逐步完成前后端服务器

frontend/node_modules/zrender/build/build.js

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+// const typescript = require('@rollup/plugin-typescript');
+const typescript = require('rollup-plugin-typescript2');
+const replace = require('@rollup/plugin-replace');
+const rollup = require('rollup');
+const path = require('path');
+const processs = require('process');
+const chalk = require('chalk');
+const progress = require('./progress');
+const UglifyJS = require('uglify-js');
+const fs = require('fs');
+
+function current() {
+    return (new Date()).toLocaleString();
+}
+
+function createInputOption(env, isWatch) {
+    return {
+        input: path.resolve(__dirname, '../index.ts'),
+        plugins: [
+            typescript({
+                clean: !isWatch,
+                tsconfigOverride: {
+                    compilerOptions: {
+                        // Rollup don't use CommonJS by default.
+                        module: 'ES2015',
+                        sourceMap: true,
+                        // Use the esm d.ts
+                        declaration: false
+                    }
+                }
+            }),
+            replace({
+                preventAssignment: true,
+                'process.env.NODE_ENV': JSON.stringify(env)
+            }),
+            progress({
+                scope: {
+                    total: 0
+                }
+            })
+        ]
+    };
+}
+
+const outputOption = {
+    format: 'umd',
+    file: path.resolve(__dirname, '../dist/zrender.js'),
+    sourcemap: true,
+    name: 'zrender'
+};
+
+function minify(outPath) {
+    const code = fs.readFileSync(outPath, 'utf-8');
+    const uglifyResult = UglifyJS.minify(code);
+    if (uglifyResult.error) {
+        throw new Error(uglifyResult.error);
+    }
+    fs.writeFileSync(outPath, uglifyResult.code, 'utf-8');
+}
+
+if (processs.argv.includes('--watch')) {
+    const watcher = rollup.watch({
+        ...createInputOption('development', true),
+        output: [outputOption],
+        watch: {
+            clearScreen: true
+        }
+    });
+    watcher.on('event', event => {
+        switch(event.code) {
+            // case 'START':
+            //     console.log(chalk.green('Begin to watch'));
+            //     break;
+            case 'BUNDLE_START':
+                console.log(
+                    chalk.gray(current()),
+                    chalk.blue('File changed. Begin to bundle')
+                );
+                break;
+            case 'BUNDLE_END':
+                console.log(
+                    chalk.gray(current()),
+                    chalk.green('Finished bundle')
+                );
+                break;
+            case 'ERROR':
+                console.log(
+                    chalk.gray(current()),
+                    chalk.red(event.error)
+                );
+                break;
+        }
+    });
+}
+else {
+    // Unminified
+    rollup.rollup({
+        ...createInputOption('development', false)
+    }).then(bundle => {
+        bundle.write(outputOption)
+            .then(() => {
+                // Minified
+                if (process.argv.indexOf('--minify') >= 0) {
+                    rollup.rollup({
+                        ...createInputOption('production', false)
+                    }).then(bundle => {
+                        const file = outputOption.file.replace(/.js$/, '.min.js');
+                        bundle.write(Object.assign(outputOption, {
+                            file,
+                            sourcemap: false
+                        })).then(function () {
+                            minify(file);
+                        });
+                    });
+                }
+            });
+    });
+}

frontend/node_modules/zrender/build/package.json

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+{
+    "type": "commonjs"
+}

