Re 143 small changes

README.md

@@ -34,7 +34,7 @@
   },
   "jest": {
     "runner": "jest-light-runner"
-  },
+  }
 }
 ```
 
@@ -70,12 +70,10 @@ test('should mock packages and local files', async () => {
 
 test('should do global instance mocks —third param', async () => {
   const { getFile } = await esmock('../src/main.js', {}, {
-    fs: {
-      readFileSync: () => 'returns this globally'
-    }
+    fs: { readFileSync: () => 'returns this 🌎 globally' }
   })
 
-  assert.strictEqual(getFile(), 'returns this globally')
+  assert.strictEqual(getFile(), 'returns this 🌎 globally')
 })
 
 test('should mock "await import()" using esmock.p', async () => {
@@ -95,7 +93,7 @@ test('should support "strict" mocking, at esmock.strict', async () => {
     path: { dirname: () => '/path/to/file' }
   })
 
-  // error, because the "path" mock above does not define path.basename
+  // error, because "path" mock above does not define path.basename
   await assert.rejects(async () => pathWrapper.basename('/dog.png'), {
     name: 'TypeError',
     message: 'path.basename is not a function'

src/esmock.js

@@ -1,4 +1,5 @@
 import esmockIsLoader from './esmockIsLoader.js'
+import esmockCache from './esmockCache.js'
 import esmockArgs from './esmockArgs.js'
 
 import {
@@ -7,10 +8,6 @@ import {
   esmockModuleImportedSanitize
 } from './esmockModule.js'
 
-import {
-  esmockCache
-} from './esmockCache.js'
-
 const esmock = async (...args) => {
   const [modulePath, mockDefs, globalDefs, opt = {}, err] = esmockArgs(args)
   const calleePath = (opt.parent || (err || new Error).stack.split('\n')[2])

src/esmockCache.js

@@ -31,7 +31,7 @@ Object.assign(global, {
 })
 
 export {
-  esmockCache,
+  esmockCache as default,
   esmockCacheSet,
   esmockCacheGet,
   esmockKeySet,

src/esmockLoader.js

@@ -1,6 +1,4 @@
 import process from 'process'
-export * from './esmock.js'
-export {default} from './esmock.js'
 import urlDummy from './esmockDummy.js'
 
 const [major, minor] = process.versions.node.split('.').map(it => +it)
@@ -89,7 +87,7 @@ const load = async (url, context, nextLoad) => {
   if (url.startsWith(urlDummy)) {
     url = url.replace(withHashRe, '')
     if (notfoundRe.test(url))
-      url = url.replace(urlDummy, `file:///${(url.match(notfoundRe) || [])[1]}`)
+      url = url.replace(urlDummy, `file:///${url.match(notfoundRe)[1]}`)
   }
 
   const exportedNames = exportNamesRe.test(url) &&
@@ -112,8 +110,6 @@ const load = async (url, context, nextLoad) => {
 // node lt 16.12 require getSource, node gte 16.12 warn remove getSource
 const getSource = isLT1612 && load
 
-export {
-  load,
-  resolve,
-  getSource
-}
+export * from './esmock.js'
+export {default} from './esmock.js'
+export {load, resolve, getSource}

src/esmockModule.js

@@ -75,14 +75,13 @@ const esmockModuleIsESM = (mockPathFull, isesm) => {
 const esmockModuleImportedSanitize = (importedModule, esmockKey) => {
   const importedDefault = 'default' in importedModule && importedModule.default
 
-  if (!/boolean|string|number/.test(typeof importedDefault)) {
-    // an example of [object Module]: import * as mod from 'fs'; export mod;
-    return Object.prototype.toString.call(importedDefault) === '[object Module]'
-      ? Object.assign({}, importedDefault, importedModule, { esmockKey })
-      : Object.assign(importedDefault, importedModule, { esmockKey })
-  }
-
-  return importedModule
+  if (/boolean|string|number/.test(typeof importedDefault))
+    return importedModule
+
+  // an example of [object Module]: import * as mod from 'fs'; export mod;
+  return Object.isExtensible(importedDefault)
+    ? Object.assign(importedDefault, importedModule, { esmockKey })
+    : Object.assign({}, importedDefault, importedModule, { esmockKey })
 }
 
 const esmockModuleImportedPurge = modulePathKey => {
@@ -118,54 +117,54 @@ const esmockModuleCreate = async (esmockKey, key, mockPathFull, mockDef, opt) =>
 }
 
 // eslint-disable-next-line max-len
-const esmockModulesCreate = async (pathCallee, pathModule, esmockKey, defs, keys, mocks, opt) => {
+const esmockModulesCreate = async (parent, moduleFileURL, esmockKey, defs, keys, mocks, opt) => {
   keys = keys || Object.keys(defs)
   mocks = mocks || []
 
   if (!keys.length)
     return mocks
 
-  let mockedPathFull = resolvewith(keys[0], pathCallee)
+  let mockedPathFull = resolvewith(keys[0], parent)
   if (!mockedPathFull && opt.isModuleNotFoundError === false) {
     mockedPathFull = 'file:///' + keys[0]
     opt = Object.assign({ isfound: false }, opt)
   }
 
   if (!mockedPathFull) {
-    pathCallee = pathCallee
+    parent = parent
       .replace(/^\/\//, '')
       .replace(process.cwd(), '.')
