BookStack Code Mirror - bookstack/blob - resources/js/markdown/settings.js

   1 import {kebabToCamel} from "../services/text";
   2
   3
   4 export class Settings {
   5
   6     constructor(initialSettings) {
   7         this.settingMap = {};
   8         this.changeListeners = {};
   9         this.merge(initialSettings);
  10     }
  11
  12     set(key, value) {
  13         key = this.normaliseKey(key);
  14         this.settingMap[key] = value;
  15         for (const listener of (this.changeListeners[key] || [])) {
  16             listener(value);
  17         }
  18     }
  19
  20     get(key) {
  21         return this.settingMap[this.normaliseKey(key)] || null;
  22     }
  23
  24     merge(settings) {
  25         for (const [key, value] of Object.entries(settings)) {
  26             this.set(key, value);
  27         }
  28     }
  29
  30     onChange(key, callback) {
  31         key = this.normaliseKey(key);
  32         const listeners = this.changeListeners[this.normaliseKey(key)] || [];
  33         listeners.push(callback);
  34         this.changeListeners[this.normaliseKey(key)] = listeners;
  35     }
  36
  37     normaliseKey(key) {
  38         return kebabToCamel(key.replace('md-', ''));
  39     }
  40 }