基于webpack的typescript项目搭建
- 该项目是搭建了一个数值转换的前端项目,使用了webpack,typescript
- 重点学习webpack.config.js的配置
<!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>
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"],
},
};
{
"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"
}
}
{
"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);
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();
}
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;
}
export const hex_lookup : string[] = [
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"
];
