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perf(@angular/build): cache transformed configuration in TypeScript compilation #34192

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e60eb43
perf(@angular/build): cache transformed configuration in TypeScript c…
alan-agius4 Sep 28, 2026
542cd5c
fixup! perf(@angular/build): cache transformed configuration in TypeS…
alan-agius4 Sep 29, 2026
6c1e983
fixup! perf(@angular/build): cache transformed configuration in TypeS…
alan-agius4 Sep 30, 2026
3428fa2
fixup! perf(@angular/build): cache transformed configuration in TypeS…
alan-agius4 Sep 30, 2026
168aa51
fixup! perf(@angular/build): cache transformed configuration in TypeS…
alan-agius4 Oct 1, 2026
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fixup! perf(@angular/build): cache transformed configuration in TypeS… 
…cript compilation
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@alan-agius4
alan-agius4 committed Oct 1, 2026
commit 3428fa2bfd37b23b56eddf1cc707171a3fd604b6
5 changes: 3 additions & 2 deletions packages/angular/build/src/tools/angular/compilation/typescript-compilation.ts
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Expand Up @@ -92,7 +92,8 @@ export abstract class TypeScriptCompilation extends AngularCompilation {
),
);

this.#tsConfigFiles = new Set([toPosixPath(tsconfig), ...this.#extendedConfigCache.keys()]);
const tsConfigFiles = [toPosixPath(tsconfig), ...this.#extendedConfigCache.keys()];
this.#tsConfigFiles = new Set(tsConfigFiles);

let rootNames = originalRootNames;
if (compilerOptionOverrides?.rootFiles?.length) {
Expand Down Expand Up @@ -120,7 +121,7 @@ export abstract class TypeScriptCompilation extends AngularCompilation {
rootNames,
errors,
warnings,
tsConfigFiles: Array.from(this.#tsConfigFiles),
tsConfigFiles,
};

if (currentRootFiles?.length) {
Expand Down