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1.9 KiB
JSON
1 line
1.9 KiB
JSON
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{"ast":null,"code":"'use strict';\n\nvar keys = require('object-keys');\n\nvar hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';\nvar toStr = Object.prototype.toString;\nvar concat = Array.prototype.concat;\nvar origDefineProperty = Object.defineProperty;\n\nvar isFunction = function isFunction(fn) {\n return typeof fn === 'function' && toStr.call(fn) === '[object Function]';\n};\n\nvar arePropertyDescriptorsSupported = function arePropertyDescriptorsSupported() {\n var obj = {};\n\n try {\n origDefineProperty(obj, 'x', {\n enumerable: false,\n value: obj\n }); // eslint-disable-next-line no-unused-vars, no-restricted-syntax\n\n for (var _ in obj) {\n // jscs:ignore disallowUnusedVariables\n return false;\n }\n\n return obj.x === obj;\n } catch (e) {\n /* this is IE 8. */\n return false;\n }\n};\n\nvar supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported();\n\nvar defineProperty = function defineProperty(object, name, value, predicate) {\n if (name in object && (!isFunction(predicate) || !predicate())) {\n return;\n }\n\n if (supportsDescriptors) {\n origDefineProperty(object, name, {\n configurable: true,\n enumerable: false,\n value: value,\n writable: true\n });\n } else {\n object[name] = value;\n }\n};\n\nvar defineProperties = function defineProperties(object, map) {\n var predicates = arguments.length > 2 ? arguments[2] : {};\n var props = keys(map);\n\n if (hasSymbols) {\n props = concat.call(props, Object.getOwnPropertySymbols(map));\n }\n\n for (var i = 0; i < props.length; i += 1) {\n defineProperty(object, props[i], map[props[i]], predicates[props[i]]);\n }\n};\n\ndefineProperties.supportsDescriptors = !!supportsDescriptors;\nmodule.exports = defineProperties;","map":null,"metadata":{},"sourceType":"script"}
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