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Compiler exit before emit if preEmitDiagnostics found (#2441)

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Ryan Dahl 2019-06-03 12:58:49 -04:00 • committed by GitHub
parent 43c6c1a9f5
commit 60d4522641
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2 changed files with 35 additions and 23 deletions
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21
js/compiler.ts
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@ -379,15 +379,8 @@ window.compilerMain = function compilerMain(): void {
const options = host.getCompilationSettings();
const program = ts.createProgram(rootNames, options, host);
const emitResult = program!.emit();
// TODO(ry) Print diagnostics in Rust.
// https://github.com/denoland/deno/pull/2310
const diagnostics = ts
.getPreEmitDiagnostics(program)
.concat(emitResult.diagnostics)
.filter(
const preEmitDiagnostics = ts.getPreEmitDiagnostics(program).filter(
({ code }): boolean => {
// TS2691: An import path cannot end with a '.ts' extension. Consider
// importing 'bad-module' instead.
@ -406,7 +399,19 @@ window.compilerMain = function compilerMain(): void {
return true;
}
);
if (preEmitDiagnostics.length > 0) {
host._logDiagnostics(preEmitDiagnostics);
// The above _logDiagnostics calls os.exit(). The return is here just for
// clarity.
return;
}
const emitResult = program!.emit();
// TODO(ry) Print diagnostics in Rust.
// https://github.com/denoland/deno/pull/2310
const { diagnostics } = emitResult;
if (diagnostics.length > 0) {
host._logDiagnostics(diagnostics);
// The above _logDiagnostics calls os.exit(). The return is here just for

7
tests/error_003_typescript2.test Normal file
View file

@ -0,0 +1,7 @@
# Supposing that we've already attempted to run error_003_typescript.ts
# we want to make sure that JS wasn't emitted. Running again without reload flag
# should result in the same output.
# https://github.com/denoland/deno/issues/2436
args: run tests/error_003_typescript.ts
exit_code: 1
output: tests/error_003_typescript.ts.out