projecte_ionic/node_modules/@stencil/core/screenshot/index.js
2022-02-09 18:30:03 +01:00

660 lines
25 KiB
JavaScript
Executable file

'use strict';
const fs = require('fs');
const path = require('path');
const os = require('os');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
const fs__default = /*#__PURE__*/_interopDefaultLegacy(fs);
const path__default = /*#__PURE__*/_interopDefaultLegacy(path);
function fileExists(filePath) {
return new Promise((resolve) => {
fs__default['default'].access(filePath, (err) => resolve(!err));
});
}
function readFile(filePath) {
return new Promise((resolve, reject) => {
fs__default['default'].readFile(filePath, 'utf-8', (err, data) => {
if (err) {
reject(err);
}
else {
resolve(data);
}
});
});
}
function readFileBuffer(filePath) {
return new Promise((resolve, reject) => {
fs__default['default'].readFile(filePath, (err, data) => {
if (err) {
reject(err);
}
else {
resolve(data);
}
});
});
}
function writeFile(filePath, data) {
return new Promise((resolve, reject) => {
fs__default['default'].writeFile(filePath, data, (err) => {
if (err) {
reject(err);
}
else {
resolve();
}
});
});
}
function mkDir(filePath) {
return new Promise((resolve) => {
fs__default['default'].mkdir(filePath, () => {
resolve();
});
});
}
function rmDir(filePath) {
return new Promise((resolve) => {
fs__default['default'].rmdir(filePath, () => {
resolve();
});
});
}
async function emptyDir(dir) {
const files = await readDir(dir);
const promises = files.map(async (fileName) => {
const filePath = path__default['default'].join(dir, fileName);
const isDirFile = await isFile(filePath);
if (isDirFile) {
await unlink(filePath);
}
});
await Promise.all(promises);
}
async function readDir(dir) {
return new Promise((resolve) => {
fs__default['default'].readdir(dir, (err, files) => {
if (err) {
resolve([]);
}
else {
resolve(files);
}
});
});
}
async function isFile(itemPath) {
return new Promise((resolve) => {
fs__default['default'].stat(itemPath, (err, stat) => {
if (err) {
resolve(false);
}
else {
resolve(stat.isFile());
}
});
});
}
async function unlink(filePath) {
return new Promise((resolve) => {
fs__default['default'].unlink(filePath, () => {
resolve();
});
});
}
class ScreenshotConnector {
constructor() {
this.screenshotDirName = 'screenshot';
this.imagesDirName = 'images';
this.buildsDirName = 'builds';
this.masterBuildFileName = 'master.json';
this.screenshotCacheFileName = 'screenshot-cache.json';
}
async initBuild(opts) {
this.logger = opts.logger;
this.buildId = opts.buildId;
this.buildMessage = opts.buildMessage || '';
this.buildAuthor = opts.buildAuthor;
this.buildUrl = opts.buildUrl;
this.previewUrl = opts.previewUrl;
(this.buildTimestamp = typeof opts.buildTimestamp === 'number' ? opts.buildTimestamp : Date.now()),
(this.cacheDir = opts.cacheDir);
this.packageDir = opts.packageDir;
this.rootDir = opts.rootDir;
this.appNamespace = opts.appNamespace;
this.waitBeforeScreenshot = opts.waitBeforeScreenshot;
this.pixelmatchModulePath = opts.pixelmatchModulePath;
if (!opts.logger) {
throw new Error(`logger option required`);
}
if (typeof opts.buildId !== 'string') {
throw new Error(`buildId option required`);
}
if (typeof opts.cacheDir !== 'string') {
throw new Error(`cacheDir option required`);
}
if (typeof opts.packageDir !== 'string') {
throw new Error(`packageDir option required`);
}
if (typeof opts.rootDir !== 'string') {
throw new Error(`rootDir option required`);
}
this.updateMaster = !!opts.updateMaster;
this.allowableMismatchedPixels = opts.allowableMismatchedPixels;
this.allowableMismatchedRatio = opts.allowableMismatchedRatio;
this.pixelmatchThreshold = opts.pixelmatchThreshold;
this.logger.debug(`screenshot build: ${this.buildId}, ${this.buildMessage}, updateMaster: ${this.updateMaster}`);
this.logger.debug(`screenshot, allowableMismatchedPixels: ${this.allowableMismatchedPixels}, allowableMismatchedRatio: ${this.allowableMismatchedRatio}, pixelmatchThreshold: ${this.pixelmatchThreshold}`);
if (typeof opts.screenshotDirName === 'string') {
