mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-18 19:39:51 +08:00
347 lines
11 KiB
TypeScript
347 lines
11 KiB
TypeScript
/* eslint-disable compat/compat */
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/* eslint-disable no-console, no-await-in-loop, import/no-extraneous-dependencies, lodash/import-scope, no-restricted-syntax */
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import path from 'path';
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import fs from 'fs';
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import os from 'os';
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import { Readable } from 'stream';
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import { finished } from 'stream/promises';
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import { remark } from 'remark';
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import remarkHtml from 'remark-html';
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import remarkGfm from 'remark-gfm';
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import minimist from 'minimist';
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import tar from 'tar';
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import fse from 'fs-extra';
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import chalk from 'chalk';
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import _ from 'lodash';
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import pixelmatch from 'pixelmatch';
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import { PNG } from 'pngjs';
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import sharp from 'sharp';
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import { assert } from 'console';
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const ALI_OSS_BUCKET = 'antd-visual-diff';
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const compareScreenshots = async (
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baseImgPath: string,
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currentImgPath: string,
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diffImagePath: string,
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): Promise<number> => {
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const baseImgBuf = await sharp(baseImgPath).toBuffer();
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const currentImgBuf = await sharp(currentImgPath).toBuffer();
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const basePng = PNG.sync.read(baseImgBuf);
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const targetWidth = basePng.width;
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const targetHeight = basePng.height;
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const comparePng = PNG.sync.read(
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await sharp(currentImgBuf)
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.resize({
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width: targetWidth,
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height: targetHeight,
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fit: sharp.fit.contain,
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background: { r: 255, g: 255, b: 255, alpha: 0 },
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})
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.png()
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.toBuffer(),
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);
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const diffPng = new PNG({ width: targetWidth, height: targetHeight });
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const mismatchedPixels = pixelmatch(
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basePng.data,
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comparePng.data,
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diffPng.data,
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targetWidth,
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targetHeight,
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{ threshold: 0.1, diffMask: false },
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);
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// if mismatched then write diff image
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if (mismatchedPixels) {
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diffPng.pack().pipe(fs.createWriteStream(diffImagePath));
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}
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return (mismatchedPixels / (targetWidth * targetHeight)) * 100;
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};
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const readPngs = (dir: string) => fs.readdirSync(dir).filter((n) => n.endsWith('.png'));
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const prettyList = (list: string[]) => list.map((i) => ` * ${i}`).join('\n');
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const ossDomain = `https://${ALI_OSS_BUCKET}.oss-cn-shanghai.aliyuncs.com`;
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async function downloadFile(url: string, destPath: string) {
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const response = await fetch(url);
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if (!response.ok || response.status !== 200) {
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throw new Error(`Download file failed: ${new URL(url).pathname}`);
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}
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// @ts-ignore
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const body = Readable.fromWeb(response.body);
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await finished(body.pipe(fs.createWriteStream(destPath)));
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}
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async function getBranchLatestRef(branchName: string) {
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const baseImageRefUrl = `${ossDomain}/${branchName}/visual-regression-ref.txt`;
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// get content from baseImageRefText
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const res = await fetch(baseImageRefUrl);
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const text = await res.text();
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const ref = text.trim();
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return ref;
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}
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async function downloadBaseSnapshots(ref: string, targetDir: string) {
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// download imageSnapshotsUrl
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const imageSnapshotsUrl = `${ossDomain}/${ref}/imageSnapshots.tar.gz`;
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const targzPath = path.resolve(os.tmpdir(), `./${path.basename(targetDir)}.tar.gz`);
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await downloadFile(imageSnapshotsUrl, targzPath);
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// untar
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return tar.x({
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// remove top-level dir
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strip: 1,
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C: targetDir,
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file: targzPath,
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});
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}
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interface IBadCase {
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type: 'removed' | 'changed';
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filename: string;
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}
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function md2Html(md: string) {
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return remark().use(remarkGfm).use(remarkHtml).processSync(md).toString();
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}
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function parseArgs() {
