文件操作 - index.cjs

文件: /var/www/OLD/node_modules/copy-anything/dist/cjs/index.cjs

编辑文件内容

'use strict';

const isWhat = require('is-what');

function assignProp(carry, key, newVal, originalObject, includeNonenumerable) {
  const propType = {}.propertyIsEnumerable.call(originalObject, key) ? "enumerable" : "nonenumerable";
  if (propType === "enumerable")
    carry[key] = newVal;
  if (includeNonenumerable && propType === "nonenumerable") {
    Object.defineProperty(carry, key, {
      value: newVal,
      enumerable: false,
      writable: true,
      configurable: true
    });
  }
}
function copy(target, options = {}) {
  if (isWhat.isArray(target)) {
    return target.map((item) => copy(item, options));
  }
  if (!isWhat.isPlainObject(target)) {
    return target;
  }
  const props = Object.getOwnPropertyNames(target);
  const symbols = Object.getOwnPropertySymbols(target);
  return [...props, ...symbols].reduce((carry, key) => {
    if (isWhat.isArray(options.props) && !options.props.includes(key)) {
      return carry;
    }
    const val = target[key];
    const newVal = copy(val, options);
    assignProp(carry, key, newVal, target, options.nonenumerable);
    return carry;
  }, {});
}

exports.copy = copy;

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