html_min

library0.6.9-patch1jsnpmunverified

A highly configurable, well-tested JavaScript-based HTML minifier with lint-like capabilities. Current stable version is 0.6.9-patch1 (released in 2016). It reduces HTML size by removing comments, whitespace, redundant attributes, etc. Compared to alternatives like Will Peavy's minifier or htmlcompressor.com, it consistently achieves smaller output sizes across multiple real-world websites. The tool offers a comprehensive set of options and can be used via CLI or programmatic API. It supports Node.js >=0.10.0 and is available on npm.

devops

npm install html_min

github ↗package ↗homepage ↗

INSTALL

IMPORT

SIG · HTML_MIN

html_min

devopsjavascriptv0.6.9-patch1

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

minify

✓ import { minify } from 'html-minifier';

✗ const minify = require('html-minifier').minify;

Default export is the minify function. In CommonJS, use require('html-minifier').minify.

default (minify)

✓ import minify from 'html-minifier';

✗ const minify = require('html-minifier');

Package has a default export (the minify function). CommonJS require returns the minify function directly.

Options

✓ import { Options } from 'html-minifier';

TypeScript users can import the Options type for config objects.

Minifies HTML by removing comments and collapsing whitespace, with JS and CSS minification enabled.

import { minify } from 'html-minifier'; const html = '<html> <head> <title>Test</title> </head> <body>  <p>Hello</p> </body></html>'; const result = minify(html, { removeComments: true, collapseWhitespace: true, minifyJS: true, minifyCSS: true }); console.log(result); // Output: <html><head><title>Test</title></head><body><p>Hello</p></body></html>

Debug

Known issues

gotchacollapseWhitespace can remove necessary whitespace in pre tags and inline elements

fix

Use conservativeCollapse or ignore custom elements via options

affects: *

gotchaSetting minifyJS to true can cause errors if JavaScript contains syntax issues

fix

Ensure JS is valid; use a custom minify function for graceful handling

affects: *

gotchaOptions are case-sensitive; e.g., collapseWhitespace not collapsewhitespace

fix

Use exact option names from documentation

affects: *

Errors

Common errors & fixes

TypeError: html_minifier is not a function

Using wrong import (default vs named export) in CommonJS

fix

Use const minify = require('html-minifier'); or const { minify } = require('html-minifier');

Error: Cannot find module 'html-minifier'

Package not installed or typo in package name

fix

Run 'npm install html-minifier' and check package.json

UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'replace' of undefined

Passing undefined or null as first argument to minify

fix

Ensure html input is a non-null string

Upgrade

Version history

0.6.9-patch1latest on npm

Audit

Dependencies

No dependency data recorded yet.

Agent activity

4 hits · last 30 days

node

Resources

githubhttps://github.com/kangax/html-minifier ↗

packagehtml_min ↗

homepagehttp://kangax.github.io/html-minifier/ ↗