From 751bb45a0a4ca4ab3baf5e5037c0b10f0430aeb6 Mon Sep 17 00:00:00 2001
From: Kitson Kelly <me@kitsonkelly.com>
Date: Wed, 23 Sep 2020 11:39:20 +1000
Subject: fix: ignore fileExists in tsc host (#7635)

Fixes #7630
---
 cli/tests/fix_tsc_file_exists.out | 1 +
 cli/tests/integration_tests.rs    | 5 +++++
 cli/tests/tsc/a.js                | 2 ++
 cli/tests/tsc/d.ts                | 3 +++
 cli/tests/tsc/node_modules/b.js   | 2 ++
 cli/tests/tsc/node_modules/c.js   | 1 +
 cli/tests/tsc/test.js             | 4 ++++
 cli/tsc/99_main_compiler.js       | 5 +++--
 8 files changed, 21 insertions(+), 2 deletions(-)
 create mode 100644 cli/tests/fix_tsc_file_exists.out
 create mode 100644 cli/tests/tsc/a.js
 create mode 100644 cli/tests/tsc/d.ts
 create mode 100644 cli/tests/tsc/node_modules/b.js
 create mode 100644 cli/tests/tsc/node_modules/c.js
 create mode 100644 cli/tests/tsc/test.js

(limited to 'cli')

diff --git a/cli/tests/fix_tsc_file_exists.out b/cli/tests/fix_tsc_file_exists.out
new file mode 100644
index 000000000..ce0136250
--- /dev/null
+++ b/cli/tests/fix_tsc_file_exists.out
@@ -0,0 +1 @@
+hello
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 7e0e020d6..4ec816c4f 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -2378,6 +2378,11 @@ itest!(fix_js_imports {
   output: "fix_js_imports.ts.out",
 });
 
+itest!(fix_tsc_file_exists {
+  args: "run --quiet --reload tsc/test.js",
+  output: "fix_tsc_file_exists.out",
+});
+
 itest!(es_private_fields {
   args: "run --quiet --reload es_private_fields.js",
   output: "es_private_fields.js.out",
diff --git a/cli/tests/tsc/a.js b/cli/tests/tsc/a.js
new file mode 100644
index 000000000..5a7b3ff93
--- /dev/null
+++ b/cli/tests/tsc/a.js
@@ -0,0 +1,2 @@
+import { v4 } from "./d.ts";
+export function a() {}
diff --git a/cli/tests/tsc/d.ts b/cli/tests/tsc/d.ts
new file mode 100644
index 000000000..3c74b8c83
--- /dev/null
+++ b/cli/tests/tsc/d.ts
@@ -0,0 +1,3 @@
+export function v4() {
+  return "hello";
+}
diff --git a/cli/tests/tsc/node_modules/b.js b/cli/tests/tsc/node_modules/b.js
new file mode 100644
index 000000000..191660935
--- /dev/null
+++ b/cli/tests/tsc/node_modules/b.js
@@ -0,0 +1,2 @@
+import c from "./c.js";
+export { c };
diff --git a/cli/tests/tsc/node_modules/c.js b/cli/tests/tsc/node_modules/c.js
new file mode 100644
index 000000000..cff71c44a
--- /dev/null
+++ b/cli/tests/tsc/node_modules/c.js
@@ -0,0 +1 @@
+export default function c() {}
diff --git a/cli/tests/tsc/test.js b/cli/tests/tsc/test.js
new file mode 100644
index 000000000..b7f46b351
--- /dev/null
+++ b/cli/tests/tsc/test.js
@@ -0,0 +1,4 @@
+import { a } from "./a.js";
+import { c } from "./node_modules/b.js";
+
+console.log("hello");
diff --git a/cli/tsc/99_main_compiler.js b/cli/tsc/99_main_compiler.js
index 63a5d1f5b..94a08e6ab 100644
--- a/cli/tsc/99_main_compiler.js
+++ b/cli/tsc/99_main_compiler.js
@@ -278,8 +278,9 @@ delete Object.prototype.__proto__;
 
     /* TypeScript CompilerHost APIs */
 
-    fileExists(_fileName) {
-      return notImplemented();
+    fileExists(fileName) {
+      log(`compiler::host.fileExists("${fileName}")`);
+      return false;
     }
 
     getCanonicalFileName(fileName) {
-- 
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