fix(typings): set correct typing for tsconfig/tsConfig

.eslintignore

@@ -8,3 +8,4 @@ docs/
 presets/index.d.ts
 *.config.js
 .eslintrc.js
+src/tsconfig-raw.d.ts

package.json

@@ -8,7 +8,7 @@
   },
   "description": "A preprocessor with source maps support to help use TypeScript with Jest",
   "scripts": {
-    "prebuild": "node scripts/clean-dist.js",
+    "prebuild": "node scripts/pre-build.js",
     "build": "tsc -p tsconfig.build.json",
     "postbuild": "node scripts/post-build.js",
     "clean": "node scripts/clean.js",
@@ -114,7 +114,9 @@
     "husky": "4.x",
     "jest": "26.x",
     "js-yaml": "latest",
+    "json-schema-to-typescript": "^10.1.3",
     "lint-staged": "latest",
+    "node-fetch": "^2.6.1",
     "npm-run-all": "latest",
     "prettier": "2.x",
     "source-map": "latest",

scripts/pre-build.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const { removeSync } = require('fs-extra')
+const { compile } = require('json-schema-to-typescript')
+const fetch = require('node-fetch')
+const path = require('path')
+
+const Paths = require('./lib/paths')
+
+const tsconfigRawPath = path.join(process.cwd(), 'src', 'tsconfig-raw.d.ts')
+removeSync(Paths.distDir)
+removeSync(tsconfigRawPath)
+
+void (async () => {
+  const response = await fetch('https://json.schemastore.org/tsconfig')
+  const tsconfigSchema = await response.json()
+  const rawTsconfig = await compile(tsconfigSchema)
+  fs.writeFileSync(tsconfigRawPath, rawTsconfig)
+})()

src/config/config-set.ts

@@ -31,6 +31,7 @@ import type {
   AstTransformer,
   BabelConfig,
   BabelJestTransformer,
+  RawCompilerOptions,
   TsCompiler,
   TsJestDiagnosticsCfg,
   TsJestGlobalOptions,
@@ -423,9 +424,9 @@ export class ConfigSet {
    * Load TypeScript configuration. Returns the parsed TypeScript config and
    * any `tsConfig` options specified in ts-jest tsConfig
    */
-  protected _resolveTsConfig(compilerOptions?: CompilerOptions, resolvedConfigFile?: string): Record<string, any>
+  protected _resolveTsConfig(compilerOptions?: RawCompilerOptions, resolvedConfigFile?: string): Record<string, any>
   // eslint-disable-next-line no-dupe-class-members
-  protected _resolveTsConfig(compilerOptions?: CompilerOptions, resolvedConfigFile?: string): ParsedCommandLine {
+  protected _resolveTsConfig(compilerOptions?: RawCompilerOptions, resolvedConfigFile?: string): ParsedCommandLine {
     let config = { compilerOptions: Object.create(null) }
     let basePath = normalizeSlashes(this.rootDir)
     const ts = this.compilerModule