本文主要是介绍在vue-admin-element中植入TypeScript，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
- 安装ts
npm install --save-dev typescript
npm install --save-dev ts-loader
- 在根目录建tsconfig.json文件
{"compilerOptions": {"target": "esnext","module": "esnext","strict": true,"jsx": "preserve","importHelpers": true,"moduleResolution": "node","noImplicitAny": false,"experimentalDecorators": true,"esModuleInterop": true,"allowSyntheticDefaultImports": true,"sourceMap": true,"baseUrl": ".","types": ["node","jest","webpack-env"],"paths": {"@/*": ["src/*"]},"lib": ["esnext","dom","dom.iterable","scripthost"]},"include": ["src/**/*.js","src/**/*.ts","src/**/*.tsx","src/**/*.vue","tests/**/*.js","tests/**/*.ts","tests/**/*.tsx",],"exclude": ["node_modules"]
}
- 在package-lock.json文件中的dependencies里添加以下代码
"@vue/cli-plugin-typescript": {"version": "3.11.0","resolved": "https://registry.npmjs.org/@vue/cli-plugin-typescript/-/cli-plugin-typescript-3.11.0.tgz","integrity": "sha512-oL0ctNVvbD7gZr3DDv6gxxWjw0lUrh4sGMk7InCakEooo/790DqZRX6lx9stXEv/+zELkgddcY3hjNEopbJg+w==","dev": true,"requires": {"@types/webpack-env": "^1.13.9","@vue/cli-shared-utils": "^3.11.0","fork-ts-checker-webpack-plugin": "^0.5.2","globby": "^9.2.0","ts-loader": "^6.2.0","tslint": "^5.15.0","webpack": "^4.0.0","yorkie": "^2.0.0"}},"ts-loader": {"version": "6.2.0","resolved": "https://registry.npmjs.org/ts-loader/-/ts-loader-6.2.0.tgz","integrity": "sha512-XYsjfnRQCBum9AMRZpk2rTYSVpdZBpZK+kDh0TeT3kxmQNBDVIeUjdPjY5RZry4eIAb8XHc4gYSUiUWPYvzSRw==","dev": true,"requires": {"chalk": "^2.3.0","enhanced-resolve": "^4.0.0","loader-utils": "^1.0.2","micromatch": "^3.1.4","semver": "^5.0.1"}},
- 在package.json文件中的devDependencies里添加以下代码
"@vue/cli-plugin-typescript": "^3.11.0","@vue/eslint-config-typescript": "^4.0.0",
- 覆盖jest.config.js文件
module.exports = {moduleFileExtensions: ['js','jsx','json','vue','ts','tsx'],transform: {'^.+\\.vue$': 'vue-jest','.+\\.(css|styl|less|sass|scss|svg|png|jpg|ttf|woff|woff2)$': 'jest-transform-stub','^.+\\.tsx?$': 'ts-jest'},moduleNameMapper: {'^@/(.*)$': '<rootDir>/src/$1'},snapshotSerializers: ['jest-serializer-vue'],testMatch: ['**/tests/unit/**/*.spec.(js|jsx|ts|tsx)|**/__tests__/*.(js|jsx|ts|tsx)'],collectCoverage: true,collectCoverageFrom: ['src/utils/**/*.{ts,vue}','!src/utils/auth.ts','!src/utils/request.ts','src/components/**/*.{ts,vue}'],coverageDirectory: '<rootDir>/tests/unit/coverage',coverageReporters: ['lcov','text-summary'],testURL: 'http://localhost/',globals: {'ts-jest': {babelConfig: true}}
}
- 修改.eslintrc.js文件(添加对ts文件语法支持)
extends: ['plugin:vue/recommended', 'eslint:recommended', '@vue/standard','@vue/typescript'],
- 在src目录下新建shims-vue.d.ts文件代码如下
declare module '*.vue' {import Vue from 'vue'export default Vue
}
- 改造vue文件(因为 TypeScript 默认只识别 .ts 文件，不识别 .vue 文件)
// <script>标签添加lang="ts"声明
<script lang="ts">
- 最后修改根目录下的main.js的文件后缀为main.ts
现在就可以在vue-admin-element项目中使用ts文件了
注：
- 在ts文件中引入vue文件时必须加上**.vue**后缀
- 如果运行时报错，那么请重新安装依赖，执行如下命令
npm install
或者使用yarn
yarn
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