TypeScript:如何导入ES6JavaScript类?
我有一个名为DB的ES6 JavaScript类,定义如下:TypeScript:如何导入ES6JavaScript类?,javascript,typescript,import,ecmascript-6,typescript2.3,Javascript,Typescript,Import,Ecmascript 6,Typescript2.3,我有一个名为DB的ES6 JavaScript类,定义如下: // db.js "use strict"; export default class DB { ... } { "compilerOptions": { "module": "es6", "target": "es6", "moduleResolution": "node", "noImplicitAny": true, "removeComments": true, "p
// db.js
"use strict";
export default class DB {
...
}
{
"compilerOptions": {
"module": "es6",
"target": "es6",
"moduleResolution": "node",
"noImplicitAny": true,
"removeComments": true,
"preserveConstEnums": true,
"allowSyntheticDefaultImports": true,
"sourceMap": true
},
"include": [
"app/source/**/*",
"test/**/*"
],
"exclude": [
"node_modules"
]
}
以及一个类型脚本文件,如下所示:
// surgeons.ts
"use strict";
import DB from "./db";
我希望这一切正常,但我得到以下错误:
Browserify Error { [TypeScript error: app/source/common/surgeons.ts(3,16): Error TS2307: Cannot find module './db'.]
message: 'app/source/common/surgeons.ts(3,16): Error TS2307: Cannot find module \'./db\'.',
fileName: 'app/source/common/surgeons.ts',
line: 3,
column: 16,
name: 'TypeScript error' }
我试图按所述定义db.d.ts文件,但这产生了错误:
Browserify Error { [TypeScript error: app/source/common/surgeons.ts(5,16): Error TS2306: File 'app/source/common/db.d.ts' is not a module.]
message: 'app/source/common/surgeons.ts(5,16): Error TS2306: File \'app/source/common/db.d.ts\' is not a module.',
fileName: 'app/source/common/surgeons.ts',
line: 5,
column: 16,
name: 'TypeScript error' }
我的配置如下:
// db.js
"use strict";
export default class DB {
...
}
{
"compilerOptions": {
"module": "es6",
"target": "es6",
"moduleResolution": "node",
"noImplicitAny": true,
"removeComments": true,
"preserveConstEnums": true,
"allowSyntheticDefaultImports": true,
"sourceMap": true
},
"include": [
"app/source/**/*",
"test/**/*"
],
"exclude": [
"node_modules"
]
}
根据Daniel Rosenwasser的说法,在
tsconfig.json
的“编译器选项”
部分设置的“allowJs”:true
成功了。我根本不需要使用.d.ts
文件。这对编译器选项中的allowJs:true
有效吗?别忘了指定Browserify的版本和构建脚本。丹尼尔·罗森瓦瑟:谢谢,这解决了我的问题!这不应该是“allowJs”:真的吗?