30 lines
972 B
JavaScript
30 lines
972 B
JavaScript
/**
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* This file wraps the implementation of register so all modules `require()`-ed
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* internally within register are stored in a separate module cache.
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* This prevents un-transformed modules being stored in global module cache,
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* and allows register to transform these modules if they are loaded externally.
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*/
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// TODO: Remove this file in Babel 8
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const Module = require("module");
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const globalModuleCache = Module._cache;
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const internalModuleCache = Object.create(null);
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Module._cache = internalModuleCache;
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const node = require("./node");
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// NOTE: This Module._cache set is intercepted by the beforeEach hook in
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// packages/babel-register/test/index.js to install dependencies mocks.
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Module._cache = globalModuleCache;
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// Add source-map-support to global cache as it's stateful
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const smsPath = require.resolve("source-map-support");
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globalModuleCache[smsPath] = internalModuleCache[smsPath];
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const register = node.default;
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register();
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module.exports = node;
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