@v4fire/core/lib/core/log/curator/pipeline.js

V4Fire core library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.LogPipeline = void 0;
var _base = require("../../../core/log/base");
class LogPipeline {
  middlewareIndex = 0;
  constructor(engine, middlewares, minLevel) {
    this.engine = engine;
    this.middlewares = middlewares;
    this.nextCallback = this.next.bind(this);
    this.minLevel = minLevel;
  }
  run(events) {
    if (Array.isArray(events)) {
      const filteredEvents = [];
      for (let i = 0; i < events.length; i++) {
        const el = events[i];
        if ((0, _base.cmpLevels)(this.minLevel, el.level) >= 0) {
          filteredEvents.push(el);
        }
      }
      if (filteredEvents.length === 0) {
        return;
      }
      events = filteredEvents;
    } else if ((0, _base.cmpLevels)(this.minLevel, events.level) < 0) {
      return;
    }
    this.middlewareIndex = -1;
    this.next(events);
  }
  next(events) {
    this.middlewareIndex++;
    if (this.middlewareIndex < this.middlewares.length) {
      if (this.middlewares[this.middlewareIndex] == null) {
        throw new ReferenceError(`Can't find a middleware at the index [${this.middlewareIndex}]`);
      }
      this.middlewares[this.middlewareIndex].exec(events, this.nextCallback);
    } else if (Array.isArray(events)) {
      for (let i = 0; i < events.length; ++i) {
        this.engine.log(events[i]);
      }
    } else {
      this.engine.log(events);
    }
  }
}
exports.LogPipeline = LogPipeline;