8bitworkshop/gen/ide/errorreport.js

"use strict";
// Lightweight error reporting to our own server (replaces sentry).
// POSTs a small JSON payload to /error.php, which logs it server-side.
// See web/error.php. No dependencies and fire-and-forget: safe to call
// from error handlers, never throws. Client-side limits below prevent
// flooding.
Object.defineProperty(exports, "__esModule", { value: true });
exports.reportErrorToServer = reportErrorToServer;
const MAX_ERRORS_PER_SESSION = 10;
const MIN_MS_BETWEEN_IDENTICAL = 10000;
const SEND_URL = '/error.php';
const MAX_FIELD = 2000;
let errorsSent = 0;
let lastMsgSent = '';
let lastMsgTime = 0;
function clamp(val, max) {
    try {
        if (val == null)
            return '';
        var s = typeof val === 'string' ? val : (typeof val === 'object' ? JSON.stringify(val) : val + '');
        return s.substring(0, max);
    }
    catch (e) {
        return '';
    }
}
function reportErrorToServer(msg, err, context) {
    try {
        if (errorsSent >= MAX_ERRORS_PER_SESSION)
            return;
        // don't repeat the same error more than once every 10 seconds
        var now = Date.now();
        if (msg === lastMsgSent && now - lastMsgTime < MIN_MS_BETWEEN_IDENTICAL)
            return;
        errorsSent++;
        lastMsgSent = msg;
        lastMsgTime = now;
        var payload = {
            msg: clamp(msg, 500),
            stack: clamp(err && err.stack, 2000),
            window: clamp(context && context.window, 200),
            platform: clamp(context && context.platform, 200),
            url: clamp(window.location.href, 500),
            userAgent: clamp(navigator.userAgent, 500),
            language: clamp(navigator.language, 50),
            clientTime: new Date().toISOString(),
        };
        // copy any extra caller-supplied context fields
        if (context) {
            for (var k in context) {
                if (!(k in payload))
                    payload[k] = clamp(context[k], MAX_FIELD);
            }
        }
        var body = JSON.stringify(payload);
        // sendBeacon survives page unload; fall back to fetch with keepalive
        if (typeof navigator !== 'undefined' && navigator.sendBeacon) {
            navigator.sendBeacon(SEND_URL, new Blob([body], { type: 'application/json' }));
        }
        else if (typeof fetch !== 'undefined') {
            fetch(SEND_URL, {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: body,
                keepalive: true,
            }).catch(function () { });
        }
    }
    catch (e) {
        // never let error reporting throw
    }
}
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