       .replace(process.env.HOME, '~')
-    throw new Error(`not a valid path: "${keys[0]}" (used by ${pathCallee})`)
+    throw new Error(`invalid moduleId: "${keys[0]}" (used by ${parent})`)
   }
 
   mocks.push(await esmockModuleCreate(
     esmockKey, keys[0], mockedPathFull, defs[keys[0]], opt))
 
   return esmockModulesCreate(
-    pathCallee, pathModule, esmockKey, defs, keys.slice(1), mocks, opt)
+    parent, moduleFileURL, esmockKey, defs, keys.slice(1), mocks, opt)
 }
 
-const esmockModuleMock = async (calleePath, modulePath, defs, gdefs, opt) => {
-  const pathModuleFull = resolvewith(modulePath, calleePath)
+const esmockModuleMock = async (parent, moduleId, defs, gdefs, opt) => {
+  const moduleFileURL = resolvewith(moduleId, parent)
   const esmockKey = typeof opt.key === 'number' ? opt.key : esmockNextKey()
   const esmockModuleKeys = await esmockModulesCreate(
-    calleePath, pathModuleFull, esmockKey, defs, Object.keys(defs), 0, opt)
+    parent, moduleFileURL, esmockKey, defs, Object.keys(defs), 0, opt)
   const esmockGlobalKeys = await esmockModulesCreate(
-    calleePath, pathModuleFull, esmockKey, gdefs, Object.keys(gdefs), 0, opt)
+    parent, moduleFileURL, esmockKey, gdefs, Object.keys(gdefs), 0, opt)
 
-  if (pathModuleFull === null)
-    throw new Error(`modulePath not found: "${modulePath}"`)
+  if (moduleFileURL === null)
+    throw new Error(`invalid moduleId: "${moduleId}"`)
 
-  const esmockKeyLong = pathModuleFull + '?' +
+  const esmockKeyLong = moduleFileURL + '?' +
     'key=:esmockKey?esmockGlobals=:esmockGlobals#-#esmockModuleKeys=:moduleKeys'
       .replace(/:esmockKey/, esmockKey)
       .replace(/:esmockGlobals/, esmockGlobalKeys.join('#-#') || 'null')
       .replace(/:moduleKeys/, esmockModuleKeys.join('#-#'))
 
   esmockKeySet(String(esmockKey), esmockKeyLong)
 
-  return pathModuleFull + `?esmk=${esmockKey}`
+  return moduleFileURL + `?esmk=${esmockKey}`
 }
 
 export {

tests/tests-ava/spec/esmock.ava.spec.js

@@ -64,7 +64,7 @@ test('should throw error if local file not found', async t => {
   })
 
   t.true(err.message.startsWith(
-    'modulePath not found: "../../local/not/found.js"'))
+    'invalid moduleId: "../../local/not/found.js"'))
 })
 
 test('should throw error if local definition file not found', async t => {
@@ -78,7 +78,7 @@ test('should throw error if local definition file not found', async t => {
   })
 
   t.true(err.message.startsWith(
-    'not a valid path: "../../local/not/found.js"'))
+    'invalid moduleId: "../../local/not/found.js"'))
 })
 
 test('should mock a module', async t => {

tests/tests-jest/package.json

@@ -1,6 +1,6 @@
 {
   "type": "module",
-  "description": "esmock unit tests, tsm with node native runner",
+  "description": "esmock unit tests, jest with jest-light-runner",
   "repository": {
     "type": "git",
     "url": "https://github.com/iambumblehead/esmock.git"

tests/tests-node/esmock.node.test.js

@@ -76,7 +76,7 @@ test('should throw error if local file not found', async () => {
       createString: () => 'test string'
     }
   }), {
-    message: 'modulePath not found: "../local/not/found.js"'
+    message: 'invalid moduleId: "../local/not/found.js"'
   })
 })
 
@@ -86,7 +86,7 @@ test('should throw error if local definition file not found', async () => {
       createString: () => 'test string'
     }
   }), {
-    message: /not a valid path: "..\/local\/not\/found.js" \(used by/
+    message: /invalid moduleId: "..\/local\/not\/found.js" \(used by/
   })
 })
 
@@ -393,7 +393,7 @@ test('should not error when mocked file has space in path', async () => {
   assert.strictEqual(main.wild, 'tamed')
 })
 
-test('should strict mock by default, partial mock optional', async () => {
+test('should partial mock by default, strict mock optional', async () => {
   const wildfile = await import('../local/space in path/wild-file.js')
   const mainstrict = await esmock.strict('../local/main.js', {
     '../local/space in path/wild-file.js': {
@@ -418,7 +418,7 @@ test('should strict mock by default, partial mock optional', async () => {
     true, wildfilenamedexports.every(e => mainpartialwildexports.includes(e)))
 })
 
-test('should strict mock by default, partial mock optional', async () => {
+test('should throw error when strict mock definition not found', async () => {
   const pathWrapStrict = await esmock.strict('../local/pathWrap.js', {
     path: { dirname: '/path/to/file' }
   })

tests/tests-uvu/esmock.uvu.spec.js

@@ -32,7 +32,7 @@ test('should throw error if local file not found', async () => {
       }
     })
   } catch (e) {
-    assert.is(e.message, 'modulePath not found: "../local/not/found.js"')
+    assert.is(e.message, 'invalid moduleId: "../local/not/found.js"')
   }
 })
 
@@ -45,7 +45,7 @@ test('should throw error if local definition file not found', async () => {
     })
   } catch (e) {
     assert.ok(e.message.startsWith(
-      'not a valid path: "../local/not/found.js" (used by'))
+      'invalid moduleId: "../local/not/found.js" (used by'))
   }
 })