tessl/npm-swc--html-linux-arm-gnueabihf
Super-fast HTML minifier - platform-specific native Node.js addon for Linux ARM gnueabihf architecture
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To install, run
npx @tessl/cli install tessl/npm-swc--html-linux-arm-gnueabihf@1.13.00
# SWC HTML Linux ARM
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SWC HTML Linux ARM is a platform-specific native Node.js addon that provides super-fast HTML minification capabilities for Linux ARM gnueabihf architecture systems. It's part of the SWC (Speedy Web Compiler) ecosystem and contains a compiled native binary that exposes HTML minification functionality through Rust-powered Node.js bindings, offering optimal performance through native implementation.
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## Package Information
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- **Package Name**: @swc/html-linux-arm-gnueabihf
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- **Package Type**: npm
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- **Language**: TypeScript/Rust (native addon)
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- **Installation**: Automatically installed as optional dependency of `@swc/html`
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- **Architecture**: Linux ARM gnueabihf
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- **Node.js**: >=10
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## Core Imports
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```typescript
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import { minify, minifySync, minifyFragment, minifyFragmentSync } from "@swc/html";
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import type { Options, FragmentOptions, TransformOutput } from "@swc/html";
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```
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For CommonJS:
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```javascript
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const { minify, minifySync, minifyFragment, minifyFragmentSync } = require("@swc/html");
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```
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## Basic Usage
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```typescript
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import { minify, minifySync } from "@swc/html";
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// Asynchronous HTML minification
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const result = await minify(`
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<html>
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<head>
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<title> Example </title>
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</head>
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<body>
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<p> Hello World </p>
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</body>
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</html>
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`, {
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collapseWhitespaces: "smart",
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removeComments: true
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});
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console.log(result.code);
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// <html><head><title>Example</title></head><body><p>Hello World</p></body></html>
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// Synchronous HTML minification
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const syncResult = minifySync('<p> Hello </p>', {
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collapseWhitespaces: "all"
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});
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console.log(syncResult.code);
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// <p>Hello</p>
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```
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## Architecture
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SWC HTML Linux ARM is structured around several key components:
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- **Platform-Specific Binary**: Native `.node` file (`swc-html.linux-arm-gnueabihf.node`) compiled from Rust
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- **TypeScript Interface**: Type-safe wrapper providing async/sync APIs for both documents and fragments
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- **Native Bindings**: NAPI-RS powered bindings connecting TypeScript API to Rust implementation
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- **Minification Engine**: Rust-based HTML parser, minifier, and code generator with CSS/JS integration
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- **Optional Dependency**: Automatically installed when main `@swc/html` package detects compatible ARM Linux system
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## Capabilities
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### HTML Document Minification
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Complete HTML document processing with comprehensive minification options.
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```typescript { .api }
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/**
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* Asynchronously minifies complete HTML documents
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* @param content - HTML content as string or Buffer
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* @param options - Minification configuration options
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* @returns Promise resolving to minified HTML with optional errors
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*/
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function minify(
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content: string | Buffer,
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options?: Options
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): Promise<TransformOutput>;
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/**
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* Synchronously minifies complete HTML documents
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* @param content - HTML content as string or Buffer
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* @param options - Minification configuration options
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* @returns Minified HTML with optional errors
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*/
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function minifySync(
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content: string | Buffer,
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options?: Options
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): TransformOutput;
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```
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**Usage Examples:**
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```typescript
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import { minify, minifySync } from "@swc/html";
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// Advanced minification with CSS and JS
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const advancedResult = await minify(`
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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body { margin: 0; padding: 10px; }
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.highlight { background: yellow; }
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</style>
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<script>
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function greet() {
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console.log("Hello World");
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}
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</script>
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</head>
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<body class="container">
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<h1 id="title">Welcome</h1>
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<p>This is a paragraph with lots of whitespace.</p>
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<!-- This comment will be removed -->
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<button onclick="greet()">Click me</button>
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</body>
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</html>
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`, {
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collapseWhitespaces: "smart",
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removeComments: true,
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minifyCss: true,
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minifyJs: true,
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removeEmptyAttributes: true,
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collapseBooleanAttributes: true
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});
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// Minimal configuration for quick processing
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const quickResult = minifySync('<p> Simple text </p>', {
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collapseWhitespaces: "all"
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});
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```
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### HTML Fragment Minification
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HTML fragment processing with proper parsing context and document mode support.
