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https://github.com/zebrajr/react.git
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ff89ba7346
Stacked on #30308. This is now a noop module so we can stop applying the transform of console.error using the Babel plugin in the mainline builds. I'm keeping the transform for RN/WWW for now although it might be nice if the transform moved into those systems as it gets synced instead of keeping it upstream. In jest tests we're already not running the forks for RN/WWW so we don't need it at all there.
97 lines
2.4 KiB
JavaScript
97 lines
2.4 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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const {
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parse,
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SimpleTraverser: {traverse},
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} = require('hermes-parser');
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const fs = require('fs');
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const through = require('through2');
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const gs = require('glob-stream');
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const {evalStringConcat} = require('../shared/evalToString');
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const warnings = new Set();
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function transform(file, enc, cb) {
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fs.readFile(file.path, 'utf8', function (err, source) {
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if (err) {
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cb(err);
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return;
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}
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let ast;
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try {
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ast = parse(source);
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} catch (error) {
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console.error('Failed to parse source file:', file.path);
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throw error;
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}
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traverse(ast, {
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enter() {},
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leave(node) {
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if (node.type !== 'CallExpression') {
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return;
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}
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const callee = node.callee;
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if (
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callee.type === 'MemberExpression' &&
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callee.object.type === 'Identifier' &&
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callee.object.name === 'console' &&
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callee.property.type === 'Identifier' &&
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(callee.property.name === 'warn' || callee.property.name === 'error')
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) {
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// warning messages can be concatenated (`+`) at runtime, so here's
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// a trivial partial evaluator that interprets the literal value
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try {
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const warningMsgLiteral = evalStringConcat(node.arguments[0]);
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warnings.add(warningMsgLiteral);
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} catch {
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// Silently skip over this call. We have a lint rule to enforce
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// that all calls are extractable, so if this one fails, assume
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// it's intentional.
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}
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}
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},
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});
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cb(null);
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});
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}
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gs([
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'packages/**/*.js',
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'!packages/*/npm/**/*.js',
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'!packages/react-devtools*/**/*.js',
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'!**/__tests__/**/*.js',
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'!**/__mocks__/**/*.js',
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'!**/node_modules/**/*.js',
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]).pipe(
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through.obj(transform, cb => {
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const warningsArray = Array.from(warnings);
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warningsArray.sort();
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process.stdout.write(
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`/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict
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* @noformat
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* @oncall react_core
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*/
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export default ${JSON.stringify(warningsArray, null, 2)};
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`
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);
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cb();
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})
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);
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