@hsui/sdk/lib/utils/jsonpointer.js

Hundsun frontend framework JSSDK

import _typeof from "@babel/runtime/helpers/esm/typeof";
import _createForOfIteratorHelper from "@babel/runtime/helpers/esm/createForOfIteratorHelper";
// 格式化要获取的对象属性参数
function compilePointer(pointer) {
  if (typeof pointer === 'string') {
    pointer = pointer.split('/');
    if (pointer[0] === '') return pointer.slice(1);
    throw new Error('Invalid JSON pointer.');
  } else if (Array.isArray(pointer)) {
    var _iterator = _createForOfIteratorHelper(pointer),
      _step;
    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var part = _step.value;
        if (typeof part !== 'string' && typeof part !== 'number') {
          throw new Error('Invalid JSON pointer. Must be of type string or number.');
        }
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
    return pointer;
  }
  throw new Error('Invalid JSON pointer.');
}
function get(obj, pointer) {
  if (_typeof(obj) !== 'object') throw new Error('Invalid input object.');
  pointer = compilePointer(pointer);
  var len = pointer.length;
  if (len === 0) return obj;
  for (var p = 0; p < len;) {
    obj = obj[pointer[p++]];
    if (len === p) return obj;
    if (_typeof(obj) !== 'object' || obj === null) return undefined;
  }
}
export default {
  get: get
};