tests: add dual jest test, esm and cjs working

packages/utils/jest.cjs.config.ts

@@ -1,7 +1,20 @@
 /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
+/*
 module.exports = {
 	verbose: true,
 	preset: 'ts-jest',
 	testEnvironment: 'node',
-	testMatch: ['**/tests/*-test.ts'],
+	testMatch: ['**!/tests/!*-test.ts'],
 };
+*/
+
+import { buildConfiguration } from './jest.shared.config'
+
+export default buildConfiguration({
+	moduleFileExtensions: ['ts', 'cjs', 'js'],
+	globals: {
+		'ts-jest': {
+			useESM: false,
+		},
+	},
+})

packages/utils/jest.config.js

@@ -1,7 +0,0 @@
-/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
-module.exports = {
-	verbose: true,
-	preset: 'ts-jest',
-	testEnvironment: 'node',
-	testMatch: ['**/tests/*-test.ts'],
-};

packages/utils/jest.esm.config.ts

@@ -1,7 +1,10 @@
-/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
+import { buildConfiguration } from './jest.shared.config'
-module.exports = {
+
-	verbose: true,
+export default buildConfiguration({
-	preset: 'ts-jest',
+	moduleFileExtensions: ['ts', 'mjs', 'js'],
-	testEnvironment: 'node',
+	globals: {
-	testMatch: ['**/tests/*-test.ts'],
+		'ts-jest': {
-};
+			useESM: true,
+		},
+	},
+})

packages/utils/jest.shared.config.ts

@@ -0,0 +1,21 @@
+import type { Config } from '@jest/types'
+
+// see https://jestjs.io/docs/ecmascript-modules
+
+export const buildConfiguration = (configuration: Partial<Config.InitialOptions>): Config.InitialOptions => {
+	return Object.assign({}, {
+		verbose: true,
+		testEnvironment: 'node',
+		moduleDirectories: [
+			'node_modules',
+			'src',
+		],
+		extensionsToTreatAsEsm: ['.ts'],
+		transform: {
+			'^.+\\.ts$': 'ts-jest',
+		},
+		testMatch: [
+			'**/tests/*-test.ts',
+		],
+	}, configuration)
+}