frontend/node_modules/zrender/build/prepareNightly.js

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+const fs = require('fs');
+const { execSync } = require('child_process');
+
+const packageJsonPath = __dirname + '/../package.json';
+const nightlyPackageName = 'zrender-nightly';
+
+function updateVersion(version) {
+    const isNext = process.argv.includes('--next');
+    const parts = /(\d+)\.(\d+)\.(\d+)($|\-)/.exec(version);
+    if (!parts) {
+        throw new Error(`Invalid version number ${version}`);
+    }
+    // Add date to version.
+    const major = +parts[1];
+    let minor = +parts[2];
+    let patch = +parts[3];
+    const isStable = !parts[4];
+    if (isStable) {
+        // It's previous stable version. Dev version should be higher.
+        if (isNext) {
+            // Increase minor version for next branch.
+            minor++;
+            patch = 0;
+        }
+        else {
+            // Increase main version for master branch.
+            patch++;
+        }
+    }
+
+    const date = new Date().toISOString().replace(/:|T|\.|-/g, '').slice(0, 8);
+    return `${major}.${minor}.${patch}-dev.${date}`;
+}
+
+
+const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf-8'));
+packageJson.name = nightlyPackageName;
+const version = updateVersion(packageJson.version);
+
+fs.writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2), 'utf-8');
+
+// Update version in package.json and package-lock.json
+execSync(`npm version ${version} --git-tag-version=false`);
+
+const entryPath = __dirname + '/../src/zrender.ts';
+const entryFile = fs.readFileSync(entryPath, 'utf-8')
+    .replace(/export const version = '\S+'/, `export const version = '${version}'`);
+fs.writeFileSync(entryPath, entryFile, 'utf-8');

frontend/node_modules/zrender/build/prepublish.js

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+const fs = require('fs-extra');
+const chalk = require('chalk');
+const ignore = require('ignore');
+const { execSync } = require('node:child_process');
+
+console.log();
+console.log(chalk.yellowBright(`⚠️ You should have run ${chalk.bold('`npm run release`')} before running this script!`));
+console.log();
+
+// check versions in key dist files
+
+console.log(chalk.yellow('🔎 Checking versions in dist files...'));
+
+const fileVersions = [
+    'package.json',
+    'package-lock.json',
+    'dist/zrender.js',
+    'dist/zrender.min.js'
+].map(filePath => ({
+    file: filePath,
+    version: require('../' + filePath).version
+}));
+
+['lib/zrender.js', 'src/zrender.ts'].forEach(filePath => {
+    const version = fs.readFileSync(filePath, 'utf-8').match(/export (?:var|const) version = '(\S+)'/)[1];
+    fileVersions.push({
+        file: filePath,
+        version: version
+    });
+});
+
+const versions = fileVersions.map(({ file, version }) => {
+    console.log(`  ∟ The version in [${chalk.blueBright(file)}] is ${chalk.cyanBright.bold(version)}`);
+    return version;
+});
+
+if (new Set(versions).size !== 1) {
+    console.log();
+    console.error(chalk.red('❌ Version does not match! Please check and rerun the release script via:'));
+    console.log();
+    console.error(chalk.yellow('     npm run release'));
+    console.log();
+    process.exit(-1);
+}
+
+console.log();
+console.log(chalk.green('✔️ Versions are all the same.'));
+console.log();
+
+console.log(chalk.yellow('🔎 Checking unexpected files that probably shouldn\'t be published...\n'));
+
+// check if there are unexpected files that not in .npmignore
+const npmignore = fs.readFileSync('.npmignore', 'utf-8');
+const npmignorePatterns = npmignore
+    .split(/\r?\n/)
+    .filter(item => item && !item.startsWith('#'));
+
+const untrackedFiles = execSync('git ls-files --others --exclude-standard', { encoding: 'utf-8' })
+    .trim()
+    .split('\n')
+    .map(escapeOctal);
+
+if (untrackedFiles.length) {
+    const maybeUnexpectedFiles = ignore().add(npmignorePatterns).filter(untrackedFiles);
+    if (maybeUnexpectedFiles.length) {
+        console.error(chalk.red(`❌ Found ${maybeUnexpectedFiles.length} file(s) that are neither tracked by git nor ignored by .npmignore! Please double-check before publishing them to npm.`));
+        maybeUnexpectedFiles.forEach(filePath => {
+            console.log('  ∟ ' + filePath);
+        });
+        console.log();
+        process.exit(-1);
+    }
+}
+
+console.log(chalk.green('✔️ No unexpected files found.'));
+console.log();
+
+console.log(chalk.yellow('🔎 Checking registry url of the packages in package-lock.json...\n'));
+
+const NPM_REGISTRY = 'https://registry.npmjs.org/';
+const packageLock = require('../package-lock.json');
+
+const unexpectedPkgsFromUnofficialRegistry = Object.entries(packageLock.dependencies)
+    .concat(Object.entries(packageLock.packages))
+    .filter(([pkgName, pkgRegistry]) => pkgRegistry.resolved && !pkgRegistry.resolved.startsWith(NPM_REGISTRY));
+if (unexpectedPkgsFromUnofficialRegistry.length) {
+    console.error(chalk.red('❌ Found packages that are not from npm registry in package-lock.json! Please double-check before publishing them to npm.'));
+    unexpectedPkgsFromUnofficialRegistry.forEach(([pkgName, pkgRegistry]) => {
+        console.log(`  ∟ ${pkgName} (${pkgRegistry.resolved})`);
+    });
+    console.log();
+    process.exit(-1);
+}
+
+console.log(chalk.green('✔️ No unexpected packages with unofficial registry url found.'));
+console.log();
+
+function escapeOctal(str) {
+    const matches = str.match(/(\\\d{3}){3}/g);
+    if (matches) {
+        matches.forEach(match => {
+            let encoded = '';
+            match.split('\\').forEach(code => !code || (encoded += '%' + parseInt(code, 8).toString(16)));
+            str = str.replace(match, decodeURI(encoded));
+        });
+    }
+    return str;
+}

