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Niranjan
2026-04-07 05:05:28 +05:30
parent 7c070224bd
commit a18bba15f2
29975 changed files with 3247495 additions and 2761 deletions
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147
YakPanel-server/frontend/node_modules/cheerio/src/__fixtures__/fixtures.ts generated vendored Normal file
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import type { CheerioAPI } from '../load.js';
import { load } from '../load-parse.js';
/** A Cheerio instance with no content. */
export const cheerio: CheerioAPI = load([]);
export const fruits: string = [
'<ul id="fruits">',
'<li class="apple">Apple</li>',
'<li class="orange">Orange</li>',
'<li class="pear">Pear</li>',
'</ul>',
].join('');
export const vegetables: string = [
'<ul id="vegetables">',
'<li class="carrot">Carrot</li>',
'<li class="sweetcorn">Sweetcorn</li>',
'</ul>',
].join('');
export const divcontainers: string = [
'<div class="container">',
'<div class="inner">First</div>',
'<div class="inner">Second</div>',
'</div>',
'<div class="container">',
'<div class="inner">Third</div>',
'<div class="inner">Fourth</div>',
'</div>',
'<div id="new"><div>',
'<div>\n\n<p><em><b></b></em></p>\n\n</div>',
'</div>',
].join('');
export const chocolates: string = [
'<ul id="chocolates">',
'<li class="linth" data-highlight="Lindor" data-origin="swiss">Linth</li>',
'<li class="frey" data-taste="sweet" data-best-collection="Mahony">Frey</li>',
'<li class="cailler">Cailler</li>',
'</ul>',
].join('');
export const drinks: string = [
'<ul id="drinks">',
'<li class="beer">Beer</li>',
'<li class="juice">Juice</li>',
'<li class="milk">Milk</li>',
'<li class="water">Water</li>',
'<li class="cider">Cider</li>',
'</ul>',
].join('');
export const food: string = [
'<ul id="food">',
fruits,
vegetables,
'</ul>',
].join('');
export const eleven = `
<html>
<body>
<ul>
<li>One</li>
<li>Two</li>
<li class="blue sel">Three</li>
<li class="red">Four</li>
</ul>
<ul>
<li class="red">Five</li>
<li>Six</li>
<li class="blue">Seven</li>
</ul>
<ul>
<li>Eight</li>
<li class="red sel">Nine</li>
<li>Ten</li>
<li class="sel">Eleven</li>
</ul>
</body>
</html>
`;
export const unwrapspans: string = [
'<div id=unwrap style="display: none;">',
'<div id=unwrap1><span class=unwrap>a</span><span class=unwrap>b</span></div>',
'<div id=unwrap2><span class=unwrap>c</span><span class=unwrap>d</span></div>',
'<div id=unwrap3><b><span class="unwrap unwrap3">e</span></b><b><span class="unwrap unwrap3">f</span></b></div>',
'</div>',
].join('');
export const inputs: string = [
'<select id="one"><option value="option_not_selected">Option not selected</option><option value="option_selected" selected>Option selected</option></select>',
'<select id="one-valueless"><option>Option not selected</option><option selected>Option selected</option></select>',
'<select id="one-html-entity"><option>Option not selected</option><option selected>Option &lt;selected&gt;</option></select>',
'<select id="one-nested"><option>Option not selected</option><option selected>Option <span>selected</span></option></select>',
'<input type="text" value="input_text" />',
'<input type="checkbox" name="checkbox_off" value="off" /><input type="checkbox" name="checkbox_on" value="on" checked />',
'<input type="checkbox" name="checkbox_valueless" />',
'<input type="radio" value="off" name="radio" /><input type="radio" name="radio" value="on" checked />',
'<input type="radio" value="off" name="radio[brackets]" /><input type="radio" name="radio[brackets]" value="on" checked />',
'<input type="radio" name="radio_valueless" />',
'<select id="multi" multiple><option value="1">1</option><option value="2" selected>2</option><option value="3" selected>3</option><option value="4">4</option></select>',
'<select id="multi-valueless" multiple><option>1</option><option selected>2</option><option selected>3</option><option>4</option></select>',
].join('');
export const text: string = [
'<p>Apples, <b>oranges</b> and pears.</p>',
'<p>Carrots and <!-- sweetcorn --></p>',
].join('');
export const forms: string = [
'<form id="simple"><input type="text" name="fruit" value="Apple" /></form>',
'<form id="nested"><div><input type="text" name="fruit" value="Apple" /></div><input type="text" name="vegetable" value="Carrot" /></form>',
'<form id="disabled"><input type="text" name="fruit" value="Apple" disabled /></form>',
'<form id="submit"><input type="text" name="fruit" value="Apple" /><input type="submit" name="submit" value="Submit" /></form>',
'<form id="select"><select name="fruit"><option value="Apple">Apple</option><option value="Orange" selected>Orange</option></select></form>',
'<form id="unnamed"><input type="text" name="fruit" value="Apple" /><input type="text" value="Carrot" /></form>',
'<form id="multiple"><select name="fruit" multiple><option value="Apple" selected>Apple</option><option value="Orange" selected>Orange</option><option value="Carrot">Carrot</option></select></form>',
'<form id="textarea"><textarea name="fruits">Apple\nOrange</textarea></form>',
'<form id="spaces"><input type="text" name="fruit" value="Blood orange" /></form>',
].join('');
export const noscript: string = [
'</body>',
'<noscript>',
'<!-- anchor linking to external file -->',
'<a href="https://github.com/cheeriojs/cheerio">External Link</a>',
'</noscript>',
'<p>Rocks!</p>',
'</body>',
].join('');
export const script: string = [
'<div>',
'<a>A</a>',
'<script>',
' var foo = "bar";',
'</script>',
'<b>B</b>',
'</div>',
].join('');
export const mixedText = '<a>1</a>TEXT<b>2</b>';

266
YakPanel-server/frontend/node_modules/cheerio/src/__tests__/deprecated.spec.ts generated vendored Normal file
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/**
* This file includes tests for deprecated APIs. The methods are expected to be
* removed in the next major release of Cheerio, but their stability should be
* maintained until that time.
*/
import { describe, it, expect, beforeEach } from 'vitest';
import { cheerio, food, fruits } from '../__fixtures__/fixtures.js';
describe('deprecated APIs', () => {
describe('cheerio module', () => {
describe('.parseHTML', () => {
it('(html) : should preserve content', () => {
const html = '<div>test div</div>';
expect(cheerio(cheerio.parseHTML(html)[0]).html()).toBe('test div');
});
});
describe('.merge', () => {
it('should be a function', () => {
expect(typeof cheerio.merge).toBe('function');
});
// #1674 - merge, wont accept Cheerio object
it('should be a able merge array and cheerio object', () => {
const ret = cheerio.merge<unknown>(cheerio(), ['elem1', 'elem2']);
expect(typeof ret).toBe('object');
expect(ret).toHaveLength(2);
});
it('(arraylike, arraylike) : should modify the first array, but not the second', () => {
const arr1 = [1, 2, 3];
const arr2 = [4, 5, 6];
const ret = cheerio.merge(arr1, arr2);
expect(typeof ret).toBe('object');
expect(Array.isArray(ret)).toBe(true);
expect(ret).toBe(arr1);
expect(arr1).toHaveLength(6);
expect(arr2).toHaveLength(3);
});
it('(arraylike, arraylike) : should handle objects that arent arrays, but are arraylike', () => {
const arr1: ArrayLike<string> = {
length: 3,
0: 'a',
1: 'b',
2: 'c',
};
const arr2 = {
length: 3,
0: 'd',
1: 'e',
2: 'f',
};
cheerio.merge(arr1, arr2);
expect(arr1).toHaveLength(6);
expect(arr1[3]).toBe('d');
expect(arr1[4]).toBe('e');
expect(arr1[5]).toBe('f');
expect(arr2).toHaveLength(3);
});
it('(?, ?) : should gracefully reject invalid inputs', () => {
expect(cheerio.merge([4], 3 as never)).toBeUndefined();
expect(cheerio.merge({} as never, {} as never)).toBeUndefined();
expect(cheerio.merge([], {} as never)).toBeUndefined();
expect(cheerio.merge({} as never, [])).toBeUndefined();
const fakeArray = { length: 3, 0: 'a', 1: 'b', 3: 'd' };
expect(cheerio.merge(fakeArray, [])).toBeUndefined();
expect(cheerio.merge([], fakeArray)).toBeUndefined();
expect(cheerio.merge({ length: '7' } as never, [])).toBeUndefined();
expect(cheerio.merge({ length: -1 }, [])).toBeUndefined();
});
it('(?, ?) : should no-op on invalid inputs', () => {
const fakeArray1 = { length: 3, 0: 'a', 1: 'b', 3: 'd' };
cheerio.merge(fakeArray1, []);
expect(fakeArray1).toHaveLength(3);
expect(fakeArray1[0]).toBe('a');
expect(fakeArray1[1]).toBe('b');
expect(fakeArray1[3]).toBe('d');
cheerio.merge([], fakeArray1);
expect(fakeArray1).toHaveLength(3);
expect(fakeArray1[0]).toBe('a');
expect(fakeArray1[1]).toBe('b');
expect(fakeArray1[3]).toBe('d');
});
});
describe('.contains', () => {
let $: typeof cheerio;
beforeEach(() => {
$ = cheerio.load(food);
});
it('(container, contained) : should correctly detect the provided element', () => {
const $food = $('#food');
const $fruits = $('#fruits');
const $apple = $('.apple');
expect(cheerio.contains($food[0], $fruits[0])).toBe(true);
expect(cheerio.contains($food[0], $apple[0])).toBe(true);
});
it('(container, other) : should not detect elements that are not contained', () => {
const $fruits = $('#fruits');
const $vegetables = $('#vegetables');
const $apple = $('.apple');
expect(cheerio.contains($vegetables[0], $apple[0])).toBe(false);
expect(cheerio.contains($fruits[0], $vegetables[0])).toBe(false);
expect(cheerio.contains($vegetables[0], $fruits[0])).toBe(false);
expect(cheerio.contains($fruits[0], $fruits[0])).toBe(false);
expect(cheerio.contains($vegetables[0], $vegetables[0])).toBe(false);
});
});
describe('.root', () => {
it('returns an empty selection', () => {
const $empty = cheerio.root();
expect($empty).toHaveLength(1);
expect($empty[0].children).toHaveLength(0);
});
});
});
describe('Cheerio function', () => {
it('.load', () => {
const $1 = cheerio.load(fruits);
const $2 = $1.load('<div><p>Some <a>text</a>.</p></div>');
expect($2('a')).toHaveLength(1);
});
/**
* The `.html` static method defined on the "loaded" Cheerio factory
* function is deprecated.
*
* In order to promote consistency with the jQuery library, users are
* encouraged to instead use the instance method of the same name.
*
* @example
*
* ```js
* const $ = cheerio.load('<h1>Hello, <span>world</span>.</h1>');
*
* $('h1').html();
* //=> '<h1>Hello, <span>world</span>.'
* ```
*
* @example <caption>To render the markup of an entire document, invoke the
* `html` function exported by the Cheerio module with a "root"
* selection.</caption>
*
* ```js
* cheerio.html($.root());
* //=> '<html><head></head><body><h1>Hello, <span>world</span>.</h1></body></html>'
* ```
*/
describe('.html - deprecated API', () => {
it('() : of empty cheerio object should return null', () => {
/*
* Note: the direct invocation of the Cheerio constructor function is
* also deprecated.
*/
const $ = cheerio();
expect($.html()).toBe(null);
});
it('(selector) : should return the outerHTML of the selected element', () => {
const $ = cheerio.load(fruits);
expect($.html('.pear')).toBe('<li class="pear">Pear</li>');
});
});
/**
* The `.xml` static method defined on the "loaded" Cheerio factory function
* is deprecated. Users are encouraged to instead use the `xml` function
* exported by the Cheerio module.
*
* @example
*
* ```js
* cheerio.xml($.root());
* ```
*/
describe('.xml - deprecated API', () => {
it('() : renders XML', () => {
const $ = cheerio.load('<foo></foo>', { xmlMode: true });
expect($.xml()).toBe('<foo/>');
});
});
/**
* The `.text` static method defined on the "loaded" Cheerio factory
* function is deprecated.
*
* In order to promote consistency with the jQuery library, users are
* encouraged to instead use the instance method of the same name.
*
* @example
*
* ```js
* const $ = cheerio.load('<h1>Hello, <span>world</span>.</h1>');
* $('h1').text();
* //=> 'Hello, world.'
* ```
*
* @example <caption>To render the text content of an entire document,
* invoke the `text` function exported by the Cheerio module with a "root"
* selection. </caption>
*
* ```js
* cheerio.text($.root());
* //=> 'Hello, world.'
* ```
*/
describe('.text - deprecated API', () => {
it('(cheerio object) : should return the text contents of the specified elements', () => {
const $ = cheerio.load('<a>This is <em>content</em>.</a>');
expect($.text($('a'))).toBe('This is content.');
});
it('(cheerio object) : should omit comment nodes', () => {
const $ = cheerio.load(
'<a>This is <!-- a comment --> not a comment.</a>',
);
expect($.text($('a'))).toBe('This is not a comment.');
});
it('(cheerio object) : should include text contents of children recursively', () => {
const $ = cheerio.load(
'<a>This is <div>a child with <span>another child and <!-- a comment --> not a comment</span> followed by <em>one last child</em> and some final</div> text.</a>',
);
expect($.text($('a'))).toBe(
'This is a child with another child and not a comment followed by one last child and some final text.',
);
});
it('() : should return the rendered text content of the root', () => {
const $ = cheerio.load(
'<a>This is <div>a child with <span>another child and <!-- a comment --> not a comment</span> followed by <em>one last child</em> and some final</div> text.</a>',
);
expect($.text()).toBe(
'This is a child with another child and not a comment followed by one last child and some final text.',
);
});
it('(cheerio object) : should not omit script tags', () => {
const $ = cheerio.load('<script>console.log("test")</script>');
expect($.text()).toBe('console.log("test")');
});
it('(cheerio object) : should omit style tags', () => {
const $ = cheerio.load(
'<style type="text/css">.cf-hidden { display: none; }</style>',
);
expect($.text()).toBe('.cf-hidden { display: none; }');
});
});
});
});

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YakPanel-server/frontend/node_modules/cheerio/src/__tests__/xml.spec.ts generated vendored Normal file
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import { describe, it, expect } from 'vitest';
import { load } from '../index.js';
import type { CheerioOptions } from '../options.js';
function xml(str: string, options?: CheerioOptions) {
options = { xml: true, ...options };
const $ = load(str, options);
return $.xml();
}
function dom(str: string, options?: CheerioOptions) {
const $ = load('', options);
return $(str).html();
}
describe('render', () => {
describe('(xml)', () => {
it('should render <media:thumbnail /> tags correctly', () => {
const str =
'<media:thumbnail url="http://www.foo.com/keyframe.jpg" width="75" height="50" time="12:05:01.123" />';
expect(xml(str)).toBe(
'<media:thumbnail url="http://www.foo.com/keyframe.jpg" width="75" height="50" time="12:05:01.123"/>',
);
});
it('should render <link /> tags (RSS) correctly', () => {
const str = '<link>http://www.github.com/</link>';
expect(xml(str)).toBe('<link>http://www.github.com/</link>');
});
it('should escape entities', () => {
const str = '<tag attr="foo &amp; bar"/>';
expect(xml(str)).toBe(str);
});
it('should render HTML as XML', () => {
const $ = load('<foo></foo>', null, false);
expect($.xml()).toBe('<foo/>');
});
});
describe('(dom)', () => {
it('should not keep camelCase for new nodes', () => {
const str = '<g><someElem someAttribute="something">hello</someElem></g>';
expect(dom(str, { xml: false })).toBe(
'<someelem someattribute="something">hello</someelem>',
);
});
it('should keep camelCase for new nodes', () => {
const str = '<g><someElem someAttribute="something">hello</someElem></g>';
expect(dom(str, { xml: true })).toBe(
'<someElem someAttribute="something">hello</someElem>',
);
});
it('should maintain the parsing options of distinct contexts independently', () => {
const str = '<g><someElem someAttribute="something">hello</someElem></g>';
const $ = load('', { xml: false });
expect($(str).html()).toBe(
'<someelem someattribute="something">hello</someelem>',
);
});
});
});

