From cc42daf795585887664be59956d2c52244237bda Mon Sep 17 00:00:00 2001
From: Ahn <27772165+ahnpnl@users.noreply.github.com>
Date: Mon, 22 Nov 2021 08:15:52 +0100
Subject: [PATCH] refactor: define clear type for `compiler` option in
 `ts-jest` config (#3087)

---
 e2e/__tests__/custom-compiler.test.ts         |  20 +
 .../__tests__/direct-import.spec.ts           |   7 +
 .../ttypescript/package-lock.json             | 469 ++++++++++++++++++
 e2e/custom-compiler/ttypescript/package.json  |  16 +
 e2e/custom-compiler/ttypescript/share/foo.ts  |  13 +
 e2e/custom-compiler/ttypescript/tsconfig.json |  14 +
 src/types.ts                                  |   2 +-
 7 files changed, 540 insertions(+), 1 deletion(-)
 create mode 100644 e2e/__tests__/custom-compiler.test.ts
 create mode 100644 e2e/custom-compiler/ttypescript/__tests__/direct-import.spec.ts
 create mode 100644 e2e/custom-compiler/ttypescript/package-lock.json
 create mode 100644 e2e/custom-compiler/ttypescript/package.json
 create mode 100644 e2e/custom-compiler/ttypescript/share/foo.ts
 create mode 100644 e2e/custom-compiler/ttypescript/tsconfig.json

diff --git a/e2e/__tests__/custom-compiler.test.ts b/e2e/__tests__/custom-compiler.test.ts
new file mode 100644
index 0000000000..91f2be826f
--- /dev/null
+++ b/e2e/__tests__/custom-compiler.test.ts
@@ -0,0 +1,20 @@
+import path from 'path'
+
+import { json as runWithJson } from '../run-jest'
+import { runNpmInstall } from '../utils'
+
+const DIR_NAME = 'custom-compiler'
+
+describe('ttypescript', () => {
+  const TTS_DIR_NAME = 'ttypescript'
+
+  beforeAll(() => {
+    runNpmInstall(path.join(__dirname, '..', DIR_NAME, TTS_DIR_NAME))
+  })
+
+  test(`successfully runs the tests inside ${DIR_NAME}/${TTS_DIR_NAME}`, () => {
+    const { json } = runWithJson(`${DIR_NAME}/${TTS_DIR_NAME}`)
+
+    expect(json.success).toBe(true)
+  })
+})
diff --git a/e2e/custom-compiler/ttypescript/__tests__/direct-import.spec.ts b/e2e/custom-compiler/ttypescript/__tests__/direct-import.spec.ts
new file mode 100644
index 0000000000..6be37ae6cc
--- /dev/null
+++ b/e2e/custom-compiler/ttypescript/__tests__/direct-import.spec.ts
@@ -0,0 +1,7 @@
+import { getWelcomeMessage } from '@share/foo'
+
+test('should return welcome message', () => {
+  const userName = 'github-user'
+
+  expect(getWelcomeMessage(userName)).toEqual(`yolo ${userName}`)
+})
diff --git a/e2e/custom-compiler/ttypescript/package-lock.json b/e2e/custom-compiler/ttypescript/package-lock.json
new file mode 100644
index 0000000000..b80ce2adf9
--- /dev/null
+++ b/e2e/custom-compiler/ttypescript/package-lock.json
@@ -0,0 +1,469 @@
+{
+  "name": "ttypescript",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "ttypescript": "^1.5.12",
+        "typescript-transform-paths": "^3.3.1"
+      }
+    },
+    "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==",
+      "peer": 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==",
+      "peer": true,
+      "dependencies": {
+        "@cspotcode/source-map-consumer": "0.8.0"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@tsconfig/node10": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
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+      "peer": true
+    },
+    "node_modules/@tsconfig/node12": {
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+      "peer": true
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+      "version": "8.6.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.6.0.tgz",
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+      "peer": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-walk": {
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
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+      "engines": {
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+      "version": "4.1.3",
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+      "peer": true
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+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+    },
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+      "dependencies": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
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+    "node_modules/concat-map": {
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+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
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+        "ts-node-cwd": "dist/bin-cwd.js",
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+        "ts-node-transpile-only": "dist/bin-transpile.js",
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+      },
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+        },
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+      "peer": true
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+}
diff --git a/e2e/custom-compiler/ttypescript/package.json b/e2e/custom-compiler/ttypescript/package.json
new file mode 100644
index 0000000000..02b0659d4b
--- /dev/null
+++ b/e2e/custom-compiler/ttypescript/package.json
@@ -0,0 +1,16 @@
+{
+  "dependencies": {
+    "typescript-transform-paths": "^3.3.1",
+    "ttypescript": "^1.5.12"
+  },
+  "jest": {
+    "globals": {
+      "ts-jest": {
+        "compiler": "ttypescript"
+      }
+    },
+    "transform": {
+      "^.+.tsx?$": "<rootDir>/../../../dist/index.js"
+    }
+  }
+}
diff --git a/e2e/custom-compiler/ttypescript/share/foo.ts b/e2e/custom-compiler/ttypescript/share/foo.ts
new file mode 100644
index 0000000000..f057dc175e
--- /dev/null
+++ b/e2e/custom-compiler/ttypescript/share/foo.ts
@@ -0,0 +1,13 @@
+export function getWelcomeMessage(username: string): string {
+  return `yolo ${username}`
+}
+
+function getMessage(username: string): string {
+  return getWelcomeMessage(username)
+}
+
+export interface Foo {
+  bar: number
+}
+
+export default getMessage
diff --git a/e2e/custom-compiler/ttypescript/tsconfig.json b/e2e/custom-compiler/ttypescript/tsconfig.json
new file mode 100644
index 0000000000..688bc25f94
--- /dev/null
+++ b/e2e/custom-compiler/ttypescript/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "module": "CommonJS",
+    "paths": {
+      "@share/*": ["share/*"]
+    },
+    "plugins": [
+      {
+        "transform": "typescript-transform-paths",
+      }
+    ]
+  }
+}
diff --git a/src/types.ts b/src/types.ts
index ebd8c22238..26853a2563 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -83,7 +83,7 @@ export interface TsJestGlobalOptions {
    *
    * @default 'typescript'
    */
-  compiler?: string
+  compiler?: 'typescript' | 'ttypescript' | string
 
   /**
    * Custom transformers (mostly used by jest presets)