@yoroi/portfolio/lib/module/helpers/trait-value-expander.js

The Portfolio package of Yoroi SDK

import { isNumber, isRecord, isString } from '@yoroi/common';
import { freeze } from 'immer';
export function traitValueExpander(value) {
  const type = detectType(value);
  switch (type) {
    case 'link':
    case 'string':
      {
        const transformedValue = type === 'link' ? transformIfIpfs(value) : value;
        return freeze({
          originalValue: value,
          transformedValue,
          type
        });
      }
    case 'number':
      {
        return freeze({
          originalValue: value,
          transformedValue: value,
          type
        });
      }
    case 'array':
      {
        return freeze({
          originalValue: value,
          transformedValue: value,
          type
        });
      }
    case 'record':
      {
        return freeze({
          originalValue: value,
          transformedValue: value,
          type
        });
      }
    default:
      {
        return freeze({
          originalValue: value,
          transformedValue: value,
          type: 'unknown'
        });
      }
  }
}
function isValidUrl(string) {
  try {
    // eslint-disable-next-line no-new
    new URL(string);
    return true;
  } catch (e) {
    return false;
  }
}
function transformIfIpfs(value) {
  if (value.startsWith('ipfs://')) return value.replace('ipfs://', 'https://ipfs.io/ipfs/');
  return value;
}
function detectType(value) {
  if (isString(value)) {
    if (isValidUrl(value)) {
      return 'link';
    }
    return 'string';
  } else if (isNumber(value)) {
    return 'number';
  } else if (Array.isArray(value)) {
    return 'array';
  } else if (isRecord(value)) {
    return 'record';
  } else {
    return 'unknown';
  }
}
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