Function checkErrors

compiler/companion/src/native/CompileNativeCommand.ts:13–27

(sourceFile: ts.SourceFile, diagnostics: Diagnostic[])

import { NativeCompilerOptions } from './NativeCompilerOptions';

function checkErrors(sourceFile: ts.SourceFile, diagnostics: Diagnostic[]) {
  for (const diagnostic of diagnostics) {
    if (diagnostic.category === 'error') {
      const diagnosticStart = diagnostic.start!;
      const errorPosition = sourceFile.getPositionOfLineAndCharacter(diagnosticStart.line - 1, diagnosticStart.offset);
      const fullText = sourceFile.getFullText();
      const sourceError = fullText.substring(errorPosition, Math.min(errorPosition + 50, fullText.length)).trim();
      throw Error(
        `TypeScript Error: ${diagnostic.text.trim()}\nAt line ${diagnostic.start?.line} and column ${
          diagnostic.start?.offset
        }:\n${sourceError}`,
      );
    }
  }
}

class CancelationTokenImpl implements ts.CancellationToken {
  private cancelled = false;