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YakPanel-server/frontend/node_modules/cheerio/src/api/attributes.spec.ts generated vendored Normal file
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YakPanel-server/frontend/node_modules/cheerio/src/api/attributes.ts generated vendored Normal file
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YakPanel-server/frontend/node_modules/cheerio/src/api/css.spec.ts generated vendored Normal file
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import { describe, it, expect, beforeEach } from 'vitest';
import { load, type Cheerio } from '../index.js';
import type { Element } from 'domhandler';
import { cheerio, mixedText } from '../__fixtures__/fixtures.js';
describe('$(...)', () => {
describe('.css', () => {
it('(prop): should return a css property value', () => {
const el = cheerio('<li style="hai: there">');
expect(el.css('hai')).toBe('there');
});
it('([prop1, prop2]): should return the specified property values as an object', () => {
const el = cheerio(
'<li style="margin: 1px; padding: 2px; color: blue;">',
);
expect(el.css(['margin', 'color'])).toStrictEqual({
margin: '1px',
color: 'blue',
});
});
it('(prop, val): should set a css property', () => {
const el = cheerio('<li style="margin: 0;"></li><li></li>');
el.css('color', 'red');
expect(el.attr('style')).toBe('margin: 0; color: red;');
expect(el.eq(1).attr('style')).toBe('color: red;');
});
it('(prop, val) : should skip text nodes', () => {
const $text = load(mixedText);
const $body = $text($text('body')[0].children);
$body.css('test', 'value');
expect($text('body').html()).toBe(
'<a style="test: value;">1</a>TEXT<b style="test: value;">2</b>',
);
});
it('(prop, ""): should unset a css property', () => {
const el = cheerio('<li style="padding: 1px; margin: 0;">');
el.css('padding', '');
expect(el.attr('style')).toBe('margin: 0;');
});
it('(any, val): should ignore unsupported prop types', () => {
const el = cheerio('<li style="padding: 1px;">');
el.css(123 as never, 'test');
expect(el.attr('style')).toBe('padding: 1px;');
});
it('(prop): should not mangle embedded urls', () => {
const el = cheerio(
'<li style="background-image:url(http://example.com/img.png);">',
);
expect(el.css('background-image')).toBe(
'url(http://example.com/img.png)',
);
});
it('(prop): should ignore blank properties', () => {
const el = cheerio('<li style=":#ccc;color:#aaa;">');
expect(el.css()).toStrictEqual({ color: '#aaa' });
});
it('(prop): should ignore blank values', () => {
const el = cheerio('<li style="color:;position:absolute;">');
expect(el.css()).toStrictEqual({ position: 'absolute' });
});
it('(prop): should return undefined for unmatched elements', () => {
const $ = load('<li style="color:;position:absolute;">');
expect($('ul').css('background-image')).toBeUndefined();
});
it('(prop): should return undefined for unmatched styles', () => {
const el = cheerio('<li style="color:;position:absolute;">');
expect(el.css('margin')).toBeUndefined();
});
describe('(prop, function):', () => {
let $el: Cheerio<Element>;
beforeEach(() => {
const $ = load(
'<div style="margin: 0px;"></div><div style="margin: 1px;"></div><div style="margin: 2px;">',
);
$el = $('div');
});
it('should iterate over the selection', () => {
let count = 0;
$el.css('margin', function (idx, value) {
expect(idx).toBe(count);
expect(value).toBe(`${count}px`);
expect(this).toBe($el[count]);
count++;
return undefined;
});
expect(count).toBe(3);
});
it('should set each attribute independently', () => {
const values = ['4px', '', undefined];
$el.css('margin', (idx) => values[idx]);
expect($el.eq(0).attr('style')).toBe('margin: 4px;');
expect($el.eq(1).attr('style')).toBe('');
expect($el.eq(2).attr('style')).toBe('margin: 2px;');
});
});
it('(obj): should set each key and val', () => {
const el = cheerio('<li style="padding: 0;"></li><li></li>');
el.css({ foo: 0 } as never);
expect(el.eq(0).attr('style')).toBe('padding: 0; foo: 0;');
expect(el.eq(1).attr('style')).toBe('foo: 0;');
});
describe('parser', () => {
it('should allow any whitespace between declarations', () => {
const el = cheerio('<li style="one \t:\n 0;\n two \f\r:\v 1">');
expect(el.css(['one', 'two', 'five'])).toStrictEqual({
one: '0',
two: '1',
});
});
it('should add malformed values to previous field (#1134)', () => {
const el = cheerio(
'<button style="background-image: url(data:image/png;base64,iVBORw0KGgo)"></button>',
);
expect(el.css('background-image')).toStrictEqual(
'url(data:image/png;base64,iVBORw0KGgo)',
);
});
});
});
});

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YakPanel-server/frontend/node_modules/cheerio/src/api/css.ts generated vendored Normal file
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import { domEach } from '../utils.js';
import { isTag, type Element, type AnyNode } from 'domhandler';
import type { Cheerio } from '../cheerio.js';
/**
* Get the value of a style property for the first element in the set of matched
* elements.
*
* @category CSS
* @param names - Optionally the names of the properties of interest.
* @returns A map of all of the style properties.
* @see {@link https://api.jquery.com/css/}
*/
export function css<T extends AnyNode>(
this: Cheerio<T>,
names?: string[],
): Record<string, string> | undefined;
/**
* Get the value of a style property for the first element in the set of matched
* elements.
*
* @category CSS
* @param name - The name of the property.
* @returns The property value for the given name.
* @see {@link https://api.jquery.com/css/}
*/
export function css<T extends AnyNode>(
this: Cheerio<T>,
name: string,
): string | undefined;
/**
* Set one CSS property for every matched element.
*
* @category CSS
* @param prop - The name of the property.
* @param val - The new value.
* @returns The instance itself.
* @see {@link https://api.jquery.com/css/}
*/
export function css<T extends AnyNode>(
this: Cheerio<T>,
prop: string,
val:
| string
| ((this: Element, i: number, style: string) => string | undefined),
): Cheerio<T>;
/**
* Set multiple CSS properties for every matched element.
*
* @category CSS
* @param map - A map of property names and values.
* @returns The instance itself.
* @see {@link https://api.jquery.com/css/}
*/
export function css<T extends AnyNode>(
this: Cheerio<T>,
map: Record<string, string>,
): Cheerio<T>;
/**
* Set multiple CSS properties for every matched element.
*
* @category CSS
* @param prop - The names of the properties.
* @param val - The new values.
* @returns The instance itself.
* @see {@link https://api.jquery.com/css/}
*/
export function css<T extends AnyNode>(
this: Cheerio<T>,
prop?: string | string[] | Record<string, string>,
val?:
| string
| ((this: Element, i: number, style: string) => string | undefined),
): Cheerio<T> | Record<string, string> | string | undefined {
if (
(prop != null && val != null) ||
// When `prop` is a "plain" object
(typeof prop === 'object' && !Array.isArray(prop))
) {
return domEach(this, (el, i) => {
if (isTag(el)) {
// `prop` can't be an array here anymore.
setCss(el, prop as string, val, i);
}
});
}
if (this.length === 0) {
return undefined;
}
return getCss(this[0], prop as string);
}
/**
* Set styles of all elements.
*
* @private
* @param el - Element to set style of.
* @param prop - Name of property.
* @param value - Value to set property to.
* @param idx - Optional index within the selection.
*/
function setCss(
el: Element,
prop: string | Record<string, string>,
value:
| string
| ((this: Element, i: number, style: string) => string | undefined)
| undefined,
idx: number,
) {
if (typeof prop === 'string') {
const styles = getCss(el);
const val =
typeof value === 'function' ? value.call(el, idx, styles[prop]) : value;
if (val === '') {
delete styles[prop];
} else if (val != null) {
styles[prop] = val;
}
el.attribs['style'] = stringify(styles);
} else if (typeof prop === 'object') {
const keys = Object.keys(prop);
for (let i = 0; i < keys.length; i++) {
const k = keys[i];
setCss(el, k, prop[k], i);
}
}
}
/**
* Get the parsed styles of the first element.
*
* @private
* @category CSS
* @param el - Element to get styles from.
* @param props - Optionally the names of the properties of interest.
* @returns The parsed styles.
*/
function getCss(el: AnyNode, props?: string[]): Record<string, string>;
/**
* Get a property from the parsed styles of the first element.
*
* @private
* @category CSS
* @param el - Element to get styles from.
* @param prop - Name of the prop.
* @returns The value of the property.
*/
function getCss(el: AnyNode, prop: string): string | undefined;
function getCss(
el: AnyNode,
prop?: string | string[],
): Record<string, string> | string | undefined {
if (!el || !isTag(el)) return;
const styles = parse(el.attribs['style']);
if (typeof prop === 'string') {
return styles[prop];
}
if (Array.isArray(prop)) {
const newStyles: Record<string, string> = {};
for (const item of prop) {
if (styles[item] != null) {
newStyles[item] = styles[item];
}
}
return newStyles;
}
return styles;
}
/**
* Stringify `obj` to styles.
*
* @private
* @category CSS
* @param obj - Object to stringify.
* @returns The serialized styles.
*/
function stringify(obj: Record<string, string>): string {
return Object.keys(obj).reduce(
(str, prop) => `${str}${str ? ' ' : ''}${prop}: ${obj[prop]};`,
'',
);
}
/**
* Parse `styles`.
*
* @private
* @category CSS
* @param styles - Styles to be parsed.
* @returns The parsed styles.
*/
function parse(styles: string): Record<string, string> {
styles = (styles || '').trim();
if (!styles) return {};
const obj: Record<string, string> = {};
let key: string | undefined;
for (const str of styles.split(';')) {
const n = str.indexOf(':');
// If there is no :, or if it is the first/last character, add to the previous item's value
if (n < 1 || n === str.length - 1) {
const trimmed = str.trimEnd();
if (trimmed.length > 0 && key !== undefined) {
obj[key] += `;${trimmed}`;
}
} else {
key = str.slice(0, n).trim();
obj[key] = str.slice(n + 1).trim();
}
}
return obj;
}

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import { describe, it, expect } from 'vitest';
import * as fixtures from '../__fixtures__/fixtures.js';
import { load } from '../load-parse.js';
interface RedSelObject {
red: string | undefined;
sel: string | undefined;
}
interface RedSelMultipleObject {
red: string[];
sel: string[];
}
describe('$.extract', () => {
it('() : should extract values for selectors', () => {
const $ = load(fixtures.eleven);
const $root = load(fixtures.eleven).root();
// An empty object should lead to an empty extraction.
// $ExpectType ExtractedMap<{}>
const emptyExtract = $root.extract({});
expect(emptyExtract).toStrictEqual({});
// Non-existent values should be undefined.
// $ExpectType ExtractedMap<{ foo: string; }>
const simpleExtract = $root.extract({ foo: 'bar' });
expect(simpleExtract).toStrictEqual({ foo: undefined });
// Existing values should be extracted.
expect<{ red: string | undefined }>(
$root.extract({ red: '.red' }),
).toStrictEqual({
red: 'Four',
});
expect<RedSelObject>(
$root.extract({ red: '.red', sel: '.sel' }),
).toStrictEqual({
red: 'Four',
sel: 'Three',
});
// Descriptors for extractions should be supported
expect<RedSelObject>(
$root.extract({
red: { selector: '.red' },
sel: { selector: '.sel' },
}),
).toStrictEqual({ red: 'Four', sel: 'Three' });
// Should support extraction of multiple values.
// $ExpectType ExtractedMap<{ red: [string]; sel: [string]; }>
const multipleExtract = $root.extract({
red: ['.red'],
sel: ['.sel'],
});
expect<RedSelMultipleObject>(multipleExtract).toStrictEqual({
red: ['Four', 'Five', 'Nine'],
sel: ['Three', 'Nine', 'Eleven'],
});
// Should support custom `prop`s.
expect<RedSelObject>(
$root.extract({
red: { selector: '.red', value: 'outerHTML' },
sel: { selector: '.sel', value: 'tagName' },
}),
).toStrictEqual({ red: '<li class="red">Four</li>', sel: 'LI' });
// Should support custom `prop`s for multiple values.
expect<{ red: string[] }>(
$root.extract({
red: [{ selector: '.red', value: 'outerHTML' }],
}),
).toStrictEqual({
red: [
'<li class="red">Four</li>',
'<li class="red">Five</li>',
'<li class="red sel">Nine</li>',
],
});
// Should support custom extraction functions.
expect<{ red: string | undefined }>(
$root.extract({
red: {
selector: '.red',
value: (el, key) => `${key}=${$(el).text()}`,
},
}),
).toStrictEqual({ red: 'red=Four' });
// Should support custom extraction functions for multiple values.
expect<{ red: string[] }>(
$root.extract({
red: [
{
selector: '.red',
value: (el, key) => `${key}=${$(el).text()}`,
},
],
}),
).toStrictEqual({ red: ['red=Four', 'red=Five', 'red=Nine'] });
// Should support extraction objects
// $ExpectType ExtractedMap<{ section: { selector: string; value: { red: string; sel: string; }; }; }>
const subExtractObject = $root.extract({
section: {
selector: 'ul:nth(1)',
value: {
red: '.red',
sel: '.blue',
},
},
});
expect<{ section: RedSelObject | undefined }>(
subExtractObject,
).toStrictEqual({
section: {
red: 'Five',
sel: 'Seven',
},
});
});
});

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import type { AnyNode, Element } from 'domhandler';
import type { Cheerio } from '../cheerio.js';
import type { prop } from './attributes.js';
type ExtractDescriptorFn = (
el: Element,
key: string,
// TODO: This could be typed with ExtractedMap
obj: Record<string, unknown>,
) => unknown;
interface ExtractDescriptor {
selector: string;
value?: string | ExtractDescriptorFn | ExtractMap;
}
type ExtractValue = string | ExtractDescriptor | [string | ExtractDescriptor];
export interface ExtractMap {
[key: string]: ExtractValue;
}
type ExtractedValue<V extends ExtractValue, M extends ExtractMap> = V extends [
string | ExtractDescriptor,
]
? NonNullable<ExtractedValue<V[0], M>>[]
: V extends string
? string | undefined
: V extends ExtractDescriptor
? V['value'] extends ExtractMap
? ExtractedMap<V['value']> | undefined
: V['value'] extends ExtractDescriptorFn
? ReturnType<V['value']> | undefined
: ReturnType<typeof prop> | undefined
: never;
export type ExtractedMap<M extends ExtractMap> = {
[key in keyof M]: ExtractedValue<M[key], M>;
};
function getExtractDescr(
descr: string | ExtractDescriptor,
): Required<ExtractDescriptor> {
if (typeof descr === 'string') {
return { selector: descr, value: 'textContent' };
}
return {
selector: descr.selector,
value: descr.value ?? 'textContent',
};
}
/**
* Extract multiple values from a document, and store them in an object.
*
* @param map - An object containing key-value pairs. The keys are the names of
* the properties to be created on the object, and the values are the
* selectors to be used to extract the values.
* @returns An object containing the extracted values.
*/
export function extract<M extends ExtractMap, T extends AnyNode>(
this: Cheerio<T>,
map: M,
): ExtractedMap<M> {
const ret: Record<string, unknown> = {};
for (const key in map) {
const descr = map[key];
const isArray = Array.isArray(descr);
const { selector, value } = getExtractDescr(isArray ? descr[0] : descr);
const fn: ExtractDescriptorFn =
typeof value === 'function'
? value
: typeof value === 'string'
? (el: Element) => this._make(el).prop(value)
: (el: Element) => this._make(el).extract(value);
if (isArray) {
ret[key] = this._findBySelector(selector, Number.POSITIVE_INFINITY)
.map((_, el) => fn(el, key, ret))
.get();
} else {
const $ = this._findBySelector(selector, 1);
ret[key] = $.length > 0 ? fn($[0], key, ret) : undefined;
}
}
return ret as ExtractedMap<M>;
}