frontend/node_modules/zrender/build/processLib.js

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+// Porcess generated lib files.
+// Like adding js extension in the import statement.
+
+const { transformImport } = require('./transformImport');
+const globby = require('globby');
+const path = require('path');
+const fs = require('fs');
+const chalk = require('chalk');
+const rollup = require('rollup');
+const nodeResolve = require('@rollup/plugin-node-resolve').default;
+
+function addJsExtension(moduleName) {
+    // Ignore 'tslib'
+    if (!(moduleName.startsWith('.'))) {
+        return moduleName;
+    }
+    if (moduleName.endsWith('.ts')) {
+        // Replace ts with js
+        return moduleName.replace(/\.ts$/, '.js');
+    }
+    else if (moduleName.endsWith('.js')) {
+        return moduleName;
+    }
+    else {
+        return moduleName + '.js'
+    }
+}
+
+async function transform() {
+    const libFiles = await globby([
+        '**/*.js'
+    ], {
+        cwd: path.join(__dirname, '../lib'),
+        absolute: true
+    });
+
+    if (libFiles.length === 0) {
+        throw new Error('No lib files found.')
+    }
+
+    for (let file of libFiles) {
+        const code = fs.readFileSync(file, 'utf-8');
+        fs.writeFileSync(file, transformImport(code, addJsExtension), 'utf-8');
+    }
+
+    // Transform index;
+    const indexFile = path.join(__dirname, '../index.js');
+    fs.writeFileSync(
+        indexFile,
+        transformImport(
+            fs.readFileSync(indexFile, 'utf-8'),
+            (mduleName) => addJsExtension(mduleName).replace('./src', './lib')
+        )
+    )
+}
+
+transform().then(() => {
+    console.log(chalk.green('Added .js extensions.'));
+    console.log(chalk.gray('Start testing generated libs...'));
+}).then(() => {
+    return rollup.rollup({
+        input: path.resolve(__dirname, '../index.js'),
+        plugins: [nodeResolve()]
+    });
+}).then(() => {
+    console.log(chalk.green('Libs can be bundled!'));
+});

