test: use vitest instead of jest

.eslintrc.cjs

@@ -14,9 +14,9 @@ module.exports = {
         browser: true,
     },
 
-    extends: ["plugin:@typescript-eslint/recommended", "plugin:jest/recommended", "plugin:prettier/recommended"],
+    extends: ["plugin:@typescript-eslint/recommended", "plugin:prettier/recommended"],
 
-    plugins: ["@typescript-eslint", "jest"],
+    plugins: ["@typescript-eslint"],
 
     rules: {
         // Specify any specific ESLint rules.
@@ -34,8 +34,6 @@ module.exports = {
             env: {
                 browser: false,
             },
-            extends: ["plugin:jest/recommended"],
-            plugins: ["jest"],
         },
     ],
 };

.vscode/settings.json

@@ -12,5 +12,5 @@
   "importSorter.importStringConfiguration.maximumNumberOfImportExpressionsPerLine.count": 120,
   "importSorter.importStringConfiguration.tabSize": 4,
   "importSorter.importStringConfiguration.quoteMark": "double",
-  "importSorter.importStringConfiguration.trailingComma": "multiLine"
+  "importSorter.importStringConfiguration.trailingComma": "multiLine",
 }

jest.config.js

@@ -1,16 +0,0 @@
-// SPDX-FileCopyrightText: 2021 Johannes Loher
-//
-// SPDX-License-Identifier: MIT
-
-/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
-const config = {
-    preset: "ts-jest",
-    globals: {
-        "ts-jest": {
-            tsconfig: "<rootDir>/spec/tsconfig.json",
-        },
-    },
-    setupFiles: ["<rootDir>/spec/setup.ts"],
-};
-
-export default config;

package.json

@@ -47,10 +47,13 @@
         "clean:link": "node ./tools/link-package.js --clean",
         "lint": "eslint --ext .ts,.js,.cjs,.mjs .",
         "lint:fix": "eslint --ext .ts,.js,.cjs,.mjs --fix .",
-        "test": "jest",
-        "test:watch": "jest --watch",
-        "test:ci": "jest --ci --reporters=default --reporters=jest-junit",
         "format": "prettier --write \"./**/*.(ts|js|cjs|mjs|json|scss|yml)\"",
+        "test": "run-p test:vitest test:typecheck",
+        "test:vitest": "vitest run",
+        "test:typecheck": "tsc --noEmit --project spec/tsconfig.json",
+        "test:watch": "vitest",
+        "test:ci": "run-p test:ci:vitest test:typecheck",
+        "test:ci:vitest": "vitest run --reporter=default --reporter=junit --outputFile=junit.xml",
         "typecheck": "tsc --noEmit",
         "typecheck:watch": "tsc --noEmit --watch",
         "bump-version": "node ./tools/bump-version.js",
@@ -75,19 +78,16 @@
         "@seald-io/nedb": "3.0.0",
         "@swc/core": "1.2.241",
         "@types/fs-extra": "9.0.13",
-        "@types/jest": "28.1.7",
+        "@types/node": "16.11.53",
         "@typescript-eslint/eslint-plugin": "5.34.0",
         "@typescript-eslint/parser": "5.34.0",
         "conventional-changelog-cli": "2.2.2",
         "conventional-changelog-conventionalcommits": "5.0.0",
         "eslint": "8.22.0",
         "eslint-config-prettier": "8.5.0",
-        "eslint-plugin-jest": "26.8.7",
         "eslint-plugin-prettier": "4.2.1",
         "fs-extra": "10.1.0",
         "husky": "8.0.1",
-        "jest": "28.1.3",
-        "jest-junit": "14.0.0",
         "lint-staged": "13.0.3",
         "npm-run-all": "4.1.5",
         "prettier": "2.7.1",
@@ -98,9 +98,10 @@
         "rollup-plugin-swc3": "0.3.0",
         "sass": "1.54.5",
         "semver": "7.3.7",
-        "ts-jest": "28.0.8",
         "tslib": "2.4.0",
         "typescript": "4.7.4",
+        "vite": "3.0.9",
+        "vitest": "0.22.1",
         "yargs": "17.5.1"
     },
     "lint-staged": {

renovate.json

@@ -5,6 +5,11 @@
         {
             "matchPackagePatterns": ["^@pixi"],
             "enabled": false
+        },
+        {
+            "matchPackageNames": ["@types/node"],
+            "matchUpdateTypes": ["major"],
+            "enabled": false
         }
     ]
 }

rollup.config.js

@@ -2,11 +2,12 @@
 //
 // SPDX-License-Identifier: MIT
 
-import copy from "@guanghechen/rollup-plugin-copy";
 import livereload from "rollup-plugin-livereload";
 import styles from "rollup-plugin-styles";
 import { swc } from "rollup-plugin-swc3";
 