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import { describe, it, expect, beforeEach } from 'vitest';
import { type CheerioAPI } from '../index.js';
import { cheerio, forms } from '../__fixtures__/fixtures.js';
describe('$(...)', () => {
let $: CheerioAPI;
beforeEach(() => {
$ = cheerio.load(forms);
});
describe('.serializeArray', () => {
it('() : should get form controls', () => {
expect($('form#simple').serializeArray()).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
]);
});
it('() : should get nested form controls', () => {
expect($('form#nested').serializeArray()).toHaveLength(2);
const data = $('form#nested').serializeArray();
data.sort((a, b) => (a.value > b.value ? 1 : -1));
expect(data).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
{
name: 'vegetable',
value: 'Carrot',
},
]);
});
it('() : should not get disabled form controls', () => {
expect($('form#disabled').serializeArray()).toStrictEqual([]);
});
it('() : should not get form controls with the wrong type', () => {
expect($('form#submit').serializeArray()).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
]);
});
it('() : should get selected options', () => {
expect($('form#select').serializeArray()).toStrictEqual([
{
name: 'fruit',
value: 'Orange',
},
]);
});
it('() : should not get unnamed form controls', () => {
expect($('form#unnamed').serializeArray()).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
]);
});
it('() : should get multiple selected options', () => {
expect($('form#multiple').serializeArray()).toHaveLength(2);
const data = $('form#multiple').serializeArray();
data.sort((a, b) => (a.value > b.value ? 1 : -1));
expect(data).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
{
name: 'fruit',
value: 'Orange',
},
]);
});
it('() : should get individually selected elements', () => {
const data = $('form#nested input').serializeArray();
data.sort((a, b) => (a.value > b.value ? 1 : -1));
expect(data).toStrictEqual([
{
name: 'fruit',
value: 'Apple',
},
{
name: 'vegetable',
value: 'Carrot',
},
]);
});
it('() : should standardize line breaks', () => {
expect($('form#textarea').serializeArray()).toStrictEqual([
{
name: 'fruits',
value: 'Apple\r\nOrange',
},
]);
});
it("() : shouldn't serialize the empty string", () => {
expect($('<input value=pineapple>').serializeArray()).toStrictEqual([]);
expect(
$('<input name="" value=pineapple>').serializeArray(),
).toStrictEqual([]);
expect(
$('<input name="fruit" value=pineapple>').serializeArray(),
).toStrictEqual([
{
name: 'fruit',
value: 'pineapple',
},
]);
});
it('() : should serialize inputs without value attributes', () => {
expect($('<input name="fruit">').serializeArray()).toStrictEqual([
{
name: 'fruit',
value: '',
},
]);
});
});
describe('.serialize', () => {
it('() : should get form controls', () => {
expect($('form#simple').serialize()).toBe('fruit=Apple');
});
it('() : should get nested form controls', () => {
expect($('form#nested').serialize()).toBe('fruit=Apple&vegetable=Carrot');
});
it('() : should not get disabled form controls', () => {
expect($('form#disabled').serialize()).toBe('');
});
it('() : should get multiple selected options', () => {
expect($('form#multiple').serialize()).toBe('fruit=Apple&fruit=Orange');
});
it("() : should encode spaces as +'s", () => {
expect($('form#spaces').serialize()).toBe('fruit=Blood+orange');
});
});
});

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import { isTag, type AnyNode } from 'domhandler';
import type { Cheerio } from '../cheerio.js';
/*
* https://github.com/jquery/jquery/blob/2.1.3/src/manipulation/var/rcheckableType.js
* https://github.com/jquery/jquery/blob/2.1.3/src/serialize.js
*/
const submittableSelector = 'input,select,textarea,keygen';
const r20 = /%20/g;
const rCRLF = /\r?\n/g;
/**
* Encode a set of form elements as a string for submission.
*
* @category Forms
* @example
*
* ```js
* $('<form><input name="foo" value="bar" /></form>').serialize();
* //=> 'foo=bar'
* ```
*
* @returns The serialized form.
* @see {@link https://api.jquery.com/serialize/}
*/
export function serialize<T extends AnyNode>(this: Cheerio<T>): string {
// Convert form elements into name/value objects
const arr = this.serializeArray();
// Serialize each element into a key/value string
const retArr = arr.map(
(data) =>
`${encodeURIComponent(data.name)}=${encodeURIComponent(data.value)}`,
);
// Return the resulting serialization
return retArr.join('&').replace(r20, '+');
}
/**
* Encode a set of form elements as an array of names and values.
*
* @category Forms
* @example
*
* ```js
* $('<form><input name="foo" value="bar" /></form>').serializeArray();
* //=> [ { name: 'foo', value: 'bar' } ]
* ```
*
* @returns The serialized form.
* @see {@link https://api.jquery.com/serializeArray/}
*/
export function serializeArray<T extends AnyNode>(
this: Cheerio<T>,
): {
name: string;
value: string;
}[] {
// Resolve all form elements from either forms or collections of form elements
return this.map((_, elem) => {
const $elem = this._make(elem);
if (isTag(elem) && elem.name === 'form') {
return $elem.find(submittableSelector).toArray();
}
return $elem.filter(submittableSelector).toArray();
})
.filter(
// Verify elements have a name (`attr.name`) and are not disabled (`:enabled`)
'[name!=""]:enabled' +
// And cannot be clicked (`[type=submit]`) or are used in `x-www-form-urlencoded` (`[type=file]`)
':not(:submit, :button, :image, :reset, :file)' +
// And are either checked/don't have a checkable state
':matches([checked], :not(:checkbox, :radio))',
// Convert each of the elements to its value(s)
)
.map<
AnyNode,
{
name: string;
value: string;
}
>((_, elem) => {
const $elem = this._make(elem);
const name = $elem.attr('name') as string; // We have filtered for elements with a name before.
// If there is no value set (e.g. `undefined`, `null`), then default value to empty
const value = $elem.val() ?? '';
// If we have an array of values (e.g. `<select multiple>`), return an array of key/value pairs
if (Array.isArray(value)) {
return value.map((val) =>
/*
* We trim replace any line endings (e.g. `\r` or `\r\n` with `\r\n`) to guarantee consistency across platforms
* These can occur inside of `<textarea>'s`
*/
({ name, value: val.replace(rCRLF, '\r\n') }),
);
}
// Otherwise (e.g. `<input type="text">`, return only one key/value pair
return { name, value: value.replace(rCRLF, '\r\n') };
})
.toArray();
}

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YakPanel-server/frontend/node_modules/cheerio/src/cheerio.spec.ts generated vendored Normal file
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import { describe, it, expect } from 'vitest';
import { parseDOM } from 'htmlparser2';
import { type Cheerio } from './index.js';
import { cheerio, fruits, food, noscript } from './__fixtures__/fixtures.js';
import type { Element } from 'domhandler';
declare module './index.js' {
interface Cheerio<T> {
myPlugin(...args: unknown[]): {
context: Cheerio<T>;
args: unknown[];
};
foo(): void;
}
}
function testAppleSelect($apple: ArrayLike<Element>) {
expect($apple).toHaveLength(1);
const apple = $apple[0];
expect(apple.parentNode).toHaveProperty('tagName', 'ul');
expect(apple.prev).toBe(null);
expect((apple.next as Element).attribs).toHaveProperty('class', 'orange');
expect(apple.childNodes).toHaveLength(1);
expect(apple.childNodes[0]).toHaveProperty('data', 'Apple');
}
describe('cheerio', () => {
it('cheerio(null) should be empty', () => {
expect(cheerio(null as never)).toHaveLength(0);
});
it('cheerio(undefined) should be empty', () => {
expect(cheerio(undefined)).toHaveLength(0);
});
it("cheerio('') should be empty", () => {
expect(cheerio('')).toHaveLength(0);
});
it('cheerio(selector) with no context or root should be empty', () => {
expect(cheerio('.h2')).toHaveLength(0);
expect(cheerio('#fruits')).toHaveLength(0);
});
it('cheerio(node) : should override previously-loaded nodes', () => {
const $ = cheerio.load('<div><span></span></div>');
const spanNode = $('span')[0];
const $span = $(spanNode);
expect($span[0]).toBe(spanNode);
});
it('should be able to create html without a root or context', () => {
const $h2 = cheerio('<h2>');
expect($h2).not.toHaveLength(0);
expect($h2).toHaveLength(1);
expect($h2[0]).toHaveProperty('tagName', 'h2');
});
it('should be able to create complicated html', () => {
const $script = cheerio(
'<script src="script.js" type="text/javascript"></script>',
) as Cheerio<Element>;
expect($script).not.toHaveLength(0);
expect($script).toHaveLength(1);
expect($script[0].attribs).toHaveProperty('src', 'script.js');
expect($script[0].attribs).toHaveProperty('type', 'text/javascript');
expect($script[0].childNodes).toHaveLength(0);
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to select .apple with only a context', () => {
const $apple = cheerio('.apple', fruits);
testAppleSelect($apple);
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to select .apple with a node as context', () => {
const $apple = cheerio('.apple', cheerio(fruits)[0]);
testAppleSelect($apple);
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to select .apple with only a root', () => {
const $apple = cheerio('.apple', null, fruits);
testAppleSelect($apple);
});
it('should be able to select an id', () => {
const $fruits = cheerio('#fruits', null, fruits);
expect($fruits).toHaveLength(1);
expect($fruits[0].attribs).toHaveProperty('id', 'fruits');
});
it('should be able to select a tag', () => {
const $ul = cheerio('ul', fruits);
expect($ul).toHaveLength(1);
expect($ul[0].tagName).toBe('ul');
});
it('should accept a node reference as a context', () => {
const $elems = cheerio('<div><span></span></div>');
expect(cheerio('span', $elems[0])).toHaveLength(1);
});
it('should accept an array of node references as a context', () => {
const $elems = cheerio('<div><span></span></div>');
expect(cheerio('span', $elems.toArray())).toHaveLength(1);
});
it('should select only elements inside given context (Issue #193)', () => {
const $ = cheerio.load(food);
const $fruits = $('#fruits');
const fruitElements = $('li', $fruits);
expect(fruitElements).toHaveLength(3);
});
it('should be able to select multiple tags', () => {
const $fruits = cheerio('li', null, fruits);
expect($fruits).toHaveLength(3);
const classes = ['apple', 'orange', 'pear'];
$fruits.each((idx, $fruit) => {
expect($fruit.attribs).toHaveProperty('class', classes[idx]);
});
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to do: cheerio("#fruits .apple")', () => {
const $apple = cheerio('#fruits .apple', fruits);
testAppleSelect($apple);
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to do: cheerio("li.apple")', () => {
const $apple = cheerio('li.apple', fruits);
testAppleSelect($apple);
});
// eslint-disable-next-line vitest/expect-expect
it('should be able to select by attributes', () => {
const $apple = cheerio('li[class=apple]', fruits);
testAppleSelect($apple);
});
it('should be able to select multiple classes: cheerio(".btn.primary")', () => {
const $a = cheerio(
'.btn.primary',
'<p><a class="btn primary" href="#">Save</a></p>',
);
expect($a).toHaveLength(1);
expect($a[0].childNodes[0]).toHaveProperty('data', 'Save');
});
it('should not create a top-level node', () => {
const $elem = cheerio('* div', '<div>');
expect($elem).toHaveLength(0);
});
it('should be able to select multiple elements: cheerio(".apple, #fruits")', () => {
const $elems = cheerio('.apple, #fruits', fruits);
expect($elems).toHaveLength(2);
const $apple = $elems
.toArray()
.filter((elem) => elem.attribs['class'] === 'apple');
const $fruit = $elems
.toArray()
.find((elem) => elem.attribs['id'] === 'fruits');
testAppleSelect($apple);
expect($fruit?.attribs).toHaveProperty('id', 'fruits');
});
it('should select first element cheerio(:first)', () => {
const $elem = cheerio('li:first', fruits);
expect($elem.attr('class')).toBe('apple');
const $filtered = cheerio('li', fruits).filter(':even');
expect($filtered).toHaveLength(2);
});
it('should be able to select immediate children: cheerio("#fruits > .pear")', () => {
const $food = cheerio(food);
cheerio('.pear', $food).append('<li class="pear">Another Pear!</li>');
expect(cheerio('#fruits .pear', $food)).toHaveLength(2);
const $elem = cheerio('#fruits > .pear', $food);
expect($elem).toHaveLength(1);
expect($elem.attr('class')).toBe('pear');
});
it('should be able to select immediate children: cheerio(".apple + .pear")', () => {
expect(cheerio('.apple + li', fruits)).toHaveLength(1);
expect(cheerio('.apple + .pear', fruits)).toHaveLength(0);
const $elem = cheerio('.apple + .orange', fruits);
expect($elem).toHaveLength(1);
expect($elem.attr('class')).toBe('orange');
});
it('should be able to select immediate children: cheerio(".apple ~ .pear")', () => {
expect(cheerio('.apple ~ li', fruits)).toHaveLength(2);
expect(cheerio('.apple ~ .pear', fruits).attr('class')).toBe('pear');
});
it('should handle wildcards on attributes: cheerio("li[class*=r]")', () => {
const $elem = cheerio('li[class*=r]', fruits);
expect($elem).toHaveLength(2);
expect($elem.eq(0).attr('class')).toBe('orange');
expect($elem.eq(1).attr('class')).toBe('pear');
});
it('should handle beginning of attr selectors: cheerio("li[class^=o]")', () => {
const $elem = cheerio('li[class^=o]', fruits);
expect($elem).toHaveLength(1);
expect($elem.eq(0).attr('class')).toBe('orange');
});
it('should handle beginning of attr selectors: cheerio("li[class$=e]")', () => {
const $elem = cheerio('li[class$=e]', fruits);
expect($elem).toHaveLength(2);
expect($elem.eq(0).attr('class')).toBe('apple');
expect($elem.eq(1).attr('class')).toBe('orange');
});
it('(extended Array) should not interfere with prototype methods (issue #119)', () => {
const extended: any = [];
extended.find =
extended.children =
extended.each =
function () {
/* Ignore */
};
const $empty = cheerio(extended);
expect($empty.find).toBe(cheerio.prototype.find);
expect($empty.children).toBe(cheerio.prototype.children);
expect($empty.each).toBe(cheerio.prototype.each);
});
it('cheerio.html(null) should return a "" string', () => {
expect(cheerio.html(null as never)).toBe('');
});
it('should set html(number) as a string', () => {
const $elem = cheerio('<div>');
$elem.html(123 as never);
expect(typeof $elem.text()).toBe('string');
});
it('should set text(number) as a string', () => {
const $elem = cheerio('<div>');
$elem.text(123 as never);
expect(typeof $elem.text()).toBe('string');
});
describe('.load', () => {
it('should generate selections as proper instances', () => {
const $ = cheerio.load(fruits);
expect($('.apple')).toBeInstanceOf($);
});
// Issue #1092
it('should handle a character `)` in `:contains` selector', () => {
const result = cheerio.load('<p>)aaa</p>')(
String.raw`:contains('\)aaa')`,
);
expect(result).toHaveLength(3);
expect(result.first().prop('tagName')).toBe('HTML');
expect(result.eq(1).prop('tagName')).toBe('BODY');
expect(result.last().prop('tagName')).toBe('P');
});
it('should be able to filter down using the context', () => {
const $ = cheerio.load(fruits);
const apple = $('.apple', 'ul');
const lis = $('li', 'ul');
expect(apple).toHaveLength(1);
expect(lis).toHaveLength(3);
});
it('should preserve root content', () => {
const $ = cheerio.load(fruits);
// Root should not be overwritten
const el = $('<div></div>');
expect(Object.is(el, el._root)).toBe(false);
// Query has to have results
expect($('li', 'ul')).toHaveLength(3);
});
it('should allow loading a pre-parsed DOM', () => {
const dom = parseDOM(food);
const $ = cheerio.load(dom);
expect($('ul')).toHaveLength(3);
});
it('should allow loading a single element', () => {
const el = parseDOM(food)[0];
const $ = cheerio.load(el);
expect($('ul')).toHaveLength(3);
});
it('should render xml in html() when options.xml = true', () => {
const str = '<MixedCaseTag UPPERCASEATTRIBUTE=""></MixedCaseTag>';
const expected = '<MixedCaseTag UPPERCASEATTRIBUTE=""/>';
const $ = cheerio.load(str, { xml: true });
expect($('MixedCaseTag').get(0)).toHaveProperty(
'tagName',
'MixedCaseTag',
);
expect($.html()).toBe(expected);
});
it('should render xml in html() when options.xml = true passed to html()', () => {
const str = '<MixedCaseTag UPPERCASEATTRIBUTE=""></MixedCaseTag>';
// Since parsing done without xml flag, all tags converted to lowercase
const expectedXml =
'<html><head/><body><mixedcasetag uppercaseattribute=""/></body></html>';
const expectedNoXml =
'<html><head></head><body><mixedcasetag uppercaseattribute=""></mixedcasetag></body></html>';
const $ = cheerio.load(str);
expect($('MixedCaseTag').get(0)).toHaveProperty(
'tagName',
'mixedcasetag',
);
expect($.html()).toBe(expectedNoXml);
expect($.html({ xml: true })).toBe(expectedXml);
});
it('should respect options on the element level', () => {
const str =
'<!doctype html><html><head><title>Some test</title></head><body><footer><p>Copyright &copy; 2003-2014</p></footer></body></html>';
const expectedHtml = '<p>Copyright &copy; 2003-2014</p>';
const expectedXml = '<p>Copyright © 2003-2014</p>';
const domNotEncoded = cheerio.load(str, {
xml: { decodeEntities: false },
});
const domEncoded = cheerio.load(str);
expect(domNotEncoded('footer').html()).toBe(expectedHtml);
expect(domEncoded('footer').html()).toBe(expectedXml);
});
it('should use htmlparser2 if xml option is used', () => {
const str = '<div></div>';
const dom = cheerio.load(str, null, false);
expect(dom.html()).toBe(str);
});
it('should return a fully-qualified Function', () => {
const $ = cheerio.load('<div>');
expect($).toBeInstanceOf(Function);
});
describe('prototype extensions', () => {
it('should honor extensions defined on `prototype` property', () => {
const $ = cheerio.load('<div>');
$.prototype.myPlugin = function (...args: unknown[]) {
return {
context: this,
args,
};
};
const $div = $('div');
expect(typeof $div.myPlugin).toBe('function');
expect($div.myPlugin().context).toBe($div);
expect($div.myPlugin(1, 2, 3).args).toStrictEqual([1, 2, 3]);
});
it('should honor extensions defined on `fn` property', () => {
const $ = cheerio.load('<div>');
$.fn.myPlugin = function (...args: unknown[]) {
return {
context: this,
args,
};
};
const $div = $('div');
expect(typeof $div.myPlugin).toBe('function');
expect($div.myPlugin().context).toBe($div);
expect($div.myPlugin(1, 2, 3).args).toStrictEqual([1, 2, 3]);
});
it('should isolate extensions between loaded functions', () => {
const $a = cheerio.load('<div>');
const $b = cheerio.load('<div>');
$a.prototype.foo = function () {
/* Ignore */
};
expect($b('div').foo).toBeUndefined();
});
});
});
describe('parse5 options', () => {
// Should parse noscript tags only with false option value
it('{scriptingEnabled: ???}', () => {
// [default] `scriptingEnabled: true` - tag contains one text element
const withScripts = cheerio.load(noscript)('noscript');
expect(withScripts).toHaveLength(1);
expect(withScripts[0].children).toHaveLength(1);
expect(withScripts[0].children[0].type).toBe('text');
// `scriptingEnabled: false` - content of noscript will parsed
const noScripts = cheerio.load(noscript, { scriptingEnabled: false })(
'noscript',
);
expect(noScripts).toHaveLength(1);
expect(noScripts[0].children).toHaveLength(2);
expect(noScripts[0].children[0].type).toBe('comment');
expect(noScripts[0].children[1].type).toBe('tag');
expect(noScripts[0].children[1]).toHaveProperty('name', 'a');
// `scriptingEnabled: ???` - should acts as true
for (const val of [undefined, null, 0, '']) {
const options = { scriptingEnabled: val as never };
const result = cheerio.load(noscript, options)('noscript');
expect(result).toHaveLength(1);
expect(result[0].children).toHaveLength(1);
expect(result[0].children[0].type).toBe('text');
}
});
// Should contain location data only with truthful option value
it('{sourceCodeLocationInfo: ???}', () => {
// Location data should not be present
for (const val of [undefined, null, 0, false, '']) {
const options = { sourceCodeLocationInfo: val as never };
const result = cheerio.load(noscript, options)('noscript');
expect(result).toHaveLength(1);
expect(result[0]).not.toHaveProperty('sourceCodeLocation');
}
// Location data should be present
for (const val of [true, 1, 'test']) {
const options = { sourceCodeLocationInfo: val as never };
const result = cheerio.load(noscript, options)('noscript');
expect(result).toHaveLength(1);
expect(result[0]).toHaveProperty('sourceCodeLocation');
expect(typeof result[0].sourceCodeLocation).toBe('object');
}
});
});
});

