farmbot/src/util.ts

Farmbot Javascript client.

export * from "./util/coordinate";
export * from "./util/is_celery_script";
export * from "./util/is_node";
export * from "./util/pick";
export * from "./util/rpc_request";
export * from "./util/uuid";

export function stringToBuffer(str: string) {
  const regular_array = str.split("").map(x => x.charCodeAt(0));
  const data16 = new Uint8Array(regular_array);
  return data16;
}

declare const util: { TextDecoder: typeof TextDecoder };

interface DecoderLike {
  decode(input: Uint8Array): string;
}

function newDecoder(): DecoderLike {
  if (typeof util !== "undefined" && util.TextDecoder) {
    return new util.TextDecoder()
  }

  if (typeof window !== "undefined" && window.TextDecoder) {
    return new window.TextDecoder();
  }

  return {
    decode(buffer) {
      const chars: string[] = [];
      buffer.forEach(x => chars.push(String.fromCharCode(x)));
      return chars.join("");
    }
  };
}

const td = newDecoder();
/** We originally called buffer.toString(),
 *  but that suffers from inconsistent behavior
 * between environments, leading to testing
 * difficulty. */
export const bufferToString = (b: Uint8Array) => td.decode(b);