/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ import ReactSharedInternals from 'shared/ReactSharedInternals'; let suppressWarning = false; export function setSuppressWarning(newSuppressWarning) { if (__DEV__) { suppressWarning = newSuppressWarning; } } // In DEV, calls to console.warn and console.error get replaced // by calls to these methods by a Babel plugin. // // In PROD (or in packages without access to React internals), // they are left as they are instead. export function warn(format, ...args) { if (__DEV__) { if (!suppressWarning) { printWarning('warn', format, args); } } } export function error(format, ...args) { if (__DEV__) { if (!suppressWarning) { printWarning('error', format, args); } } } function printWarning(level, format, args) { // When changing this logic, you might want to also // update consoleWithStackDev.www.js as well. if (__DEV__) { const isErrorLogger = format === '%s\n\n%s\n' || format === '%o\n\n%s\n\n%s\n'; const stack = ReactSharedInternals.getStackAddendum(); if (stack !== '') { format += '%s'; args = args.concat([stack]); } if (isErrorLogger) { // Don't prefix our default logging formatting in ReactFiberErrorLoggger. // Don't toString the arguments. args.unshift(format); } else { // TODO: Remove this prefix and stop toStringing in the wrapper and // instead do it at each callsite as needed. // Careful: RN currently depends on this prefix // eslint-disable-next-line react-internal/safe-string-coercion args = args.map(item => String(item)); args.unshift('Warning: ' + format); } // We intentionally don't use spread (or .apply) directly because it // breaks IE9: https://github.com/facebook/react/issues/13610 // eslint-disable-next-line react-internal/no-production-logging Function.prototype.apply.call(console[level], console, args); } }