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webpack搭建typescript项目

基于webpack的typescript项目搭建

  1. 该项目是搭建了一个数值转换的前端项目,使用了webpack,typescript
  2. 重点学习webpack.config.js的配置

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="container">
        <h1>Hex-verter</h1>
        <div class="input">
            <label for="decimal">decimal: </label>
            <input type="text" id="decimalInput" class="decimal">
            <input type="submit" value="convert to hexadecimal" id="convert-button" class="decimal">
        </div>
        <div class="intermediate">
            <p id="binary-raw">binary: </p>
        </div>
        <div class="intermediate">
            <p id="binary-grouped">grouped: </p>
        </div>
        <div class="intermediate">
            <p id="hexadecimal-grouped">hex (grouped): </p>
        </div>
        <div class="output">
            <p id="hexadecimal">final: </p>
        </div>
    </div>
    <script src="dist/main.js"></script>
</body>
</html>

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/webpack.config.js

const path = require("path");
module.exports = {
  // 当前文件所在的文件夹
  context: __dirname,
  // 入口文件
  entry: "./src/hex-verter/main.ts",
  // 输出文件夹,文件名称
  output: {
    filename: "main.js",
    path: path.resolve(__dirname, "dist"),
    publicPath: "/dist/",
  },
 
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: {
          loader: "ts-loader",
        },
      },
    ],
  },
 
  resolve: {
    extensions: [".ts"],
  },
};

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/package.json

{
  "name": "npm-test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "npm run install-missing-dependencies && npm run build && npm run serve",
    "install-missing-dependencies": "npm i",
    "build": "webpack --config webpack.config.js",
    "serve": "http-server"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "http-server": "^14.1.0",
    "node": "^17.7.2",
    "ts-loader": "^9.2.9",
    "typescript": "^4.6.4",
    "webpack": "^5.72.0",
    "webpack-cli": "^4.9.2"
  }
}

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */
 
    /* Projects */
    // "incremental": true,                              /* Enable incremental compilation */
    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
    // "tsBuildInfoFile": "./",                          /* Specify the folder for .tsbuildinfo incremental compilation files. */
    // "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": ["es2017", "dom"],                                        /* 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. */
 
    /* Modules */
    "module": "es6",                                /* Specify what module code is generated. */
    //"rootDir": "src",                                  /* Specify the root folder within your source files. */
    "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
    // resolves import statements in the same manner
    // as nodejs
    // "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": ["node"],                                      /* Specify type package names to be included without being referenced in a source file. */
    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
    // "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,                              /* 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. */
    // Sourcemaps specify a mapping between the original source code and the minified
    // webpack result, so for example the error messages in the page inspector will
    // point to the original (readable) source code.
    // "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. */
    // "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 */
    // "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": 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,               /* Type catch clause variables as 'unknown' instead of 'any'. */
    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
    // "noUnusedLocals": true,                           /* Enable error reporting when a 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,                 /* Include 'undefined' in index signature results */
    // "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. */
  },
 
  "exclude": ["node_modules", "dist", "webpack.config.js"]
}

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/src/hex-verter/main.ts

import { hex_lookup } from "./library/constants/lookup-tables";
import { dec_to_binary, binary_to_hex } from "./library/conversions";
import { group_binary } from "./library/formatting";
 
const decimal_input: HTMLInputElement = <HTMLInputElement>(
  document.getElementById("decimalInput")
);
const conversion_button: HTMLElement = <HTMLElement>(
  document.getElementById("convert-button")
);
const binary_step: HTMLElement = <HTMLElement>(
  document.getElementById("binary-raw")
);
const grouped_binary_step: HTMLElement = <HTMLElement>(
  document.getElementById("binary-grouped")
);
const grouped_hex_step: HTMLElement = <HTMLElement>(
  document.getElementById("hexadecimal-grouped")
);
const hex_output: HTMLElement = <HTMLElement>(
  document.getElementById("hexadecimal")
);
 
const click: () => void = () => {
  const binary: String = dec_to_binary(Number(decimal_input.value));
  binary_step.innerText = "binary: " + binary.valueOf();
 
  var tempStr: String = "grouped: ";
  const grouped_binary = group_binary(binary);
  for (let i = 0; i < grouped_binary.length; i++) {
    tempStr += grouped_binary[i] + " ";
  }
  grouped_binary_step.innerText = tempStr.valueOf();
 
  tempStr = "hex (grouped): ";
  for (let i: number = 0; i < grouped_binary.length; i++) {
    tempStr += String(binary_to_hex(grouped_binary[i])) + " ";
  }
  grouped_hex_step.innerText = tempStr.valueOf();
 
  tempStr = "final: 0x";
  for (let i: number = 0; i < grouped_binary.length; i++) {
    tempStr += String(hex_lookup[binary_to_hex(grouped_binary[i])]);
  }
  hex_output.innerText = tempStr.valueOf();
};
 
conversion_button.addEventListener("click", click);

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/src/hex-verter/library/formatting.ts

export function group_binary(number: String): String[] {
  var digits: string[] = [];
 
  const number_split: string[] = number.split("").reverse();
  var group_count: number =
    (number_split.length - (number_split.length % 4)) / 4 + 1;
  if (number_split.length % 4 == 0) {
    group_count -= 1;
  }
 
  var group: string[] = [];
 
  for (let i: number = 0; i < number_split.length; i++) {
    group.push(number_split[i]);
    if (group.length == 4) {
      digits.push(group.reverse().join(""));
      group = [];
    }
  }
 
  for (let i: number = number_split.length; i < 4 * group_count; i++) {
    group.push("0");
    if (group.length == 4) {
      digits.push(group.reverse().join(""));
      group = [];
    }
  }
 
  return digits.reverse();
}

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/src/hex-verter/library/conversions.ts

export function dec_to_binary(number : number) : String {
    var digits : string[] = [];
 
    while (number > 0) {
        var digit : string = String(number % 2);
        number = (number - (number % 2))/ 2;
        digits.push(digit);
    }
 
    return digits.reverse().join("");
}
 
export function binary_to_hex(number : String) {
    var result : number = 0;
 
    for (let i : number = 0; i < 4; i++) {
        result += Number(number[i]) * 2**(3 - i);
    }
 
    return result;
}

/Users/song/Code/webgpu_learn/webgpu-for-beginners/03 typescript/finished/src/hex-verter/library/constants/lookup-tables.ts

export const hex_lookup : string[] = [
    "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"
];
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