ipld-garbage/esm/to-string.js

Garbage data generator for the IPLD Data Model

import { CID } from 'multiformats/cid';
export function toString(obj) {
  if (CID.asCID(obj)) {
    return `CID.parse('${ obj.toString() }')`;
  }
  if (obj === null) {
    return 'null';
  }
  const typ = typeof obj;
  if (typ === 'string') {
    return `'${ JSON.stringify(obj).replace(/^"|"$/g, '').replace(/'/g, '\\\'') }'`;
  }
  if (typ === 'number' || typ === 'boolean') {
    return String(obj);
  }
  if (Array.isArray(obj)) {
    return `[${ obj.map(toString).join(',') }]`;
  }
  if (obj instanceof Uint8Array) {
    return `Uint8Array.from([${ obj.join(',') }])`;
  }
  if (typ === 'object') {
    const props = Object.entries(obj).map(([key, value]) => {
      return `[${ toString(key) }]: ${ toString(value) }`;
    });
    return `{${ props.join(',') }}`;
  }
  throw new Error(`Invalid IPLD kind: ${ Object.prototype.toString.call(obj) }`);
}