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// parse args from -- --pr-id=123 --base_ref=feature
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const argv = minimist(process.argv.slice(2));
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const prId = argv['pr-id'];
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assert(prId, 'Missing --pr-id');
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const baseRef = argv['base-ref'];
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assert(baseRef, 'Missing --base-ref');
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return {
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prId,
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baseRef,
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};
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}
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function generateReport(
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badCases: IBadCase[],
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targetBranch: string,
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targetRef: string,
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prId: string,
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): [string, string] {
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const publicPath = `${ossDomain}/pr-${prId}`;
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const commonHeader = `
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## Visual Regression Report for PR #${prId}
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> **Target branch:** ${targetBranch} (${targetRef})
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`.trim();
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if (badCases.length === 0) {
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const mdStr = [
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commonHeader,
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'------------------------',
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'Congrats! No visual-regression diff found',
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].join('\n');
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return [mdStr, md2Html(mdStr)];
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}
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const htmlReportLink = `${publicPath}/visualRegressionReport/report.html`;
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const addonFullReportDesc = `\n\nToo many visual-regression diffs found, please check <a href="${htmlReportLink}" target="_blank">Full Report</a> for details`;
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// github action pr comment has limit of 65536 4-byte unicode characters
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const limit = 65536 - addonFullReportDesc.length;
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let reportMdStr = `
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${commonHeader}
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> <a href="${htmlReportLink}" target="_blank">View Full Report</a> \n
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------------------------
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| image name | expected | actual | diff |
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| --- | --- | --- | --- |
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`.trim();
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reportMdStr += '\n';
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let fullVersionMd = reportMdStr;
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let addonFullReportDescAdded = false;
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for (const badCase of badCases) {
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const { filename, type } = badCase;
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let lineReportMdStr = '';
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if (type === 'changed') {
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lineReportMdStr += '| ';
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lineReportMdStr += [
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badCase.filename,
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``,
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``,
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``,
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].join(' | ');
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lineReportMdStr += ' |\n';
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} else if (type === 'removed') {
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lineReportMdStr += '| ';
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lineReportMdStr += [
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badCase.filename,
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``,
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`⛔️⛔️⛔️ Missing ⛔️⛔️⛔️`,
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`🚨🚨🚨 Removed 🚨🚨🚨`,
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].join(' | ');
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lineReportMdStr += ' |\n';
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}
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if (lineReportMdStr) {
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if (reportMdStr.length + lineReportMdStr.length < limit) {
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reportMdStr += lineReportMdStr;
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} else if (!addonFullReportDescAdded) {
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reportMdStr += addonFullReportDesc;
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addonFullReportDescAdded = true;
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}
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fullVersionMd += lineReportMdStr;
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}
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}
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// convert fullVersionMd to html
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return [reportMdStr, md2Html(fullVersionMd)];
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}
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async function boot() {
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const { prId, baseRef: targetBranch = 'master' } = parseArgs();
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console.log(
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chalk.green(
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'Preparing image snapshots from latest `%s` branch for pr %s\n',
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targetBranch,
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prId,
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),
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);
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const baseImgSourceDir = path.resolve(__dirname, `../../imageSnapshots-${targetBranch}`);
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await fse.ensureDir(baseImgSourceDir);
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const targetRef = await getBranchLatestRef(targetBranch);
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assert(targetRef, `Missing ref from ${targetBranch}`);
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await downloadBaseSnapshots(targetRef, baseImgSourceDir);
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const currentImgSourceDir = path.resolve(__dirname, '../../imageSnapshots');
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const reportDir = path.resolve(__dirname, '../../visualRegressionReport');
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// save diff images(x3) to reportDir
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const diffImgReportDir = path.resolve(reportDir, './images/diff');
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const baseImgReportDir = path.resolve(reportDir, './images/base');
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const currentImgReportDir = path.resolve(reportDir, './images/current');