this.screenshotDirName = opts.screenshotDirName;
}
if (typeof opts.imagesDirName === 'string') {
this.imagesDirName = opts.imagesDirName;
}
if (typeof opts.buildsDirName === 'string') {
this.buildsDirName = opts.buildsDirName;
}
this.screenshotDir = path.join(this.rootDir, this.screenshotDirName);
this.imagesDir = path.join(this.screenshotDir, this.imagesDirName);
this.buildsDir = path.join(this.screenshotDir, this.buildsDirName);
this.masterBuildFilePath = path.join(this.buildsDir, this.masterBuildFileName);
this.screenshotCacheFilePath = path.join(this.cacheDir, this.screenshotCacheFileName);
this.currentBuildDir = path.join(os.tmpdir(), 'screenshot-build-' + this.buildId);
this.logger.debug(`screenshotDirPath: ${this.screenshotDir}`);
this.logger.debug(`imagesDirPath: ${this.imagesDir}`);
this.logger.debug(`buildsDirPath: ${this.buildsDir}`);
this.logger.debug(`currentBuildDir: ${this.currentBuildDir}`);
this.logger.debug(`cacheDir: ${this.cacheDir}`);
await mkDir(this.screenshotDir);
await Promise.all([
mkDir(this.imagesDir),
mkDir(this.buildsDir),
mkDir(this.currentBuildDir),
mkDir(this.cacheDir),
]);
}
async pullMasterBuild() {
/**/
}
async getMasterBuild() {
let masterBuild = null;
try {
masterBuild = JSON.parse(await readFile(this.masterBuildFilePath));
}
catch (e) { }
return masterBuild;
}
async completeBuild(masterBuild) {
const filePaths = (await readDir(this.currentBuildDir))
.map((f) => path.join(this.currentBuildDir, f))
.filter((f) => f.endsWith('.json'));
const screenshots = await Promise.all(filePaths.map(async (f) => JSON.parse(await readFile(f))));
this.sortScreenshots(screenshots);
if (!masterBuild) {
masterBuild = {
id: this.buildId,
message: this.buildMessage,
author: this.buildAuthor,
url: this.buildUrl,
previewUrl: this.previewUrl,
appNamespace: this.appNamespace,
timestamp: this.buildTimestamp,
screenshots: screenshots,
};
}
const results = {
appNamespace: this.appNamespace,
masterBuild: masterBuild,
currentBuild: {
id: this.buildId,
message: this.buildMessage,
author: this.buildAuthor,
url: this.buildUrl,
previewUrl: this.previewUrl,
appNamespace: this.appNamespace,
timestamp: this.buildTimestamp,
screenshots: screenshots,
},
compare: {
id: `${masterBuild.id}-${this.buildId}`,
a: {
id: masterBuild.id,
message: masterBuild.message,
author: masterBuild.author,
url: masterBuild.url,
previewUrl: masterBuild.previewUrl,
},
b: {
id: this.buildId,
message: this.buildMessage,
author: this.buildAuthor,
url: this.buildUrl,
previewUrl: this.previewUrl,
},
url: null,
appNamespace: this.appNamespace,
timestamp: this.buildTimestamp,
diffs: [],
},
};
results.currentBuild.screenshots.forEach((screenshot) => {
screenshot.diff.device = screenshot.diff.device || screenshot.diff.userAgent;
results.compare.diffs.push(screenshot.diff);
delete screenshot.diff;
});
this.sortCompares(results.compare.diffs);
await emptyDir(this.currentBuildDir);
await rmDir(this.currentBuildDir);
return results;
}
async publishBuild(results) {
return results;
}
async generateJsonpDataUris(build) {
if (build && Array.isArray(build.screenshots)) {
for (let i = 0; i < build.screenshots.length; i++) {
const screenshot = build.screenshots[i];
const jsonpFileName = `screenshot_${screenshot.image}.js`;
const jsonFilePath = path.join(this.cacheDir, jsonpFileName);
const jsonpExists = await fileExists(jsonFilePath);
if (!jsonpExists) {
const imageFilePath = path.join(this.imagesDir, screenshot.image);
const imageBuf = await readFileBuffer(imageFilePath);
const jsonpContent = `loadScreenshot("${screenshot.image}","data:image/png;base64,${imageBuf.toString('base64')}");`;
await writeFile(jsonFilePath, jsonpContent);
}
}
}
}
async getScreenshotCache() {
return null;
}
async updateScreenshotCache(screenshotCache, buildResults) {
screenshotCache = screenshotCache || {};
screenshotCache.timestamp = this.buildTimestamp;
screenshotCache.lastBuildId = this.buildId;
screenshotCache.size = 0;
screenshotCache.items = screenshotCache.items || [];
