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test(ivy): driveDiagnostics() works incrementally (#33862)

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PR Close #33862
This commit is contained in:
Alex Rickabaugh
2019-11-12 13:38:23 -08:00
parent 9e45203679
commit cf9aa4fd14
2 changed files with 40 additions and 4 deletions
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19
packages/compiler-cli/test/ngtsc/env.ts
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@ -54,6 +54,7 @@ export class NgtscTestEnvironment {
"experimentalDecorators": true,
"skipLibCheck": true,
"noImplicitAny": true,
"noEmitOnError": true,
"strictNullChecks": true,
"outDir": "built",
"baseUrl": ".",
@ -199,7 +200,23 @@ export class NgtscTestEnvironment {
*/
driveDiagnostics(): ReadonlyArray<ts.Diagnostic> {
// ngtsc only produces ts.Diagnostic messages.
return mainDiagnosticsForTest(['-p', this.basePath]) as ts.Diagnostic[];
let reuseProgram: {program: Program | undefined}|undefined = undefined;
if (this.multiCompileHostExt !== null) {
reuseProgram = {
program: this.oldProgram || undefined,
};
}
const diags = mainDiagnosticsForTest(
['-p', this.basePath], undefined, reuseProgram, this.changedResources);
if (this.multiCompileHostExt !== null) {
this.oldProgram = reuseProgram !.program !;
}
// In ngtsc, only `ts.Diagnostic`s are produced.
return diags as ReadonlyArray<ts.Diagnostic>;
}
async driveDiagnosticsAsync(): Promise<ReadonlyArray<ts.Diagnostic>> {