Replace Travis CI with GitHub action

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*.js]
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.yml]
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request: {}
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint (ESlint)
+        run: npm run lint
+
+      - name: Lint (Prettier)
+        run: npm run check-format
+
+      - name: Lint (TypeScript)
+        run: npm run dtslint
+
+  test:
+    name: Testing
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      fail-fast: false
+      matrix:
+        operating-system: ['ubuntu-latest']
+        # https://nodejs.org/en/about/releases/
+        node-version: ['12', '14', '16', '17']
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Test
+        run: npm run test

CONTRIBUTING.md

@@ -78,14 +78,14 @@ We do linting and formatting in two phases:
 
 - Committed files are linted and formatted in a pre-commit hook. In this stage eslint-errors are forbidden,
   while warnings are allowed.
-- The travis-ci job also lints all files and checks if they are formatted correctly. In this stage, warnings
+- The GitHub CI job also lints all files and checks if they are formatted correctly. In this stage, warnings
   are forbidden.
 
-You can use the following scripts to make sure that the travis-job does not fail:
+You can use the following scripts to make sure that the CI job does not fail:
 
 - **npm run lint** will run `eslint` and fail on warnings
 - **npm run format** will run `prettier` on all files
-- **npm run check-before-pull-request** will perform all most checks that travis does in its build-job, excluding the "integration-test".
+- **npm run check-before-pull-request** will perform all most checks that our CI job does in its build-job, excluding the "integration-test".
 - **npm run integration-test** will run integration tests (using old NodeJS versions and integrations with webpack, babel and so on)
   These tests only work on a Linux-machine with `nvm` installed (for running tests in multiple versions of NodeJS).
 

README.markdown

@@ -1,6 +1,8 @@
-[![Travis Build Status](https://img.shields.io/travis/wycats/handlebars.js/master.svg)](https://travis-ci.org/wycats/handlebars.js)
-[![Appveyor Build Status](https://ci.appveyor.com/api/projects/status/github/wycats/handlebars.js?branch=master&svg=true)](https://ci.appveyor.com/project/wycats/handlebars-js)
+[![CI Build Status](https://img.shields.io/github/workflow/status/handlebars-lang/handlebars.js/ci/master)](https://github.com/handlebars-lang/handlebars.js/actions)
 [![Selenium Test Status](https://saucelabs.com/buildstatus/handlebars)](https://saucelabs.com/u/handlebars)
+[![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/handlebars/badge?style=rounded)](https://www.jsdelivr.com/package/npm/handlebars)
+[![Bundle size](https://img.shields.io/bundlephobia/minzip/handlebars?label=minified%20%2B%20gzipped)](https://bundlephobia.com/package/handlebars)
+[![Install size](https://packagephobia.com/badge?p=handlebars)](https://packagephobia.com/result?p=handlebars)
 
 Handlebars.js
 =============
@@ -102,7 +104,7 @@ does have some big performance advantages. Justin Marney, a.k.a.
 [gotascii](http://github.com/gotascii), confirmed that with an
 [independent test](http://sorescode.com/2010/09/12/benchmarks.html). The
 rewritten Handlebars (current version) is faster than the old version,
-with many [performance tests](https://travis-ci.org/wycats/handlebars.js/builds/33392182#L538) being 5 to 7 times faster than the Mustache equivalent.
+with many performance tests being 5 to 7 times faster than the Mustache equivalent.
 
 
 Upgrading

integration-testing/README.md

@@ -1,12 +1,10 @@
 Add a new integration test by creating a new subfolder
 
-Add a file "test.sh" to that runs the test. "test.sh" should exit with a non-zero exit code 
+Add a file "test.sh" to that runs the test. "test.sh" should exit with a non-zero exit code
 and display an error message, if something goes wrong.
 
-* An integration test should reflect real-world setups that use handlebars.
-* It should compile a minimal template and compare the output to an expected output.
-* It should use "../.." as dependency for Handlebars so that the currently built library is used.
+- An integration test should reflect real-world setups that use handlebars.
+- It should compile a minimal template and compare the output to an expected output.
+- It should use "../.." as dependency for Handlebars so that the currently built library is used.
 
-Currently, integration tests are only running on Linux, especially in travis-ci.
-
-
+Currently, integration tests are only running on Linux, especially in our CI GitHub action.

integration-testing/multi-nodejs-test/test.sh

@@ -7,17 +7,14 @@ cd "$( dirname "$( readlink -f "$0" )" )" || exit 1
 [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
 
 # This script tests with precompiler and the built distribution with multiple NodeJS version.
-# The rest of the travis-build will only work with newer NodeJS versions, because the build
-# tools don't support older versions.
-# However, the built distribution should work with older NodeJS versions as well.
 # This test is simple by design. It merely ensures, that calling Handlebars does not fail with old versions.
 # It does (almost) not test for correctness, because that is already done in the mocha-tests.
 # And it does not use any NodeJS based testing framework to make this part independent of the Node version.
 
 unset npm_config_prefix
 
 echo "Handlebars should be able to run in various versions of NodeJS"
-for node_version_to_test in 0.10 0.12 4 5 6 7 8 9 10 11 12 13 14 15; do
+for node_version_to_test in 12 14 16 17; do
 
     rm target node_modules package-lock.json -rf
     mkdir target