frontend/node_modules/zrender/build/progress.js

@@ -0,0 +1,65 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+const chalk = require('chalk');
+const path = require('path');
+
+module.exports = function progress(options = {}) {
+    const scope = options.scope || {};
+    scope.finished = scope.finished || 0;
+    scope.total = scope.total || 0;
+
+    return {
+        name: 'progress',
+
+        buildStart() {
+            scope.finished = 0;
+            scope.total = 0;
+        },
+
+        load() {
+            // TODO More accurate total number
+            scope.total++;
+        },
+
+        transform(code, id) {
+            scope.finished++;
+            const filePath = path.relative(process.cwd(), id).split(path.sep).join('/');
+
+            const output = `[${scope.finished}/${scope.total}]: ${chalk.grey(filePath)}`;
+            if (process.stdout.isTTY) {
+                process.stdout.clearLine();
+                process.stdout.cursorTo(0);
+                process.stdout.write(output);
+            }
+            else {
+                console.log(output);
+            }
+        },
+
+        buildEnd() {
+            if (process.stdout.isTTY) {
+                process.stdout.clearLine();
+                process.stdout.cursorTo(0);
+            }
+            else {
+                console.log('');
+            }
+        }
+    };
+};

frontend/node_modules/zrender/build/transformImport.js

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+// adding js extension in the import statement.
+
+// Reference:
+// https://regexr.com/47jlq
+// https://gist.github.com/manekinekko/7e58a17bc62a9be47172
+const regexp = /((?:(?:import)|(?:export))\s+?(?:(?:(?:[\w*\s{},\/]*)\s+from\s+?)|))(?:(?:"(.*?)")|(?:'(.*?)'))([\s]*?(?:;|$|))/g;
+
+module.exports.transformImport = function (code, processModuleName) {
+    return code.replace(regexp, (str, prefix, moduleNameA, moduleNameB, postfix) => {
+        let moduleName = (moduleNameA === undefined ? moduleNameB : moduleNameA).trim();
+        const quote = moduleNameA === undefined ? "'" : '"';
+        return prefix + quote + processModuleName(moduleName) + quote + postfix;
+        // Not support other extensions.
+    });
+}
+
+
+const testCases = `import videos from './videos/index.js'
+
+export default (socket, context) => {
+    // dynamically importing all the socket.io handler (it's dynamic import that happen at run time)
+  import {
+	something
+} from "./test/okbb"
+
+const f = 2;
+
+import test from 'obb'
+
+
+import {
+  Component
+} from '@angular2/core';
+
+import defaultMember from "module-0";
+
+import   *    as name from "module-1  ";
+
+import   {  member }   from "  module-2";
+
+import { member as alias } from "module-3";
+
+import { member1 , member2 } from "module-4";
+
+import { member1 , member2 as alias2 , member3 as alias3 } from "module-5";
+
+import defaultMember, { member, member } from "module-6";
+
+import defaultMember, * as name from "module-7";
+
+import "module-8";
+
+import "module-9"    // comment no problem
+
+import {
+    AAAA,
+    // BBB
+} from 'module-10';
+
+import "module-b' // doesn't match -> the opening and closing quation mark are different
+
+importing hya from 'ttt'
+
+import fbsfrom ''
+
+
+// Export expressions.
+export { aaa };
+
+export * from "module-11";
+
+export { aaa } from "module-12";
+
+// Should not be parsed
+export default aaa;
+
+export function bbb () {
+};
+`
+
+module.exports.runTest = function () {
+    const expected = [
+        './videos/index.js',
+        './test/okbb',
+        'obb',
+        '@angular2/core',
+        'module-0',
+        'module-1',
+        'module-2',
+        'module-3',
+        'module-4',
+        'module-5',
+        'module-6',
+        'module-7',
+        'module-8',
+        'module-9',
+        'module-10',
+        'module-11',
+        'module-12'
+    ]
+    let cursor = 0;
+    module.exports.transformImport(testCases, (moduleName) => {
+        if (expected[cursor] !== moduleName) {
+            throw new Error(`Expected ${expected[cursor]}. Actual ${moduleName}`);
+        }
+        cursor++;
+        return moduleName;
+    })
+    if (cursor !== expected.length) {
+        throw new Error('Test failed');
+    }
+    console.log('All test passed!')
+}
+
+// module.exports.runTest();