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```typescript { .api }
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/**
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* Asynchronously minifies HTML fragments with parsing context
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* @param content - HTML fragment content as string or Buffer
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* @param options - Fragment minification options with context
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* @returns Promise resolving to minified HTML fragment
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*/
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function minifyFragment(
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content: string | Buffer,
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options?: FragmentOptions
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): Promise<TransformOutput>;
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/**
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* Synchronously minifies HTML fragments with parsing context
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* @param content - HTML fragment content as string or Buffer
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* @param options - Fragment minification options with context
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* @returns Minified HTML fragment
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*/
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function minifyFragmentSync(
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content: string | Buffer,
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options?: FragmentOptions
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): TransformOutput;
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```
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**Usage Examples:**
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```typescript
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import { minifyFragment, minifyFragmentSync } from "@swc/html";
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// Fragment with context element
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const listFragment = await minifyFragment(`
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<li class="item"> First item </li>
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<li class="item"> Second item </li>
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`, {
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collapseWhitespaces: "smart",
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context_element: {
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tagName: "ul",
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namespace: "http://www.w3.org/1999/xhtml",
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attributes: [],
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isSelfClosing: false
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}
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});
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// Table fragment with form context
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const tableFragment = minifyFragmentSync(`
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<tr>
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<td><input type="text" name="username" required /></td>
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<td><input type="email" name="email" /></td>
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</tr>
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`, {
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collapseWhitespaces: "all",
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collapseBooleanAttributes: true,
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context_element: {
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tagName: "table",
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namespace: "http://www.w3.org/1999/xhtml",
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attributes: [],
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isSelfClosing: false
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},
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form_element: {
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tagName: "form",
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namespace: "http://www.w3.org/1999/xhtml",
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attributes: [],
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isSelfClosing: false
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}
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});
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```
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## Types
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```typescript { .api }
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/**
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* Minification configuration options for HTML documents
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*/
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interface Options {
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/** Optional filename for debugging purposes */
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filename?: string;
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/** Whether content is from iframe srcdoc attribute */
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iframeSrcdoc?: boolean;
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/** Enable/disable JavaScript processing during parsing */
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scriptingEnabled?: boolean;
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/** Force HTML5 doctype in output */
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forceSetHtml5Doctype?: boolean;
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/** Whitespace collapse strategy */
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collapseWhitespaces?:
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| "none"
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| "all"
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| "smart"
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| "conservative"
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| "advanced-conservative"
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| "only-metadata";
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/** Remove empty metadata elements (script, style, meta, link without content/attributes) */
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removeEmptyMetadataElements?: boolean;
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/** Remove HTML comments */
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removeComments?: boolean;
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/** Regex patterns for comments to preserve (e.g., license comments) */
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preserveComments?: string[];
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/** Minify conditional IE comments */
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minifyConditionalComments?: boolean;
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/** Remove empty HTML attributes */
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removeEmptyAttributes?: boolean;
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/** Remove redundant HTML attributes */
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removeRedundantAttributes?: "none" | "all" | "smart";
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/** Collapse boolean attributes (e.g., disabled="disabled" -> disabled) */
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collapseBooleanAttributes?: boolean;
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/** Normalize attribute values and names */
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normalizeAttributes?: boolean;
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/** JSON minification configuration */
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minifyJson?: boolean | { pretty?: boolean };
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/** JavaScript minification configuration */
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minifyJs?: boolean | { parser?: any; minifier?: any; codegen?: any };
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/** CSS minification configuration */
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minifyCss?:
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| boolean
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| { lib: "lightningcss" }
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| { lib: "swc"; parser?: any; minifier?: any; codegen?: any };
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/** Additional script content patterns to minify */
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minifyAdditionalScriptsContent?: [string, MinifierType][];
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/** Additional attribute patterns to minify */
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minifyAdditionalAttributes?: [string, MinifierType][];
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/** Sort space-separated attribute values alphabetically */
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sortSpaceSeparatedAttributeValues?: boolean;
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/** Sort attributes alphabetically */
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sortAttributes?: boolean;
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/** Enable HTML tag omission optimization */
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tagOmission?: boolean | "keep-head-and-body";
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/** Use self-closing syntax for void elements */
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selfClosingVoidElements?: boolean;
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/** Quote handling for attributes */
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quotes?: boolean;
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}
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/**
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* Extended options for HTML fragment minification
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*/
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interface FragmentOptions extends Options {
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/** Document parsing mode for fragment context */
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mode?: "no-quirks" | "limited-quirks" | "quirks";
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/** Context element for fragment parsing (defaults to template element) */
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context_element?: Element;
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/** Form element context for parsing form-related fragments */
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form_element?: Element;
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}
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/**
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* Supported minifier types for additional content processing
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*/
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type MinifierType = "js-module" | "js-script" | "json" | "css" | "html";
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/**
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* Result of HTML minification operation
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*/
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interface TransformOutput {
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/** Minified HTML code */
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code: string;
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/** Optional array of parsing/processing errors and warnings */
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errors?: Diagnostic[];
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}
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/**
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* HTML element representation for parsing context
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*/
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interface Element {
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/** Element tag name */
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tagName: string;
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/** Element namespace URI */
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namespace: string;
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/** Element attributes */
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attributes: Attribute[];
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/** Whether element uses self-closing syntax */
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isSelfClosing: boolean;
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}
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/**
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* HTML attribute representation
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*/
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interface Attribute {
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/** Optional attribute namespace */
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namespace?: string;
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/** Optional attribute prefix */
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prefix?: string;
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/** Attribute name */
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name: string;
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/** Optional attribute value */
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value?: string;
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}
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/**
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* Diagnostic information for errors and warnings
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*/
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interface Diagnostic {
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/** Diagnostic level (error, warning, info) */
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level: string;
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/** Human-readable diagnostic message */
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message: string;
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/** Source code location information */
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span: any;
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}
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```
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## Error Handling
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The minification functions can encounter various types of errors during HTML parsing and processing:
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```typescript
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import { minify } from "@swc/html";
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try {
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const result = await minify('<div><p>Unclosed paragraph</div>');
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// Check for parsing errors
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if (result.errors && result.errors.length > 0) {
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result.errors.forEach(error => {
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console.warn(`${error.level}: ${error.message}`);
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});
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}
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console.log(result.code);
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} catch (error) {
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console.error('Minification failed:', error);
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}
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```
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Common error scenarios:
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- **Malformed HTML**: Invalid tag structures, mismatched quotes
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- **Invalid Options**: Unsupported configuration values
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- **Memory Issues**: Extremely large input files
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- **Context Errors**: Invalid context_element or form_element in fragment options