+import copy from "@guanghechen/rollup-plugin-copy";
+
 import { distDirectory, name, sourceDirectory } from "./tools/const.js";
 import { convertJSONToPack } from "./tools/json-pack-tools.js";
 
@@ -41,9 +42,8 @@ const config = {
     },
     plugins: [
         swc({
-            minify: isProduction,
             jsc: {
-                minify: {
+                minify: isProduction && {
                     sourceMap: true,
                     mangle: {
                         keepClassNames: true,

spec/item/spell/calculate-spell-price.spec.ts

@@ -2,6 +2,8 @@
 //
 // SPDX-License-Identifier: MIT
 
+import { describe, expect, it } from "vitest";
+
 import { calculateSpellPrice } from "../../../src/item/spell/calculate-spell-price";
 
 import type { CooldownDuration, DS4SpellDataSourceData } from "../../../src/item/spell/spell-data-source";
@@ -40,6 +42,7 @@ type TestCase = {
 type CombinedTestCase = {
     minimumLevels: DS4SpellDataSourceData["minimumLevels"];
     expected: number | null;
+    description: string;
 };
 
 const testCases: Record<keyof DS4SpellDataSourceData["minimumLevels"], TestCase[]> = {
@@ -134,13 +137,16 @@ function buildCombinedTestCases(): CombinedTestCase[] {
                               wizardTestCase.expected ?? Infinity,
                           )
                         : null;
+                const minimumLevels = {
+                    healer: healerTestCase.minimumLevel,
+                    sorcerer: sorcererTestCase.minimumLevel,
+                    wizard: wizardTestCase.minimumLevel,
+                };
+                const description = JSON.stringify(minimumLevels);
                 combinedTestCases.push({
-                    minimumLevels: {
+                    minimumLevels,
-                        healer: healerTestCase.minimumLevel,
-                        sorcerer: sorcererTestCase.minimumLevel,
-                        wizard: wizardTestCase.minimumLevel,
-                    },
                     expected,
+                    description,
                 });
             }
         }
@@ -151,12 +157,15 @@ function buildCombinedTestCases(): CombinedTestCase[] {
 
     for (const spellCasterClass of ["healer", "sorcerer", "wizard"] as const) {
         for (const testCase of testCases[spellCasterClass].filter(isRelevantSingleTestCase)) {
+            const minimumLevels = {
+                ...defaultData.minimumLevels,
+                [spellCasterClass]: testCase.minimumLevel,
+            };
+            const description = JSON.stringify(minimumLevels);
             combinedTestCases.push({
-                minimumLevels: {
+                minimumLevels,
-                    ...defaultData.minimumLevels,
-                    [spellCasterClass]: testCase.minimumLevel,
-                },
                 expected: testCase.expected,
+                description,
             });
         }
     }
@@ -185,7 +194,7 @@ describe("calculateSpellPrice", () => {
             };
 
             it.each(buildCombinedTestCases())(
-                `returns ${factor} × $expected if the minimum leves are $minimumLevels`,
+                `returns ${factor} × $expected if the minimum leves are $description`,
                 ({ minimumLevels, expected }) => {
                     // given
                     const data: DS4SpellDataSourceData = {

spec/localization/localization.spec.ts

@@ -2,8 +2,10 @@
 //
 // SPDX-License-Identifier: MIT
 
-import en from "../../lang/en.json";
+import { describe, expect, it } from "vitest";
+
 import de from "../../lang/de.json";
+import en from "../../lang/en.json";
 
 describe("English and german localization files", () => {
     it("should have the same keys.", () => {

spec/rolls/check-evaluation.spec.ts

@@ -3,6 +3,8 @@
 //
 // SPDX-License-Identifier: MIT
 
+import { describe, expect, it } from "vitest";
+
 import evaluateCheck from "../../src/rolls/check-evaluation";
 
 describe("evaluateCheck with no dice", () => {

spec/tsconfig.json

@@ -1,7 +1,7 @@
 {
     "extends": "../tsconfig.json",
     "compilerOptions": {
-        "types": ["@league-of-foundry-developers/foundry-vtt-types", "jest"]
+        "types": ["@league-of-foundry-developers/foundry-vtt-types"]
     },
     "include": ["../src", "./"]
 }

vite.config.js

@@ -0,0 +1,11 @@
+// SPDX-FileCopyrightText: 2022 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+    test: {
+        setupFiles: ["./spec/setup.ts"],
+    },
+});