if (buildResults && buildResults.compare && Array.isArray(buildResults.compare.diffs)) {
buildResults.compare.diffs.forEach((diff) => {
if (typeof diff.cacheKey !== 'string') {
return;
}
if (diff.imageA === diff.imageB) {
// no need to cache identical matches
return;
}
const existingItem = screenshotCache.items.find((i) => i.key === diff.cacheKey);
if (existingItem) {
// already have this cached, but update its timestamp
existingItem.ts = this.buildTimestamp;
}
else {
// add this item to the cache
screenshotCache.items.push({
key: diff.cacheKey,
ts: this.buildTimestamp,
mp: diff.mismatchedPixels,
});
}
});
}
// sort so the newest items are on top
screenshotCache.items.sort((a, b) => {
if (a.ts > b.ts)
return -1;
if (a.ts < b.ts)
return 1;
if (a.mp > b.mp)
return -1;
if (a.mp < b.mp)
return 1;
return 0;
});
// keep only the most recent items
screenshotCache.items = screenshotCache.items.slice(0, 1000);
screenshotCache.size = screenshotCache.items.length;
return screenshotCache;
}
toJson(masterBuild, screenshotCache) {
const masterScreenshots = {};
if (masterBuild && Array.isArray(masterBuild.screenshots)) {
masterBuild.screenshots.forEach((masterScreenshot) => {
masterScreenshots[masterScreenshot.id] = masterScreenshot.image;
});
}
const mismatchCache = {};
if (screenshotCache && Array.isArray(screenshotCache.items)) {
screenshotCache.items.forEach((cacheItem) => {
mismatchCache[cacheItem.key] = cacheItem.mp;
});
}
const screenshotBuild = {
buildId: this.buildId,
rootDir: this.rootDir,
screenshotDir: this.screenshotDir,
imagesDir: this.imagesDir,
buildsDir: this.buildsDir,
masterScreenshots: masterScreenshots,
cache: mismatchCache,
currentBuildDir: this.currentBuildDir,
updateMaster: this.updateMaster,
allowableMismatchedPixels: this.allowableMismatchedPixels,
allowableMismatchedRatio: this.allowableMismatchedRatio,
pixelmatchThreshold: this.pixelmatchThreshold,
timeoutBeforeScreenshot: this.waitBeforeScreenshot,
pixelmatchModulePath: this.pixelmatchModulePath,
};
return JSON.stringify(screenshotBuild);
}
sortScreenshots(screenshots) {
return screenshots.sort((a, b) => {
if (a.desc && b.desc) {
if (a.desc.toLowerCase() < b.desc.toLowerCase())
return -1;
if (a.desc.toLowerCase() > b.desc.toLowerCase())
return 1;
}
if (a.device && b.device) {
if (a.device.toLowerCase() < b.device.toLowerCase())
return -1;
if (a.device.toLowerCase() > b.device.toLowerCase())
return 1;
}
if (a.userAgent && b.userAgent) {
if (a.userAgent.toLowerCase() < b.userAgent.toLowerCase())
return -1;
if (a.userAgent.toLowerCase() > b.userAgent.toLowerCase())
return 1;
}
if (a.width < b.width)
return -1;
if (a.width > b.width)
return 1;
if (a.height < b.height)
return -1;
if (a.height > b.height)
return 1;
if (a.id < b.id)
return -1;
if (a.id > b.id)
return 1;
return 0;
});
}
sortCompares(compares) {
return compares.sort((a, b) => {
if (a.allowableMismatchedPixels > b.allowableMismatchedPixels)
return -1;
if (a.allowableMismatchedPixels < b.allowableMismatchedPixels)
return 1;
if (a.allowableMismatchedRatio > b.allowableMismatchedRatio)
return -1;
if (a.allowableMismatchedRatio < b.allowableMismatchedRatio)
return 1;
if (a.desc && b.desc) {
if (a.desc.toLowerCase() < b.desc.toLowerCase())
return -1;
if (a.desc.toLowerCase() > b.desc.toLowerCase())
return 1;
}
if (a.device && b.device) {
if (a.device.toLowerCase() < b.device.toLowerCase())
return -1;
if (a.device.toLowerCase() > b.device.toLowerCase())
return 1;
}
if (a.userAgent && b.userAgent) {
if (a.userAgent.toLowerCase() < b.userAgent.toLowerCase())
return -1;
if (a.userAgent.toLowerCase() > b.userAgent.toLowerCase())
return 1;
}
if (a.width < b.width)
return -1;
if (a.width > b.width)
return 1;
if (a.height < b.height)
return -1;
if (a.height > b.height)
return 1;
if (a.id < b.id)
return -1;
if (a.id > b.id)
return 1;
return 0;
});
}
}
/**
* Convert Windows backslash paths to slash paths: foo\\bar ➔ foo/bar
* Forward-slash paths can be used in Windows as long as they're not
* extended-length paths and don't contain any non-ascii characters.
