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5a64a9a7f7
* Add tsick.js to rewrite enums. tsc generates JavaScript which is incompatible with the Closure Compiler's advanced optimizations. * Remove unused 'outputCode' variable. * Rename 'run_X_in_browser.js' to 'webdriver.js' The Mocha and generator tests can both be run either manually or via our webdriver. In all cases they run in a browser. These two 'run_X_in_browser.js' files only apply to webdriver, thus they are confusingly named. Also delete completely unused (and broken) `run_all_tests.sh` * Linting improvements to mocha/webdriver.js Still not at 100%. Complains about require/module/process/__dirname not being defined in multiple places. * runTestBlock -> runTestFunction 'Block' means something very different in Blockly. * Removal of `var` from scripts. * Add webdriver test to verify compile test worked. * Resolve conficts with 'develop'. * Address PR comments.
84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
/**
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* @license
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* Copyright 2022 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Lightweight conversion from tsc ouptut to Closure Compiler
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* compatible input.
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*/
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'use strict';
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// eslint-disable-next-line no-undef
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const fs = require('fs');
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// eslint-disable-next-line no-undef
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const DIR = process.argv[2];
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// Number of files rewritten.
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let fileCount = 0;
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/**
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* Recursively spider the given directory and rewrite any JS files found.
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* @param {string} dir Directory path to start from.
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*/
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function spider(dir) {
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if (!dir.endsWith('/')) {
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dir += '/';
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}
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const entries = fs.readdirSync(dir, {withFileTypes: true});
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for (const entry of entries) {
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if (entry.isDirectory()) {
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spider(dir + entry.name + '/');
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} else if (entry.name.endsWith('.js')) {
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rewriteFile(dir + entry.name);
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}
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}
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}
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/**
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* Given a file, rewrite it if it contains problematic patterns.
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* @param {string} path Path of file to potentially rewrite.
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*/
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function rewriteFile(path) {
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const oldCode = fs.readFileSync(path, 'utf8');
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const newCode = rewriteEnum(oldCode);
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if (newCode !== oldCode) {
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fileCount++;
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fs.writeFileSync(path, newCode);
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}
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}
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/**
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* Unquote enum definitions in the given code string.
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* @param {string} code Original code generated by tsc.
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* @return {string} Rewritten code for Closure Compiler.
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*/
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function rewriteEnum(code) {
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// Find all enum definitions. They look like this:
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// (function (names) {
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// ...
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// })(names || (names = {}));
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const enumDefs = code.match(/\s+\(function \((\w+)\) \{\n[^}]*\}\)\(\1 [^)]+\1 = \{\}\)\);/g) || [];
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for (const oldEnumDef of enumDefs) {
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// enumDef looks like a bunch of lines in one of these two formats:
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// ScopeType["BLOCK"] = "block";
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// KeyCodes[KeyCodes["TAB"] = 9] = "TAB";
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// We need to unquote them to look like one of these two formats:
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// ScopeType.BLOCK = "block";
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// KeyCodes[KeyCodes.TAB = 9] = "TAB";
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let newEnumDef = oldEnumDef.replace(/\["(\w+)"\]/g, '.$1');
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newEnumDef = newEnumDef.replace(') {', ') { // Converted by tsick.');
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code = code.replace(oldEnumDef, newEnumDef);
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}
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return code;
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}
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if (DIR) {
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spider(DIR);
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console.log(`Unquoted enums in ${fileCount} files.`);
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} else {
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throw Error('No source directory specified');
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}
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