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/* eslint-disable @typescript-eslint/no-unsafe-declaration-merging */
import type { InternalOptions } from './options.js';
import type { AnyNode, Document, ParentNode } from 'domhandler';
import type { BasicAcceptedElems } from './types.js';
import * as Attributes from './api/attributes.js';
import * as Traversing from './api/traversing.js';
import * as Manipulation from './api/manipulation.js';
import * as Css from './api/css.js';
import * as Forms from './api/forms.js';
import * as Extract from './api/extract.js';
type MethodsType = typeof Attributes &
typeof Traversing &
typeof Manipulation &
typeof Css &
typeof Forms &
typeof Extract;
/**
* The cheerio class is the central class of the library. It wraps a set of
* elements and provides an API for traversing, modifying, and interacting with
* the set.
*
* Loading a document will return the Cheerio class bound to the root element of
* the document. The class will be instantiated when querying the document (when
* calling `$('selector')`).
*
* @example This is the HTML markup we will be using in all of the API examples:
*
* ```html
* <ul id="fruits">
* <li class="apple">Apple</li>
* <li class="orange">Orange</li>
* <li class="pear">Pear</li>
* </ul>
* ```
*/
export abstract class Cheerio<T> implements ArrayLike<T> {
length = 0;
[index: number]: T;
options: InternalOptions;
/**
* The root of the document. Can be set by using the `root` argument of the
* constructor.
*
* @private
*/
_root: Cheerio<Document> | null;
/**
* Instance of cheerio. Methods are specified in the modules. Usage of this
* constructor is not recommended. Please use `$.load` instead.
*
* @private
* @param elements - The new selection.
* @param root - Sets the root node.
* @param options - Options for the instance.
*/
constructor(
elements: ArrayLike<T> | undefined,
root: Cheerio<Document> | null,
options: InternalOptions,
) {
this.options = options;
this._root = root;
if (elements) {
for (let idx = 0; idx < elements.length; idx++) {
this[idx] = elements[idx];
}
this.length = elements.length;
}
}
prevObject: Cheerio<any> | undefined;
/**
* Make a cheerio object.
*
* @private
* @param dom - The contents of the new object.
* @param context - The context of the new object.
* @returns The new cheerio object.
*/
abstract _make<T>(
dom: ArrayLike<T> | T | string,
context?: BasicAcceptedElems<AnyNode>,
): Cheerio<T>;
/**
* Parses some content.
*
* @private
* @param content - Content to parse.
* @param options - Options for parsing.
* @param isDocument - Allows parser to be switched to fragment mode.
* @returns A document containing the `content`.
*/
abstract _parse(
content: string | Document | AnyNode | AnyNode[] | Buffer,
options: InternalOptions,
isDocument: boolean,
context: ParentNode | null,
): Document;
/**
* Render an element or a set of elements.
*
* @private
* @param dom - DOM to render.
* @returns The rendered DOM.
*/
abstract _render(dom: AnyNode | ArrayLike<AnyNode>): string;
}
export interface Cheerio<T> extends MethodsType, Iterable<T> {
cheerio: '[cheerio object]';
splice: typeof Array.prototype.splice;
}
/** Set a signature of the object. */
Cheerio.prototype.cheerio = '[cheerio object]';
/*
* Make cheerio an array-like object
*/
Cheerio.prototype.splice = Array.prototype.splice;
// Support for (const element of $(...)) iteration:
Cheerio.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
// Plug in the API
Object.assign(
Cheerio.prototype,
Attributes,
Traversing,
Manipulation,
Css,
Forms,
Extract,
);

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export type * from './types.js';
export type {
Cheerio,
CheerioAPI,
CheerioOptions,
HTMLParser2Options,
} from './slim.js';
export { contains, merge } from './static.js';
export * from './load-parse.js';

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import { describe, it, expect, afterEach } from 'vitest';
import * as cheerio from './index.js';
import { Writable } from 'node:stream';
import { createServer, type Server } from 'node:http';
function noop() {
// Ignore
}
// Returns a promise and a resolve function
function getPromise() {
let cb: (error: Error | null | undefined, $: cheerio.CheerioAPI) => void;
const promise = new Promise<cheerio.CheerioAPI>((resolve, reject) => {
cb = (error, $) => (error ? reject(error) : resolve($));
});
return { promise, cb: cb! };
}
const TEST_HTML = '<h1>Hello World</h1>';
const TEST_HTML_UTF16 = Buffer.from(TEST_HTML, 'utf16le');
const TEST_HTML_UTF16_BOM = Buffer.from([
// UTF16-LE BOM
0xff,
0xfe,
...Array.from(TEST_HTML_UTF16),
]);
describe('loadBuffer', () => {
it('should parse UTF-8 HTML', () => {
const $ = cheerio.loadBuffer(Buffer.from(TEST_HTML));
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
it('should parse UTF-16 HTML', () => {
const $ = cheerio.loadBuffer(TEST_HTML_UTF16_BOM);
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
});
describe('stringStream', () => {
it('should use parse5 by default', async () => {
const { promise, cb } = getPromise();
const stream = cheerio.stringStream({}, cb);
expect(stream).toBeInstanceOf(Writable);
stream.end(TEST_HTML);
const $ = await promise;
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
it('should error from parse5 on buffer', () => {
const stream = cheerio.stringStream({}, noop);
expect(stream).toBeInstanceOf(Writable);
expect(() => stream.write(Buffer.from(TEST_HTML))).toThrow(
'Parser can work only with string streams.',
);
});
it('should use htmlparser2 for XML', async () => {
const { promise, cb } = getPromise();
const stream = cheerio.stringStream({ xmlMode: true }, cb);
expect(stream).toBeInstanceOf(Writable);
stream.end(TEST_HTML);
const $ = await promise;
expect($.html()).toBe(TEST_HTML);
});
});
describe('decodeStream', () => {
it('should use parse5 by default', async () => {
const { promise, cb } = getPromise();
const stream = cheerio.decodeStream({}, cb);
expect(stream).toBeInstanceOf(Writable);
stream.end(TEST_HTML_UTF16_BOM);
const $ = await promise;
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
it('should use htmlparser2 for XML', async () => {
const { promise, cb } = getPromise();
const stream = cheerio.decodeStream({ xmlMode: true }, cb);
expect(stream).toBeInstanceOf(Writable);
stream.end(TEST_HTML_UTF16_BOM);
const $ = await promise;
expect($.html()).toBe(TEST_HTML);
});
});
describe('fromURL', () => {
let server: Server | undefined;
function createTestServer(
contentType: string,
body: string | Buffer,
): Promise<number> {
return new Promise((resolve, reject) => {
server = createServer((_req, res) => {
res.writeHead(200, { 'Content-Type': contentType });
res.end(body);
});
server.listen(0, () => {
const address = server?.address();
if (typeof address === 'string' || address == null) {
reject(new Error('Failed to get port'));
} else {
resolve(address.port);
}
});
});
}
afterEach(
async () =>
new Promise<void>((resolve, reject) => {
if (server) {
server.close((err) => (err ? reject(err) : resolve()));
server = undefined;
} else {
resolve();
}
}),
);
it('should fetch UTF-8 HTML', async () => {
const port = await createTestServer('text/html', TEST_HTML);
const $ = await cheerio.fromURL(`http://localhost:${port}`);
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
it('should fetch UTF-16 HTML', async () => {
const port = await createTestServer(
'text/html; charset=utf-16le',
TEST_HTML_UTF16,
);
const $ = await cheerio.fromURL(`http://localhost:${port}`);
expect($.html()).toBe(
`<html><head></head><body>${TEST_HTML}</body></html>`,
);
});
it('should parse XML based on Content-Type', async () => {
const port = await createTestServer('text/xml', TEST_HTML);
const $ = await cheerio.fromURL(`http://localhost:${port}`);
expect($.html()).toBe(TEST_HTML);
});
});

