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import * as assert$1 from 'assert';
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import * as jsdom from 'jsdom';
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import glob from 'tiny-glob/sync';
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import * as path from 'path';
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import * as fs from 'fs';
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import * as colors from 'kleur';
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/**
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* @type {typeof assert$1 & { htmlEqual: (actual: string, expected: string, message?: string) => void, htmlEqualWithOptions: (actual: string, expected: string, options: { preserveComments?: boolean, withoutNormalizeHtml?: boolean }, message?: string) => void }}
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*/
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export const assert = /** @type {any} */ (assert$1);
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// for coverage purposes, we need to test source files,
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// but for sanity purposes, we need to test dist files
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export function loadSvelte(test = false) {
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process.env.TEST = test ? 'true' : '';
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const resolved = require.resolve('../compiler.js');
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delete require.cache[resolved];
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return require(resolved);
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}
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export const svelte = loadSvelte();
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export function exists(path) {
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try {
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fs.statSync(path);
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return true;
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} catch (err) {
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return false;
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}
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}
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export function tryToLoadJson(file) {
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try {
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return JSON.parse(fs.readFileSync(file, 'utf-8'));
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} catch (err) {
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if (err.code !== 'ENOENT') throw err;
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return null;
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}
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}
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export function tryToReadFile(file) {
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try {
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return fs.readFileSync(file, 'utf-8');
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} catch (err) {
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if (err.code !== 'ENOENT') throw err;
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return null;
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}
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}
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export function cleanRequireCache() {
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Object.keys(require.cache)
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.filter((x) => x.endsWith('.svelte'))
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.forEach((file) => delete require.cache[file]);
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}
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const virtualConsole = new jsdom.VirtualConsole();
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virtualConsole.sendTo(console);
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const window = new jsdom.JSDOM('<main></main>', { virtualConsole }).window;
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global.document = window.document;
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global.navigator = window.navigator;
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global.getComputedStyle = window.getComputedStyle;
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global.requestAnimationFrame = null; // placeholder, filled in using set_raf
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global.window = window;
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// add missing ecmascript globals to window
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for (const key of Object.getOwnPropertyNames(global)) {
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if (!(key in window)) window[key] = global[key];
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}
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// implement mock scroll
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window.scrollTo = function (pageXOffset, pageYOffset) {
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window.pageXOffset = pageXOffset;
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window.pageYOffset = pageYOffset;
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};
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export function env() {
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window.document.title = '';
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window.document.head.innerHTML = '';
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window.document.body.innerHTML = '<main></main>';
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return window;
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}
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function cleanChildren(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) => {
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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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});
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attributes.forEach((attr) => {
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node.setAttribute(attr.name, attr.value);
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});
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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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node.namespaceURI === 'http://www.w3.org/2000/svg' &&
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node.tagName !== 'text' &&
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node.tagName !== 'tspan'
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) {
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node.removeChild(child);
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}
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child.data = child.data.replace(/[ \t\n\r\f]+/g, '\n');
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if (previous && previous.nodeType === 3) {
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previous.data += child.data;
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previous.data = previous.data.replace(/[ \t\n\r\f]+/g, '\n');
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node.removeChild(child);
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child = previous;
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}
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} else if (child.nodeType === 8) {
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// comment
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// do nothing
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} else {
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cleanChildren(child);
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}
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previous = child;
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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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node.firstChild.data = node.firstChild.data.replace(/^[ \t\n\r\f]+/, '');
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if (!node.firstChild.data.length) node.removeChild(node.firstChild);
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}
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if (node.lastChild && node.lastChild.nodeType === 3) {
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node.lastChild.data = node.lastChild.data.replace(/[ \t\n\r\f]+$/, '');
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if (!node.lastChild.data.length) node.removeChild(node.lastChild);
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}
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}
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/**
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*
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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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* @returns
