Replace Mocha and Jest with Vitest

eslint.config.mjs

@@ -1,6 +1,5 @@
 import js from "@eslint/js";
 import eslintConfigPrettier from "eslint-config-prettier";
-import mochaPlugin from "eslint-plugin-mocha";
 import globals from "globals";
 
 import tseslint from "typescript-eslint";
@@ -109,32 +108,26 @@ export default [
   {
     files: ["*/test/**"],
     languageOptions: {
-      globals: { ...globals.mocha, ...globals.node },
+      globals: { ...globals.node, ...globals.vitest },
       ecmaVersion: 2020,
     },
-    plugins: { mocha: mochaPlugin },
     rules: {
-      "mocha/no-exclusive-tests": "error",
-      "mocha/no-identical-title": "error",
       "no-console": "off",
       "prefer-arrow-callback": "off",
     },
   },
   {
     files: ["fluent-dom/test/*"],
-    languageOptions: { globals: { ...globals.browser } },
+    languageOptions: { globals: { ...globals.browser, ...globals.vitest } },
   },
   {
     files: ["fluent-react/test/**"],
     languageOptions: {
-      globals: { ...globals.browser, ...globals.jest },
+      globals: { ...globals.browser, ...globals.vitest },
       ecmaVersion: 2020,
       parserOptions: { ecmaFeatures: { jsx: true } },
     },
-    plugins: { mocha: mochaPlugin },
     rules: {
-      "mocha/no-exclusive-tests": "error",
-      "mocha/no-identical-title": "error",
       "no-unused-vars": "off",
     },
   },

fluent-bundle/CHANGELOG.md

@@ -424,7 +424,6 @@ The undocumented `_parse` export was also removed in favor of
 - Rename `MessageContext` to `FluentBundle`. (#222)
 
   The following renames have been made to the public API:
-
   - Rename `MessageContext` to `FluentBundle`.
   - Rename `MessageArgument` to `FluentType`.
   - Rename `MessageNumberArgument` to `FluentNumber`.
@@ -492,7 +491,6 @@ The undocumented `_parse` export was also removed in favor of
 ## fluent 0.6.0 (January 31, 2018)
 
 - Implement Fluent Syntax 0.5.
-
   - Add support for terms.
   - Add support for `#`, `##` and `###` comments.
   - Remove support for tags.

fluent-bundle/package.json

@@ -40,8 +40,7 @@
   ],
   "scripts": {
     "build": "tsc",
-    "postbuild": "rollup -c ../rollup.config.mjs",
-    "test": "mocha 'test/*_test.js'"
+    "postbuild": "rollup -c ../rollup.config.mjs"
   },
   "engines": {
     "node": ">=18.0.0",

fluent-bundle/src/types.ts

@@ -5,7 +5,7 @@ import { Scope } from "./scope.js";
 // In addition to this minimal interface, these objects are also expected
 // to be supported by Intl.DateTimeFormat
 interface TemporalInstant {
-  epochMilliseconds: number
+  epochMilliseconds: number;
   toString(): string;
 }
 interface TemporalDateTypes {
@@ -14,12 +14,12 @@ interface TemporalDateTypes {
   toString(): string;
 }
 interface TemporalPlainTime {
-  hour: number
-  minute: number
-  second: number
+  hour: number;
+  minute: number;
+  second: number;
   toString(): string;
 }
-type TemporalObject = TemporalInstant | TemporalDateTypes | TemporalPlainTime
+type TemporalObject = TemporalInstant | TemporalDateTypes | TemporalPlainTime;
 
 export type FluentValue = FluentType<unknown> | string;
 

fluent-bundle/test/arguments_test.js

@@ -8,12 +8,12 @@ import { FluentType, FluentNumber, FluentDateTime } from "../esm/types.js";
 suite("Variables", function () {
   let bundle, errs;
 
-  setup(function () {
+  beforeEach(function () {
     errs = [];
   });
 
   suite("in values", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -58,7 +58,7 @@ suite("Variables", function () {
   });
 
   suite("in selectors", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -78,7 +78,7 @@ suite("Variables", function () {
   });
 
   suite("in function calls", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -96,7 +96,7 @@ suite("Variables", function () {
   });
 
   suite("simple errors", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -158,7 +158,7 @@ suite("Variables", function () {
   suite("and strings", function () {
     let args;
 
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -179,7 +179,7 @@ suite("Variables", function () {
   });
 
   suite("and numbers", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -207,7 +207,7 @@ suite("Variables", function () {
   suite("and dates", function () {
     let dtf;
 
-    suiteSetup(function () {
+    beforeAll(function () {
       dtf = new Intl.DateTimeFormat("en-US");
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
@@ -243,33 +243,33 @@ suite("Variables", function () {
       }
     }
 
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
         foo = { $arg }
         bar = { foo }
         `)
       );
+    });
 
