Angular Schematic for Generating TypeScript Packages

collection.json

{
  "$schema": "../node_modules/@angular-devkit/schematics/collection-schema.json",
  "schematics": {
    "create": {
      "description": "Creates a stub TypeScript project.",
      "factory": "./create/index#create",
      "schema": "./create/schema.json"
    }
  }
}

index.ts

import {
    Rule,
    SchematicContext,
    Tree,
    apply,
    mergeWith,
    chain,
    url,
    move,
    MergeStrategy, template,
} from '@angular-devkit/schematics';
import {strings} from '@angular-devkit/core';
import {Schema} from './schema';

export function create(_options: Schema): Rule {
    return (host: Tree, _context: SchematicContext) => {

        const {dst} = _options;
        _context.logger.info( JSON.stringify({..._options}));

        const templateSource = apply(url('./files'), [
            template({
                ..._options,
                ...strings
            }),
            move(dst),
        ]);
        const rule = chain([
            mergeWith(templateSource, MergeStrategy.Overwrite)
        ]);
        return rule(host, _context);
    }
}

schema.json

{
  "$schema": "http://json-schema.org/schema",
  "id": "typescript-starter-create",
  "title": "TypeScript project stub schematic",
  "type": "object",
  "properties": {
    "name": {
      "x-prompt": "Enter your project name.",
      "type": "string",
      "description": "The name of the project.",
      "$default": {
        "$source": "argv",
        "index": 0
      }
    },

    "dst": {
      "x-prompt": "Enter your destination.",
      "type": "string",
      "description": "The destination directory to be written to.",
      "$default": {
        "$source": "argv",
        "index": 1
      }
    }
  },
  "required": ["name", "dst"],
  "additionalProperties": false
}