mirror of
https://github.com/oven-sh/bun
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bcbb4fc35d
## Summary - When running `bun <file>` on a file with an unsupported type (e.g., `.css`, `.yaml`, `.toml`), Bun now shows a helpful error message instead of the misleading "File not found" - Tracks when a file is resolved but has a loader that can't be run directly - Shows the actual file path and file type in the error message **Before:** ``` error: File not found "test.css" ``` **After:** ``` error: Cannot run "/path/to/test.css" note: Bun cannot run css files directly ``` ## Test plan - [x] Added regression test in `test/regression/issue/1365.test.ts` - [x] Test verifies unsupported files show "Cannot run" error - [x] Test verifies nonexistent files still show "File not found" - [x] Test fails with `USE_SYSTEM_BUN=1` and passes with debug build Fixes #1365 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Bot <claude-bot@bun.sh> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
import { expect, test } from "bun:test";
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import { bunEnv, bunExe, tempDir } from "harness";
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test("running unsupported file types shows helpful error message instead of 'File not found'", async () => {
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using dir = tempDir("issue-1365", {
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"test.css": "body { color: red; }",
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});
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await using proc = Bun.spawn({
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cmd: [bunExe(), "test.css"],
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cwd: String(dir),
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env: bunEnv,
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stderr: "pipe",
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stdout: "pipe",
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});
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const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
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expect(stdout).toBe("");
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// Should NOT say "File not found" since the file exists
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expect(stderr).not.toContain("File not found");
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// Should indicate the file cannot be run
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expect(stderr).toContain("Cannot run");
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expect(stderr).toContain("test.css");
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// Should mention the file type
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expect(stderr).toContain("css");
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expect(exitCode).toBe(1);
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});
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test("actually missing files still show 'File not found'", async () => {
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using dir = tempDir("issue-1365-missing", {});
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await using proc = Bun.spawn({
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cmd: [bunExe(), "nonexistent.css"],
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cwd: String(dir),
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env: bunEnv,
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stderr: "pipe",
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stdout: "pipe",
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});
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const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
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expect(stdout).toBe("");
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expect(stderr).toContain("File not found");
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expect(stderr).toContain("nonexistent.css");
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expect(exitCode).toBe(1);
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});
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