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*/
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export function normalizeHtml(
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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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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 ? '' : '$1')
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.replace(/>[ \t\n\r\f]+</g, '><')
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.trim();
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cleanChildren(node);
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return node.innerHTML.replace(/<\/?noscript\/?>/g, '');
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} catch (err) {
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|
throw new Error(`Failed to normalize HTML:\n${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 normalizeNewline(html) {
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return html.replace(/\r\n/g, '\n');
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}
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/**
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* @param {{ removeDataSvelte?: boolean }} options
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*/
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|
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export function setupHtmlEqual(options = {}) {
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|
const window = env();
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// eslint-disable-next-line no-import-assign
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assert.htmlEqual = (actual, expected, message) => {
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|
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assert.deepEqual(
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normalizeHtml(window, actual, options),
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normalizeHtml(window, expected, options),
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message
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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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assert.htmlEqualWithOptions = (
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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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|
assert.deepEqual(
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withoutNormalizeHtml
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|
|
? normalizeNewline(actual).replace(
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|
|
/(\sdata-svelte-h="[^"]+")/g,
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|
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options.removeDataSvelte ? '' : '$1'
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)
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: normalizeHtml(window, actual, { ...options, preserveComments }),
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|
withoutNormalizeHtml
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|
|
? normalizeNewline(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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: normalizeHtml(window, expected, { ...options, preserveComments }),
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message
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);
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|
};
|
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}
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export function loadConfig(file) {
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|
try {
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|
|
const resolved = require.resolve(file);
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|
delete require.cache[resolved];
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|
|
const config = require(resolved);
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|
|
return config.default || config;
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|
|
} catch (err) {
|
|
|
|
if (err.code === 'MODULE_NOT_FOUND') {
|
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|
|
return {};
|
|
|
|
}
|
|
|
|
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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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export function addLineNumbers(code) {
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|
|
return code
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|
.split('\n')
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.map((line, i) => {
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|
|
i = String(i + 1);
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|
|
while (i.length < 3) i = ` ${i}`;
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return (
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|
|
colors.gray(` ${i}: `) + line.replace(/^\t+/, (match) => match.split('\t').join(' '))
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);
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})
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|
.join('\n');
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|
|
}
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|
|
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|
|
export function showOutput(cwd, options = {}, compile = svelte.compile) {
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|
|
glob('**/*.svelte', { cwd }).forEach((file) => {
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|
|
if (file[0] === '_') return;
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|
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|
try {
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|
|
const { js } = compile(
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|
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fs.readFileSync(`${cwd}/${file}`, 'utf-8'),
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|
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Object.assign(options, {
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|
|
filename: file
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|
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})
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|
|
);
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|
|
|
|
|
|
console.log(
|
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|
|
// eslint-disable-line no-console
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|
|
`\n>> ${colors.cyan().bold(file)}\n${addLineNumbers(js.code)}\n<< ${colors
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|
|
|
.cyan()
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|
|
.bold(file)}`
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|
|
);
|
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|
|
} catch (err) {
|
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|
|
console.log(`failed to generate output: ${err.message}`);
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|
|
}
|
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|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
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export function shouldUpdateExpected() {
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|
|
return process.argv.includes('--update');
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|
|
}
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|
|
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|
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export function spaces(i) {
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|
|
let result = '';
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|
|
while (i--) result += ' ';
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|
|
return result;
|
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|
|
}
|
|
|
|
|
|
|
|
// fake timers
|
|
|
|
const original_set_timeout = global.setTimeout;
|
|
|
|
|
|
|
|
export function useFakeTimers() {
|
|
|
|
const callbacks = [];
|
|
|
|
|
|
|
|
// @ts-ignore
|
|
|
|
global.setTimeout = function (fn) {
|
|
|
|
callbacks.push(fn);
|
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|
|
};
|
|
|
|
|
|
|
|
return {
|
|
|
|
flush() {
|
|
|
|
callbacks.forEach((fn) => fn());
|
|
|
|
callbacks.splice(0, callbacks.length);
|
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|
|
},
|
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|
|
removeFakeTimers() {
|
|
|
|
callbacks.splice(0, callbacks.length);
|
|
|
|
global.setTimeout = original_set_timeout;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
export function mkdirp(dir) {
|
|
|
|
const parent = path.dirname(dir);
|
|
|
|
if (parent === dir) return;
|
|
|
|
|
|
|
|
mkdirp(parent);
|
|
|
|
|
|
|
|
try {
|
|
|
|
fs.mkdirSync(dir);
|
|
|
|
} catch (err) {
|
|
|
|
// do nothing
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
export function prettyPrintBrowserAssertionError(message) {
|
|
|
|
const match = /Error: Expected "(.+)" to equal "(.+)"/.exec(message);
|
|
|
|
|
|
|
|
if (match) {
|
|
|
|
assert.equal(match[1], match[2]);
|
|
|
|
}
|
|
|
|
}
|