awesome-cordova-plugins/scripts/build/transformers/properties.ts

import * as ts from 'typescript';
import { getDecorator, getDecoratorName } from '../helpers';

export function transformProperty(members: any[], index: number) {

  const property = members[index] as ts.PropertyDeclaration,
    decorator = getDecorator(property),
    decoratorName = getDecoratorName(decorator);

  let type: 'cordova' | 'instance';

  switch (decoratorName) {
    case 'CordovaProperty':
      type = 'cordova';
      break;

    case 'InstanceProperty':
      type = 'instance';
      break;

    default: return property;
  }


  const getter = ts.createGetAccessor(undefined, undefined, property.name, undefined, property.type, ts.createBlock([
    ts.createReturn(
      ts.createCall(
        ts.createIdentifier(type + 'PropertyGet'),
        undefined,
        [
          ts.createThis(),
          ts.createLiteral((property.name as any).text)
        ]
      )
    )
  ]));

  const setter = ts.createSetAccessor(undefined, undefined, property.name, [ts.createParameter(undefined, undefined, undefined, 'value', undefined, property.type)], ts.createBlock([
    ts.createStatement(
      ts.createCall(
        ts.createIdentifier(type + 'PropertySet'),
        undefined,
        [
          ts.createThis(),
          ts.createLiteral((property.name as any).text),
          ts.createIdentifier('value')
        ]
      )
    )
  ]));

  return [getter, setter];
}