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40 lines
989 B
JavaScript
40 lines
989 B
JavaScript
import {kebabToCamel} from "../services/text";
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export class Settings {
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constructor(initialSettings) {
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this.settingMap = {};
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this.changeListeners = {};
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this.merge(initialSettings);
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}
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set(key, value) {
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key = this.normaliseKey(key);
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this.settingMap[key] = value;
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for (const listener of (this.changeListeners[key] || [])) {
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listener(value);
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}
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}
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get(key) {
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return this.settingMap[this.normaliseKey(key)] || null;
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}
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merge(settings) {
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for (const [key, value] of Object.entries(settings)) {
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this.set(key, value);
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}
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}
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onChange(key, callback) {
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key = this.normaliseKey(key);
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const listeners = this.changeListeners[this.normaliseKey(key)] || [];
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listeners.push(callback);
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this.changeListeners[this.normaliseKey(key)] = listeners;
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}
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normaliseKey(key) {
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return kebabToCamel(key.replace('md-', ''));
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}
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} |