Move tests to typescript

Author: Bryan Mikaelian

.circleci/config.yml

@@ -33,7 +33,7 @@ jobs:
           paths:
             - node_modules
       - run: yarn run tsc --declaration
-      - run: yarn run karma start karma.conf.coverage.js
+      - run: yarn run karma start karma.conf.coverage.ts
       - store_test_results:
           path: junit-reports
       - run: yarn run codecov

Makefile

@@ -9,8 +9,8 @@ KARMA := node_modules/.bin/karma
 ##
 
 LIBS = $(shell find lib -type f -name "*.js")
-TESTS = $(shell find test -type f -name "*.test.js")
-SUPPORT = $(wildcard karma.conf*.js)
+TESTS = $(shell find test -type f -name "*.test.ts")
+SUPPORT = $(wildcard karma.conf*.ts)
 ALL_FILES = $(LIBS) $(TESTS) $(SUPPORT)
 
 ##
@@ -29,9 +29,9 @@ KARMA_FLAGS += --browsers $(BROWSERS)
 endif
 
 ifdef CI
-KARMA_CONF ?= karma.conf.ci.js
+KARMA_CONF ?= karma.conf.ci.ts
 else
-KARMA_CONF ?= karma.conf.js
+KARMA_CONF ?= karma.conf.ts
 endif
 
 # Mocha flags.

karma.conf.ci.js renamed to karma.conf.ci.ts

@@ -0,0 +1,63 @@
+/* eslint-env node */
+'use strict';
+
+// 10 minutes
+var TEST_TIMEOUT = 10 * 60 * 1000;
+
+module.exports = function(config) {
+  config.set({
+    files: [
+      { pattern: 'test/support/*.html', included: false },
+      'test/support/global.ts', // NOTE: This must run before all tests
+      'test/**/*.test.ts'
+    ],
+    browsers: ['ChromeHeadless'],
+
+    singleRun: true,
+
+    frameworks: ['mocha', 'karma-typescript'],
+
+    reporters: ['spec'],
+
+    preprocessors: {
+      'test/**/*.ts': 'karma-typescript'
+    },
+
+    browserNoActivityTimeout: TEST_TIMEOUT,
+
+    client: {
+      mocha: {
+        grep: process.env.GREP,
+        timeout: TEST_TIMEOUT
+      }
+    },
+
+    browserify: {
+      debug: true
+    },
+
+    karmaTypescriptConfig: {
+      bundlerOptions: {
+        transforms: [
+          require('karma-typescript-es6-transform')({
+            presets: [
+              ['@babel/preset-env', {
+                debug: true,
+                include: ["es.map", "es.set"],
+                corejs: { version: 3, proposals: true },
+                targets: "ie > 8, defaults"
+              }]
+            ]
+          })
+        ]
+      },
+      compilerOptions: {
+        module: "commonjs",
+        target: "ES5",
+        allowJs: false,
+      },
+      include: ['test'],
+      exclude: ['node_modules', 'lib', 'test-e2e']
+    }
+  });
+};

karma.conf.coverage.js renamed to karma.conf.coverage.ts

@@ -73,6 +73,7 @@
     "@types/node-fetch": "^2.5.7",
     "browserify": "13.0.0",
     "browserify-istanbul": "^3.0.1",
+    "buffer": "^4.9.2",
     "codeceptjs": "^2.6.5",
     "codecov": "^3.7.2",
     "compat-trigger-event": "^1.0.0",
@@ -96,6 +97,8 @@
     "karma-sauce-launcher": "^1.2.0",
     "karma-spec-reporter": "0.0.32",
     "karma-summary-reporter": "^1.8.0",
+    "karma-typescript": "^5.1.0",
+    "karma-typescript-es6-transform": "^5.1.0",
     "lint-staged": "^7.2.0",
     "lodash": "^4.17.15",
     "mocha": "^2.2.5",
@@ -123,5 +126,9 @@
     "transform": [
       "package-json-versionify"
     ]
+  },
+  "resolutions": {
+    "buffer": "^4.9.2",
+    "typescript": "^4.0.2"
   }
 }

karma.conf.js

@@ -35,7 +35,7 @@ describe('clone', function() {
       assert.notStrictEqual(cloned.a, input.a);
       assert.notStrictEqual(cloned.a.b, input.a.b);
       assert.notStrictEqual(cloned.a.b[2], input.a.b[2]);
-      assert.strictEqual(cloned.a.b[2].getTime(), input.a.b[2].getTime());
+      assert.strictEqual(cloned.a.b[2].getTime(), (input.a.b[2] as Date).getTime());
       assert.deepEqual(cloned.a.b[3], input.a.b[3]);
       assert.notStrictEqual(cloned.a.b[3], input.a.b[3]);
     });