build(actions): add nightly build action

Add an action to run a nightly build at 22:00 UTC everyday and publish it to npm with the nightly tag.

This will allow users to use `npm install fomantic-ui@nightly` to use the latest features early.

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - name: pre-install
-      run: sh preinstall.sh
+      run: sh ./scripts/preinstall.sh
     - name: install dependencies
       run: npm install --ignore-scripts
     - name: pre fomantic install & gulp build

.github/workflows/nightly.yml

@@ -0,0 +1,31 @@
+name: Nightly
+on:
+  schedule:
+  - cron: 00 23 * * *
+jobs:
+  build:
+    name: Build nightly distribution
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        ref: develop
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12
+        registry-url: https://registry.npmjs.org/
+    - name: pre-setup
+      run: sh ./scripts/preinstall.sh
+    - name: install dependencies
+      run: npm install --ignore-scripts
+    - name: update nightly version
+      run: node ./scripts/nightly-version.js
+    - name: fomantic install & build
+      run: npx gulp install
+    - name: publish to npm
+      run: |
+        npm config set //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN
+        npm publish --tag nightly
+      env:
+        NODE_AUTH_TOKEN: ${{secrets.NPM_AUTH_TOKEN}}
+        CI: true

package.json

@@ -72,7 +72,9 @@
   },
   "devDependencies": {
     "all-contributors-cli": "^6.7.0",
-    "auto-changelog": "^1.15.0"
+    "auto-changelog": "^1.15.0",
+    "node-fetch": "^2.6.0",
+    "semver": "^6.3.0"
   },
   "engines": {
     "node": ">=10.15.3",

scripts/nightly-version.js

@@ -0,0 +1,64 @@
+// node
+const fs = require('fs')
+const path = require('path')
+
+// npm
+const fetch = require('node-fetch')
+const semver = require('semver')
+
+// pkg
+const pkg = require('../package.json')
+
+const ghBase = 'https://api.github.com'
+const repoUrlPath = 'fomantic/Fomantic-UI'
+const npmBase = 'https://registry.npmjs.org'
+const npmPackage = 'fomantic-ui'
+
+
+const getGitHubVersion = async function () {
+  return fetch(`${ghBase}/repos/${repoUrlPath}/milestones`)
+    .then(r => r.json())
+    .then(milestones => milestones.filter(m => m.title.indexOf('x') === -1)[0].title)
+}
+
+const getCurrentNpmVersion = async function () {
+  return fetch(`${npmBase}/${npmPackage}`)
+    .then(r => r.json())
+    .then(p => p['dist-tags'].nightly)
+}
+
+const getNpmPreRelease = async function () {
+  return fetch(`${npmBase}/${npmPackage}`)
+    .then(r => r.json())
+    .then(p => p['dist-tags'].nightly)
+    .then(v => semver.prerelease(v))
+    .then(pr => pr === null ? ['beta', 0] : pr)
+}
+
+const getNightlyVersion = async function () {
+  const nextVersion = await getGitHubVersion()
+  const currentNightly = await getCurrentNpmVersion()
+
+  if (semver.minor(nextVersion) === semver.minor(currentNightly)) {
+    const preRelease = await getNpmPreRelease()
+
+    return semver.inc(
+      `${nextVersion}-${preRelease[0]}.${preRelease[1]}`,
+      'prerelease'
+    )
+  } else {
+    return `${nextVersion}-beta.1`
+  }
+}
+
+getNightlyVersion()
+  .then(nightlyVersion => {
+    pkg.version = nightlyVersion
+  })
+  .then(() => {
+    fs.writeFileSync(
+      path.resolve(__dirname, '../package.json'),
+      JSON.stringify(pkg, null, 2)
+    )
+  })
+  .then(() => console.log(`Done (${pkg.version})`))