构建项目目录
tsc --init
npm init -y
shim.d.ts 文件是一个类型声明文件，用于告诉 TypeScript 编译器如何处理 Vue 的单文件组件（SFC）和其他自定义模块。为 Vue 的单文件组件和其他非 TypeScript 模块提供类型信息，以便在 TypeScript 项目中使用它们时能够正确地进行类型检查和代码提示。
相关文件
App.vue
<template>
<div>{{ x }}</div>
<div>{{ date }}</div>
</template>
<script setup lang="ts">
import moment from "moment";
const x: number = 243
const date = moment().format("YYYY-MM-DD")
</script>
<style lang="less">
@red: red;
div {
color: @red;
}
</style>
main.ts
import {createApp} from "vue";
import App from "./App.vue";
createApp(App).mount("#app")
shim.d.ts
// 识别 .vue 文件
declare module "*.vue" {
import {DefineComponent} from "vue";
const component: DefineComponent<{}, {}, any>
export default component;
}
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app"></div>
</body>
</html>
安装相关依赖
webpack5 以上的版本需要安装 webpack-cli。
webpack-dev-server 开启一个本地服务。
{
"name": "webpack-ts-vue",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"dev": "webpack-dev-server",
"build": "webpack"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"html-webpack-plugin": "^5.6.0",
"less": "^4.2.0",
"less-loader": "^12.2.0",
"mini-css-extract-plugin": "^2.9.0",
"style-loader": "^4.0.0",
"ts-loader": "^9.5.1",
"typescript": "^5.4.5",
"vue-loader": "^17.4.2",
"webpack": "^5.92.0",
"webpack-cli": "^5.1.4",
"webpack-dev-server": "^5.0.4"
},
"dependencies": {
"css-loader": "^7.1.2",
"moment": "^2.30.1",
"vue": "^3.4.27"
}
}
相关配置
tsconfig.json
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "es2016",
/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "jsx": "preserve", /* Specify what JSX code is generated. */
// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
/* Modules */
"module": "commonjs",
/* Specify what module code is generated. */
// "rootDir": "./", /* Specify the root folder within your source files. */
// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
// "resolveJsonModule": true, /* Enable importing .json files. */
// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
// "outDir": "./", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true,
/* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true,
/* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true,
/* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true
/* Skip type checking all .d.ts files. */
},
//指定编译时需要包含的文件路径
"include": [
"src/**/*"
]
}
webpack.config.js
const {Configuration} = require('webpack');
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const {VueLoaderPlugin} = require("vue-loader");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
/**
*
* @type {Configuration} 开启配置智能提示
*/
const config = {
mode: 'development',
entry: './src/main.ts',
output: {
filename: '[chunkhash].js', // 防止命名冲突
path: path.resolve(__dirname, 'dist'), // 生成目录
clean: true // 每次打包前清除之前的打包目录
},
stats: "errors-only", // 控制台只打印错误信息
plugins: [
// html 插件 使 html 文件与 webpack 关联起来
new HtmlWebpackPlugin({
template: './index.html'
}),
// 识别 vue 文件
new VueLoaderPlugin(),
// 分割 css 模块
new MiniCssExtractPlugin()
], // webpack的插件都是 class 需要 new
module: {
rules: [
// 支持 .ts 文件
{
test: /\.ts$/,
// use: "ts-loader",
use: {
loader: 'ts-loader',
// ts-loader 文档中的配置
options: {
appendTsSuffixTo: [/\.vue$/], // 支持 .vue 中的 ts 代码
}
}, // 处理文件使用 loader
},
// 1. vue-loader 2. .vue 文件声明(shim.d.ts) 3. VueLoaderPlugin 插件配置(支持 Vue3)
{
test: /\.vue$/,
use: 'vue-loader'
},
{
test: /\.css$/,
// use: ['style-loader', 'css-loader']
use: [MiniCssExtractPlugin.loader, 'css-loader'] // 打包抽离 css 文件
},
{
test: /\.less$/,
// use: ['style-loader', 'css-loader', 'less-loader']
use: [MiniCssExtractPlugin.loader, 'css-loader', 'less-loader']
}
]
},
// 分模块打包
optimization: {
splitChunks: {
cacheGroups: {
moment: {
name: "moment",
chunks: "all",
test: /[\\/]node_modules[\\/]moment[\\/]/,
},
// 抽离公共依赖
common: {
name: "common",
chunks: 'all',
minChunks: 2, // 依赖的引用次数大于2个才会被抽离
}
}
}
}
}
module.exports = config;
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