mirror of
https://github.com/google/blockly.git
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88ff901a72
* chore: add and configure prettier * chore: remove clang-format * chore: remove clang-format config * chore: lint additional ts files * chore: fix lint errors in blocks * chore: add prettier-ignore where needed * chore: ignore js blocks when formatting * chore: fix playground html syntax * chore: fix yaml spacing from merge * chore: convert text blocks to use arrow functions * chore: format everything with prettier * chore: fix lint unused imports in blocks
87 lines
2.3 KiB
JavaScript
87 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 =
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code.match(
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/\s+\(function \((\w+)\) \{\n[^}]*\}\)\(\1 [^)]+\1 = \{\}\)\);/g
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) || [];
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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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