Javascript 网页打包期间发生Typescript ModuleNotFound异常
这个问题是关于webpack-typescript和npm的。 我的文件夹结构:Javascript 网页打包期间发生Typescript ModuleNotFound异常,javascript,npm,webpack,typescript-typings,typescript2.0,Javascript,Npm,Webpack,Typescript Typings,Typescript2.0,这个问题是关于webpack-typescript和npm的。 我的文件夹结构: . -src --apps ---TemplateInvestigate Main.ts -node_modules --parse-json index.js ---vendor parse.js unicode.js 在TemplateInvestage Main.ts中,尝试导入json解析器: 从“../../../node_modules/parse
.
-src
--apps
---TemplateInvestigate
Main.ts
-node_modules
--parse-json
index.js
---vendor
parse.js
unicode.js
在TemplateInvestage Main.ts中,尝试导入json解析器:
从“../../../node_modules/parse json/index.js”导入*强>
我的网页包配置为:
var ES5to3OutputPlugin = require("es5to3-webpack-plugin");
module.exports = {
entry: {
'TemplateInvestigate':"./src/apps/TemplateInvestigate/Main.ts"
},
output: {
filename: './dist/[name].jsx'
},
resolve: {
extensions: [ '.ts']
},
module: {
loaders: [
{ test: /\.ts$/, loader: 'ts-loader' }
]
}
,plugins : [
new ES5to3OutputPlugin()
]
}
tsConfig:
"compilerOptions": {
// "module": "commonjs",
"noImplicitAny": false
, "noEmitOnError": true
, "removeComments": false
,"moduleResolution": "node"
,"allowJs" : true
,"baseUrl": "."
}
}
当我运行webpack时,我遇到了以下错误
ModuleNotFoundError: Module not found: Error: Can't resolve './vendor/parse'
in 'K:\projectFolder\node_modules\parse-json'
at factoryCallback (C:\AppData\Roaming\npm\node_modules\webpack\
lib\Compilation.js:259:39)
at C:\AppData\Roaming\npm\node_modules\webpack\lib\NormalModuleF
actory.js:234:19
at onDoneResolving (C:\AppData\Roaming\npm\node_modules\webpack\
lib\NormalModuleFactory.js:59:20)
at C:\AppData\Roaming\npm\node_modules\webpack\lib\NormalModuleF
actory.js:126:20
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\asyn
c\dist\async.js:3694:9
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\asyn
c\dist\async.js:359:16
at iteratorCallback (C:\AppData\Roaming\npm\node_modules\webpack
\node_modules\async\dist\async.js:933:13)
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\asyn
c\dist\async.js:843:16
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\asyn
c\dist\async.js:3691:13
at apply (C:\AppData\Roaming\npm\node_modules\webpack\node_modul
es\async\dist\async.js:21:25)
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\asyn
c\dist\async.js:56:12
at C:\AppData\Roaming\npm\node_modules\webpack\lib\NormalModuleF
actory.js:121:22
at onResolved (C:\AppData\Roaming\npm\node_modules\webpack\node_
modules\enhanced-resolve\lib\Resolver.js:70:11)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at afterInnerCallback (C:\AppData\Roaming\npm\node_modules\webpa
ck\node_modules\enhanced-resolve\lib\Resolver.js:138:10)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at Resolver.applyPluginsAsyncSeriesBailResult1 (C:\AppData\Roami
ng\npm\node_modules\webpack\node_modules\tapable\lib\Tapable.js:181:46)
at innerCallback (C:\AppData\Roaming\npm\node_modules\webpack\no
de_modules\enhanced-resolve\lib\Resolver.js:125:19)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\tapa
ble\lib\Tapable.js:283:15
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\enha
nced-resolve\lib\UnsafeCachePlugin.js:38:4
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at afterInnerCallback (C:\AppData\Roaming\npm\node_modules\webpa
ck\node_modules\enhanced-resolve\lib\Resolver.js:138:10)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at Resolver.applyPluginsAsyncSeriesBailResult1 (C:\AppData\Roami
ng\npm\node_modules\webpack\node_modules\tapable\lib\Tapable.js:181:46)
at innerCallback (C:\AppData\Roaming\npm\node_modules\webpack\no
de_modules\enhanced-resolve\lib\Resolver.js:125:19)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
at C:\AppData\Roaming\npm\node_modules\webpack\node_modules\tapa
ble\lib\Tapable.js:283:15
at innerCallback (C:\AppData\Roaming\npm\node_modules\webpack\no
de_modules\enhanced-resolve\lib\Resolver.js:123:11)
at loggingCallbackWrapper (C:\AppData\Roaming\npm\node_modules\w
ebpack\node_modules\enhanced-resolve\lib\createInnerCallback.js:31:19)
resolve './vendor/parse' in 'K:\projectFolder\node_module
s\parse-json'
**using description file: K:\projectFolder\node_modules\p
arse-json\package.json (relative path: .)
Field 'browser' doesn't contain a valid alias configuration
after using description file: K:\projectFolder\node_mod
ules\parse-json\package.json (relative path: .)
using description file: K:\projectFolder\node_modules
\parse-json\package.json (relative path: ./vendor/parse)
as directory
K:\projectFolder\node_modules\parse-json\vendor\parse doesn't exist
no extension
Field 'browser' doesn't contain a valid alias configuration
K:\projectFolder\node_modules\parse-json\vendor\parse doesn't exist
.ts
Field 'browser' doesn't contain a valid alias configuration
K:\projectFolder\node_modules\parse-json\vendor\parse.ts doesn't exist**
注意:通过npm安装的parse json包有nop类型定义文件。问题是,
parse json
是一个JavaScript模块,通常使用导入,如/vendor/parse
,它会按节点自动解析为/vendor/parse.js
。在webpack配置中,您告诉webpack仅解析.ts
扩展名。要解决此问题,您还必须将.js
添加到:
另一方面,当您想从npm安装的模块导入时,不应该指定确切的相对路径,而应该指定它的名称,就像这样(我给它的名称也比a
好):
基本上,当它不是您从中导入的相对路径时,它将查看节点_模块
(在当前目录和所有父目录中),然后将到达项目的顶级目录,其中节点_模块
包含解析json
。另外,您不应该指定要从parse json/index.js
中的index.js
导入,因为模块定义了一个在导入时使用的入口点,在本例中实际上就是index.js
有关模块分辨率的更多信息,请参阅:
resolve: {
extensions: ['.ts', '.js']
},
import * as parseJson from "parse-json";