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transform-loader

library0.2.4jsnpmunverified

Webpack loader that allows using browserify transforms in webpack builds. Version 0.2.4 is the latest stable release (last updated 2017). It enables reuse of existing browserify transform modules (like brfs, coffeeify) within webpack's loader pipeline. Key differentiator: bridges browserify ecosystem transforms to webpack without manual porting. Supports webpack 1.x and 2.x but is not actively maintained.

devops

github ↗package ↗

Install & Compatibility

Where this runs

tested against v? · npm install

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

node 18–226 runs

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glibc

node 18–226 runs

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Code

Verified usage

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

Loader is typically used in webpack config as string reference, not directly imported in code.

import transformLoader from 'transform-loader'

Use the subpath '/cacheable' to enable caching, not a query parameter.

import 'transform-loader/cacheable'

Loader is configured via webpack config with query string; no direct import needed.

module.exports = { module: { rules: [{ test: /\.js$/, loader: 'transform-loader?brfs' }] } }

Configures webpack to use the brfs browserify transform via transform-loader on all JavaScript files.

// webpack.config.js module.exports = { context: __dirname, entry: './index.js', module: { loaders: [ { test: /\.js$/, loader: 'transform-loader?brfs' } ] } };

Debug

Known footguns

deprecatedtransform-loader uses deprecated loader API in webpack 2+

gotchaCacheable variant must be imported as subpath '/cacheable' not as query parameter

breakingWebpack 5 removed LoaderOptionsPlugin, breaking configs using plugin transform index

gotchaApplied to all files in default config, causing performance degradation in watch mode

deprecatedProject last updated in 2017; no webpack 5 support

Upgrade

Version history

Breaking-change detection hasn't run for this library yet.

Audit

Security & dependencies

CVE tracking and dependency tree are planned for a later release.

Agent activity

13 hits · last 30 days

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Resources

githubhttps://github.com/webpack/transform-loader ↗

packagehttps://www.npmjs.com/package/transform-loader ↗