1 line
1.8 KiB
JSON
1 line
1.8 KiB
JSON
{"ast":null,"code":"/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n'use strict';\n/**\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar __DEV__ = process.env.NODE_ENV !== 'production';\n\nvar warning = function warning() {};\n\nif (__DEV__) {\n var printWarning = function printWarning(format, args) {\n var len = arguments.length;\n args = new Array(len > 1 ? len - 1 : 0);\n\n for (var key = 1; key < len; key++) {\n args[key - 1] = arguments[key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n warning = function warning(condition, format, args) {\n var len = arguments.length;\n args = new Array(len > 2 ? len - 2 : 0);\n\n for (var key = 2; key < len; key++) {\n args[key - 2] = arguments[key];\n }\n\n if (format === undefined) {\n throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n\n if (!condition) {\n printWarning.apply(null, [format].concat(args));\n }\n };\n}\n\nmodule.exports = warning;","map":null,"metadata":{},"sourceType":"script"} |