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perf(compiler): skip type check and emit in bazel in some cases. (#19646)

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If no user files changed:
- only type check the changed generated files

Never emit non changed generated files
- we still calculate them, but don’t send them through
  TypeScript to emit them but cache the written files instead.
PR Close #19646
This commit is contained in:
Tobias Bosch
2017-10-10 13:45:42 -07:00
committed by Chuck Jazdzewski
parent 3acf9c7063
commit a22121d65d
21 changed files with 596 additions and 297 deletions
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8
packages/compiler/test/aot/test_util.ts
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@ -658,10 +658,10 @@ export function compile(
const genFiles = compiler.emitAllImpls(analyzedModules);
genFiles.forEach((file) => {
const source = file.source || toTypeScript(file);
if (isSource(file.genFileUrl)) {
host.addScript(file.genFileUrl, source);
if (isSource(file.genFileName)) {
host.addScript(file.genFileName, source);
} else {
host.override(file.genFileUrl, source);
host.override(file.genFileName, source);
}
});
const newProgram = ts.createProgram(host.scriptNames.slice(0), tsSettings, host);
@ -671,7 +671,7 @@ export function compile(
}
let outDir: MockDirectory = {};
if (emit) {
const dtsFilesWithGenFiles = new Set<string>(genFiles.map(gf => gf.srcFileUrl).filter(isDts));
const dtsFilesWithGenFiles = new Set<string>(genFiles.map(gf => gf.srcFileName).filter(isDts));
outDir =
arrayToMockDir(toMockFileArray([host.writtenFiles, host.overrides])
.filter((entry) => !isSource(entry.fileName))