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Direktori : /home/opti/workflow/node_modules/es5-ext/ |
Current File : /home/opti/workflow/node_modules/es5-ext/optional-chaining.js |
"use strict"; var isValue = require("./object/is-value"); var slice = Array.prototype.slice; // eslint-disable-next-line no-unused-vars module.exports = function (value, propertyName1/*, …propertyNamen*/) { var propertyNames = slice.call(arguments, 1), index = 0, length = propertyNames.length; while (isValue(value) && index < length) value = value[propertyNames[index++]]; return index === length ? value : undefined; };