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wtf is webpack-manifest-plugin?

dsanders11/webpack-manifest-plugin — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2024-09-18

JavaScriptAudience · developerComplexity · 2/5StaleSetup · easy

TL;DR

A webpack plugin that writes a JSON file mapping your original asset names to their final hashed filenames, so servers and templates know what to link to.

Mindmap

mindmap
  root((webpack-manifest-plugin))
    What it does
      Tracks renamed files
      Writes manifest JSON
      Cache busting helper
    Tech stack
      JavaScript
      Webpack plugin
    Use cases
      Backend asset lookup
      Combine multi builds
      Custom manifest format
    Audience
      Web developers
      Backend teams
    Setup
      Add plugin
      Run webpack
      Read manifest

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Let a Python, Ruby, or PHP backend look up the real hashed filename for an asset.

REASON 2

Combine multiple webpack builds into a single manifest file.

REASON 3

Output the manifest as YAML instead of JSON for a custom pipeline.

REASON 4

Filter or rename entries before they're written to the manifest.

What's in the stack?

JavaScriptWebpack

How it stacks up

dsanders11/webpack-manifest-plugin3rd-eden/ircb.ioa15n/a15n
LanguageJavaScriptJavaScriptJavaScript
Last pushed2024-09-182016-11-162019-04-07
MaintenanceStaleDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/52/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 30min

Yoink these prompts

Prompt 1
Show me how to add webpack-manifest-plugin to my webpack config so it outputs manifest.json.
Prompt 2
Write a Flask/Django helper function that reads manifest.json to resolve asset URLs.
Prompt 3
How do I configure webpack-manifest-plugin to merge manifests from two separate webpack builds?
Prompt 4
Configure webpack-manifest-plugin to filter out source map files from the manifest output.

Frequently asked questions

wtf is webpack-manifest-plugin?

A webpack plugin that writes a JSON file mapping your original asset names to their final hashed filenames, so servers and templates know what to link to.

What language is webpack-manifest-plugin written in?

Mainly JavaScript. The stack also includes JavaScript, Webpack.

Is webpack-manifest-plugin actively maintained?

Stale — no commits in 1-2 years (last push 2024-09-18).

How hard is webpack-manifest-plugin to set up?

Setup difficulty is rated easy, with roughly 30min to a first successful run.

Who is webpack-manifest-plugin for?

Mainly developer.

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