vike/dist/cjs/utils/catchInfiniteLoop.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.catchInfiniteLoop = catchInfiniteLoop;
const assert_js_1 = require("./assert.js");
const trackers = {};
function catchInfiniteLoop(functionName, maxNumberOfCalls = 100, withinSeconds = 5) {
    // Init
    const now = new Date();
    let tracker = (trackers[functionName] ?? (trackers[functionName] = createTracker(now)));
    // Reset
    const elapsedTime = now.getTime() - tracker.start.getTime();
    if (elapsedTime > withinSeconds * 1000)
        tracker = trackers[functionName] = createTracker(now);
    // Count
    tracker.count++;
    // Error
    const msg = `[Infinite Loop] Rendering ${tracker.count} times within ${withinSeconds} seconds [${functionName}]`;
    if (tracker.count > maxNumberOfCalls) {
        (0, assert_js_1.assertUsage)(false, msg);
    }
    // Warning, at 50% threshold
    if (!tracker.warned && tracker.count > maxNumberOfCalls * 0.5) {
        // Warning is shown upon 10 calls a second, on average during 5 seconds, given the default parameters
        (0, assert_js_1.assertWarning)(false, msg, { onlyOnce: false, showStackTrace: true });
        tracker.warned = true;
    }
}
function createTracker(now) {
    const tracker = {
        count: 0,
        start: now,
    };
    return tracker;
}