sizereport.config.js in Preact source code.s

I found a file named sizereport.config.js in Preact source code and it has the below code. module.exports = { repo: 'preactjs/preact', path: ['./{compat,debug,hooks,}/dist/**/!(*.map)'], branch: 'main' }; I was trying to find where this config is used, but I couldn’t yet. Below are the search results: Instead I found something else. There is a size.yml in the .github folder size.yml name: Compressed Size on: workflow_call: jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - uses: actions/setup-node@v4 with: node-version-file: 'package.json' cache: 'npm' cache-dependency-path: '**/package-lock.json' - uses: preactjs/compressed-size-action@v2 with: repo-token: '${{ secrets.GITHUB_TOKEN }}' # Our `prepare` script already builds the app post-install, # building it again would be redundant build-script: 'npm run --if-present noop' This size workflow action contains this above code. It uses preactjs/compressed-size-action@v2. compressed-sized-action is another repository. Compressed Size Action A GitHub action that reports changes in compressed file sizes on your PRs. Automatically uses yarn, pnpm, bun, or npm ci when lockfiles are present Builds your PR, then builds the target and compares between the two Doesn’t upload anything or rely on centralized storage Supports custom build scripts and file patterns Read more about compress-size-action. The above image shows how this Github action reports the size changes, check out this pull request. About me: Hey, my name is Ramu Narasinga. I study large open-source projects and create content about their codebase architecture and best practices, sharing it through articles, videos. I am open to work on interesting projects. Send me an email at ramu.narasinga@gmail.com My Github — https://github.com/ramu-narasinga My website — https://ramunarasinga.com My Youtube channel — https://www.youtube.com/@thinkthroo Learning platform — https://thinkthroo.com Codebase Architecture — https://app.thinkthroo.com/architecture Best practices — https://app.thinkthroo.com/best-practices Production-grade projects — https://app.thinkthroo.com/production-grade-projects References: https://github.com/preactjs/preact/blob/main/sizereport.config.js https://github.com/search?q=repo%3Apreactjs%2Fpreact%20report&type=code https://github.com/preactjs/compressed-size-action/tree/master

Mar 7, 2025 - 06:48

sizereport.config.js in Preact source code.s

I found a file named sizereport.config.js in Preact source code and it has the below code.

module.exports = {
 repo: 'preactjs/preact',
 path: ['./{compat,debug,hooks,}/dist/**/!(*.map)'],
 branch: 'main'
};

I was trying to find where this config is used, but I couldn’t yet. Below are the search results:

Instead I found something else. There is a size.yml in the .github folder

size.yml

name: Compressed Size

on:
  workflow_call:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version-file: 'package.json'
          cache: 'npm'
          cache-dependency-path: '**/package-lock.json'
      - uses: preactjs/compressed-size-action@v2
        with:
          repo-token: '${{ secrets.GITHUB_TOKEN }}'
          # Our `prepare` script already builds the app post-install,
          # building it again would be redundant
          build-script: 'npm run --if-present noop'

This size workflow action contains this above code. It uses preactjs/compressed-size-action@v2. compressed-sized-action is another repository.

Compressed Size Action

A GitHub action that reports changes in compressed file sizes on your PRs.

Automatically uses yarn, pnpm, bun, or npm ci when lockfiles are present
Builds your PR, then builds the target and compares between the two
Doesn’t upload anything or rely on centralized storage
Supports custom build scripts and file patterns

About me:

Hey, my name is Ramu Narasinga. I study large open-source projects and create content about their codebase architecture and best practices, sharing it through articles, videos.

I am open to work on interesting projects. Send me an email at ramu.narasinga@gmail.com

My Github — https://github.com/ramu-narasinga

My website — https://ramunarasinga.com

My Youtube channel — https://www.youtube.com/@thinkthroo

Learning platform — https://thinkthroo.com

Codebase Architecture — https://app.thinkthroo.com/architecture

Best practices — https://app.thinkthroo.com/best-practices

Production-grade projects — https://app.thinkthroo.com/production-grade-projects