jest-metadata/dist/debug/visualize.js

🦸‍♂️ Superhero power for your Jest reporters! 🦸‍♀️

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.visualize = void 0;
const tslib_1 = require("tslib");
const promises_1 = tslib_1.__importDefault(require("node:fs/promises"));
const metadata_1 = require("../metadata");
const utils_1 = require("../utils");
const plant_1 = require("./plant");
async function visualize(traceJsonFile) {
    const events = Array.isArray(traceJsonFile)
        ? traceJsonFile
        : await readEvents(traceJsonFile);
    return replayEvents(events);
}
exports.visualize = visualize;
async function readEvents(traceJsonFile) {
    const raw = await promises_1.default.readFile(traceJsonFile, 'utf8');
    const json = JSON.parse(raw);
    const mainPID = json[0].pid;
    const events = [];
    for (const event of json) {
        const { cat, pid, args } = event;
        if (pid === mainPID && args?.event?.type && cat?.includes('emitter-events')) {
            events.push(args.event);
        }
    }
    return events;
}
function replayEvents(events) {
    const emitter = new utils_1.SerialEmitter('set');
    const metadataRegistry = new metadata_1.GlobalMetadataRegistry();
    const metadataFactory = new metadata_1.MetadataFactoryImpl(metadataRegistry, emitter);
    const globalMetadata = metadataFactory.createGlobalMetadata();
    const eventHandler = new metadata_1.MetadataEventHandler({
        globalMetadata,
        metadataRegistry,
    });
    for (const event of events) {
        eventHandler.handle(event);
    }
    return plant_1.PlantSerializer.serialize(metadataFactory.checker, metadataRegistry);
}
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