packages/utils/package-lock.json

@@ -29,6 +29,7 @@
 				"jest": "^27.2.1",
 				"rimraf": "^3.0.2",
 				"ts-jest": "^27.0.5",
+				"ts-node": "^10.6.0",
 				"typescript": "^4.4.3",
 				"unbuild": "^0.6.9"
 			}
@@ -702,6 +703,27 @@
 			"integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
 			"dev": true
 		},
+		"node_modules/@cspotcode/source-map-consumer": {
+			"version": "0.8.0",
+			"resolved": "https://registry.npmjs.org/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz",
+			"integrity": "sha512-41qniHzTU8yAGbCp04ohlmSrZf8bkf/iJsl3V0dRGsQN/5GFfx+LbCSsCpp2gqrqjTVg/K6O8ycoV35JIwAzAg==",
+			"dev": true,
+			"engines": {
+				"node": ">= 12"
+			}
+		},
+		"node_modules/@cspotcode/source-map-support": {
+			"version": "0.7.0",
+			"resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.7.0.tgz",
+			"integrity": "sha512-X4xqRHqN8ACt2aHVe51OxeA2HjbcL4MqFqXkrmQszJ1NOUuUu5u6Vqx/0lZSVNku7velL5FC/s5uEAj1lsBMhA==",
+			"dev": true,
+			"dependencies": {
+				"@cspotcode/source-map-consumer": "0.8.0"
+			},
+			"engines": {
+				"node": ">=12"
+			}
+		},
 		"node_modules/@eslint/eslintrc": {
 			"version": "0.4.3",
 			"resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.3.tgz",
@@ -1374,6 +1396,30 @@
 				"node": ">= 6"
 			}
 		},
+		"node_modules/@tsconfig/node10": {
+			"version": "1.0.8",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
+			"integrity": "sha512-6XFfSQmMgq0CFLY1MslA/CPUfhIL919M1rMsa5lP2P097N2Wd1sSX0tx1u4olM16fLNhtHZpRhedZJphNJqmZg==",
+			"dev": true
+		},
+		"node_modules/@tsconfig/node12": {
+			"version": "1.0.9",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.9.tgz",
+			"integrity": "sha512-/yBMcem+fbvhSREH+s14YJi18sp7J9jpuhYByADT2rypfajMZZN4WQ6zBGgBKp53NKmqI36wFYDb3yaMPurITw==",
+			"dev": true
+		},
+		"node_modules/@tsconfig/node14": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.1.tgz",
+			"integrity": "sha512-509r2+yARFfHHE7T6Puu2jjkoycftovhXRqW328PDXTVGKihlb1P8Z9mMZH04ebyajfRY7dedfGynlrFHJUQCg==",
+			"dev": true
+		},
+		"node_modules/@tsconfig/node16": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
+			"integrity": "sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==",
+			"dev": true
+		},
 		"node_modules/@types/babel__core": {
 			"version": "7.1.16",
 			"resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.1.16.tgz",
@@ -1836,6 +1882,12 @@
 				"node": ">= 8"
 			}
 		},
+		"node_modules/arg": {
+			"version": "4.1.3",
+			"resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+			"integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
+			"dev": true
+		},
 		"node_modules/argparse": {
 			"version": "1.0.10",
 			"resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -2221,6 +2273,12 @@
 			"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
 			"dev": true
 		},
+		"node_modules/create-require": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
+			"integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
+			"dev": true
+		},
 		"node_modules/cross-env": {
 			"version": "7.0.3",
 			"resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.3.tgz",
@@ -2357,6 +2415,15 @@
 				"node": ">=8"
 			}
 		},
+		"node_modules/diff": {
+			"version": "4.0.2",
+			"resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+			"integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+			"dev": true,
+			"engines": {
+				"node": ">=0.3.1"
+			}
+		},
 		"node_modules/diff-sequences": {
 			"version": "27.0.6",
 			"resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-27.0.6.tgz",
@@ -5896,6 +5963,69 @@
 				}
 			}
 		},
+		"node_modules/ts-node": {
+			"version": "10.6.0",
+			"resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.6.0.tgz",
+			"integrity": "sha512-CJen6+dfOXolxudBQXnVjRVvYTmTWbyz7cn+xq2XTsvnaXbHqr4gXSCNbS2Jj8yTZMuGwUoBESLaOkLascVVvg==",
+			"dev": true,
