modules/preloader/include/consoleLogCapture.js
const { ipcRenderer } = require('electron');
const extractLineNumberFromStack = function(stack) {
// / <summary>
// / Get the line/filename detail from a Webkit stack trace. See http://stackoverflow.com/a/3806596/1037948
// / </summary>
// / <param name="stack" type="String">the stack string</param>
let line = stack.split('\n')[2];
// fix for various display text
if (line) {
line =
line.indexOf(' (') >= 0
? line.split(' (')[1].substring(0, line.length - 1)
: line.split('at ')[1];
return line;
}
};
module.exports = function(windowId) {
if (typeof window === 'undefined') {
return;
}
windowId = windowId || window.location.url;
const console = window.console;
// send console logging to IPC backend
['trace', 'debug', 'info', 'warn', 'error', 'log'].forEach(method => {
console[`_${method}`] = console[method];
console[method] = (function(origMethod) {
return function() {
const args = Array.from(arguments);
const suffix = `@ ${
this.lineNumber
? `${this.fileName}:${this.lineNumber}:1`
: extractLineNumberFromStack(new Error().stack)
}`;
origMethod.apply(console, args.concat([suffix]));
try {
ipcRenderer.send(
'console_log',
windowId,
method === 'log' ? 'info' : method,
JSON.stringify(args)
);
} catch (err) {
console._warn(
'Unable to stringify arguments to log to backend',
err.stack
);
}
};
})(console[method]);
});
};