chore: set up initial version

.eslintignore

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+build

.eslintrc.json

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+{
+  "env": {
+    "browser": true,
+    "es2021": true
+  },
+  "plugins": ["prettier", "unused-imports"],
+  "extends": ["airbnb-base", "plugin:prettier/recommended"],
+  "parser": "@babel/eslint-parser",
+  "overrides": [],
+  "parserOptions": {
+    "requireConfigFile": false,
+    "ecmaVersion": 11,
+    "sourceType": "module"
+  },
+  "rules": {}
+}

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: "[ISSUE]"
+labels: bug
+assignees: ''
+
+---
+
+**Describe the issue**
+Enter a clear and concise description of what the bug/issue is.
+
+**To Reproduce**
+Mention the steps to reproduce the behavior that causes the bug/issue:
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Required information (please complete the following information):**
+ - Package version: [e.g., v0.1.1]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature-request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: "[ENHANCEMENT]"
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/pull_request_template.md

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+## Description of the change
+
+< Description >
+
+## Checklists
+
+### Development
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] The code changed/added as part of this pull request has been covered with tests
+- [ ] All tests related to the changed code pass in development
+
+### Code review 
+
+- [ ] This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
+- [ ] Changes have been reviewed by at least one other engineer
+- [ ] Issue from task tracker has a link to this pull request

.github/workflows/codecov.yml

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+# https://github.com/marketplace/actions/jest-coverage-report
+name: 'coverage'
+on:
+  pull_request:
+    branches:
+      - "*"
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: ArtiomTr/jest-coverage-report-action@v2

.github/workflows/housekeeping.yml

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+name: Handle stale PRs
+
+on:
+  schedule:
+    - cron: '42 1 * * *'
+
+jobs:
+  prs:
+    name: Clean up stale PRs
+    runs-on: ubuntu-latest
+
+    permissions:
+      pull-requests: write
+
+    steps:
+      - uses: actions/stale@v5
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          operations-per-run: 200
+          stale-pr-message: 'This PR is considered to be stale. It has been open 20 days with no further activity thus it is going to be closed in 7 days. To avoid such a case please consider removing the stale label manually or add a comment to the PR.'
+          days-before-pr-stale: 20
+          days-before-pr-close: 7
+          stale-pr-label: 'Stale'
+
+  branches:
+      name: Cleanup old branches
+      runs-on: ubuntu-latest
+      steps:
+        - name: Checkout repository
+          uses: actions/checkout@v2
+        - name: Run delete-old-branches-action
+          uses: beatlabs/[email protected]
+          with:
+            repo_token: ${{ github.token }}
+            date: '6 months ago'
+            dry_run: false
+            delete_tags: false
+            extra_protected_branch_regex: ^(main|master|release.*|rudder-saas)$
+            exclude_open_pr_branches: true

.github/workflows/pr-description-enforcer.yml

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+name: 'Pull Request Description'
+on:
+  pull_request:
+    types: 
+      - opened
+      - edited
+      - reopened
+
+jobs:
+  enforce:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: rudderlabs/[email protected]
+        with:
+          repo-token: '${{ secrets.GITHUB_TOKEN }}'

.github/workflows/release-please.yml

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+on:
+  push:
+    branches:
+      - "main"
+      - "release/*"
+name: release-please
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Extract branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: extract_branch
+      - uses: google-github-actions/release-please-action@v3
+        id: release
+        with:
+          token: ${{ github.token }}
+          pull-request-title-pattern: "chore: release ${version}"
+          release-type: node
+          package-name: rudder-json-template-engine
+          default-branch: ${{ steps.extract_branch.outputs.branch }}
+          changelog-types: '[{"type":"feat","section":"Features","hidden":false},{"type":"fix","section":"Bug Fixes","hidden":false},{"type":"chore","section":"Miscellaneous","hidden":false},{"type":"refactor","section":"Miscellaneous","hidden":false},{"type":"test","section":"Miscellaneous","hidden":false},{"type":"doc","section":"Documentation","hidden":false}]'
+          bump-minor-pre-major: true
+          bump-patch-for-minor-pre-major: true
+      # The logic below handles the npm publication:
+      - uses: actions/checkout@v2
+        # these if statements ensure that a publication only occurs when
+        # a new release is created:
+        if: ${{ steps.release.outputs.release_created }}
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm ci
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm run build
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm set //registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        if: ${{ steps.release.outputs.release_created }}

.github/workflows/semantic-pr.yml

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+name: "Semantic pull requests"
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - labeled
+      - unlabeled
+      - converted_to_draft
+      - ready_for_review
+      - synchronize
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - 
+        uses: amannn/action-semantic-pull-request@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            fix
+            feat
+            chore
+            refactor
+            exp
+            doc
+            test
+          requireScope: false
+          subjectPattern: ^(?![A-Z]).+$
+          subjectPatternError: |
+            The subject "{subject}" found in the pull request title "{title}"
+            didn't match the configured pattern. Please ensure that the subject
+            doesn't start with an uppercase character.
+          # For work-in-progress PRs you can typically use draft pull requests 
+          # from GitHub. However, private repositories on the free plan don't have 
+          # this option and therefore this action allows you to opt-in to using the 
+          # special "[WIP]" prefix to indicate this state. This will avoid the 
+          # validation of the PR title and the pull request checks remain pending.
+          # Note that a second check will be reported if this is enabled.
+          wip: true
+          # When using "Squash and merge" on a PR with only one commit, GitHub
+          # will suggest using that commit message instead of the PR title for the
+          # merge commit, and it's easy to commit this by mistake. Enable this option
+          # to also validate the commit message for one commit PRs.
+          validateSingleCommit: true
+          # Related to `validateSingleCommit` you can opt-in to validate that the PR
+          # title matches a single commit to avoid confusion.
+          validateSingleCommitMatchesPrTitle: true
+          # If the PR contains one of these labels, the validation is skipped.
+          # Multiple labels can be separated by newlines.
+          # If you want to rerun the validation when labels change, you might want
+          # to use the `labeled` and `unlabeled` event triggers in your workflow.
+          ignoreLabels: |
+            bot
+            dependencies

.github/workflows/tests.yml

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+name: tests
+
+on: pull_request
+
+jobs:
+  install-and-test:
+    name: install and test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test