+			"dependencies": {
+				"@cspotcode/source-map-support": "0.7.0",
+				"@tsconfig/node10": "^1.0.7",
+				"@tsconfig/node12": "^1.0.7",
+				"@tsconfig/node14": "^1.0.0",
+				"@tsconfig/node16": "^1.0.2",
+				"acorn": "^8.4.1",
+				"acorn-walk": "^8.1.1",
+				"arg": "^4.1.0",
+				"create-require": "^1.1.0",
+				"diff": "^4.0.1",
+				"make-error": "^1.1.1",
+				"v8-compile-cache-lib": "^3.0.0",
+				"yn": "3.1.1"
+			},
+			"bin": {
+				"ts-node": "dist/bin.js",
+				"ts-node-cwd": "dist/bin-cwd.js",
+				"ts-node-script": "dist/bin-script.js",
+				"ts-node-transpile-only": "dist/bin-transpile.js",
+				"ts-script": "dist/bin-script-deprecated.js"
+			},
+			"peerDependencies": {
+				"@swc/core": ">=1.2.50",
+				"@swc/wasm": ">=1.2.50",
+				"@types/node": "*",
+				"typescript": ">=2.7"
+			},
+			"peerDependenciesMeta": {
+				"@swc/core": {
+					"optional": true
+				},
+				"@swc/wasm": {
+					"optional": true
+				}
+			}
+		},
+		"node_modules/ts-node/node_modules/acorn": {
+			"version": "8.7.0",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
+			"integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
+			"dev": true,
+			"bin": {
+				"acorn": "bin/acorn"
+			},
+			"engines": {
+				"node": ">=0.4.0"
+			}
+		},
+		"node_modules/ts-node/node_modules/acorn-walk": {
+			"version": "8.2.0",
+			"resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
+			"integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==",
+			"dev": true,
+			"engines": {
+				"node": ">=0.4.0"
+			}
+		},
 		"node_modules/tslib": {
 			"version": "1.14.1",
 			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
@@ -6371,6 +6501,12 @@
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 			"dev": true
 		},
+		"node_modules/v8-compile-cache-lib": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.0.tgz",
+			"integrity": "sha512-mpSYqfsFvASnSn5qMiwrr4VKfumbPyONLCOPmsR3A6pTY/r0+tSaVbgPWSAIuzbk3lCTa+FForeTiO+wBQGkjA==",
+			"dev": true
+		},
 		"node_modules/v8-to-istanbul": {
 			"version": "8.0.0",
 			"resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-8.0.0.tgz",
@@ -6595,6 +6731,15 @@
 				"node": ">=10"
 			}
 		},
+		"node_modules/yn": {
+			"version": "3.1.1",
+			"resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+			"integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+			"dev": true,
+			"engines": {
+				"node": ">=6"
+			}
+		},
 		"node_modules/yocto-queue": {
 			"version": "0.1.0",
 			"resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
@@ -7120,6 +7265,21 @@
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 			"dev": true
 		},
+		"@cspotcode/source-map-consumer": {
+			"version": "0.8.0",
+			"resolved": "https://registry.npmjs.org/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz",
+			"integrity": "sha512-41qniHzTU8yAGbCp04ohlmSrZf8bkf/iJsl3V0dRGsQN/5GFfx+LbCSsCpp2gqrqjTVg/K6O8ycoV35JIwAzAg==",
+			"dev": true
+		},
+		"@cspotcode/source-map-support": {
+			"version": "0.7.0",
+			"resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.7.0.tgz",
+			"integrity": "sha512-X4xqRHqN8ACt2aHVe51OxeA2HjbcL4MqFqXkrmQszJ1NOUuUu5u6Vqx/0lZSVNku7velL5FC/s5uEAj1lsBMhA==",
+			"dev": true,
+			"requires": {
+				"@cspotcode/source-map-consumer": "0.8.0"
+			}
+		},
 		"@eslint/eslintrc": {
 			"version": "0.4.3",
 			"resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.3.tgz",
@@ -7659,6 +7819,30 @@
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 			"dev": true
 		},
+		"@tsconfig/node10": {
+			"version": "1.0.8",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
+			"integrity": "sha512-6XFfSQmMgq0CFLY1MslA/CPUfhIL919M1rMsa5lP2P097N2Wd1sSX0tx1u4olM16fLNhtHZpRhedZJphNJqmZg==",
+			"dev": true
+		},
+		"@tsconfig/node12": {
+			"version": "1.0.9",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.9.tgz",
