@nodesecure/scanner/dist/class/StatsCollector.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 Third-party Dependencies
import { isHTTPError } from "@openally/httpie";
// Import Internal Dependencies
import { SystemDateProvider } from "./DateProvider.class.js";
import { Logger } from "./logger.class.js";
export class StatsCollector {
    #logger;
    #dateProvider;
    #apiCalls = [];
    #startedAt;
    #errors = [];
    #isVerbose;
    constructor(providers, options) {
        const { dateProvider = new SystemDateProvider(), logger = new Logger() } = providers;
        this.#logger = logger;
        this.#dateProvider = dateProvider;
        this.#startedAt = this.#dateProvider.now();
        this.#isVerbose = options.isVerbose;
    }
    track(name, phase, fn) {
        const startedAt = this.#dateProvider.now();
        try {
            const result = fn();
            if (result instanceof Promise) {
                return result
                    .then((res) => {
                    this.#addApiStatVerbose(name, startedAt, this.#calcExecutionTime(startedAt));
                    return res;
                })
                    .catch((err) => {
                    const executionTime = this.#calcExecutionTime(startedAt);
                    this.#addError({
                        name, err, executionTime, phase
                    });
                    this.#apiCalls.push({
                        name,
                        startedAt,
                        executionTime
                    });
                    throw err;
                });
            }
            this.#addApiStatVerbose(name, startedAt, this.#calcExecutionTime(startedAt));
            return result;
        }
        catch (err) {
            const executionTime = this.#calcExecutionTime(startedAt);
            this.#apiCalls.push({
                name,
                startedAt,
                executionTime
            });
            this.#addError({
                name, err, executionTime, phase
            });
            throw err;
        }
    }
    #calcExecutionTime(startedAt) {
        return this.#dateProvider.now() - startedAt;
    }
    #addApiStatVerbose(name, startedAt, executionTime) {
        const stat = {
            name,
            startedAt,
            executionTime
        };
        this.#apiCalls.push(stat);
        if (this.#isVerbose) {
            this.#logger.emit("stat", stat);
        }
    }
    #addError(params) {
        const { name, executionTime, err, phase } = params;
        const error = {
            name
        };
        if (err instanceof Error) {
            error.message = err.message;
            error.stack = err.stack;
        }
        if (isHTTPError(err)) {
            error.statusCode = err.statusCode;
        }
        this.#errors.push(error);
        this.#logger.emit("error", { ...error, executionTime }, phase);
    }
    getStats() {
        return {
            startedAt: this.#startedAt,
            executionTime: this.#dateProvider.now() - this.#startedAt,
            apiCalls: this.#apiCalls,
            apiCallsCount: this.#apiCalls.length,
            errorCount: this.#errors.length,
            errors: this.#errors
        };
    }
}
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