@nodesecure/scanner/dist/class/logger.class.js

A package API to run a static analysis of your module's dependencies.

// Import Node.js Dependencies
import { EventEmitter } from "node:events";
import { performance } from "node:perf_hooks";
export const ScannerLoggerEvents = {
    error: "error",
    done: "depWalkerFinished",
    analysis: {
        tree: "walkTree",
        tarball: "tarball",
        registry: "registry"
    },
    manifest: {
        read: "readManifest",
        fetch: "fetchManifest"
    }
};
export class Logger extends EventEmitter {
    events = new Map();
    start(eventName) {
        if (this.events.has(eventName)) {
            return this;
        }
        this.events.set(eventName, {
            startedAt: performance.now(),
            count: 0
        });
        this.emit("start", eventName);
        return this;
    }
    tick(eventName) {
        if (!this.events.has(eventName)) {
            return this;
        }
        this.events.get(eventName).count++;
        this.emit("tick", eventName);
        return this;
    }
    count(eventName) {
        return this.events.get(eventName)?.count ?? 0;
    }
    end(eventName) {
        if (!this.events.has(eventName)) {
            return this;
        }
        const data = this.events.get(eventName);
        this.emit("end", eventName, {
            ...data,
            executionTime: performance.now() - data.startedAt
        });
        return this;
    }
}
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