+			"integrity": "sha512-/yBMcem+fbvhSREH+s14YJi18sp7J9jpuhYByADT2rypfajMZZN4WQ6zBGgBKp53NKmqI36wFYDb3yaMPurITw==",
+			"dev": true
+		},
+		"@tsconfig/node14": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.1.tgz",
+			"integrity": "sha512-509r2+yARFfHHE7T6Puu2jjkoycftovhXRqW328PDXTVGKihlb1P8Z9mMZH04ebyajfRY7dedfGynlrFHJUQCg==",
+			"dev": true
+		},
+		"@tsconfig/node16": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
+			"integrity": "sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==",
+			"dev": true
+		},
 		"@types/babel__core": {
 			"version": "7.1.16",
 			"resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.1.16.tgz",
@@ -8004,6 +8188,12 @@
 				"picomatch": "^2.0.4"
 			}
 		},
+		"arg": {
+			"version": "4.1.3",
+			"resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+			"integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
+			"dev": true
+		},
 		"argparse": {
 			"version": "1.0.10",
 			"resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -8310,6 +8500,12 @@
 				}
 			}
 		},
+		"create-require": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
+			"integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
+			"dev": true
+		},
 		"cross-env": {
 			"version": "7.0.3",
 			"resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.3.tgz",
@@ -8413,6 +8609,12 @@
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 			"dev": true
 		},
+		"diff": {
+			"version": "4.0.2",
+			"resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+			"integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+			"dev": true
+		},
 		"diff-sequences": {
 			"version": "27.0.6",
 			"resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-27.0.6.tgz",
@@ -11010,6 +11212,41 @@
 				"yargs-parser": "20.x"
 			}
 		},
+		"ts-node": {
+			"version": "10.6.0",
+			"resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.6.0.tgz",
+			"integrity": "sha512-CJen6+dfOXolxudBQXnVjRVvYTmTWbyz7cn+xq2XTsvnaXbHqr4gXSCNbS2Jj8yTZMuGwUoBESLaOkLascVVvg==",
+			"dev": true,
+			"requires": {
+				"@cspotcode/source-map-support": "0.7.0",
+				"@tsconfig/node10": "^1.0.7",
+				"@tsconfig/node12": "^1.0.7",
+				"@tsconfig/node14": "^1.0.0",
+				"@tsconfig/node16": "^1.0.2",
+				"acorn": "^8.4.1",
+				"acorn-walk": "^8.1.1",
+				"arg": "^4.1.0",
+				"create-require": "^1.1.0",
+				"diff": "^4.0.1",
+				"make-error": "^1.1.1",
+				"v8-compile-cache-lib": "^3.0.0",
+				"yn": "3.1.1"
+			},
+			"dependencies": {
+				"acorn": {
+					"version": "8.7.0",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
+					"integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
+					"dev": true
+				},
+				"acorn-walk": {
+					"version": "8.2.0",
+					"resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
+					"integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==",
+					"dev": true
+				}
+			}
+		},
 		"tslib": {
 			"version": "1.14.1",
 			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
@@ -11283,6 +11520,12 @@
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 			"dev": true
 		},
+		"v8-compile-cache-lib": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.0.tgz",
+			"integrity": "sha512-mpSYqfsFvASnSn5qMiwrr4VKfumbPyONLCOPmsR3A6pTY/r0+tSaVbgPWSAIuzbk3lCTa+FForeTiO+wBQGkjA==",
+			"dev": true
+		},
 		"v8-to-istanbul": {
 			"version": "8.0.0",
 			"resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-8.0.0.tgz",
@@ -11456,6 +11699,12 @@
 			"integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
 			"dev": true
 		},
+		"yn": {
+			"version": "3.1.1",
+			"resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+			"integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+			"dev": true
+		},
 		"yocto-queue": {
 			"version": "0.1.0",
 			"resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",

