file-generator.ts

/* Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. */

import { readFile } from 'fs';
import { resolve } from 'path';
import { createLogger } from '@sap-cloud-sdk/util';
import { Directory, SourceFile, SourceFileStructure } from 'ts-morph';

const logger = createLogger({
  package: 'generator',
  messageContext: 'file-generator'
});

export function sourceFile(
  directory: Directory,
  relativePath: string,
  content: SourceFileStructure,
  overwrite: boolean
): SourceFile {
  const file = directory.createSourceFile(
    `${relativePath}.ts`,
    addFileComment(content),
    {
      overwrite
    }
  );

  file.formatText({ insertSpaceAfterCommaDelimiter: true });
  return file;
}

export function otherFile(
  directory: Directory,
  relativePath: string,
  content: string,
  overwrite: boolean
): SourceFile {
  return directory.createSourceFile(relativePath, content, {
    overwrite
  });
}

export function copyFile(
  fromPath: string,
  toRelativePath: string,
  toDirectory: Directory,
  overwrite: boolean
): void {
  return readFile(
    resolve(fromPath),
    { encoding: 'utf8' },
    (err, changeLogContents) => {
      if (err) {
        logger.error(err);
      } else {
        toDirectory.createSourceFile(toRelativePath, changeLogContents, {
          overwrite
        });
      }
    }
  );
}

function addFileComment(content: SourceFileStructure): SourceFileStructure {
  content.leadingTrivia = [
    '/*',
    ' * Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved.',
    ' *',
    ' * This is a generated file powered by the SAP Cloud SDK for JavaScript.',
    ' */',
    ''
  ].join('\n');
  return content;
}