utils.ts

import fetch from "node-fetch";
import * as fs from "fs";
import "colors";

export const apiUrl = (product: Product) => `https://api.highcharts.com/${product}/tree.json`;

export async function fetchHighchartsApiJson(product: Product) {
  console.log(`Fetching ${product} API...`.gray)
  const response = await fetch(apiUrl(product));
  const json = await response.json();
  return json;
}

export function capitalize(name: string) {
  return `${name.substring(0, 1).toUpperCase()}${name.substring(1)}`;
}

export const unique = <T>(e: T, i: number, a: T[]) => a.indexOf(e) == i;

export function writeTextFile(file: string, text: string) {
  fs.writeFileSync(file, text);
}

export function resolveDefPath(rootDef: Def, path: string[]): Def {
  let current = rootDef;
  for (let i = 0; i < path.length; i++) {
    const key = path[i];
    current = current.children && current.children[key];
    if (!current) throw new Error(`Unable to resolve object path [${path}] at "${key}"`);
  }
  return current;
}