.babelrc

@@ -0,0 +1,19 @@
+{
+  "presets": [
+    ["@babel/env", {
+      "loose": true,
+      "targets": {
+        "browsers": ["last 2 versions", "safari >= 7", "ie 9"],
+        "node": "6"
+      }
+    }]
+  ],
+  "env": {
+    "test": {
+      "plugins": ["./scripts/lib/arrow-function-coverage-fix", "istanbul"]
+    }
+  },
+  "ignore": [
+    "scripts/lib/arrow-function-coverage-fix.js"
+  ]
+}

.eslintrc.js

@@ -0,0 +1,52 @@
+module.exports = {
+  'extends': [
+    'airbnb-base/legacy',
+  ],
+  'parserOptions': {
+    'sourceType': 'module',
+    'ecmaVersion': 2017,
+  },
+  'env': {
+    'node': true,
+    'es6': true,
+  },
+  "rules": {
+    // The one assertion of personal preference: no spaces before parentheses
+    // of anonymous functions
+    'space-before-function-paren': ['error', {
+      anonymous: 'never',
+      named: 'never',
+      asyncArrow: 'always',
+    }],
+    // Temporarily disabled rules
+    //
+    // no-use-before-define is a good rule, but it would make the diff for
+    // linting the code even more inscrutible than it already is.
+    'no-use-before-define': 'off',
+    // Relax some rules
+    'no-cond-assign': ['error', 'except-parens'],
+    'no-unused-vars': ['error', {
+      'args': 'none',
+    }],
+    // Disable some overly-strict airbnb style rules
+    'no-underscore-dangle': 'off',
+    'no-param-reassign': 'off',
+    'class-methods-use-this': 'off',
+    'function-paren-newline': 'off',
+    'no-plusplus': 'off',
+    'object-curly-spacing': 'off',
+    'no-multi-assign': 'off',
+    'no-else-return': 'off',
+    // While technically useless from the point of view of the regex parser,
+    // escaping characters inside character classes is more consistent. I
+    // would say that they make the regular expression more readable, if the
+    // idea of readable regular expressions wasn't absurd on its face.
+    'no-useless-escape': 'off',
+    // I'm inclined to reverse this rule to be ['error', 'always'], but not just yet
+    // IE 8 is a thing of the past and trailing commas are useful.
+    'comma-dangle': 'off',
+  },
+  'globals': {
+    'nunjucks': false,
+  },
+};

.gitattributes

@@ -0,0 +1,6 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Checkout example and test fixtures with linux line ending
+# to guarantee test successes
+tests/** text eol=lf

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,23 @@
+## Summary
+
+Proposed change:
+
+<!--
+	Please replace this with a human-friendly description of your proposed change.
+	* If you have multiple changes, try to split them into separate PRs.
+	* If this change closes an issue, please write "Closes #{number}".
+-->
+
+Closes # .
+
+
+## Checklist
+
+I've completed the checklist below to ensure I didn't forget anything. This makes reviewing this PR as easy as possible for the maintainers. And it gets this change released as soon as possible.
+
+* [ ] Proposed change helps towards [*purpose of this project*](https://github.com/mozilla/nunjucks/blob/master/CONTRIBUTING.md#purpose).
+* [ ] [*Documentation*](https://github.com/mozilla/nunjucks/tree/master/docs/) is added / updated to describe proposed change.
+* [ ] [*Tests*](https://github.com/mozilla/nunjucks/tree/master/tests) are added / updated to cover proposed change.
+* [ ] [*Changelog*](https://github.com/mozilla/nunjucks/blob/master/CHANGELOG.md) has an entry for proposed change (if user-facing fix or feature).
+
+<!-- Tick of items by replacing `[ ]` by `[x]` -->

.github/workflows/tests.yml

@@ -0,0 +1,43 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - master
+    paths:
+      - '**/*.js'
+      - 'package.json'
+      - '**/*.njk'
+      - '**/*.yml'
+      - 'tests/**/*.html'
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [11.x, 10.x, 8.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - uses: actions/cache@v2
+        id: cache-node-modules
+        with:
+          path: node_modules
+          key: ${{ matrix.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package.json') }}
+      - run: npm install
+        if: steps.cache-node-modules.outputs.cache-hit != 'true'
+      - run: npm test
+      # Commented out until this action is added in organization settings
+      # - name: Report coverage
+      #   if: success()
+      #   uses: codecov/codecov-action@v1

.gitignore

@@ -2,4 +2,13 @@ node_modules
 coverage
 .#*
 docs/_site
-docs/files
+docs/files
+/src/
+/index.js
+/index.js.map
+/tests/browser/nunjucks*
+.nyc_output
+/browser
+/tests/browser/precompiled-templates.js
+/samples/express/js/nunjucks.js
+/samples/express/js/templates.js

.npmignore

@@ -1,5 +1,8 @@
 node_modules
 coverage
+.nyc_output
 docs
 tests
 bench
+nunjucks
+scripts