packages/utils/package.json

@@ -1,6 +1,5 @@
 {
 	"name": "@iconify/utils",
-  "type": "module",
 	"description": "Common functions for working with Iconify icon sets used by various packages.",
 	"author": "Vjacheslav Trushkin",
 	"version": "1.0.23",
@@ -20,9 +19,12 @@
 		"build-dual": "unbuild",
 		"test:jest": "jest --runInBand",
 		"test:jasmine": "cross-env NODE_OPTIONS=--experimental-vm-modules npx jasmine",
-		"test": "npm run test:jest && npm run test:jasmine"
+		"test": "npm run test:jest && npm run test:jasmine",
-	},
+    "test:jest-esm": "npm run build-dual && jest --clearCache && cross-env NODE_OPTIONS=--experimental-vm-modules npx jest --config=jest.esm.config.ts",
-  "sideEffects": false,
+    "test:jest-cjs": "npm run build-dual && jest --clearCache && jest --config=jest.cjs.config.ts",
+    "test-dual": "npm run test:jest-esm && npm run test:jest-cjs && npm run test:jasmine"
+  },
+	"sideEffects": false,
 	"exports": {
 		".": {
 			"require": "./lib/index.cjs",
@@ -127,13 +129,13 @@
 		"./lib/loader/fs": {
 			"require": "./lib/loader/fs.cjs",
 			"import": "./lib/loader/fs.mjs",
-      "types": "./lib/loader/fs.d.ts"
+			"types": "./lib/loader/fs.d.ts"
-    },
+		},
-    "./lib/loader/install-pkg": {
+		"./lib/loader/install-pkg": {
-      "require": "./lib/loader/install-pkg.cjs",
+			"require": "./lib/loader/install-pkg.cjs",
-      "import": "./lib/loader/install-pkg.mjs",
+			"import": "./lib/loader/install-pkg.mjs",
-      "types": "./lib/loader/install-pkg.d.ts"
+			"types": "./lib/loader/install-pkg.d.ts"
-    },
+		},
 		"./lib/loader/loader": {
 			"require": "./lib/loader/loader.cjs",
 			"import": "./lib/loader/loader.mjs"
@@ -142,16 +144,16 @@
 			"require": "./lib/loader/modern.cjs",
 			"import": "./lib/loader/modern.mjs"
 		},
-    "./lib/loader/node-loader": {
+		"./lib/loader/node-loader": {
-      "require": "./lib/loader/node-loader.cjs",
+			"require": "./lib/loader/node-loader.cjs",
-      "import": "./lib/loader/node-loader.mjs",
+			"import": "./lib/loader/node-loader.mjs",
-      "types": "./lib/loader/node-loader.d.ts"
+			"types": "./lib/loader/node-loader.d.ts"
-    },
+		},
-    "./lib/loader/node-loaders": {
+		"./lib/loader/node-loaders": {
-      "require": "./lib/loader/node-loaders.cjs",
+			"require": "./lib/loader/node-loaders.cjs",
-      "import": "./lib/loader/node-loaders.mjs",
+			"import": "./lib/loader/node-loaders.mjs",
-      "types": "./lib/loader/node-loaders.d.ts"
+			"types": "./lib/loader/node-loaders.d.ts"
-    },
+		},
 		"./lib/loader/types": {
 			"require": "./lib/loader/types.cjs",
 			"import": "./lib/loader/types.mjs"
@@ -159,12 +161,12 @@
 		"./lib/loader/utils": {
 			"require": "./lib/loader/utils.cjs",
 			"import": "./lib/loader/utils.mjs"
-    },
+		},
-    "./lib/loader/warn": {
+		"./lib/loader/warn": {
-      "require": "./lib/loader/warn.cjs",
+			"require": "./lib/loader/warn.cjs",
-      "import": "./lib/loader/warn.mjs",
+			"import": "./lib/loader/warn.mjs",
-      "types": "./lib/loader/warn.d.ts"
+			"types": "./lib/loader/warn.d.ts"
-    },
+		},
 		"./lib/misc/strings": {
 			"require": "./lib/misc/strings.cjs",
 			"import": "./lib/misc/strings.mjs"
@@ -184,30 +186,30 @@
 		"./lib/svg/size": {
 			"require": "./lib/svg/size.cjs",
 			"import": "./lib/svg/size.mjs"
-    },
+		},
-    "./*": "./*"
+		"./*": "./*"
-  },
+	},
-  "main": "lib/index.cjs",
+	"main": "lib/index.cjs",
-  "module": "lib/index.mjs",
+	"module": "lib/index.mjs",
-  "types": "lib/index.d.ts",
+	"types": "lib/index.d.ts",
-  "files": [
+	"files": [
-    "lib",
+		"lib",
-    "lib/colors",
+		"lib/colors",
-    "lib/customisations",
+		"lib/customisations",
-    "lib/icon",
+		"lib/icon",
-    "lib/icon-set",
+		"lib/icon-set",
-    "lib/loader",
+		"lib/loader",
-    "lib/misc",
+		"lib/misc",
-    "lib/svg",
+		"lib/svg",
-    "*.d.ts"
+		"*.d.ts"
-  ],
+	],
-  "dependencies": {
+	"dependencies": {
-    "@antfu/install-pkg": "^0.1.0",
+		"@antfu/install-pkg": "^0.1.0",
-    "@antfu/utils": "^0.3.0",
+		"@antfu/utils": "^0.3.0",
 		"@iconify/types": "^1.0.12",
 		"debug": "^4.3.3",
-    "kolorist": "^1.5.0",
+		"kolorist": "^1.5.0",
-    "local-pkg": "^0.4.0"
+		"local-pkg": "^0.4.0"
 	},
 	"devDependencies": {
 		"@iconify-json/flat-color-icons": "^1.0.2",
@@ -222,6 +224,7 @@
 		"jest": "^27.2.1",
 		"rimraf": "^3.0.2",
 		"ts-jest": "^27.0.5",
+		"ts-node": "^10.6.0",
 		"typescript": "^4.4.3",
 		"unbuild": "^0.6.9"
 	}

