Replace Travis with Github actions

Two workflows have been added,

  * PHP build - Runs tests on version 7.2, 7.3, also runs phpcs
  * Node.js build - Runs tests on version 8.x, 10.x, 12.x, also
    runs ESLint

Bug: T218639

.github/workflows/node.yml

@@ -0,0 +1,27 @@
+name: Node.js build
+on:
+  [pull_request, push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-v: [8.x, 10.x, 12.x]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Use Node.js ${{ matrix.node-v }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-v }}
+
+      - name: Install package.json dependencies
+        run: npm install
+
+      - name: Run Node.js test suite
+        run: npm test
+
+      - name: Run linting
+        run: npm run lint

.github/workflows/php.yml

@@ -0,0 +1,22 @@
+name: PHP build
+on:
+  [pull_request, push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: [7.2, 7.3]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-interaction --ansi
+
+      - name: Run tests
+        run: php${{ matrix.php }} ./vendor/bin/phpunit tests/php/*
+
+      - name: Running phpcs
+        run: composer run-script cs

.travis.yml

@@ -1,5 +0,0 @@
-language: node_js
-node_js:
-  - 8
-sudo: false
-

composer.json

@@ -1,42 +1,51 @@
 {
-    "name": "wikimedia/language-data",
-    "description": "CLDR based language data and utilities.",
-    "keywords": [
-        "cldr", "cldr-data", "internationalization", "localization", "l10n"
-    ],
-    "license": "GPL-2.0-or-later",
-    "authors": [{
-        "name": "Santhosh Thottingal",
-        "email": "santhosh.thottingal@gmail.com"
-    }, {
-        "name": "Amir Aharoni"
-    }, {
-        "name": "Niklas Laxström",
-        "email": "niklas.laxstrom@gmail.com"
-    }],
-    "type": "library",
-    "require": {
+	"name": "wikimedia/language-data",
+	"description": "CLDR based language data and utilities.",
+	"keywords": [
+		"cldr",
+		"cldr-data",
+		"internationalization",
+		"localization",
+		"l10n"
+	],
+	"license": "GPL-2.0-or-later",
+	"authors": [
+		{
+			"name": "Santhosh Thottingal",
+			"email": "santhosh.thottingal@gmail.com"
+		},
+		{
+			"name": "Amir Aharoni"
+		},
+		{
+			"name": "Niklas Laxström",
+			"email": "niklas.laxstrom@gmail.com"
+		}
+	],
+	"type": "library",
+	"require": {
 		"php": ">=7.2"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "8.*",
-        "mediawiki/mediawiki-codesniffer": "29.0.0"
-    },
-    "support": {
-        "issues": "https://github.com/wikimedia/language-data/issues",
-        "irc": "irc://irc.freenode.net/mediawiki-i18n"
-    },
-    "autoload": {
-        "psr-4": {
-            "Wikimedia\\LanguageData\\": "src/"
-        }
+	},
+	"require-dev": {
+		"phpunit/phpunit": "8.*",
+		"mediawiki/mediawiki-codesniffer": "29.0.0"
+	},
+	"support": {
+		"issues": "https://github.com/wikimedia/language-data/issues",
+		"irc": "irc://irc.freenode.net/mediawiki-i18n"
+	},
+	"autoload": {
+		"psr-4": {
+			"Wikimedia\\LanguageData\\": "src/"
+		}
 	},
 	"scripts": {
 		"fix": "phpcbf",
+		"cs": "phpcs -p",
 		"test": [
-		  "composer validate --no-interaction",
-		  "phpunit tests/php/*",
-		  "phpcs -p"
+			"composer validate --no-interaction",
+			"phpunit tests/php/*",
+			"phpcs -p"
 		]
 	}
 }

package.json

@@ -36,6 +36,7 @@
   },
   "license": "GPL-2.0-or-later",
   "scripts": {
-    "test": "mocha tests/js/*.js"
+    "test": "mocha tests/js/*.js",
+    "lint": "eslint src/*.js"
   }
 }