1 line
1.5 KiB
JSON
1 line
1.5 KiB
JSON
{"ast":null,"code":"/**\n * Takes an argument and if it's an array, returns the first item in the array,\n * otherwise returns the argument. Used for Preact compatibility.\n */\nexport var unwrapArray = function unwrapArray(arg) {\n return Array.isArray(arg) ? arg[0] : arg;\n};\n/**\n * Takes a maybe-undefined function and arbitrary args and invokes the function\n * only if it is defined.\n */\n\nexport var safeInvoke = function safeInvoke(fn) {\n if (typeof fn === \"function\") {\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n return fn.apply(void 0, args);\n }\n};\n/**\n * Does a shallow equality check of two objects by comparing the reference\n * equality of each value.\n */\n\nexport var shallowEqual = function shallowEqual(objA, objB) {\n var aKeys = Object.keys(objA);\n var bKeys = Object.keys(objB);\n\n if (bKeys.length !== aKeys.length) {\n return false;\n }\n\n for (var i = 0; i < bKeys.length; i++) {\n var key = aKeys[i];\n\n if (objA[key] !== objB[key]) {\n return false;\n }\n }\n\n return true;\n};\n/**\n * Sets a ref using either a ref callback or a ref object\n */\n\nexport var setRef = function setRef(ref, node) {\n // if its a function call it\n if (typeof ref === \"function\") {\n return safeInvoke(ref, node);\n } // otherwise we should treat it as a ref object\n else if (ref != null) {\n ref.current = node;\n }\n};","map":null,"metadata":{},"sourceType":"module"} |