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@ -1,39 +1,12 @@
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import { assert } from 'vitest';
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/** @type {HTMLDivElement} */
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let _container;
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/**
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* @param {string} html
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* @param {{
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* removeDataSvelte?: boolean,
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* preserveComments?: boolean,
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* }} options
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*/
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export function normalize_html(html, options = {}) {
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const container = (_container ??= document.createElement('div'));
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if (!options.preserveComments) {
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html = html.replace(/(<!--.*?-->)/g, '');
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}
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if (options.removeDataSvelte) {
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html = html.replace(/(data-svelte-h="[^"]+")/g, '');
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}
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html = html.replace(/>[ \t\n\r\f]+</g, '><').trim();
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container.innerHTML = html;
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clean_children(container);
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return container.innerHTML.replace(/<\/?noscript\/?>/g, '');
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}
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/** @param {any} node */
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function clean_children(node) {
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let previous = null;
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// sort attributes
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const attributes = Array.from(node.attributes).sort((a, b) => (a.name < b.name ? -1 : 1));
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const attributes = Array.from(node.attributes).sort((a, b) => {
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return a.name < b.name ? -1 : 1;
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});
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attributes.forEach((attr) => {
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node.removeAttribute(attr.name);
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@ -43,9 +16,7 @@ function clean_children(node) {
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node.setAttribute(attr.name, attr.value);
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});
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let previous = null;
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// recurse
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[...node.childNodes].forEach((child) => {
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for (let child of [...node.childNodes]) {
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if (child.nodeType === 3) {
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// text
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if (
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@ -73,7 +44,7 @@ function clean_children(node) {
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}
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previous = child;
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});
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}
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// collapse whitespace
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if (node.firstChild && node.firstChild.nodeType === 3) {
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@ -88,40 +59,99 @@ function clean_children(node) {
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}
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/**
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*
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* @param {string} actual
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* @param {string} expected
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* @param {{
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* message?: string,
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* normalize_html?: {
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* removeDataSvelte?: boolean,
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* preserveComments?: boolean,
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* },
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* without_normalize?: boolean,
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* }} options
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* @param {Window} window
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* @param {string} html
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* @param {{ removeDataSvelte?: boolean, preserveComments?: boolean }} param2
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*/
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export function assert_html_equal(actual, expected, options = {}) {
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if (options.without_normalize) {
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actual = actual.replace(/\r\n/g, '\n');
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expected = expected.replace(/\r\n/g, '\n');
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if (options.normalize_html.removeDataSvelte) {
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actual = actual.replace(/(\sdata-svelte-h="[^"]+")/g, '');
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expected = expected.replace(/(\sdata-svelte-h="[^"]+")/g, '');
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}
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} else {
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actual = normalize_html(actual, options.normalize_html);
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expected = normalize_html(expected, options.normalize_html);
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}
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export function normalize_html(
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window,
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html,
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{ removeDataSvelte = false, preserveComments = false }
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) {
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try {
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assert.equal(actual, expected, options.message);
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const node = window.document.createElement('div');
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node.innerHTML = html
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.replace(/(<!--.*?-->)/g, preserveComments ? '$1' : '')
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.replace(/(data-svelte-h="[^"]+")/g, removeDataSvelte ? '' : '$1')
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.replace(/>[ \t\n\r\f]+</g, '><')
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.trim();
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clean_children(node);
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return node.innerHTML.replace(/<\/?noscript\/?>/g, '');
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} catch (err) {
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// Remove this function from the stack trace so that the error is shown in the test file
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throw new Error(`Failed to normalize HTML:\n${html}`);
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}
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}
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/**
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* @param {string} html
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* @returns {string}
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*/
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export function normalize_new_line(html) {
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return html.replace(/\r\n/g, '\n');
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}
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if (Error.captureStackTrace) {
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Error.captureStackTrace(err, assert_html_equal);
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/**
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* @param {{ removeDataSvelte?: boolean }} options
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*/
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export function setup_html_equal(options = {}) {
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/**
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* @param {string} actual
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* @param {string} expected
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* @param {string} [message]
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*/
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const assert_html_equal = (actual, expected, message) => {
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try {
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assert.deepEqual(
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normalize_html(window, actual, options),
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normalize_html(window, expected, options),
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message
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);
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} catch (e) {
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if (Error.captureStackTrace) Error.captureStackTrace(e, assert_html_equal);
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throw e;
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}
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throw err;
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}
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};
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/**
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*
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* @param {string} actual
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* @param {string} expected
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* @param {{ preserveComments?: boolean, withoutNormalizeHtml?: boolean }} param2
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* @param {string} [message]
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*/
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const assert_html_equal_with_options = (
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actual,
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expected,
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{ preserveComments, withoutNormalizeHtml },
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message
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) => {
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try {
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assert.deepEqual(
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withoutNormalizeHtml
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? normalize_new_line(actual).replace(
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/(\sdata-svelte-h="[^"]+")/g,
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options.removeDataSvelte ? '' : '$1'
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)
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: normalize_html(window, actual, { ...options, preserveComments }),
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withoutNormalizeHtml
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? normalize_new_line(expected).replace(
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/(\sdata-svelte-h="[^"]+")/g,
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options.removeDataSvelte ? '' : '$1'
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)
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: normalize_html(window, expected, { ...options, preserveComments }),
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message
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);
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} catch (e) {
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if (Error.captureStackTrace) Error.captureStackTrace(e, assert_html_equal_with_options);
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throw e;
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}
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};
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return {
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assert_html_equal,
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assert_html_equal_with_options
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};
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}
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// Common case without options
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export const { assert_html_equal, assert_html_equal_with_options } = setup_html_equal();
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gtmnayan
1 year ago
committed by
GitHub