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Code Issues Projects Releases Wiki Activity

Always stub console object

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Summary: In some execution environment there's no console object available.

Reviewed By: davidaurelio

Differential Revision: D5303105

fbshipit-source-id: 1d348640c966c9460105ea92ec8a5087ee1b75f1
This commit is contained in:
Pieter De Baets 2017-06-23 07:40:04 -07:00 committed by Facebook Github Bot
parent 30458c15ae
commit a0fcbd7f11
1 changed files with 20 additions and 19 deletions
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39
packages/metro-bundler/src/Resolver/polyfills/console.js
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@ -373,11 +373,7 @@ INSPECTOR_LEVELS[LOG_LEVELS.error] = 'error';
// strip method printing to originalConsole. // strip method printing to originalConsole.
const INSPECTOR_FRAMES_TO_SKIP = __DEV__ ? 2 : 1; const INSPECTOR_FRAMES_TO_SKIP = __DEV__ ? 2 : 1;
function setupConsole(global) { if (global.nativeLoggingHook) {
if (!global.nativeLoggingHook) {
return;
}
function getNativeLogFunction(level) { function getNativeLogFunction(level) {
return function() { return function() {
let str; let str;
@ -474,13 +470,7 @@ function setupConsole(global) {
global.nativeLoggingHook('\n' + table.join('\n'), LOG_LEVELS.info); global.nativeLoggingHook('\n' + table.join('\n'), LOG_LEVELS.info);
} }
// Preserve the original `console` as `originalConsole` const originalConsole = global.console;
var originalConsole = global.console;
var descriptor = Object.getOwnPropertyDescriptor(global, 'console');
if (descriptor) {
Object.defineProperty(global, 'originalConsole', descriptor);
}
global.console = { global.console = {
error: getNativeLogFunction(LOG_LEVELS.error), error: getNativeLogFunction(LOG_LEVELS.error),
info: getNativeLogFunction(LOG_LEVELS.info), info: getNativeLogFunction(LOG_LEVELS.info),
@ -495,8 +485,14 @@ function setupConsole(global) {
// sometimes useful. Ex: on OS X, this will let you see rich output in // sometimes useful. Ex: on OS X, this will let you see rich output in
// the Safari Web Inspector console. // the Safari Web Inspector console.
if (__DEV__ && originalConsole) { if (__DEV__ && originalConsole) {
// Preserve the original `console` as `originalConsole`
const descriptor = Object.getOwnPropertyDescriptor(global, 'console');
if (descriptor) {
Object.defineProperty(global, 'originalConsole', descriptor);
}
Object.keys(console).forEach(methodName => { Object.keys(console).forEach(methodName => {
var reactNativeMethod = console[methodName]; const reactNativeMethod = console[methodName];
if (originalConsole[methodName]) { if (originalConsole[methodName]) {
console[methodName] = function() { console[methodName] = function() {
originalConsole[methodName](...arguments); originalConsole[methodName](...arguments);
@ -505,10 +501,15 @@ function setupConsole(global) {
} }
}); });
} }
} } else if (!global.console) {
function consoleLoggingStub() {};
if (typeof module !== 'undefined') { global.console = {
module.exports = setupConsole; error: consoleLoggingStub,
} else { info: consoleLoggingStub,
setupConsole(global); log: consoleLoggingStub,
warn: consoleLoggingStub,
trace: consoleLoggingStub,
debug: consoleLoggingStub,
table: consoleLoggingStub
};
} }