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/**
* @file Batteries-included version of Cheerio. This module includes several
* convenience methods for loading documents from various sources.
*/
export * from './load-parse.js';
export { contains, merge } from './static.js';
export type * from './types.js';
export type {
Cheerio,
CheerioAPI,
CheerioOptions,
HTMLParser2Options,
} from './slim.js';
import { adapter as htmlparser2Adapter } from 'parse5-htmlparser2-tree-adapter';
import * as htmlparser2 from 'htmlparser2';
import { ParserStream as Parse5Stream } from 'parse5-parser-stream';
import {
decodeBuffer,
DecodeStream,
type SnifferOptions,
} from 'encoding-sniffer';
import * as undici from 'undici';
import MIMEType from 'whatwg-mimetype';
import { Writable, finished } from 'node:stream';
import type { CheerioAPI } from './load.js';
import {
flattenOptions,
type InternalOptions,
type CheerioOptions,
} from './options.js';
import { load } from './load-parse.js';
/**
* Sniffs the encoding of a buffer, then creates a querying function bound to a
* document created from the buffer.
*
* @category Loading
* @example
*
* ```js
* import * as cheerio from 'cheerio';
*
* const buffer = fs.readFileSync('index.html');
* const $ = cheerio.fromBuffer(buffer);
* ```
*
* @param buffer - The buffer to sniff the encoding of.
* @param options - The options to pass to Cheerio.
* @returns The loaded document.
*/
export function loadBuffer(
buffer: Buffer,
options: DecodeStreamOptions = {},
): CheerioAPI {
const opts = flattenOptions(options);
const str = decodeBuffer(buffer, {
defaultEncoding: opts?.xmlMode ? 'utf8' : 'windows-1252',
...options.encoding,
});
return load(str, opts);
}
function _stringStream(
options: InternalOptions | undefined,
cb: (err: Error | null | undefined, $: CheerioAPI) => void,
): Writable {
if (options?._useHtmlParser2) {
const parser = htmlparser2.createDocumentStream(
(err, document) => cb(err, load(document)),
options,
);
return new Writable({
decodeStrings: false,
write(chunk, _encoding, callback) {
if (typeof chunk !== 'string') {
throw new TypeError('Expected a string');
}
parser.write(chunk);
callback();
},
final(callback) {
parser.end();
callback();
},
});
}
options ??= {};
options.treeAdapter ??= htmlparser2Adapter;
if (options.scriptingEnabled !== false) {
options.scriptingEnabled = true;
}
const stream = new Parse5Stream(options);
finished(stream, (err) => cb(err, load(stream.document)));
return stream;
}
/**
* Creates a stream that parses a sequence of strings into a document.
*
* The stream is a `Writable` stream that accepts strings. When the stream is
* finished, the callback is called with the loaded document.
*
* @category Loading
* @example
*
* ```js
* import * as cheerio from 'cheerio';
* import * as fs from 'fs';
*
* const writeStream = cheerio.stringStream({}, (err, $) => {
* if (err) {
* // Handle error
* }
*
* console.log($('h1').text());
* // Output: Hello, world!
* });
*
* fs.createReadStream('my-document.html', { encoding: 'utf8' }).pipe(
* writeStream,
* );
* ```
*
* @param options - The options to pass to Cheerio.
* @param cb - The callback to call when the stream is finished.
* @returns The writable stream.
*/
export function stringStream(
options: CheerioOptions,
cb: (err: Error | null | undefined, $: CheerioAPI) => void,
): Writable {
return _stringStream(flattenOptions(options), cb);
}
export interface DecodeStreamOptions extends CheerioOptions {
encoding?: SnifferOptions;
}
/**
* Parses a stream of buffers into a document.
*
* The stream is a `Writable` stream that accepts buffers. When the stream is
* finished, the callback is called with the loaded document.
*
* @category Loading
* @param options - The options to pass to Cheerio.
* @param cb - The callback to call when the stream is finished.
* @returns The writable stream.
*/
export function decodeStream(
options: DecodeStreamOptions,
cb: (err: Error | null | undefined, $: CheerioAPI) => void,
): Writable {
const { encoding = {}, ...cheerioOptions } = options;
const opts = flattenOptions(cheerioOptions);
// Set the default encoding to UTF-8 for XML mode
encoding.defaultEncoding ??= opts?.xmlMode ? 'utf8' : 'windows-1252';
const decodeStream = new DecodeStream(encoding);
const loadStream = _stringStream(opts, cb);
decodeStream.pipe(loadStream);
return decodeStream;
}
type UndiciStreamOptions = Parameters<typeof undici.stream>[1];
export interface CheerioRequestOptions extends DecodeStreamOptions {
/** The options passed to `undici`'s `stream` method. */
requestOptions?: UndiciStreamOptions;
}
const defaultRequestOptions: UndiciStreamOptions = {
method: 'GET',
// Allow redirects by default
maxRedirections: 5,
// NOTE: `throwOnError` currently doesn't work https://github.com/nodejs/undici/issues/1753
throwOnError: true,
// Set an Accept header
headers: {
accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
},
};
/**
* `fromURL` loads a document from a URL.
*
* By default, redirects are allowed and non-2xx responses are rejected.
*
* @category Loading
* @example
*
* ```js
* import * as cheerio from 'cheerio';
*
* const $ = await cheerio.fromURL('https://example.com');
* ```
*
* @param url - The URL to load the document from.
* @param options - The options to pass to Cheerio.
* @returns The loaded document.
*/
export async function fromURL(
url: string | URL,
options: CheerioRequestOptions = {},
): Promise<CheerioAPI> {
const {
requestOptions = defaultRequestOptions,
encoding = {},
...cheerioOptions
} = options;
let undiciStream: Promise<undici.Dispatcher.StreamData> | undefined;
// Add headers if none were supplied.
requestOptions.headers ??= defaultRequestOptions.headers;
const promise = new Promise<CheerioAPI>((resolve, reject) => {
undiciStream = undici.stream(url, requestOptions, (res) => {
const contentType = res.headers['content-type'] ?? 'text/html';
const mimeType = new MIMEType(
Array.isArray(contentType) ? contentType[0] : contentType,
);
if (!mimeType.isHTML() && !mimeType.isXML()) {
throw new RangeError(
`The content-type "${contentType}" is neither HTML nor XML.`,
);
}
// Forward the charset from the header to the decodeStream.
encoding.transportLayerEncodingLabel = mimeType.parameters.get('charset');
/*
* If we allow redirects, we will have entries in the history.
* The last entry will be the final URL.
*/
const history = (
res.context as
| {
history?: URL[];
}
| undefined
)?.history;
const opts = {
encoding,
// Set XML mode based on the MIME type.
xmlMode: mimeType.isXML(),
// Set the `baseURL` to the final URL.
baseURL: history ? history[history.length - 1] : url,
...cheerioOptions,
};
return decodeStream(opts, (err, $) => (err ? reject(err) : resolve($)));
});
});
// Let's make sure the request is completed before returning the promise.
await undiciStream;
return promise;
}

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YakPanel-server/frontend/node_modules/cheerio/src/load-parse.ts generated vendored Normal file
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import { type CheerioAPI, getLoad } from './load.js';
import { getParse } from './parse.js';
import { renderWithParse5, parseWithParse5 } from './parsers/parse5-adapter.js';
import type { CheerioOptions } from './options.js';
import renderWithHtmlparser2 from 'dom-serializer';
import { parseDocument as parseWithHtmlparser2 } from 'htmlparser2';
import type { AnyNode } from 'domhandler';
const parse = getParse((content, options, isDocument, context) =>
options._useHtmlParser2
? parseWithHtmlparser2(content, options)
: parseWithParse5(content, options, isDocument, context),
);
// Duplicate docs due to https://github.com/TypeStrong/typedoc/issues/1616
/**
* Create a querying function, bound to a document created from the provided
* markup.
*
* Note that similar to web browser contexts, this operation may introduce
* `<html>`, `<head>`, and `<body>` elements; set `isDocument` to `false` to
* switch to fragment mode and disable this.
*
* @category Loading
* @param content - Markup to be loaded.
* @param options - Options for the created instance.
* @param isDocument - Allows parser to be switched to fragment mode.
* @returns The loaded document.
* @see {@link https://cheerio.js.org#loading} for additional usage information.
*/
export const load: (
content: string | AnyNode | AnyNode[] | Buffer,
options?: CheerioOptions | null,
isDocument?: boolean,
) => CheerioAPI = getLoad(parse, (dom, options) =>
options._useHtmlParser2
? renderWithHtmlparser2(dom, options)
: renderWithParse5(dom),
);

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import { describe, it, expect } from 'vitest';
import { load } from './index.js';
describe('.load', () => {
it('(html) : should retain original root after creating a new node', () => {
const $ = load('<body><ul id="fruits"></ul></body>');
expect($('body')).toHaveLength(1);
$('<script>');
expect($('body')).toHaveLength(1);
});
it('(html) : should handle lowercase tag options', () => {
const $ = load('<BODY><ul id="fruits"></ul></BODY>', {
xml: { lowerCaseTags: true },
});
expect($.html()).toBe('<body><ul id="fruits"/></body>');
});
it('(html) : should handle xml tag option', () => {
const $ = load('<body><script><foo></script></body>', {
xml: true,
});
expect($('script')[0].children[0].type).toBe('tag');
});
it('(buffer) : should accept a buffer', () => {
const html = '<html><head></head><body>foo</body></html>';
const $html = load(Buffer.from(html));
expect($html.html()).toBe(html);
});
});

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import {
type CheerioOptions,
type InternalOptions,
flattenOptions,
} from './options.js';
import * as staticMethods from './static.js';
import { Cheerio } from './cheerio.js';
import { isHtml, isCheerio } from './utils.js';
import type { AnyNode, Document, Element, ParentNode } from 'domhandler';
import type { SelectorType, BasicAcceptedElems } from './types.js';
type StaticType = typeof staticMethods;
/**
* A querying function, bound to a document created from the provided markup.
*
* Also provides several helper methods for dealing with the document as a
* whole.
*/
export interface CheerioAPI extends StaticType {
/**
* This selector method is the starting point for traversing and manipulating
* the document. Like jQuery, it's the primary method for selecting elements
* in the document.
*
* `selector` searches within the `context` scope, which searches within the
* `root` scope.
*
* @example
*
* ```js
* $('ul .pear').attr('class');
* //=> pear
*
* $('li[class=orange]').html();
* //=> Orange
*
* $('.apple', '#fruits').text();
* //=> Apple
* ```
*
* Optionally, you can also load HTML by passing the string as the selector:
*
* ```js
* $('<ul id="fruits">...</ul>');
* ```
*
* Or the context:
*
* ```js
* $('ul', '<ul id="fruits">...</ul>');
* ```
*
* Or as the root:
*
* ```js
* $('li', 'ul', '<ul id="fruits">...</ul>');
* ```
*
* @param selector - Either a selector to look for within the document, or the
* contents of a new Cheerio instance.
* @param context - Either a selector to look for within the root, or the
* contents of the document to query.
* @param root - Optional HTML document string.
*/
<T extends AnyNode, S extends string>(
selector?: S | BasicAcceptedElems<T>,
context?: BasicAcceptedElems<AnyNode> | null,
root?: BasicAcceptedElems<Document>,
options?: CheerioOptions,
): Cheerio<S extends SelectorType ? Element : T>;
/**
* The root the document was originally loaded with.
*
* @private
*/
_root: Document;
/**
* The options the document was originally loaded with.
*
* @private
*/
_options: InternalOptions;
/** Mimic jQuery's prototype alias for plugin authors. */
fn: typeof Cheerio.prototype;
/**
* The `.load` static method defined on the "loaded" Cheerio factory function
* is deprecated. Users are encouraged to instead use the `load` function
* exported by the Cheerio module.
*
* @deprecated Use the `load` function exported by the Cheerio module.
* @category Deprecated
* @example
*
* ```js
* const $ = cheerio.load('<h1>Hello, <span>world</span>.</h1>');
* ```
*/
load: ReturnType<typeof getLoad>;
}
export function getLoad(
parse: typeof Cheerio.prototype._parse,
render: (
dom: AnyNode | ArrayLike<AnyNode>,
options: InternalOptions,
) => string,
) {
/**
* Create a querying function, bound to a document created from the provided
* markup.
*
* Note that similar to web browser contexts, this operation may introduce
* `<html>`, `<head>`, and `<body>` elements; set `isDocument` to `false` to
* switch to fragment mode and disable this.
*
* @param content - Markup to be loaded.
* @param options - Options for the created instance.
* @param isDocument - Allows parser to be switched to fragment mode.
* @returns The loaded document.
* @see {@link https://cheerio.js.org#loading} for additional usage information.
*/
return function load(
content: string | AnyNode | AnyNode[] | Buffer,
options?: CheerioOptions | null,
isDocument = true,
): CheerioAPI {
if ((content as string | null) == null) {
throw new Error('cheerio.load() expects a string');
}
const internalOpts = flattenOptions(options);
const initialRoot = parse(content, internalOpts, isDocument, null);
/**
* Create an extended class here, so that extensions only live on one
* instance.
*/
class LoadedCheerio<T> extends Cheerio<T> {
_make<T>(
selector?: ArrayLike<T> | T | string,
context?: BasicAcceptedElems<AnyNode> | null,
): Cheerio<T> {
const cheerio = initialize(selector, context);
cheerio.prevObject = this;
return cheerio;
}
_parse(
content: string | Document | AnyNode | AnyNode[] | Buffer,
options: InternalOptions,
isDocument: boolean,
context: ParentNode | null,
) {
return parse(content, options, isDocument, context);
}
_render(dom: AnyNode | ArrayLike<AnyNode>): string {
return render(dom, this.options);
}
}
function initialize<T = AnyNode, S extends string = string>(
selector?: ArrayLike<T> | T | S,
context?: BasicAcceptedElems<AnyNode> | null,
root: BasicAcceptedElems<Document> = initialRoot,
opts?: CheerioOptions,
): Cheerio<S extends SelectorType ? Element : T> {
type Result = S extends SelectorType ? Element : T;
// $($)
if (selector && isCheerio<Result>(selector)) return selector;
const options = flattenOptions(opts, internalOpts);
const r =
typeof root === 'string'
? [parse(root, options, false, null)]
: 'length' in root
? root
: [root];
const rootInstance = isCheerio<Document>(r)
? r
: new LoadedCheerio<Document>(r, null, options);
// Add a cyclic reference, so that calling methods on `_root` never fails.
rootInstance._root = rootInstance;
// $(), $(null), $(undefined), $(false)
if (!selector) {
return new LoadedCheerio<Result>(undefined, rootInstance, options);
}
const elements: AnyNode[] | undefined =
typeof selector === 'string' && isHtml(selector)
? // $(<html>)
parse(selector, options, false, null).children
: isNode(selector)
? // $(dom)
[selector]
: Array.isArray(selector)
? // $([dom])
selector
: undefined;
const instance = new LoadedCheerio(elements, rootInstance, options);
if (elements) {
return instance as any;
}
if (typeof selector !== 'string') {
throw new TypeError('Unexpected type of selector');
}
// We know that our selector is a string now.
let search = selector;
const searchContext: Cheerio<AnyNode> | undefined = context
? // If we don't have a context, maybe we have a root, from loading
typeof context === 'string'
? isHtml(context)
? // $('li', '<ul>...</ul>')
new LoadedCheerio<Document>(
[parse(context, options, false, null)],
rootInstance,
options,
)
: // $('li', 'ul')
((search = `${context} ${search}` as S), rootInstance)
: isCheerio<AnyNode>(context)
? // $('li', $)
context
: // $('li', node), $('li', [nodes])
new LoadedCheerio<AnyNode>(
Array.isArray(context) ? context : [context],
rootInstance,
options,
)
: rootInstance;
// If we still don't have a context, return
if (!searchContext) return instance as any;
/*
* #id, .class, tag
*/
return searchContext.find(search) as Cheerio<Result>;
}
// Add in static methods & properties
Object.assign(initialize, staticMethods, {
load,
// `_root` and `_options` are used in static methods.
_root: initialRoot,
_options: internalOpts,
// Add `fn` for plugins
fn: LoadedCheerio.prototype,
// Add the prototype here to maintain `instanceof` behavior.
prototype: LoadedCheerio.prototype,
});
return initialize as CheerioAPI;
};
}
function isNode(obj: any): obj is AnyNode {
return (
!!obj.name ||
obj.type === 'root' ||
obj.type === 'text' ||
obj.type === 'comment'
);
}