* This was created since the path methods in Node.js outputs \\ paths on Windows.
*/
const normalizePath = (path) => {
if (typeof path !== 'string') {
throw new Error(`invalid path to normalize`);
}
path = normalizeSlashes(path.trim());
const components = pathComponents(path, getRootLength(path));
const reducedComponents = reducePathComponents(components);
const rootPart = reducedComponents[0];
const secondPart = reducedComponents[1];
const normalized = rootPart + reducedComponents.slice(1).join('/');
if (normalized === '') {
return '.';
}
if (rootPart === '' &&
secondPart &&
path.includes('/') &&
!secondPart.startsWith('.') &&
!secondPart.startsWith('@')) {
return './' + normalized;
}
return normalized;
};
const normalizeSlashes = (path) => path.replace(backslashRegExp, '/');
const altDirectorySeparator = '\\';
const urlSchemeSeparator = '://';
const backslashRegExp = /\\/g;
const reducePathComponents = (components) => {
if (!Array.isArray(components) || components.length === 0) {
return [];
}
const reduced = [components[0]];
for (let i = 1; i < components.length; i++) {
const component = components[i];
if (!component)
continue;
if (component === '.')
continue;
if (component === '..') {
if (reduced.length > 1) {
if (reduced[reduced.length - 1] !== '..') {
reduced.pop();
continue;
}
}
else if (reduced[0])
continue;
}
reduced.push(component);
}
return reduced;
};
const getRootLength = (path) => {
const rootLength = getEncodedRootLength(path);
return rootLength < 0 ? ~rootLength : rootLength;
};
const getEncodedRootLength = (path) => {
if (!path)
return 0;
const ch0 = path.charCodeAt(0);
// POSIX or UNC
if (ch0 === 47 /* slash */ || ch0 === 92 /* backslash */) {
if (path.charCodeAt(1) !== ch0)
return 1; // POSIX: "/" (or non-normalized "\")
const p1 = path.indexOf(ch0 === 47 /* slash */ ? '/' : altDirectorySeparator, 2);
if (p1 < 0)
return path.length; // UNC: "//server" or "\\server"
return p1 + 1; // UNC: "//server/" or "\\server\"
}
// DOS
if (isVolumeCharacter(ch0) && path.charCodeAt(1) === 58 /* colon */) {
const ch2 = path.charCodeAt(2);
if (ch2 === 47 /* slash */ || ch2 === 92 /* backslash */)
return 3; // DOS: "c:/" or "c:\"
if (path.length === 2)
return 2; // DOS: "c:" (but not "c:d")
}
// URL
const schemeEnd = path.indexOf(urlSchemeSeparator);
if (schemeEnd !== -1) {
const authorityStart = schemeEnd + urlSchemeSeparator.length;
const authorityEnd = path.indexOf('/', authorityStart);
if (authorityEnd !== -1) {
// URL: "file:///", "file://server/", "file://server/path"
// For local "file" URLs, include the leading DOS volume (if present).
// Per https://www.ietf.org/rfc/rfc1738.txt, a host of "" or "localhost" is a
// special case interpreted as "the machine from which the URL is being interpreted".
