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58 lines
1.8 KiB
58 lines
1.8 KiB
/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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const babel = require('@babel/core'); |
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const parser = require('@babel/parser'); |
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function transformDEVPlugin ({types, template}) { |
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return { |
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visitor: { |
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Identifier: { |
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enter(path, state) { |
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if (path.isIdentifier({ name: '__DEV__' }) && path.scope.hasGlobal('__DEV__')) { |
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path.replaceWith( |
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parser.parseExpression(state.opts.expr) |
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); |
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} |
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} |
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} |
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} |
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}; |
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}; |
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module.exports.transform = function (sourceCode, sourcemap, expr) { |
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let {code, map} = babel.transformSync(sourceCode, { |
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plugins: [ [transformDEVPlugin, { |
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expr: expr || 'process.env.NODE_ENV !== \'production\'' |
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}] ], |
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compact: false, |
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sourceMaps: sourcemap |
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}); |
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return {code, map}; |
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}; |
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/** |
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* @param {string} code |
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* @throws {Error} If check failed. |
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*/ |
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module.exports.recheckDEV = function (code) { |
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return code.indexOf('process.env.NODE_ENV') >= 0; |
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};
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