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await fse.ensureDir(diffImgReportDir);
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await fse.ensureDir(baseImgReportDir);
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await fse.ensureDir(currentImgReportDir);
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console.log(chalk.blue('⛳ Checking image snapshots with branch %s'), targetBranch);
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console.log('\n');
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const baseImgFileList = readPngs(baseImgSourceDir);
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const currentImgFileList = readPngs(currentImgSourceDir);
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const deletedImgs = _.difference(baseImgFileList, currentImgFileList);
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if (deletedImgs.length) {
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console.log(
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chalk.red('⛔️ Missing images compare to %s:\n%s'),
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targetBranch,
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prettyList(deletedImgs),
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);
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console.log('\n');
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}
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// ignore new images
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const newImgs = _.difference(currentImgFileList, baseImgFileList);
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if (newImgs.length) {
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console.log(chalk.green('🆕 Added images:\n'), prettyList(newImgs));
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console.log('\n');
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}
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const badCases: IBadCase[] = [];
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// compare cssinjs and css-var png from pr
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// to the same cssinjs png in `master` branch
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const cssInJsImgNames = baseImgFileList
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.filter((i) => !i.endsWith('.css-var.png'))
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.map((n) => path.basename(n, path.extname(n)));
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for (const basename of cssInJsImgNames) {
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for (const extname of ['.png', '.css-var.png']) {
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// baseImg always use cssinjs png
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const baseImgName = `${basename}.png`;
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const baseImgPath = path.join(baseImgSourceDir, baseImgName);
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// currentImg use cssinjs png or css-var png
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const compareImgName = basename + extname;
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const currentImgPath = path.join(currentImgSourceDir, compareImgName);
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const diffImgPath = path.join(diffImgReportDir, compareImgName);
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const currentImgExists = await fse.exists(currentImgPath);
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if (!currentImgExists) {
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console.log(chalk.red(`⛔️ Missing image: ${compareImgName}\n`));
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badCases.push({
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type: 'removed',
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filename: compareImgName,
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});
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await fse.copy(baseImgPath, path.join(baseImgReportDir, compareImgName));
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continue;
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}
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const mismatchedPxPercent = await compareScreenshots(
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baseImgPath,
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currentImgPath,
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diffImgPath,
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);
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if (mismatchedPxPercent > 0) {
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console.log(
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'Mismatched pixels for:',
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chalk.yellow(compareImgName),
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`${mismatchedPxPercent.toFixed(2)}%\n`,
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);
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// copy compare imgs(x2) to report dir
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await fse.copy(baseImgPath, path.join(baseImgReportDir, compareImgName));
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await fse.copy(currentImgPath, path.join(currentImgReportDir, compareImgName));
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badCases.push({
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type: 'changed',
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filename: compareImgName,
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});
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} else {
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console.log('Passed for: %s\n', chalk.green(compareImgName));
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}
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}
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}
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if (badCases.length) {
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console.log(chalk.red('⛔️ Failed cases:\n'), prettyList(badCases.map((i) => i.filename)));
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console.log('\n');
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}
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const jsonl = badCases.map((i) => JSON.stringify(i)).join('\n');
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// write jsonl and markdown report to diffImgDir
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await fse.writeFile(path.join(reportDir, './report.jsonl'), jsonl);
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const [reportMdStr, reportHtmlStr] = generateReport(badCases, targetBranch, targetRef, prId);
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await fse.writeFile(path.join(reportDir, './report.md'), reportMdStr);
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const htmlTemplate = await fse.readFile(path.join(__dirname, './report-template.html'), 'utf8');
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await fse.writeFile(
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path.join(reportDir, './report.html'),
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htmlTemplate.replace('{{reportContent}}', reportHtmlStr),
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'utf-8',
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);
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await tar.c(
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{
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gzip: true,
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// ignore top-level dir(e.g. visualRegressionReport) and zip all files in it
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cwd: reportDir,
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file: `${path.basename(reportDir)}.tar.gz`,
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},
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await fse.readdir(reportDir),
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);
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}
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boot();
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