add release workflow

.github/workflows/release-pr.yml

@@ -0,0 +1,56 @@
+name: "Create release PR"
+
+on:
+  workflow_dispatch:
+    inputs:
+      release:
+        description: "Define release version (ex: v1, v2, v3)"
+        required: true
+
+jobs:
+  createPullRequest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Check if remote branch exists
+        env:
+          BRANCH: releases/${{ github.event.inputs.release }}
+        run: |
+          echo "##[set-output name=exists;]$(echo $(if [[ -z $(git ls-remote --heads origin ${BRANCH}) ]]; then echo false; else echo true; fi;))"
+        id: extract-branch-status
+      # these two only need to occur if the branch exists
+      - name: Checkout proper branch
+        if: ${{ steps.extract-branch-status.outputs.exists == 'true' }}
+        env:
+          BRANCH: releases/${{ github.event.inputs.release }}
+        run: git checkout ${BRANCH}
+      - name: Reset promotion branch
+        if: ${{ steps.extract-branch-status.outputs.exists == 'true' }}
+        run: |
+          git fetch origin master:master
+          git reset --hard master
+      - name: Install packages
+        run: |
+          rm -rf node_modules/
+          npm install --no-bin-links
+          npm run build
+      - name: Remove node_modules from gitignore
+        run: |
+          sed -i '/node_modules/d' ./.gitignore
+      - name: Create branch
+        uses: peterjgrainger/action-create-branch@v2.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          branch: releases/${{ github.event.inputs.release }}
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Add node modules and new code for release
+          title: ${{ github.event.inputs.release }} new release
+          base: releases/${{ github.event.inputs.release }}
+          branch: create-release
+          delete-branch: true

.github/workflows/tag-and-release.yml

@@ -0,0 +1,77 @@
+name: "Tag and create release draft"
+
+on:
+  push:
+    branches:
+      - releases/*
+
+jobs:
+  gh_tagged_release:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Test release
+        run: |
+          sudo npm install n 
+          sudo n latest
+          npm test
+      - name: Get branch ending
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF##*/} | sed 's:.*/::')"
+        id: extract-branch
+      - name: Get tags
+        run: |
+          echo "##[set-output name=tags;]$(echo $(git tag))"
+        id: extract-tags
+      - name: Get latest tag
+        uses: actions/github-script@v5
+        env:
+          TAGS: ${{ steps.extract-tags.outputs.tags }}
+          BRANCH: ${{ steps.extract-branch.outputs.branch }}
+        with:
+          script: |
+            const tags = process.env["TAGS"]
+              .split(" ")
+              .map((x) => x.trim());
+            const branch = process.env["BRANCH"];
+            const splitTag = (x) =>
+              x
+                .substring(branch.length + 1)
+                .split(".")
+                .map((x) => Number(x));
+            function compareTags(nums1, nums2, position = 0) {
+              if (nums1.length < position && nums2.length < position) return nums2;
+              const num1 = splitTag(nums1)[position] || 0;
+              const num2 = splitTag(nums2)[position] || 0;
+              if (num1 === num2) return compareTags(nums1, nums2, position + 1);
+              else if (num1 > num2) return nums1;
+              else return nums2;
+            }
+            const branchTags = tags.filter((tag) => tag.startsWith(branch));
+            if (branchTags.length < 1) return branch + ".-1"
+            return branchTags.reduce((prev, curr) => compareTags(prev, curr));
+          result-encoding: string
+        id: get-latest-tag
+      - name: Get new tag
+        uses: actions/github-script@v5
+        env:
+          PREV: ${{ steps.get-latest-tag.outputs.result }}
+        with:
+          script: |
+            let version = process.env["PREV"]
+            if (!version.includes(".")) version += ".0"; // case of v1 or v2
+            const prefix = /^([a-zA-Z]+)/.exec(version)[0];
+            const numbers = version.substring(prefix.length);
+            let split = numbers.split(".");
+            split[split.length - 1] = parseInt(split[split.length - 1]) + 1;
+            return prefix + split.join(".");
+          result-encoding: string
+        id: get-new-tag
+      - uses: "marvinpinto/action-automatic-releases@v1.2.1"
+        with:
+          title: ${{ steps.get-new-tag.outputs.result }} release
+          automatic_release_tag: ${{ steps.get-new-tag.outputs.result }}
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          draft: true