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import type { DomHandlerOptions } from 'domhandler';
import type { ParserOptions as HTMLParser2ParserOptions } from 'htmlparser2';
import type { ParserOptions as Parse5ParserOptions } from 'parse5';
import type { Htmlparser2TreeAdapterMap } from 'parse5-htmlparser2-tree-adapter';
import type { Options as SelectOptions } from 'cheerio-select';
/**
* Options accepted by htmlparser2, the default parser for XML.
*
* @see https://github.com/fb55/htmlparser2/wiki/Parser-options
*/
export interface HTMLParser2Options
extends DomHandlerOptions,
HTMLParser2ParserOptions {}
/**
* Options accepted by Cheerio.
*
* Please note that parser-specific options are _only recognized_ if the
* relevant parser is used.
*/
export interface CheerioOptions
extends Parse5ParserOptions<Htmlparser2TreeAdapterMap> {
/**
* Recommended way of configuring htmlparser2 when wanting to parse XML.
*
* This will switch Cheerio to use htmlparser2.
*
* @default false
*/
xml?: HTMLParser2Options | boolean;
/**
* Enable xml mode, which will switch Cheerio to use htmlparser2.
*
* @deprecated Please use the `xml` option instead.
* @default false
*/
xmlMode?: boolean;
/** The base URI for the document. Used to resolve the `href` and `src` props. */
baseURI?: string | URL;
/**
* Is the document in quirks mode?
*
* This will lead to `.className` and `#id` being case-insensitive.
*
* @default false
*/
quirksMode?: SelectOptions['quirksMode'];
/**
* Extension point for pseudo-classes.
*
* Maps from names to either strings of functions.
*
* - A string value is a selector that the element must match to be selected.
* - A function is called with the element as its first argument, and optional
* parameters second. If it returns true, the element is selected.
*
* @example
*
* ```js
* const $ = cheerio.load(
* '<div class="foo"></div><div data-bar="boo"></div>',
* {
* pseudos: {
* // `:foo` is an alias for `div.foo`
* foo: 'div.foo',
* // `:bar(val)` is equivalent to `[data-bar=val s]`
* bar: (el, val) => el.attribs['data-bar'] === val,
* },
* },
* );
*
* $(':foo').length; // 1
* $('div:bar(boo)').length; // 1
* $('div:bar(baz)').length; // 0
* ```
*/
pseudos?: SelectOptions['pseudos'];
}
/** Internal options for Cheerio. */
export interface InternalOptions
extends HTMLParser2Options,
Omit<CheerioOptions, 'xml'> {
/**
* Whether to use htmlparser2.
*
* This is set to true if `xml` is set to true.
*/
_useHtmlParser2?: boolean;
}
const defaultOpts: InternalOptions = {
_useHtmlParser2: false,
};
/**
* Flatten the options for Cheerio.
*
* This will set `_useHtmlParser2` to true if `xml` is set to true.
*
* @param options - The options to flatten.
* @param baseOptions - The base options to use.
* @returns The flattened options.
*/
export function flattenOptions(
options?: CheerioOptions | null,
baseOptions?: InternalOptions,
): InternalOptions {
if (!options) {
return baseOptions ?? defaultOpts;
}
const opts: InternalOptions = {
_useHtmlParser2: !!options.xmlMode,
...baseOptions,
...options,
};
if (options.xml) {
opts._useHtmlParser2 = true;
opts.xmlMode = true;
if (options.xml !== true) {
Object.assign(opts, options.xml);
}
} else if (options.xmlMode) {
opts._useHtmlParser2 = true;
}
return opts;
}

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import { describe, it, expect } from 'vitest';
import type { Document, Element } from 'domhandler';
import { getParse } from './parse.js';
import { parseDocument as parseWithHtmlparser2 } from 'htmlparser2';
import { parseWithParse5 } from './parsers/parse5-adapter.js';
const defaultOpts = { _useHtmlParser2: false };
const parse = getParse((content, options, isDocument, context) =>
options._useHtmlParser2
? parseWithHtmlparser2(content, options)
: parseWithParse5(content, options, isDocument, context),
);
// Tags
const basic = '<html></html>';
const siblings = '<h2></h2><p></p>';
// Single Tags
const single = '<br/>';
const singleWrong = '<br>';
// Children
const children = '<html><br/></html>';
const li = '<li class="durian">Durian</li>';
// Attributes
const attributes = '<img src="hello.png" alt="man waving">';
const noValueAttribute = '<textarea disabled></textarea>';
// Comments
const comment = '<!-- sexy -->';
const conditional =
'<!--[if IE 8]><html class="no-js ie8" lang="en"><![endif]-->';
// Text
const text = 'lorem ipsum';
// Script
const script = '<script type="text/javascript">alert("hi world!");</script>';
const scriptEmpty = '<script></script>';
// Style
const style = '<style type="text/css"> h2 { color:blue; } </style>';
const styleEmpty = '<style></style>';
// Directives
const directive = '<!doctype html>';
function rootTest(root: Document) {
expect(root).toHaveProperty('type', 'root');
expect(root.nextSibling).toBe(null);
expect(root.previousSibling).toBe(null);
expect(root.parentNode).toBe(null);
const child = root.childNodes[0];
expect(child.parentNode).toBe(root);
}
describe('parse', () => {
describe('evaluate', () => {
it(`should parse basic empty tags: ${basic}`, () => {
const [tag] = parse(basic, defaultOpts, true, null).children as Element[];
expect(tag.type).toBe('tag');
expect(tag.tagName).toBe('html');
expect(tag.childNodes).toHaveLength(2);
});
it(`should handle sibling tags: ${siblings}`, () => {
const dom = parse(siblings, defaultOpts, false, null)
.children as Element[];
const [h2, p] = dom;
expect(dom).toHaveLength(2);
expect(h2.tagName).toBe('h2');
expect(p.tagName).toBe('p');
});
it(`should handle single tags: ${single}`, () => {
const [tag] = parse(single, defaultOpts, false, null)
.children as Element[];
expect(tag.type).toBe('tag');
expect(tag.tagName).toBe('br');
expect(tag.childNodes).toHaveLength(0);
});
it(`should handle malformatted single tags: ${singleWrong}`, () => {
const [tag] = parse(singleWrong, defaultOpts, false, null)
.children as Element[];
expect(tag.type).toBe('tag');
expect(tag.tagName).toBe('br');
expect(tag.childNodes).toHaveLength(0);
});
it(`should handle tags with children: ${children}`, () => {
const [tag] = parse(children, defaultOpts, true, null)
.children as Element[];
expect(tag.type).toBe('tag');
expect(tag.tagName).toBe('html');
expect(tag.childNodes).toBeTruthy();
expect(tag.childNodes[1]).toHaveProperty('tagName', 'body');
expect((tag.childNodes[1] as Element).childNodes).toHaveLength(1);
});
it(`should handle tags with children: ${li}`, () => {
const [tag] = parse(li, defaultOpts, false, null).children as Element[];
expect(tag.childNodes).toHaveLength(1);
expect(tag.childNodes[0]).toHaveProperty('data', 'Durian');
});
it(`should handle tags with attributes: ${attributes}`, () => {
const attrs = parse(attributes, defaultOpts, false, null)
.children[0] as Element;
expect(attrs.attribs).toBeTruthy();
expect(attrs.attribs).toHaveProperty('src', 'hello.png');
expect(attrs.attribs).toHaveProperty('alt', 'man waving');
});
it(`should handle value-less attributes: ${noValueAttribute}`, () => {
const attrs = parse(noValueAttribute, defaultOpts, false, null)
.children[0] as Element;
expect(attrs.attribs).toBeTruthy();
expect(attrs.attribs).toHaveProperty('disabled', '');
});
it(`should handle comments: ${comment}`, () => {
const elem = parse(comment, defaultOpts, false, null).children[0];
expect(elem.type).toBe('comment');
expect(elem).toHaveProperty('data', ' sexy ');
});
it(`should handle conditional comments: ${conditional}`, () => {
const elem = parse(conditional, defaultOpts, false, null).children[0];
expect(elem.type).toBe('comment');
expect(elem).toHaveProperty(
'data',
conditional.replace('<!--', '').replace('-->', ''),
);
});
it(`should handle text: ${text}`, () => {
const text_ = parse(text, defaultOpts, false, null).children[0];
expect(text_.type).toBe('text');
expect(text_).toHaveProperty('data', 'lorem ipsum');
});
it(`should handle script tags: ${script}`, () => {
const script_ = parse(script, defaultOpts, false, null)
.children[0] as Element;
expect(script_.type).toBe('script');
expect(script_.tagName).toBe('script');
expect(script_.attribs).toHaveProperty('type', 'text/javascript');
expect(script_.childNodes).toHaveLength(1);
expect(script_.childNodes[0].type).toBe('text');
expect(script_.childNodes[0]).toHaveProperty(
'data',
'alert("hi world!");',
);
});
it(`should handle style tags: ${style}`, () => {
const style_ = parse(style, defaultOpts, false, null)
.children[0] as Element;
expect(style_.type).toBe('style');
expect(style_.tagName).toBe('style');
expect(style_.attribs).toHaveProperty('type', 'text/css');
expect(style_.childNodes).toHaveLength(1);
expect(style_.childNodes[0].type).toBe('text');
expect(style_.childNodes[0]).toHaveProperty(
'data',
' h2 { color:blue; } ',
);
});
it(`should handle directives: ${directive}`, () => {
const elem = parse(directive, defaultOpts, true, null).children[0];
expect(elem.type).toBe('directive');
expect(elem).toHaveProperty('data', '!DOCTYPE html');
expect(elem).toHaveProperty('name', '!doctype');
});
});
describe('.parse', () => {
// Root test utility
it(`should add root to: ${basic}`, () => {
const root = parse(basic, defaultOpts, true, null);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0]).toHaveProperty('tagName', 'html');
});
it(`should add root to: ${siblings}`, () => {
const root = parse(siblings, defaultOpts, false, null);
rootTest(root);
expect(root.childNodes).toHaveLength(2);
expect(root.childNodes[0]).toHaveProperty('tagName', 'h2');
expect(root.childNodes[1]).toHaveProperty('tagName', 'p');
expect(root.childNodes[1].parent).toBe(root);
});
it(`should add root to: ${comment}`, () => {
const root = parse(comment, defaultOpts, false, null);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0].type).toBe('comment');
});
it(`should add root to: ${text}`, () => {
const root = parse(text, defaultOpts, false, null);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0].type).toBe('text');
});
it(`should add root to: ${scriptEmpty}`, () => {
const root = parse(scriptEmpty, defaultOpts, false, null);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0].type).toBe('script');
});
it(`should add root to: ${styleEmpty}`, () => {
const root = parse(styleEmpty, defaultOpts, false, null);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0].type).toBe('style');
});
it(`should add root to: ${directive}`, () => {
const root = parse(directive, defaultOpts, true, null);
rootTest(root);
expect(root.childNodes).toHaveLength(2);
expect(root.childNodes[0].type).toBe('directive');
});
it('should simply return root', () => {
const oldroot = parse(basic, defaultOpts, true, null);
const root = parse(oldroot, defaultOpts, true, null);
expect(root).toBe(oldroot);
rootTest(root);
expect(root.childNodes).toHaveLength(1);
expect(root.childNodes[0]).toHaveProperty('tagName', 'html');
});
it('should expose the DOM level 1 API', () => {
const root = parse(
'<div><a></a><span></span><p></p></div>',
defaultOpts,
false,
null,
).childNodes[0] as Element;
const childNodes = root.childNodes as Element[];
expect(childNodes).toHaveLength(3);
expect(root.tagName).toBe('div');
expect(root.firstChild).toBe(childNodes[0]);
expect(root.lastChild).toBe(childNodes[2]);
expect(childNodes[0].tagName).toBe('a');
expect(childNodes[0].previousSibling).toBe(null);
expect(childNodes[0].nextSibling).toBe(childNodes[1]);
expect(childNodes[0].parentNode).toBe(root);
expect((childNodes[0] as Element).childNodes).toHaveLength(0);
expect(childNodes[0].firstChild).toBe(null);
expect(childNodes[0].lastChild).toBe(null);
expect(childNodes[1].tagName).toBe('span');
expect(childNodes[1].previousSibling).toBe(childNodes[0]);
expect(childNodes[1].nextSibling).toBe(childNodes[2]);
expect(childNodes[1].parentNode).toBe(root);
expect(childNodes[1].childNodes).toHaveLength(0);
expect(childNodes[1].firstChild).toBe(null);
expect(childNodes[1].lastChild).toBe(null);
expect(childNodes[2].tagName).toBe('p');
expect(childNodes[2].previousSibling).toBe(childNodes[1]);
expect(childNodes[2].nextSibling).toBe(null);
expect(childNodes[2].parentNode).toBe(root);
expect(childNodes[2].childNodes).toHaveLength(0);
expect(childNodes[2].firstChild).toBe(null);
expect(childNodes[2].lastChild).toBe(null);
});
it('Should parse less than or equal sign sign', () => {
const root = parse('<i>A</i><=<i>B</i>', defaultOpts, false, null);
const { childNodes } = root;
expect(childNodes[0]).toHaveProperty('tagName', 'i');
expect((childNodes[0] as Element).childNodes[0]).toHaveProperty(
'data',
'A',
);
expect(childNodes[1]).toHaveProperty('data', '<=');
expect(childNodes[2]).toHaveProperty('tagName', 'i');
expect((childNodes[2] as Element).childNodes[0]).toHaveProperty(
'data',
'B',
);
});
it('Should ignore unclosed CDATA', () => {
const root = parse(
'<a></a><script>foo //<![CDATA[ bar</script><b></b>',
defaultOpts,
false,
null,
);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].tagName).toBe('a');
expect(childNodes[1].tagName).toBe('script');
expect(childNodes[1].childNodes[0]).toHaveProperty(
'data',
'foo //<![CDATA[ bar',
);
expect(childNodes[2].tagName).toBe('b');
});
it('Should add <head> to documents', () => {
const root = parse('<html></html>', defaultOpts, true, null);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].tagName).toBe('html');
expect(childNodes[0].childNodes[0]).toHaveProperty('tagName', 'head');
});
it('Should implicitly create <tr> around <td>', () => {
const root = parse(
'<table><td>bar</td></tr></table>',
defaultOpts,
false,
null,
);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].tagName).toBe('table');
expect(childNodes[0].childNodes.length).toBe(1);
expect(childNodes[0].childNodes[0]).toHaveProperty('tagName', 'tbody');
expect((childNodes[0] as any).childNodes[0].childNodes[0]).toHaveProperty(
'tagName',
'tr',
);
expect(
(childNodes[0] as any).childNodes[0].childNodes[0].childNodes[0]
.tagName,
).toBe('td');
expect(
(childNodes[0] as any).childNodes[0].childNodes[0].childNodes[0]
.childNodes[0].data,
).toBe('bar');
});
it('Should parse custom tag <line>', () => {
const root = parse('<line>test</line>', defaultOpts, false, null);
const childNodes = root.childNodes as Element[];
expect(childNodes.length).toBe(1);
expect(childNodes[0].tagName).toBe('line');
expect(childNodes[0].childNodes[0]).toHaveProperty('data', 'test');
});
it('Should properly parse misnested table tags', () => {
const root = parse(
'<tr><td>i1</td></tr><tr><td>i2</td></td></tr><tr><td>i3</td></td></tr>',
defaultOpts,
false,
null,
);
const childNodes = root.childNodes as Element[];
expect(childNodes.length).toBe(3);
for (let i = 0; i < childNodes.length; i++) {
const child = childNodes[i];
expect(child.tagName).toBe('tr');
expect(child.childNodes[0]).toHaveProperty('tagName', 'td');
expect((child.childNodes[0] as Element).childNodes[0]).toHaveProperty(
'data',
`i${i + 1}`,
);
}
});
it('Should correctly parse data url attributes', () => {
const html =
'<div style=\'font-family:"butcherman-caps"; src:url(data:font/opentype;base64,AAEA...);\'></div>';
const expectedAttr =
'font-family:"butcherman-caps"; src:url(data:font/opentype;base64,AAEA...);';
const root = parse(html, defaultOpts, false, null);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].attribs).toHaveProperty('style', expectedAttr);
});
it('Should treat <xmp> tag content as text', () => {
const root = parse('<xmp><h2></xmp>', defaultOpts, false, null);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].childNodes[0]).toHaveProperty('data', '<h2>');
});
it('Should correctly parse malformed numbered entities', () => {
const root = parse('<p>z&#</p>', defaultOpts, false, null);
const childNodes = root.childNodes as Element[];
expect(childNodes[0].childNodes[0]).toHaveProperty('data', 'z&#');
});
it('Should correctly parse mismatched headings', () => {
const root = parse('<h2>Test</h3><div></div>', defaultOpts, false, null);
const { childNodes } = root;
expect(childNodes.length).toBe(2);
expect(childNodes[0]).toHaveProperty('tagName', 'h2');
expect(childNodes[1]).toHaveProperty('tagName', 'div');
});
it('Should correctly parse tricky <pre> content', () => {
const root = parse(
'<pre>\nA <- factor(A, levels = c("c","a","b"))\n</pre>',
defaultOpts,
false,
null,
);
const childNodes = root.childNodes as Element[];
expect(childNodes.length).toBe(1);
expect(childNodes[0].tagName).toBe('pre');
expect(childNodes[0].childNodes[0]).toHaveProperty(
'data',
'A <- factor(A, levels = c("c","a","b"))\n',
);
});
it('should pass the options for including the location info to parse5', () => {
const root = parse(
'<p>Hello</p>',
{ ...defaultOpts, sourceCodeLocationInfo: true },
false,
null,
);
const location = root.children[0].sourceCodeLocation;
expect(typeof location).toBe('object');
expect(location?.endOffset).toBe(12);
});
});
});