-      const args = {
-        // CustomType is a wrapper around the value
-        arg: new CustomType(),
-      };
+    const args = {
+      // CustomType is a wrapper around the value
+      arg: new CustomType(),
+    };
+
+    test("interpolation", function () {
+      const msg = bundle.getMessage("foo");
+      const value = bundle.formatPattern(msg.value, args, errs);
+      assert.strictEqual(value, "CUSTOM");
+      assert.strictEqual(errs.length, 0);
+    });
 
-      test("interpolation", function () {
-        const msg = bundle.getMessage("foo");
-        const value = bundle.formatPattern(msg.value, args, errs);
-        assert.strictEqual(value, "CUSTOM");
-        assert.strictEqual(errs.length, 0);
-      });
-
-      test("nested interpolation", function () {
-        const msg = bundle.getMessage("bar");
-        const value = bundle.formatPattern(msg.value, args, errs);
-        assert.strictEqual(value, "CUSTOM");
-        assert.strictEqual(errs.length, 0);
-      });
+    test("nested interpolation", function () {
+      const msg = bundle.getMessage("bar");
+      const value = bundle.formatPattern(msg.value, args, errs);
+      assert.strictEqual(value, "CUSTOM");
+      assert.strictEqual(errs.length, 0);
     });
   });
 });

fluent-bundle/test/attributes_test.js

@@ -7,12 +7,12 @@ import { FluentResource } from "../esm/resource.js";
 suite("Attributes", function () {
   let bundle, args, errs;
 
-  setup(function () {
+  beforeEach(function () {
     errs = [];
   });
 
   suite("missing", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -65,7 +65,7 @@ suite("Attributes", function () {
   });
 
   suite("with string values", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -110,7 +110,7 @@ suite("Attributes", function () {
   });
 
   suite("with simple pattern values", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -173,7 +173,7 @@ suite("Attributes", function () {
   });
 
   suite("with values with select expressions", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`

fluent-bundle/test/bomb_test.js

@@ -7,12 +7,12 @@ import { FluentResource } from "../esm/resource.js";
 suite("Reference bombs", function () {
   let bundle, args, errs;
 
-  setup(function () {
+  beforeEach(function () {
     errs = [];
   });
 
   suite("Billion Laughs", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`

fluent-bundle/test/constructor_test.js

@@ -7,11 +7,11 @@ import { FluentResource } from "../esm/resource.js";
 
 suite("FluentBundle constructor", function () {
   let nfSpy;
-  setup(() => {
+  beforeEach(() => {
     nfSpy = sinon.spy(Intl, "NumberFormat");
   });
 
-  teardown(() => {
+  afterEach(() => {
     nfSpy.restore();
   });
 

fluent-bundle/test/context_test.js

@@ -8,7 +8,7 @@ suite("Bundle", function () {
   let bundle;
 
   suite("addResource", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -55,7 +55,7 @@ suite("Bundle", function () {
   });
 
   suite("allowOverrides", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       let resource1 = new FluentResource("key = Foo");
       bundle.addResource(resource1);
@@ -79,7 +79,7 @@ suite("Bundle", function () {
   });
 
   suite("hasMessage", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -122,7 +122,7 @@ suite("Bundle", function () {
   });
 
   suite("getMessage", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`

fluent-bundle/test/errors_test.js

@@ -7,7 +7,7 @@ import { FluentResource } from "../esm/resource.js";
 suite("Errors", function () {
   let bundle;
 
-  suiteSetup(function () {
+  beforeAll(function () {
     bundle = new FluentBundle("en-US", { useIsolating: false });
     bundle.addResource(
       new FluentResource(ftl`

fluent-bundle/test/functions_builtin_test.js

@@ -9,7 +9,7 @@ suite("Built-in functions", function () {
   let bundle, errors, msg;
 
   suite("NUMBER", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -475,7 +475,7 @@ suite("Built-in functions", function () {
   });
 
   suite("DATETIME", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`

fluent-bundle/test/functions_runtime_test.js

@@ -12,7 +12,7 @@ suite("Runtime-specific functions", function () {
   suite("passing into the constructor", function () {
     let bundle, errs;
 
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", {
         useIsolating: false,
         functions: {
@@ -61,7 +61,7 @@ suite("Runtime-specific functions", function () {
     /** @type {FluentBundle} */
     let bundle;
 
-    suiteSetup(() => {
+    beforeAll(() => {
       const ONE_DAY_IN_MS = 24 * 60 * 60 * 1000;
       const ONE_YEAR_IN_MS = 365 * ONE_DAY_IN_MS;
 

fluent-bundle/test/functions_test.js

@@ -7,12 +7,12 @@ import { FluentResource } from "../esm/resource.js";
 suite("Functions", function () {
   let bundle, errs;
 
-  setup(function () {
+  beforeEach(function () {
     errs = [];
   });
 
   suite("missing", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", { useIsolating: false });
       bundle.addResource(
         new FluentResource(ftl`
@@ -31,7 +31,7 @@ suite("Functions", function () {
   });
 
   suite("arguments", function () {
-    suiteSetup(function () {
+    beforeAll(function () {
       bundle = new FluentBundle("en-US", {
         useIsolating: false,
         functions: {