opusdev/vector-similarity-api

1'use strict';2 3import utils from '../utils.js';4 5class InterceptorManager {6  constructor() {7    this.handlers = [];8  }9 10  /**11   * Add a new interceptor to the stack12   *13   * @param {Function} fulfilled The function to handle `then` for a `Promise`14   * @param {Function} rejected The function to handle `reject` for a `Promise`15   * @param {Object} options The options for the interceptor, synchronous and runWhen16   *17   * @return {Number} An ID used to remove interceptor later18   */19  use(fulfilled, rejected, options) {20    this.handlers.push({21      fulfilled,22      rejected,23      synchronous: options ? options.synchronous : false,24      runWhen: options ? options.runWhen : null25    });26    return this.handlers.length - 1;27  }28 29  /**30   * Remove an interceptor from the stack31   *32   * @param {Number} id The ID that was returned by `use`33   *34   * @returns {void}35   */36  eject(id) {37    if (this.handlers[id]) {38      this.handlers[id] = null;39    }40  }41 42  /**43   * Clear all interceptors from the stack44   *45   * @returns {void}46   */47  clear() {48    if (this.handlers) {49      this.handlers = [];50    }51  }52 53  /**54   * Iterate over all the registered interceptors55   *56   * This method is particularly useful for skipping over any57   * interceptors that may have become `null` calling `eject`.58   *59   * @param {Function} fn The function to call for each interceptor60   *61   * @returns {void}62   */63  forEach(fn) {64    utils.forEach(this.handlers, function forEachHandler(h) {65      if (h !== null) {66        fn(h);67      }68    });69  }70}71 72export default InterceptorManager;73