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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 3x 3x 3x 4x 3x 3x 5x 5x 1x 5x 1x 5x 3x 3x 3x 2x 3x | import { EventMapListenAt } from "@domx/eventmap";
import { customDataElements, DataElement, DataElementCtor } from "./DataElement";
export { customDataElement, dataProperty }
export { event } from "@domx/eventmap/decorators";
export { EventMapListenAt }
interface CustomDataElementOptions {
/** Sets which property is to be used as the stateId; default: stateId */
stateIdProperty?: string,
/**
* Sets the default event listener element for events;
* can be "self", "parent", or "window";
* default: "self"
*/
eventsListenAt?: EventMapListenAt|string
}
/**
* A class decorator that defines the custom element with
* `window.customElements.define` and tags the element name
* for use in RootState.
*
* Options allow for setting `stateIdProperty` and `eventsListenAt`.
* @param elementName {string}
* @param options {CustomDataElementOptions}
*/
const customDataElement = (elementName:string, options:CustomDataElementOptions={}) =>
(ctor: CustomElementConstructor) => {
if (options.stateIdProperty) {
(ctor as any)["stateIdProperty"] = options.stateIdProperty;
}
if (options.eventsListenAt) {
(ctor as any)["eventsListenAt"] = options.eventsListenAt;
}
customDataElements.define(elementName, ctor);
};
interface DataPropertyOptions {
changeEvent:string
}
/**
* A property decorator that tags a class property
* as a state property.
*
* Options allow for setting the change event name.
* @param options
*/
const dataProperty = (options?:DataPropertyOptions):any =>
(prototype: any, propertyName: string) => {
if (prototype.constructor.dataProperties === DataElement.dataProperties) {
prototype.constructor.dataProperties = {};
}
(prototype.constructor as DataElementCtor).dataProperties[propertyName] = {
changeEvent: options ? options.changeEvent : `${propertyName}-changed`
};
};
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