Typescript VSCode编译
今天项目使用了Typescript来写了点代码,然后发现了可以使用VSCode时时的编译,记录下来!
一、安装ts 执行
npm i -g typescript
二、node必须安装,自行搜索
三、先随便创建一个文件夹,里面弄一个index.ts的文件
三、在index.ts同级目录下执行
tsc --init
执行之后会生成tsconfig.json的文件,内容大概这样子:(www.gendan5.com)
{
"compilerOptions": {
/ Basic Options /
"target": "es5", / Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. /
"module": "commonjs", / Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. /
// "lib": [], / Specify library files to be included in the compilation. /
// "allowJs": true, / Allow javascript files to be compiled. /
// "checkJs": true, / Report errors in .js files. /
// "jsx": "preserve", / Specify JSX code generation: 'preserve', 'react-native', or 'react'. /
// "declaration": true, / Generates corresponding '.d.ts' file. /
// "declarationMap": true, / Generates a sourcemap for each corresponding '.d.ts' file. /
// "sourceMap": true, / Generates corresponding '.map' file. /
// "outFile": "./", / Concatenate and emit output to single file. /
// "outDir": "./", / Redirect output structure to the directory. /
// "rootDir": "./", / Specify the root directory of input files. Use to control the output directory structure with --outDir. /
// "composite": true, / Enable project compilation /
// "removeComments": true, / Do not emit comments to output. /
// "noEmit": true, / Do not emit outputs. /
// "importHelpers": true, / Import emit helpers from 'tslib'. /
// "downlevelIteration": true, / Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. /
// "isolatedModules": true, / Transpile each file as a separate module (similar to 'ts.transpileModule'). /
/* Strict Type-Checking Options */ "strict": true, /* Enable all strict type-checking options. */ // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ // "strictNullChecks": true, /* Enable strict null checks. */ // "strictFunctionTypes": true, /* Enable strict checking of function types. */ // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ /* Additional Checks */ // "noUnusedLocals": true, /* Report errors on unused locals. */ // "noUnusedParameters": true, /* Report errors on unused parameters. */ // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ /* Module Resolution Options */ // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ // "typeRoots": [], /* List of folders to include type definitions from. */ // "types": [], /* Type declaration files to be included in compilation. */ // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ /* Source Map Options */ // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ /* Experimental Options */ // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
}
}
这些东西都是有用的,文件编译之后的路径,map文件的生成等等都可以设置。英文看不懂的可以直接使用翻译软件就看得懂。
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