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使用webpack编译ts为单个文件

				
					#初始化项目包
npm init -y

#安装工具软件
npm i -D webpack webpack-cli typescript ts-loader

#typescript初始化项目
npx tsc --init
				
			
				
					//修改文件package.json 

{
  "name": "easy_search_filter",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo //下面这两行是添加的\"Error: no test specified\" && exit 1",
    "watch": "webpack --watch",
    "build": "webpack"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "jquery": "^3.6.1",
    "typescript": "^4.8.4",
    "typings": "^2.1.1"
  },
  "devDependencies": {
    "@types/jquery": "^3.5.14",
    "ts-loader": "^9.4.1",
    "webpack": "^5.74.0",
    "webpack-cli": "^4.10.0"
  }
}


				
			
				
					//创建文件webpack.config.js

const path = require('path');
const webpack = require('webpack')

//输出文件头注释
const FILE_HEADER = `// 输出文件头注释`;

module.exports = {

    //编译模式
    //none:不处理
    //development:开发模式
    //production:发布模式 - 这个模式 BannerPlugin插件设置的注释没有了.
    mode: "development",

    //需要打包的ts文件
    entry: [
        "./src/index.ts"
    ],

    //生成map文件
    devtool:'source-map',

    //输出文件
    output: {
        path: path.resolve(__dirname, 'dist'),                       //编译后的目录
        filename: "easy.js"                                         //编译出来的文件名
    },

    //指定打包时使用的模块
    module: {

        //指定编译规则
        rules: [
            {
                test: /\.ts$/,                //.ts文件
                use: 'ts-loader',             //使用ts-loader编译
                exclude: /node-modules/       //排除的文件
            }
        ]
    },

    //插件
    plugins: [
        new webpack.BannerPlugin({
            entryOnly: true,                    // 是否仅在入口包中输出 banner 信息
            raw: true,                          //原生输出,不设置的话,字符串会用/* 包起来 */
            banner: () =>
            {
                return FILE_HEADER;
            }
        })
    ]
}
				
			

//typescript 的编译检测规则文件 tsconfig.json
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
// "incremental": true,                              /* 保存 .tsbuildinfo 文件以允许增量编译项目。 */
//"traceResolution":true,
"composite": false,                                /* 启用允许 TypeScript 项目与项目引用一起使用的约束。 */
// "tsBuildInfoFile": "./.tsbuildinfo",              /* 指定 .tsbuildinfo 增量编译文件的路径. */
// "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": "ES2015", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
"lib": ["DOM","ES6"],                                        /* 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 TC39 stage 2 draft 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": "ES6", /* Specify what module code is generated. */
// "rootDir": "./",                                  /* Specify the root folder within your source files. */
// "moduleResolution": "node",                       /* 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. */
// "resolveJsonModule": true,                        /* Enable importing .json files. */
// "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,                              /* 从项目中的 TypeScript 和 JavaScript 文件生成 .d.ts 文件. */
// "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
"sourceMap": false, /* Create source map files for emitted JavaScript files. */
//"outFile": "./index.js",                                  /* 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": "build",                                   /* Specify an output folder for all emitted files. */
//删除注释
"removeComments": false,                           /* 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. */
// "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
// "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 */
//指定是否将每个文件作为单独的模块,默认为true,他不可以和declaration同时设定
// "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
// "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": false, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
//设置为false    允许将null undefined赋值给其它类型
"strictNullChecks": false,                         /* 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. */
//当this表达式的值为any类型的时候,生成一个错误
"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. */
},
"file": [
],
"exclude": [
"src/test.ts"
]
}


//编译命令
npm run build
//监视自动编译
npm run watch

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