Remove JEST environment variable.

.eslintrc.js

@@ -10,11 +10,9 @@ module.exports = {
   globals: {
     __external__: false,
     __global__: false,
-    __jest__: false,
     __non_webpack_module__: false,
     __non_webpack_require__: false,
     __shared__: false,
-    jest: false,
     WebAssembly: false
   },
   parser: "eslint-plugin-import/memo-parser",

esm.js

@@ -49,13 +49,6 @@ const esmModule = new Module(id)
 esmModule.filename = filename
 esmModule.parent = parent
 
-let jestObject
-
-if (typeof jest === "object" && jest !== null &&
-    global.jest !== jest) {
-  jestObject = jest
-}
-
 function getNativeSource(thePath) {
   let result
 
@@ -79,7 +72,7 @@ function has(object, name) {
 }
 
 function loadESM() {
-  compiledESM(require, esmModule, jestObject, shared)
+  compiledESM(require, esmModule, shared)
   return esmModule.exports
 }
 
@@ -130,7 +123,7 @@ if (nativeContent !== "") {
 
 const script = new Script(
   "var __global__ = this;" +
-  "(function (require, module, __jest__, __shared__) { " +
+  "(function (require, module, __shared__) { " +
   content +
   "\n});",
   scriptOptions

src/constant/env.js

@@ -10,7 +10,6 @@ import isElectronRenderer from "../env/is-electron-renderer.js"
 import isEval from "../env/is-eval.js"
 import isInternal from "../env/is-internal.js"
 import isJasmine from "../env/is-jasmine.js"
-import isJest from "../env/is-jest.js"
 import isNdb from "../env/is-ndb.js"
 import isNyc from "../env/is-nyc.js"
 import isPreloaded from "../env/is-preloaded.js"
@@ -35,7 +34,6 @@ setDeferred(ENV, "FLAGS", getFlags)
 setDeferred(ENV, "HAS_INSPECTOR", hasInspector)
 setDeferred(ENV, "INTERNAL", isInternal)
 setDeferred(ENV, "JASMINE", isJasmine)
-setDeferred(ENV, "JEST", isJest)
 setDeferred(ENV, "NDB", isNdb)
 setDeferred(ENV, "NYC", isNyc)
 setDeferred(ENV, "OPTIONS", getOptions)

src/module.js

@@ -24,8 +24,7 @@ import staticWrap from "./module/static/wrap.js"
 import staticWrapper from "./module/static/wrapper.js"
 
 const {
-  ELECTRON,
-  JEST
+  ELECTRON
 } = ENV
 
 const Module = maskFunction(function (id, parent) {
@@ -46,6 +45,7 @@ const Module = maskFunction(function (id, parent) {
 
 const _extensions = { __proto__: null }
 
+Module._cache = __non_webpack_require__.cache
 Module._extensions = _extensions
 Module._findPath = staticFindPath
 Module._initPaths = staticInitPaths
@@ -77,10 +77,6 @@ prototype.require = req
 assign(_extensions, RealModule._extensions)
 safeDefaultProperties(Module, RealModule)
 
-if (JEST) {
-  Module._cache = __non_webpack_require__.cache
-}
-
 if (! Array.isArray(Module.globalPaths)) {
   Module._initPaths()
 }