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31 lines
659 B
JavaScript
31 lines
659 B
JavaScript
class KeyDownManager {
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handlerList = [];
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// return id;
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register(handler, name) {
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this.handlerList.push([name, handler]);
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console.log("register keydown", name);
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}
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deregister(name) {
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console.log("deregister keydown", name);
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this.handlerList = this.handlerList.filter((v) => v[0] !== name);
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}
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constructor() {
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document.addEventListener("keydown", (event) => {
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for (let i = this.handlerList.length - 1; i >= 0; i--) {
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let ret = this.handlerList[i][1](event);
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if (!ret) {
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break;
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}
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}
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});
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}
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}
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var globalKeyDownManager = new KeyDownManager();
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export { globalKeyDownManager };
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