action.yml

name: 'Bundle Size Action'
description: 'Compares local build artifact gzip sizes against matching files from npm release baselines.'
author: 'axios'

branding:
  icon: 'package'
  color: 'blue'

inputs:
  path:
    description: 'Path to the local project root containing built artifacts.'
    required: false
    default: '.'
  package-name:
    description: 'npm package name whose latest and previous releases provide baseline archives.'
    required: true
  release-stream:
    description: 'Optional leading major version number, such as 0 or 1, used to select npm release baselines from that release stream.'
    required: false
  files:
    description: 'Newline-delimited file paths to compare in the local project and npm release baselines.'
    required: true
  output-file:
    description: 'Path, relative to the local project root, where the JSON comparison report will be written.'
    required: false
    default: 'bundle-size-comparison.json'
  markdown-output-file:
    description: 'Path, relative to the local project root, where the Markdown comparison report will be written.'
    required: false
    default: 'bundle-size-comparison.md'

outputs:
  size:
    description: 'Total current gzip size in bytes for all compared files.'
  comparison-file:
    description: 'Absolute path to the generated JSON comparison file.'
  markdown-file:
    description: 'Absolute path to the generated Markdown comparison file.'
  total-current-gzip-size:
    description: 'Total current gzip size in bytes for all compared files.'
  total-baseline-gzip-size:
    description: 'Total selected primary-release baseline gzip size in bytes for all compared files.'
  total-delta-gzip-size:
    description: 'Difference in gzip bytes between current and selected primary-release baseline totals.'

runs:
  using: 'node24'
  main: 'dist/index.js'