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import { removeElement } from 'domutils';
import {
type AnyNode,
Document,
type ParentNode,
isDocument as checkIsDocument,
} from 'domhandler';
import type { InternalOptions } from './options.js';
/**
* Get the parse function with options.
*
* @param parser - The parser function.
* @returns The parse function with options.
*/
export function getParse(
parser: (
content: string,
options: InternalOptions,
isDocument: boolean,
context: ParentNode | null,
) => Document,
) {
/**
* Parse a HTML string or a node.
*
* @param content - The HTML string or node.
* @param options - The parser options.
* @param isDocument - If `content` is a document.
* @param context - The context node in the DOM tree.
* @returns The parsed document node.
*/
return function parse(
content: string | Document | AnyNode | AnyNode[] | Buffer,
options: InternalOptions,
isDocument: boolean,
context: ParentNode | null,
): Document {
if (typeof Buffer !== 'undefined' && Buffer.isBuffer(content)) {
content = content.toString();
}
if (typeof content === 'string') {
return parser(content, options, isDocument, context);
}
const doc = content as AnyNode | AnyNode[] | Document;
if (!Array.isArray(doc) && checkIsDocument(doc)) {
// If `doc` is already a root, just return it
return doc;
}
// Add conent to new root element
const root = new Document([]);
// Update the DOM using the root
update(doc, root);
return root;
};
}
/**
* Update the dom structure, for one changed layer.
*
* @param newChilds - The new children.
* @param parent - The new parent.
* @returns The parent node.
*/
export function update(
newChilds: AnyNode[] | AnyNode,
parent: ParentNode | null,
): ParentNode | null {
// Normalize
const arr = Array.isArray(newChilds) ? newChilds : [newChilds];
// Update parent
if (parent) {
parent.children = arr;
} else {
parent = null;
}
// Update neighbors
for (let i = 0; i < arr.length; i++) {
const node = arr[i];
// Cleanly remove existing nodes from their previous structures.
if (node.parent && node.parent.children !== arr) {
removeElement(node);
}
if (parent) {
node.prev = arr[i - 1] || null;
node.next = arr[i + 1] || null;
} else {
node.prev = node.next = null;
}
node.parent = parent;
}
return parent;
}

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import {
type AnyNode,
type Document,
type ParentNode,
isDocument,
} from 'domhandler';
import { parse as parseDocument, parseFragment, serializeOuter } from 'parse5';
import { adapter as htmlparser2Adapter } from 'parse5-htmlparser2-tree-adapter';
import type { InternalOptions } from '../options.js';
/**
* Parse the content with `parse5` in the context of the given `ParentNode`.
*
* @param content - The content to parse.
* @param options - A set of options to use to parse.
* @param isDocument - Whether to parse the content as a full HTML document.
* @param context - The context in which to parse the content.
* @returns The parsed content.
*/
export function parseWithParse5(
content: string,
options: InternalOptions,
isDocument: boolean,
context: ParentNode | null,
): Document {
options.treeAdapter ??= htmlparser2Adapter;
if (options.scriptingEnabled !== false) {
options.scriptingEnabled = true;
}
return isDocument
? parseDocument(content, options)
: parseFragment(context, content, options);
}
const renderOpts = { treeAdapter: htmlparser2Adapter };
/**
* Renders the given DOM tree with `parse5` and returns the result as a string.
*
* @param dom - The DOM tree to render.
* @returns The rendered document.
*/
export function renderWithParse5(dom: AnyNode | ArrayLike<AnyNode>): string {
/*
* `dom-serializer` passes over the special "root" node and renders the
* node's children in its place. To mimic this behavior with `parse5`, an
* equivalent operation must be applied to the input array.
*/
const nodes = 'length' in dom ? dom : [dom];
for (let index = 0; index < nodes.length; index += 1) {
const node = nodes[index];
if (isDocument(node)) {
Array.prototype.splice.call(nodes, index, 1, ...node.children);
}
}
let result = '';
for (let index = 0; index < nodes.length; index += 1) {
const node = nodes[index];
result += serializeOuter(node, renderOpts);
}
return result;
}

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/**
* @file Alternative entry point for Cheerio that always uses htmlparser2. This
* way, parse5 won't be loaded, saving some memory.
*/
import { type CheerioAPI, getLoad } from './load.js';
import { type CheerioOptions } from './options.js';
import { getParse } from './parse.js';
import type { AnyNode } from 'domhandler';
import render from 'dom-serializer';
import { parseDocument } from 'htmlparser2';
export { contains, merge } from './static.js';
export type * from './types.js';
export type { Cheerio } from './cheerio.js';
export type { CheerioOptions, HTMLParser2Options } from './options.js';
export type { CheerioAPI } from './load.js';
/**
* Create a querying function, bound to a document created from the provided
* markup.
*
* @param content - Markup to be loaded.
* @param options - Options for the created instance.
* @param isDocument - Always `false` here, as we are always using
* `htmlparser2`.
* @returns The loaded document.
* @see {@link https://cheerio.js.org#loading} for additional usage information.
*/
export const load: (
content: string | AnyNode | AnyNode[] | Buffer,
options?: CheerioOptions | null,
isDocument?: boolean,
) => CheerioAPI = getLoad(getParse(parseDocument), render);

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import { describe, it, expect, beforeEach } from 'vitest';
import { cheerio, food, eleven } from './__fixtures__/fixtures.js';
import { type CheerioAPI } from './index.js';
describe('cheerio', () => {
describe('.html', () => {
it('() : should return innerHTML; $.html(obj) should return outerHTML', () => {
const $div = cheerio(
'div',
'<div><span>foo</span><span>bar</span></div>',
);
const span = $div.children()[1];
expect(cheerio(span).html()).toBe('bar');
expect(cheerio.html(span)).toBe('<span>bar</span>');
});
it('(<obj>) : should accept an object, an array, or a cheerio object', () => {
const $span = cheerio('<span>foo</span>');
expect(cheerio.html($span[0])).toBe('<span>foo</span>');
expect(cheerio.html($span)).toBe('<span>foo</span>');
});
it('(<value>) : should be able to set to an empty string', () => {
const $elem = cheerio('<span>foo</span>').html('');
expect(cheerio.html($elem)).toBe('<span></span>');
});
it('(<root>) : does not render the root element', () => {
const $ = cheerio.load('');
expect(cheerio.html($.root())).toBe(
'<html><head></head><body></body></html>',
);
});
it('(<elem>, <root>, <elem>) : does not render the root element', () => {
const $ = cheerio.load('<div>a div</div><span>a span</span>');
const $collection = $('div').add($.root()).add('span');
const expected =
'<html><head></head><body><div>a div</div><span>a span</span></body></html><div>a div</div><span>a span</span>';
expect(cheerio.html($collection)).toBe(expected);
});
it('() : does not crash with `null` as `this` value', () => {
const { html } = cheerio;
expect(html.call(null as never)).toBe('');
expect(html.call(null as never, '#nothing')).toBe('');
});
});
describe('.text', () => {
it('(cheerio object) : should return the text contents of the specified elements', () => {
const $ = cheerio.load('<a>This is <em>content</em>.</a>');
expect(cheerio.text($('a'))).toBe('This is content.');
});
it('(cheerio object) : should omit comment nodes', () => {
const $ = cheerio.load(
'<a>This is <!-- a comment --> not a comment.</a>',
);
expect(cheerio.text($('a'))).toBe('This is not a comment.');
});
it('(cheerio object) : should include text contents of children recursively', () => {
const $ = cheerio.load(
'<a>This is <div>a child with <span>another child and <!-- a comment --> not a comment</span> followed by <em>one last child</em> and some final</div> text.</a>',
);
expect(cheerio.text($('a'))).toBe(
'This is a child with another child and not a comment followed by one last child and some final text.',
);
});
it('() : should return the rendered text content of the root', () => {
const $ = cheerio.load(
'<a>This is <div>a child with <span>another child and <!-- a comment --> not a comment</span> followed by <em>one last child</em> and some final</div> text.</a>',
);
expect(cheerio.text($.root())).toBe(
'This is a child with another child and not a comment followed by one last child and some final text.',
);
});
it('(cheerio object) : should not omit script tags', () => {
const $ = cheerio.load('<script>console.log("test")</script>');
expect(cheerio.text($.root())).toBe('console.log("test")');
});
it('(cheerio object) : should omit style tags', () => {
const $ = cheerio.load(
'<style type="text/css">.cf-hidden { display: none; }</style>',
);
expect($.text()).toBe('.cf-hidden { display: none; }');
});
it('() : does not crash with `null` as `this` value', () => {
const { text } = cheerio;
expect(text.call(null as never)).toBe('');
});
});
describe('.parseHTML', () => {
const $ = cheerio.load('');
it('() : returns null', () => {
expect($.parseHTML()).toBe(null);
});
it('(null) : returns null', () => {
expect($.parseHTML(null)).toBe(null);
});
it('("") : returns null', () => {
expect($.parseHTML('')).toBe(null);
});
it('(largeHtmlString) : parses large HTML strings', () => {
const html = '<div></div>'.repeat(10);
const nodes = $.parseHTML(html);
expect(nodes.length).toBe(10);
expect(nodes).toBeInstanceOf(Array);
});
it('("<script>") : ignores scripts by default', () => {
const html = '<script>undefined()</script>';
expect($.parseHTML(html)).toHaveLength(0);
});
it('("<script>", true) : preserves scripts when requested', () => {
const html = '<script>undefined()</script>';
expect($.parseHTML(html, true)[0]).toHaveProperty('tagName', 'script');
});
it('("scriptAndNonScript) : preserves non-script nodes', () => {
const html = '<script>undefined()</script><div></div>';
expect($.parseHTML(html)[0]).toHaveProperty('tagName', 'div');
});
it('(scriptAndNonScript, true) : Preserves script position', () => {
const html = '<script>undefined()</script><div></div>';
expect($.parseHTML(html, true)[0]).toHaveProperty('tagName', 'script');
});
it('(text) : returns a text node', () => {
expect($.parseHTML('text')[0].type).toBe('text');
});
it('(<tab>>text) : preserves leading whitespace', () => {
expect($.parseHTML('\t<div></div>')[0]).toHaveProperty('data', '\t');
});
it('( text) : Leading spaces are treated as text nodes', () => {
expect($.parseHTML(' <div/> ')[0].type).toBe('text');
});
it('(html) : should preserve content', () => {
const html = '<div>test div</div>';
expect(cheerio($.parseHTML(html)[0]).html()).toBe('test div');
});
it('(malformedHtml) : should not break', () => {
expect($.parseHTML('<span><span>')).toHaveLength(1);
});
it('(garbageInput) : should not cause an error', () => {
expect(
$.parseHTML('<#if><tr><p>This is a test.</p></tr><#/if>'),
).toBeTruthy();
});
it('(text) : should return an array that is not effected by DOM manipulation methods', () => {
const $div = cheerio.load('<div>');
const elems = $div.parseHTML('<b></b><i></i>');
$div('div').append(elems);
expect(elems).toHaveLength(2);
});
it('(html, context) : should ignore context argument', () => {
const $div = cheerio.load('<div>');
const elems = $div.parseHTML('<script>foo</script><a>', { foo: 123 });
$div('div').append(elems);
expect(elems).toHaveLength(1);
});
it('(html, context, keepScripts) : should ignore context argument', () => {
const $div = cheerio.load('<div>');
const elems = $div.parseHTML(
'<script>foo</script><a>',
{ foo: 123 },
true,
);
$div('div').append(elems);
expect(elems).toHaveLength(2);
});
});
describe('.merge', () => {
const $ = cheerio.load('');
it('should be a function', () => {
expect(typeof $.merge).toBe('function');
});
it('(arraylike, arraylike) : should modify the first array, but not the second', () => {
const arr1 = [1, 2, 3];
const arr2 = [4, 5, 6];
const ret = $.merge(arr1, arr2);
expect(typeof ret).toBe('object');
expect(Array.isArray(ret)).toBe(true);
expect(ret).toBe(arr1);
expect(arr1).toHaveLength(6);
expect(arr2).toHaveLength(3);
});
it('(arraylike, arraylike) : should handle objects that arent arrays, but are arraylike', () => {
const arr1: ArrayLike<string> = {
length: 3,
0: 'a',
1: 'b',
2: 'c',
};
const arr2 = {
length: 3,
0: 'd',
1: 'e',
2: 'f',
};
$.merge(arr1, arr2);
expect(arr1).toHaveLength(6);
expect(arr1[3]).toBe('d');
expect(arr1[4]).toBe('e');
expect(arr1[5]).toBe('f');
expect(arr2).toHaveLength(3);
});
it('(?, ?) : should gracefully reject invalid inputs', () => {
expect($.merge([4], 3 as never)).toBeFalsy();
expect($.merge({} as never, {} as never)).toBeFalsy();
expect($.merge([], {} as never)).toBeFalsy();
expect($.merge({} as never, [])).toBeFalsy();
const fakeArray1 = { length: 3, 0: 'a', 1: 'b', 3: 'd' };
expect($.merge(fakeArray1, [])).toBeFalsy();
expect($.merge([], fakeArray1)).toBeFalsy();
expect($.merge({ length: '7' } as never, [])).toBeFalsy();
expect($.merge({ length: -1 }, [])).toBeFalsy();
});
it('(?, ?) : should no-op on invalid inputs', () => {
const fakeArray1 = { length: 3, 0: 'a', 1: 'b', 3: 'd' };
$.merge(fakeArray1, []);
expect(fakeArray1).toHaveLength(3);
expect(fakeArray1[0]).toBe('a');
expect(fakeArray1[1]).toBe('b');
expect(fakeArray1[3]).toBe('d');
$.merge([], fakeArray1);
expect(fakeArray1).toHaveLength(3);
expect(fakeArray1[0]).toBe('a');
expect(fakeArray1[1]).toBe('b');
expect(fakeArray1[3]).toBe('d');
});
});
describe('.contains', () => {
let $: CheerioAPI;
beforeEach(() => {
$ = cheerio.load(food);
});
it('(container, contained) : should correctly detect the provided element', () => {
const $food = $('#food');
const $fruits = $('#fruits');
const $apple = $('.apple');
expect($.contains($food[0], $fruits[0])).toBe(true);
expect($.contains($food[0], $apple[0])).toBe(true);
});
it('(container, other) : should not detect elements that are not contained', () => {
const $fruits = $('#fruits');
const $vegetables = $('#vegetables');
const $apple = $('.apple');
expect($.contains($vegetables[0], $apple[0])).toBe(false);
expect($.contains($fruits[0], $vegetables[0])).toBe(false);
expect($.contains($vegetables[0], $fruits[0])).toBe(false);
expect($.contains($fruits[0], $fruits[0])).toBe(false);
expect($.contains($vegetables[0], $vegetables[0])).toBe(false);
});
});
describe('.root', () => {
it('() : should return a cheerio-wrapped root object', () => {
const $ = cheerio.load('<html><head></head><body>foo</body></html>');
$.root().append('<div id="test"></div>');
expect($.html()).toBe(
'<html><head></head><body>foo</body></html><div id="test"></div>',
);
});
});
describe('.extract', () => {
it('() : should extract values for selectors', () => {
const $ = cheerio.load(eleven);
expect(
$.extract({
red: [{ selector: '.red', value: 'outerHTML' }],
}),
).toStrictEqual({
red: [
'<li class="red">Four</li>',
'<li class="red">Five</li>',
'<li class="red sel">Nine</li>',
],
});
});
});
});

