refactor: use helper types instead of duplications

package.json

@@ -62,7 +62,7 @@
 		"@typescript-eslint/eslint-plugin": "^4.25.0",
 		"@typescript-eslint/parser": "^4.25.0",
 		"@wessberg/rollup-plugin-ts": "^1.3.14",
-		"sandhog": "^1.0.38",
+		"sandhog": "^1.0.40",
 		"@wessberg/ts-config": "^1.1.0",
 		"ava": "^3.15.0",
 		"eslint": "^7.27.0",
@@ -82,6 +82,7 @@
 		"typescript": "^4.2.4",
 		"memfs": "^3.2.2",
 		"npm-check-updates": "^11.5.13",
+		"tslib": "^2.2.0",
 		"typescript-3-2-1": "npm:[email protected]",
 		"typescript-3-3-1": "npm:[email protected]",
 		"typescript-3-4-1": "npm:[email protected]",
@@ -101,7 +102,7 @@
 		"fast-glob": "^3.2.5",
 		"reserved-words": "^0.1.2",
 		"resolve": "^1.20.0",
-		"tslib": "^2.2.0"
+		"helpertypes": "^0.0.1"
 	},
 	"peerDependencies": {
 		"typescript": ">=3.2.x || >= 4.x"

prettier.config.js

@@ -1 +1,2 @@
+// eslint-disable-next-line @typescript-eslint/no-require-imports
 module.exports = require("@wessberg/ts-config/prettier.config");

script/generate-built-in-module-map.ts

@@ -2,7 +2,7 @@ import Module from "module";
 import {join} from "path";
 import {existsSync, mkdirSync, writeFileSync} from "fs";
 import {format} from "prettier";
-// @ts-ignore
+
 import prettierConfig from "../prettier.config.js";
 
 const IGNORED_MODULE_NAMES = new Set([
@@ -54,7 +54,7 @@ function generateBuiltInModule(): string {
  * @file This file is auto-generated. Do not change its contents.
  */
 
-import {ElementOf} from "../util/element-of";
+import {ElementOf} from "helpertypes";
 import {ModuleExports} from "../module-exports/module-exports";
 
 export const BUILT_IN_MODULE = new Set([

src/api/transform.ts

@@ -1,8 +1,8 @@
 import {transformTask} from "../cli/task/transform/transform-task";
 import {createTransformTaskOptions} from "../shared/task/create-transform-task-options";
 import {TransformTaskOptions} from "../shared/task/transform-task-options";
-import {PartialExcept} from "../type/type-util";
 import {TransformResult} from "../shared/task/transform-result";
+import {PartialExcept} from "helpertypes";
 
 export async function transform(options: PartialExcept<TransformTaskOptions, "input" | "outDir">): Promise<TransformResult> {
 	return transformTask(createTransformTaskOptions(options));

src/shared/task/create-transform-task-options.ts

@@ -1,9 +1,9 @@
 import {realFileSystem} from "../file-system/file-system";
 import {TransformTaskOptions} from "./transform-task-options";
 import {createTaskOptions} from "./create-task-options";
-import {PartialExcept} from "../../type/type-util";
 import {isAbsolute, join} from "../../transformer/util/path-util";
 import {ensureArray} from "../util/util";
+import {PartialExcept} from "helpertypes";
 
 export function createTransformTaskOptions({
 	fileSystem = realFileSystem,

src/shared/task/transform-task-options.ts

@@ -1,6 +1,6 @@
 import {TaskOptions} from "./task-options";
-import {MaybeArray} from "../../type/type-util";
 import {FileSystem} from "../file-system/file-system";
+import {MaybeArray} from "helpertypes";
 
 export interface TransformHooks {
 	/**

src/transformer/built-in/built-in-module-map.ts

@@ -3,7 +3,7 @@
  * @file This file is auto-generated. Do not change its contents.
  */
 
-import {ElementOf} from "../util/element-of";
+import {ElementOf} from "helpertypes";
 import {ModuleExports} from "../module-exports/module-exports";
 
 export const BUILT_IN_MODULE = new Set([

src/transformer/util/path-util.ts

@@ -1,6 +1,6 @@
 import path, {ParsedPath} from "path";
 import slash from "slash";
-import {ElementOf} from "./element-of";
+import {ElementOf} from "helpertypes";
 
 export const KNOWN_EXTENSIONS = [".d.ts", ".d.dts.map", ".js.map", ".ts", ".tsx", ".js", ".jsx", ".mjs", ".mjsx", ".json", ".tsbuildinfo"] as const;
 

test/setup/execute-api.ts

@@ -1,9 +1,9 @@
 import {TestFile} from "./test-file";
 import {TestContext} from "./test-context";
-import {MaybeArray} from "../../src/type/type-util";
 import {createTestSetup} from "./test-setup";
 import {transform} from "../../src/api/transform";
 import {createTestResult, TestResult} from "./test-result";
+import {MaybeArray} from "helpertypes";
 