const scheme = path.slice(0, schemeEnd);
const authority = path.slice(authorityStart, authorityEnd);
if (scheme === 'file' &&
(authority === '' || authority === 'localhost') &&
isVolumeCharacter(path.charCodeAt(authorityEnd + 1))) {
const volumeSeparatorEnd = getFileUrlVolumeSeparatorEnd(path, authorityEnd + 2);
if (volumeSeparatorEnd !== -1) {
if (path.charCodeAt(volumeSeparatorEnd) === 47 /* slash */) {
// URL: "file:///c:/", "file://localhost/c:/", "file:///c%3a/", "file://localhost/c%3a/"
return ~(volumeSeparatorEnd + 1);
}
if (volumeSeparatorEnd === path.length) {
// URL: "file:///c:", "file://localhost/c:", "file:///c$3a", "file://localhost/c%3a"
// but not "file:///c:d" or "file:///c%3ad"
return ~volumeSeparatorEnd;
}
}
}
return ~(authorityEnd + 1); // URL: "file://server/", "http://server/"
}
return ~path.length; // URL: "file://server", "http://server"
}
// relative
return 0;
};
const isVolumeCharacter = (charCode) => (charCode >= 97 /* a */ && charCode <= 122 /* z */) ||
(charCode >= 65 /* A */ && charCode <= 90 /* Z */);
const getFileUrlVolumeSeparatorEnd = (url, start) => {
const ch0 = url.charCodeAt(start);
if (ch0 === 58 /* colon */)
return start + 1;
if (ch0 === 37 /* percent */ && url.charCodeAt(start + 1) === 51 /* _3 */) {
const ch2 = url.charCodeAt(start + 2);
if (ch2 === 97 /* a */ || ch2 === 65 /* A */)
return start + 3;
}
return -1;
};
const pathComponents = (path, rootLength) => {
const root = path.substring(0, rootLength);
const rest = path.substring(rootLength).split('/');
const restLen = rest.length;
if (restLen > 0 && !rest[restLen - 1]) {
rest.pop();
}
return [root, ...rest];
};
class ScreenshotLocalConnector extends ScreenshotConnector {
async publishBuild(results) {
if (this.updateMaster || !results.masterBuild) {
results.masterBuild = {
id: 'master',
message: 'Master',
appNamespace: this.appNamespace,
timestamp: Date.now(),
screenshots: [],
};
}
results.currentBuild.screenshots.forEach((currentScreenshot) => {
const masterHasScreenshot = results.masterBuild.screenshots.some((masterScreenshot) => {
return currentScreenshot.id === masterScreenshot.id;
});
if (!masterHasScreenshot) {
results.masterBuild.screenshots.push(Object.assign({}, currentScreenshot));
}
});
this.sortScreenshots(results.masterBuild.screenshots);
await writeFile(this.masterBuildFilePath, JSON.stringify(results.masterBuild, null, 2));
await this.generateJsonpDataUris(results.currentBuild);
const compareAppSourceDir = path.join(this.packageDir, 'screenshot', 'compare');
const appSrcUrl = normalizePath(path.relative(this.screenshotDir, compareAppSourceDir));
const imagesUrl = normalizePath(path.relative(this.screenshotDir, this.imagesDir));
const jsonpUrl = normalizePath(path.relative(this.screenshotDir, this.cacheDir));
const compareAppHtml = createLocalCompareApp(this.appNamespace, appSrcUrl, imagesUrl, jsonpUrl, results.masterBuild, results.currentBuild);
const compareAppFileName = 'compare.html';
const compareAppFilePath = path.join(this.screenshotDir, compareAppFileName);
await writeFile(compareAppFilePath, compareAppHtml);
const gitIgnorePath = path.join(this.screenshotDir, '.gitignore');
const gitIgnoreExists = await fileExists(gitIgnorePath);
if (!gitIgnoreExists) {
const content = [this.imagesDirName, this.buildsDirName, compareAppFileName];
await writeFile(gitIgnorePath, content.join('\n'));
}
const url = new URL(`file://${compareAppFilePath}`);
results.compare.url = url.href;
return results;
}
async getScreenshotCache() {
let screenshotCache = null;
try {
screenshotCache = JSON.parse(await readFile(this.screenshotCacheFilePath));
}
catch (e) { }
return screenshotCache;
}
async updateScreenshotCache(cache, buildResults) {
cache = await super.updateScreenshotCache(cache, buildResults);
await writeFile(this.screenshotCacheFilePath, JSON.stringify(cache, null, 2));
return cache;
}
}
function createLocalCompareApp(namespace, appSrcUrl, imagesUrl, jsonpUrl, a, b) {
return `<!doctype html>
<html dir="ltr" lang="en">
<head>
<meta charset="utf-8">
<title>Local ${namespace || ''} - Stencil Screenshot Visual Diff</title>
<meta name="viewport" content="viewport-fit=cover, width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta http-equiv="x-ua-compatible" content="IE=Edge">
<link href="${appSrcUrl}/build/app.css" rel="stylesheet">
<script type="module" src="${appSrcUrl}/build/app.esm.js"></script>
<script nomodule src="${appSrcUrl}/build/app.js"></script>
<link rel="icon" type="image/x-icon" href="${appSrcUrl}/assets/favicon.ico">
</head>
<body>
<script>
(function() {
var app = document.createElement('screenshot-compare');
app.appSrcUrl = '${appSrcUrl}';
app.imagesUrl = '${imagesUrl}/';
app.jsonpUrl = '${jsonpUrl}/';
app.a = ${JSON.stringify(a)};
app.b = ${JSON.stringify(b)};
document.body.appendChild(app);
})();
</script>
</body>
</html>`;
}
exports.ScreenshotConnector = ScreenshotConnector;
exports.ScreenshotLocalConnector = ScreenshotLocalConnector;