release-calendar-events.yml

name: Release Calendar Events

on:
  workflow_dispatch:
    inputs:
      major:
        description: Electron major (e.g. 30)
        required: true
        type: string

permissions: {}

jobs:
  generate-calendar-events:
    name: Generate Calendar Events
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        with:
          script: |
            const fs = require('node:fs/promises');

            const INITIAL_MILESTONE = 64;
            const major = ${{ github.event.inputs.major }};
            const milestone = INITIAL_MILESTONE + major*2;

            const events = [['Subject', 'Start Date', 'End Date', 'All Day Event']];

            // Events for the beta milestone
            {
              const res = await fetch(`https://chromiumdash.appspot.com/fetch_milestone_schedule?mstone=${milestone - 1}`);
              const stableDate = new Date((await res.json()).mstones[0].stable_date);

              if (stableDate.getDay() !== 2) {
                throw new Error(`Expected stable date to be a Tuesday: ${stableDate}`);
              }

              let date = stableDate.toISOString().split('T')[0];
              events.push([`${major}.0.0-beta.1 (M${milestone - 1})`, date, date, 'True']);

              const kickOffDate = new Date(stableDate);
              kickOffDate.setDate(kickOffDate.getDate() - 1);
              date = kickOffDate.toISOString().split('T')[0];
              events.push([`Action: Kick Off ${major}.0.0-beta.1`, date, date, 'True']);
            }

            // Events for the main milestone
            {
              const res = await fetch(`https://chromiumdash.appspot.com/fetch_milestone_schedule?mstone=${milestone}`);
              const stableDate = new Date((await res.json()).mstones[0].stable_date);

              if (stableDate.getDay() !== 2) {
                throw new Error(`Expected stable date to be a Tuesday: ${stableDate}`);
              }

              let date = stableDate.toISOString().split('T')[0];
              events.push([`✨${major}.0.0 Stable✨ (M${milestone})`, date, date, 'True']);

              const kickOffStableDate = new Date(stableDate);
              kickOffStableDate.setDate(kickOffStableDate.getDate() - 1);
              date = kickOffStableDate.toISOString().split('T')[0];
              events.push([`Action: Kick Off ${major}.0.0`, date, date, 'True']);

              const kickOffAlphaDate = new Date(stableDate);
              kickOffAlphaDate.setDate(kickOffAlphaDate.getDate() + 1);
              date = kickOffAlphaDate.toISOString().split('T')[0];
              events.push([`Action: Kick Off ${major + 1}.0.0-alpha.1`, date, date, 'True']);

              const alphaDate = new Date(kickOffAlphaDate);
              alphaDate.setDate(alphaDate.getDate() + 1);
              date = alphaDate.toISOString().split('T')[0];
              events.push([`${major + 1}.0.0-alpha.1`, date, date, 'True']);

              const stableWeekDate = new Date(kickOffStableDate);
              stableWeekDate.setDate(stableWeekDate.getDate() - 7);
              const startDate = stableWeekDate.toISOString().split('T')[0];
              stableWeekDate.setDate(stableWeekDate.getDate() + 5);
              const endDate = stableWeekDate.toISOString().split('T')[0];
              events.push(['Stable Prep Week', startDate, endDate, 'True']);

              const stablePrepAssign = new Date(kickOffAlphaDate);
              stablePrepAssign.setDate(stablePrepAssign.getDate() - 14);
              date = stablePrepAssign.toISOString().split('T')[0];
              events.push(['Action: Stable Prep Assignment', date, date, 'True']);
            }

            await fs.writeFile(`e${major}-calendar-events.csv`, events.flatMap((row) => row.join(',')).join('\n'));
      - uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: Calendar Events E${{ github.event.inputs.major }}
          path: e${{ github.event.inputs.major }}-calendar-events.csv