 /**
  * Prepares a test via the transform function

test/setup/execute-cli.ts

@@ -1,11 +1,11 @@
 import {TestFile} from "./test-file";
 import {TestContext} from "./test-context";
-import {MaybeArray} from "../../src/type/type-util";
 import {createTestSetup} from "./test-setup";
 import {configureCommands} from "../../src/cli/configure-commands";
 import {shouldDebug} from "../../src/transformer/util/should-debug";
 import {join, relative} from "../../src/transformer/util/path-util";
 import {createTestResult, TestResult} from "./test-result";
+import {MaybeArray} from "helpertypes";
 
 export interface CliTestContext extends TestContext {
 	args: string[];

test/setup/execute-rollup.ts

@@ -3,10 +3,10 @@ import typescriptRollupPlugin from "@wessberg/rollup-plugin-ts";
 import nodeResolve from "@rollup/plugin-node-resolve";
 import {cjsToEsm} from "../../src/transformer/cjs-to-esm";
 import {dirname, isAbsolute, join, nativeNormalize, normalize} from "../../src/transformer/util/path-util";
-import {MaybeArray} from "../../src/type/type-util";
 import {TestFile} from "./test-file";
 import {TestContext} from "./test-context";
 import {createTestSetup} from "./test-setup";
+import {MaybeArray} from "helpertypes";
 
 export interface RollupTestContext extends TestContext {
 	rollupOptions: Partial<RollupOptions>;

test/setup/execute-transformer.ts

@@ -4,8 +4,8 @@ import {normalize} from "../../src/transformer/util/path-util";
 import {createTestResult, TestResult} from "./test-result";
 import {TestFile} from "./test-file";
 import {TestContext} from "./test-context";
-import {MaybeArray} from "../../src/type/type-util";
 import {createTestSetup} from "./test-setup";
+import {MaybeArray} from "helpertypes";
 
 /**
  * Prepares a test

test/setup/test-context.ts

@@ -1,7 +1,7 @@
 import {isInDebugMode} from "../util/is-in-debug-mode";
 import * as TSModule from "typescript";
-import {PartialExcept} from "../../src/type/type-util";
 import {TransformTaskOptions} from "../../src/shared/task/transform-task-options";
+import {PartialExcept} from "helpertypes";
 
 export interface TestContext extends PartialExcept<TransformTaskOptions, "typescript" | "cwd"> {}
 

test/setup/test-file.ts

@@ -1,7 +1,7 @@
 import {join} from "../../src/transformer/util/path-util";
 import {TestContext} from "./test-context";
-import {MaybeArray} from "../../src/type/type-util";
 import {ensureArray, generateRandomPath} from "../../src/shared/util/util";
+import {MaybeArray} from "helpertypes";
 
 export interface TestFileRecord {
 	fileName: string;

test/setup/test-setup.ts

@@ -1,10 +1,10 @@
 import {createTestContext, TestContext} from "./test-context";
 import {FileSystem} from "../../src/shared/file-system/file-system";
 import {createTestFileStructure, TestFile, TestFileStructure} from "./test-file";
-import {MaybeArray} from "../../src/type/type-util";
 import {createVirtualFileSystem} from "./create-virtual-file-system";
 import {TS} from "../../src/type/ts";
 import {createCompilerHost} from "../../src/shared/compiler-host/create-compiler-host";
+import {MaybeArray} from "helpertypes";
 
 export interface TestSetup {
 	context: TestContext;

tsconfig.build.json

@@ -3,6 +3,7 @@
 	"include": ["src/**/*.*"],
 	"compilerOptions": {
 		"declaration": true,
-		"declarationMap": true
+		"declarationMap": true,
+		"allowJs": false
 	}
 }

tsconfig.json

@@ -3,6 +3,7 @@
 	"compilerOptions": {
 		"module": "commonjs",
 		"target": "es2018",
-		"resolveJsonModule": true
+		"resolveJsonModule": true,
+		"allowJs": true
 	}
 }