packages/utils/tests/file-system-icon-test.ts

@@ -1,8 +1,10 @@
-import { FileSystemIconLoader } from '../lib';
+import { FileSystemIconLoader } from '../lib/loader/node-loaders';
+
+const fixturesDir = './tests/fixtures';
 
 describe('Testing FileSystemIconLoader', () => {
 	test('FileSystemIconLoader', async () => {
-		const result = await FileSystemIconLoader(__dirname + '/fixtures')(
+		const result = await FileSystemIconLoader(fixturesDir)(
 			'circle'
 		);
 		expect(result && result.indexOf('svg') > -1).toBeTruthy();
@@ -10,7 +12,7 @@ describe('Testing FileSystemIconLoader', () => {
 
 	test('FileSystemIconLoader with transform', async () => {
 		const result = await FileSystemIconLoader(
-			__dirname + '/fixtures',
+			fixturesDir,
 			(icon) => {
 				return icon.replace('<svg ', '<svg width="1em" height="1em" ');
 			}

packages/utils/tests/get-custom-icon-test.ts

@@ -1,7 +1,7 @@
 import { promises as fs } from 'fs';
 import { getCustomIcon } from '../lib';
 
-const fixturesDir = __dirname + '/fixtures';
+const fixturesDir = './tests/fixtures';
 
 describe('Testing getCustomIcon', () => {
 	test('CustomIconLoader', async () => {

packages/utils/tests/iconify-icon-test.ts

@@ -1,20 +1,20 @@
-import { loadIcon } from '../lib';
+import { loadNodeIcon } from '../lib/loader/node-loader';
 
 describe('Testing loadIcon with @iconify-json/flat-color-icons>', () => {
 
 	test('loadIcon works', async () => {
-		const result = await loadIcon('flat-color-icons', 'up-right');
+		const result = await loadNodeIcon('flat-color-icons', 'up-right');
 		expect(result).toBeTruthy();
 	});
 
 	test('loadIcon adds xmlns:xlink', async () => {
-		const result = await loadIcon('flat-color-icons', 'up-right', { addXmlNs: true });
+		const result = await loadNodeIcon('flat-color-icons', 'up-right', { addXmlNs: true });
 		expect(result).toBeTruthy();
 		expect(result && result.indexOf('xmlns:xlink=') > - 1).toBeTruthy();
 	});
 
 	test('loadIcon with customize with default style and class', async () => {
-		const result = await loadIcon('flat-color-icons', 'up-right', {
+		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
 			defaultStyle: 'margin-top: 1rem;',
 			defaultClass: 'clazz',
 			customizations: {
@@ -33,7 +33,7 @@ describe('Testing loadIcon with @iconify-json/flat-color-icons>', () => {
 	});
 
 	test('loadIcon preserves customizations order', async () => {
-		const result = await loadIcon('flat-color-icons', 'up-right', {
+		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
 			scale: 1,
 			defaultStyle: 'color: red;',
 			defaultClass: 'clazz1',

packages/utils/tests/load-icon-test.ts

@@ -1,7 +1,8 @@
 import { promises as fs } from 'fs';
-import { CustomIconLoader, loadIcon } from '../lib';
+import type { CustomIconLoader } from '../lib';
+import { loadIcon } from '../lib';
 
-const fixturesDir = __dirname + '/fixtures';
+const fixturesDir = './tests/fixtures';
 
 const loader: CustomIconLoader = async(name) => {
 	return await fs.readFile(`${fixturesDir}/${name}.svg`, 'utf8');

packages/utils/tests/tsconfig.json

@@ -1,5 +1,5 @@
 {
-	"extends": "../tsconfig-base.json",
+	"extends": "../tsconfig.json",
 	"compilerOptions": {
 		"types": ["node", "jest"],
 		"rootDir": ".",