@sheetalkamat I'm having trouble getting my custom compiler to actually use the buildInfo files to shorten the builds

      const host = ts.createIncrementalCompilerHost(allOptions, ts.sys);
      const program = ts.createIncrementalProgram({
        host,
        options: allOptions,
        projectReferences,
        rootNames: fileNames
      });

      const { diagnostics: emitDiagnostics } = program.emit();

my options look like

{ target: 1,
  module: 1,
  strict: true,
  jsx: 1,
  allowSyntheticDefaultImports: true,
  sourceMap: true,
  declaration: true,
  lib:
   [ 'lib.es2015.d.ts',
     'lib.es2017.d.ts',
     'lib.dom.d.ts',
     'lib.es2019.d.ts' ],
  esModuleInterop: true,
  experimentalDecorators: true,
  resolveJsonModule: true,
  downlevelIteration: true,
  outDir: 'dist',
  rootDir: '/Users/alisowski/Documents/cgds/components/Card/src',
  composite: true,
  configFilePath:
   '/Users/alisowski/Documents/cgds/components/Card/tsconfig.json',
  incremental: true,
  emitDeclarationOnly: true }

any guidance? when I run tsc with the same setup it uses the buildinfo files

Document --incremental and composite project APIs #31849

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DanielRosenwasseropenedon Jun 10, 2019

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DanielRosenwasser
openedon Jun 10, 2019