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import type { BasicAcceptedElems } from './types.js';
import type { CheerioAPI } from './load.js';
import type { Cheerio } from './cheerio.js';
import type { AnyNode, Document } from 'domhandler';
import { textContent } from 'domutils';
import {
type InternalOptions,
type CheerioOptions,
flattenOptions as flattenOptions,
} from './options.js';
import type { ExtractedMap, ExtractMap } from './api/extract.js';
/**
* Helper function to render a DOM.
*
* @param that - Cheerio instance to render.
* @param dom - The DOM to render. Defaults to `that`'s root.
* @param options - Options for rendering.
* @returns The rendered document.
*/
function render(
that: CheerioAPI,
dom: BasicAcceptedElems<AnyNode> | undefined,
options: InternalOptions,
): string {
if (!that) return '';
return that(dom ?? that._root.children, null, undefined, options).toString();
}
/**
* Checks if a passed object is an options object.
*
* @param dom - Object to check if it is an options object.
* @param options - Options object.
* @returns Whether the object is an options object.
*/
function isOptions(
dom?: BasicAcceptedElems<AnyNode> | CheerioOptions | null,
options?: CheerioOptions,
): dom is CheerioOptions {
return (
!options &&
typeof dom === 'object' &&
dom != null &&
!('length' in dom) &&
!('type' in dom)
);
}
/**
* Renders the document.
*
* @category Static
* @param options - Options for the renderer.
* @returns The rendered document.
*/
export function html(this: CheerioAPI, options?: CheerioOptions): string;
/**
* Renders the document.
*
* @category Static
* @param dom - Element to render.
* @param options - Options for the renderer.
* @returns The rendered document.
*/
export function html(
this: CheerioAPI,
dom?: BasicAcceptedElems<AnyNode>,
options?: CheerioOptions,
): string;
export function html(
this: CheerioAPI,
dom?: BasicAcceptedElems<AnyNode> | CheerioOptions,
options?: CheerioOptions,
): string {
/*
* Be flexible about parameters, sometimes we call html(),
* with options as only parameter
* check dom argument for dom element specific properties
* assume there is no 'length' or 'type' properties in the options object
*/
const toRender = isOptions(dom) ? ((options = dom), undefined) : dom;
/*
* Sometimes `$.html()` is used without preloading html,
* so fallback non-existing options to the default ones.
*/
const opts = {
...this?._options,
...flattenOptions(options),
};
return render(this, toRender, opts);
}
/**
* Render the document as XML.
*
* @category Static
* @param dom - Element to render.
* @returns THe rendered document.
*/
export function xml(
this: CheerioAPI,
dom?: BasicAcceptedElems<AnyNode>,
): string {
const options = { ...this._options, xmlMode: true };
return render(this, dom, options);
}
/**
* Render the document as text.
*
* This returns the `textContent` of the passed elements. The result will
* include the contents of `<script>` and `<style>` elements. To avoid this, use
* `.prop('innerText')` instead.
*
* @category Static
* @param elements - Elements to render.
* @returns The rendered document.
*/
export function text(
this: CheerioAPI | void,
elements?: ArrayLike<AnyNode>,
): string {
const elems = elements ?? (this ? this.root() : []);
let ret = '';
for (let i = 0; i < elems.length; i++) {
ret += textContent(elems[i]);
}
return ret;
}
/**
* Parses a string into an array of DOM nodes. The `context` argument has no
* meaning for Cheerio, but it is maintained for API compatibility with jQuery.
*
* @category Static
* @param data - Markup that will be parsed.
* @param context - Will be ignored. If it is a boolean it will be used as the
* value of `keepScripts`.
* @param keepScripts - If false all scripts will be removed.
* @returns The parsed DOM.
* @alias Cheerio.parseHTML
* @see {@link https://api.jquery.com/jQuery.parseHTML/}
*/
export function parseHTML(
this: CheerioAPI,
data: string,
context?: unknown | boolean,
keepScripts?: boolean,
): AnyNode[];
export function parseHTML(this: CheerioAPI, data?: '' | null): null;
export function parseHTML(
this: CheerioAPI,
data?: string | null,
context?: unknown | boolean,
keepScripts = typeof context === 'boolean' ? context : false,
): AnyNode[] | null {
if (!data || typeof data !== 'string') {
return null;
}
if (typeof context === 'boolean') {
keepScripts = context;
}
const parsed = this.load(data, this._options, false);
if (!keepScripts) {
parsed('script').remove();
}
/*
* The `children` array is used by Cheerio internally to group elements that
* share the same parents. When nodes created through `parseHTML` are
* inserted into previously-existing DOM structures, they will be removed
* from the `children` array. The results of `parseHTML` should remain
* constant across these operations, so a shallow copy should be returned.
*/
return [...parsed.root()[0].children];
}
/**
* Sometimes you need to work with the top-level root element. To query it, you
* can use `$.root()`.
*
* @category Static
* @example
*
* ```js
* $.root().append('<ul id="vegetables"></ul>').html();
* //=> <ul id="fruits">...</ul><ul id="vegetables"></ul>
* ```
*
* @returns Cheerio instance wrapping the root node.
* @alias Cheerio.root
*/
export function root(this: CheerioAPI): Cheerio<Document> {
return this(this._root);
}
/**
* Checks to see if the `contained` DOM element is a descendant of the
* `container` DOM element.
*
* @category Static
* @param container - Potential parent node.
* @param contained - Potential child node.
* @returns Indicates if the nodes contain one another.
* @alias Cheerio.contains
* @see {@link https://api.jquery.com/jQuery.contains/}
*/
export function contains(container: AnyNode, contained: AnyNode): boolean {
// According to the jQuery API, an element does not "contain" itself
if (contained === container) {
return false;
}
/*
* Step up the descendants, stopping when the root element is reached
* (signaled by `.parent` returning a reference to the same object)
*/
let next: AnyNode | null = contained;
while (next && next !== next.parent) {
next = next.parent;
if (next === container) {
return true;
}
}
return false;
}
/**
* Extract multiple values from a document, and store them in an object.
*
* @category Static
* @param map - An object containing key-value pairs. The keys are the names of
* the properties to be created on the object, and the values are the
* selectors to be used to extract the values.
* @returns An object containing the extracted values.
*/
export function extract<M extends ExtractMap>(
this: CheerioAPI,
map: M,
): ExtractedMap<M> {
return this.root().extract(map);
}
type Writable<T> = { -readonly [P in keyof T]: T[P] };
/**
* $.merge().
*
* @category Static
* @param arr1 - First array.
* @param arr2 - Second array.
* @returns `arr1`, with elements of `arr2` inserted.
* @alias Cheerio.merge
* @see {@link https://api.jquery.com/jQuery.merge/}
*/
export function merge<T>(
arr1: Writable<ArrayLike<T>>,
arr2: ArrayLike<T>,
): ArrayLike<T> | undefined {
if (!isArrayLike(arr1) || !isArrayLike(arr2)) {
return;
}
let newLength = arr1.length;
const len = +arr2.length;
for (let i = 0; i < len; i++) {
arr1[newLength++] = arr2[i];
}
arr1.length = newLength;
return arr1;
}
/**
* Checks if an object is array-like.
*
* @category Static
* @param item - Item to check.
* @returns Indicates if the item is array-like.
*/
function isArrayLike(item: unknown): item is ArrayLike<unknown> {
if (Array.isArray(item)) {
return true;
}
if (
typeof item !== 'object' ||
item === null ||
!('length' in item) ||
typeof item.length !== 'number' ||
item.length < 0
) {
return false;
}
for (let i = 0; i < item.length; i++) {
if (!(i in item)) {
return false;
}
}
return true;
}

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/** @file Types used in signatures of Cheerio methods. */
type LowercaseLetters =
| 'a'
| 'b'
| 'c'
| 'd'
| 'e'
| 'f'
| 'g'
| 'h'
| 'i'
| 'j'
| 'k'
| 'l'
| 'm'
| 'n'
| 'o'
| 'p'
| 'q'
| 'r'
| 's'
| 't'
| 'u'
| 'v'
| 'w'
| 'x'
| 'y'
| 'z';
type AlphaNumeric =
| LowercaseLetters
| Uppercase<LowercaseLetters>
| `${number}`;
type SelectorSpecial = '.' | '#' | ':' | '|' | '>' | '+' | '~' | '[';
/**
* Type for identifying selectors. Allows us to "upgrade" queries using
* selectors to return `Element`s.
*/
export type SelectorType =
| `${SelectorSpecial}${AlphaNumeric}${string}`
| `${AlphaNumeric}${string}`;
import type { Cheerio } from './cheerio.js';
import type { AnyNode } from 'domhandler';
/** Elements that can be passed to manipulation methods. */
export type BasicAcceptedElems<T extends AnyNode> = ArrayLike<T> | T | string;
/** Elements that can be passed to manipulation methods, including functions. */
export type AcceptedElems<T extends AnyNode> =
| BasicAcceptedElems<T>
| ((this: T, i: number, el: T) => BasicAcceptedElems<T>);
/** Function signature, for traversal methods. */
export type FilterFunction<T> = (this: T, i: number, el: T) => boolean;
/** Supported filter types, for traversal methods. */
export type AcceptedFilters<T> = string | FilterFunction<T> | T | Cheerio<T>;

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import { describe, it, expect } from 'vitest';
import * as utils from './utils.js';
describe('util functions', () => {
it('camelCase function test', () => {
expect(utils.camelCase('cheerio.js')).toBe('cheerioJs');
expect(utils.camelCase('camel-case-')).toBe('camelCase');
expect(utils.camelCase('__directory__')).toBe('_directory_');
expect(utils.camelCase('_one-two.three')).toBe('OneTwoThree');
});
it('cssCase function test', () => {
expect(utils.cssCase('camelCase')).toBe('camel-case');
expect(utils.cssCase('jQuery')).toBe('j-query');
expect(utils.cssCase('neverSayNever')).toBe('never-say-never');
expect(utils.cssCase('CSSCase')).toBe('-c-s-s-case');
});
it('isHtml function test', () => {
expect(utils.isHtml('<html>')).toBe(true);
expect(utils.isHtml('\n<html>\n')).toBe(true);
expect(utils.isHtml('#main')).toBe(false);
expect(utils.isHtml('\n<p>foo<p>bar\n')).toBe(true);
expect(utils.isHtml('dog<p>fox<p>cat')).toBe(true);
expect(utils.isHtml('<p>fox<p>cat')).toBe(true);
expect(utils.isHtml('\n<p>fox<p>cat\n')).toBe(true);
expect(utils.isHtml('#<p>fox<p>cat#')).toBe(true);
expect(utils.isHtml('<!-- comment -->')).toBe(true);
expect(utils.isHtml('<!doctype html>')).toBe(true);
expect(utils.isHtml('<123>')).toBe(false);
});
});

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import type { AnyNode } from 'domhandler';
import type { Cheerio } from './cheerio.js';
/**
* Checks if an object is a Cheerio instance.
*
* @category Utils
* @param maybeCheerio - The object to check.
* @returns Whether the object is a Cheerio instance.
*/
export function isCheerio<T>(maybeCheerio: any): maybeCheerio is Cheerio<T> {
return maybeCheerio.cheerio != null;
}
/**
* Convert a string to camel case notation.
*
* @private
* @category Utils
* @param str - The string to be converted.
* @returns String in camel case notation.
*/
export function camelCase(str: string): string {
return str.replace(/[._-](\w|$)/g, (_, x) => x.toUpperCase());
}
/**
* Convert a string from camel case to "CSS case", where word boundaries are
* described by hyphens ("-") and all characters are lower-case.
*
* @private
* @category Utils
* @param str - The string to be converted.
* @returns String in "CSS case".
*/
export function cssCase(str: string): string {
return str.replace(/[A-Z]/g, '-$&').toLowerCase();
}
/**
* Iterate over each DOM element without creating intermediary Cheerio
* instances.
*
* This is indented for use internally to avoid otherwise unnecessary memory
* pressure introduced by _make.
*
* @category Utils
* @param array - The array to iterate over.
* @param fn - Function to call.
* @returns The original instance.
*/
export function domEach<
T extends AnyNode,
Arr extends ArrayLike<T> = Cheerio<T>,
>(array: Arr, fn: (elem: T, index: number) => void): Arr {
const len = array.length;
for (let i = 0; i < len; i++) fn(array[i], i);
return array;
}
const enum CharacterCodes {
LowerA = 97,
LowerZ = 122,
UpperA = 65,
UpperZ = 90,
Exclamation = 33,
}
/**
* Check if string is HTML.
*
* Tests for a `<` within a string, immediate followed by a letter and
* eventually followed by a `>`.
*
* @private
* @category Utils
* @param str - The string to check.
* @returns Indicates if `str` is HTML.
*/
export function isHtml(str: string): boolean {
const tagStart = str.indexOf('<');
if (tagStart < 0 || tagStart > str.length - 3) return false;
const tagChar = str.charCodeAt(tagStart + 1);
return (
((tagChar >= CharacterCodes.LowerA && tagChar <= CharacterCodes.LowerZ) ||
(tagChar >= CharacterCodes.UpperA && tagChar <= CharacterCodes.UpperZ) ||
tagChar === CharacterCodes.Exclamation) &&
str.includes('>', tagStart + 2)
);
}