Function main

packages/compiler-cli/src/main.ts:22–65

(
  args: string[],
  consoleError: (s: string) => void = console.error,
  config?: NgcParsedConfiguration,
  customTransformers?: api.CustomTransformers,
  programReuse?: {
    program: api.Program | undefined;
  },
  modifiedResourceFiles?: Set<string> | null,
)

import * as api from './transformers/api';

export function main(
  args: string[],
  consoleError: (s: string) => void = console.error,
  config?: NgcParsedConfiguration,
  customTransformers?: api.CustomTransformers,
  programReuse?: {
    program: api.Program | undefined;
  },
  modifiedResourceFiles?: Set<string> | null,
): number {
  let {
    project,
    rootNames,
    options,
    errors: configErrors,
    watch,
    emitFlags,
  } = config || readNgcCommandLineAndConfiguration(args);
  if (configErrors.length) {
    return reportErrorsAndExit(configErrors, /*options*/ undefined, consoleError);
  }
  if (watch) {
    const result = watchMode(project, options, consoleError);
    return reportErrorsAndExit(result.firstCompileResult, options, consoleError);
  }

  let oldProgram: api.Program | undefined;
  if (programReuse !== undefined) {
    oldProgram = programReuse.program;
  }

  const {diagnostics: compileDiags, program} = performCompilation({
    rootNames,
    options,
    emitFlags,
    oldProgram,
    customTransformers,
    modifiedResourceFiles,
  });
  if (programReuse !== undefined) {
    programReuse.program = program;
  }
  return reportErrorsAndExit(compileDiags, options, consoleError);
}

export function mainDiagnosticsForTest(
  args: string[],