import { Tree } from '@angular-devkit/schematics/src/tree/interface';
import { SchematicsException } from '@angular-devkit/schematics';
import * as ts from 'typescript';
export const readIntoSourceFile = (host: Tree, modulePath: string) => {
const text = host.read(modulePath);
if (text === null) {
throw new SchematicsException(`File ${modulePath} does not exist.`);
}
return ts.createSourceFile(
modulePath,
text.toString('utf-8'),
ts.ScriptTarget.Latest,
true
);
};