23 lines
598 B
JavaScript
23 lines
598 B
JavaScript
const behaviorItemRegistry = new Map();
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export function fromJSON({type, ...json}) {
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const Class = behaviorItemRegistry.get(type);
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if (!Class) {
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throw new TypeError(`There is no class for the behavior item "${type}"`);
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}
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return (new Class()).fromJSON(json);
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}
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export function deregister(BehaviorItem) {
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behaviorItemRegistry.delete(BehaviorItem.type());
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}
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export function register(BehaviorItem) {
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if (!BehaviorItem.type) {
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BehaviorItem.type = function() {
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return BehaviorItem.name.toLowerCase();
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}
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}
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behaviorItemRegistry.set(BehaviorItem.type(), BehaviorItem);
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}
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