Created
April 20, 2020 20:40
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diff --git a/node_modules/jest-runtime/build/index.js b/node_modules/jest-runtime/build/index.js | |
index 0c9dd8c..58109b5 100644 | |
--- a/node_modules/jest-runtime/build/index.js | |
+++ b/node_modules/jest-runtime/build/index.js | |
@@ -1189,7 +1189,38 @@ class Runtime { | |
return this._getMockedNativeModule(); | |
} | |
- return require(moduleName); | |
+ // return require(moduleName); | |
+ if (!this._coreModulesProxyCache) { | |
+ this._coreModulesProxyCache = Object.create(null); | |
+ } | |
+ | |
+ if (this._coreModulesProxyCache[moduleName]) { | |
+ return this._coreModulesProxyCache[moduleName]; | |
+ } | |
+ | |
+ const mod = require(moduleName); | |
+ const { JEST_WARN_ON_PATCH } = process.env | |
+ const forbidden = ['http', 'https']; | |
+ const warned = this._warned = this._warned || Object.create(null); | |
+ | |
+ const set = ( | |
+ target, | |
+ property, | |
+ value, | |
+ receiver, | |
+ ) => { | |
+ if (target !== mod || typeof value !== 'function' || value._isMockFunction || forbidden.some(s => s === moduleName)) | |
+ return Reflect.set(target, property, value, receiver); | |
+ if (!warned[moduleName + '_' + property]){ | |
+ if (JEST_WARN_ON_PATCH) { | |
+ console.warn('Patching module not allowed', moduleName, property); | |
+ } | |
+ warned[moduleName + '_' + property] = true; | |
+ } | |
+ return true; | |
+ }; | |
+ | |
+ return this._coreModulesProxyCache[moduleName] = new Proxy(mod, {set}); | |
} | |
_importCoreModule(moduleName, context) { |
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