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63 lines
2.3 KiB
63 lines
2.3 KiB
"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.enableFeature = enableFeature; |
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exports.isLoose = isLoose; |
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exports.verifyUsedFeatures = verifyUsedFeatures; |
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exports.FEATURES = void 0; |
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var _decorators = require("./decorators"); |
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const FEATURES = Object.freeze({ |
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fields: 1 << 1, |
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privateMethods: 1 << 2, |
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decorators: 1 << 3 |
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}); |
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exports.FEATURES = FEATURES; |
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const featuresKey = "@babel/plugin-class-features/featuresKey"; |
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const looseKey = "@babel/plugin-class-features/looseKey"; |
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function enableFeature(file, feature, loose) { |
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if (!hasFeature(file, feature)) { |
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file.set(featuresKey, file.get(featuresKey) | feature); |
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if (loose) file.set(looseKey, file.get(looseKey) | feature); |
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} |
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} |
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function hasFeature(file, feature) { |
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return !!(file.get(featuresKey) & feature); |
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} |
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function isLoose(file, feature) { |
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return !!(file.get(looseKey) & feature); |
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} |
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function verifyUsedFeatures(path, file) { |
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if ((0, _decorators.hasOwnDecorators)(path.node)) { |
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if (!hasFeature(file, FEATURES.decorators)) { |
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throw path.buildCodeFrameError("Decorators are not enabled." + "\nIf you are using " + '["@babel/plugin-proposal-decorators", { "legacy": true }], ' + 'make sure it comes *before* "@babel/plugin-proposal-class-properties" ' + "and enable loose mode, like so:\n" + '\t["@babel/plugin-proposal-decorators", { "legacy": true }]\n' + '\t["@babel/plugin-proposal-class-properties", { "loose": true }]'); |
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} |
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if (path.isPrivate()) { |
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throw path.buildCodeFrameError(`Private ${path.isClassMethod() ? "methods" : "fields"} in decorated classes are not supported yet.`); |
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} |
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} |
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if (path.isPrivate() && path.isMethod()) { |
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if (!hasFeature(file, FEATURES.privateMethods)) { |
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throw path.buildCodeFrameError("Class private methods are not enabled."); |
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} |
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} |
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if (hasFeature(file, FEATURES.privateMethods) && hasFeature(file, FEATURES.fields) && isLoose(file, FEATURES.privateMethods) !== isLoose(file, FEATURES.fields)) { |
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throw path.buildCodeFrameError("'loose' mode configuration must be the same for both @babel/plugin-proposal-class-properties " + "and @babel/plugin-proposal-private-methods"); |
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} |
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if (path.isProperty()) { |
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if (!hasFeature(file, FEATURES.fields)) { |
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throw path.buildCodeFrameError("Class fields are not enabled."); |
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} |
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} |
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} |