mirror of
https://github.com/bilawalsidhu/gods-eye-view.git
synced 2026-11-04 10:24:02 +00:00
Sameh Khamis
61d11ce369
SdrCard calls LocalSdrControls through radio store actions instead of DOM listeners, and renders its gain options from the receiver's own R820T gain steps with page-language labels. The display and radio stores share one owner list (createOwners): the newest connected owner with an action answers it.
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
/**
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* The owners answering a store's controls. A view calls `act(name, ...args)`;
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* the newest connected owner with an action of that name answers it, so an
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* owner that connects again replaces itself, and owners of different actions
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* sit side by side.
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* @returns {{connect: Function, detach: Function, act: Function}}
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*/
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export function createOwners() {
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/** @type {Array<{actions: object}>} Oldest first. */
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const owners = [];
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/**
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* Answer the actions named in `actions`.
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* @param {Record<string, Function>} actions
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* @returns {object} Token for detach().
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*/
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function connect(actions) {
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const token = { actions };
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owners.push(token);
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return token;
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}
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/** Stop answering for the owner holding `token`; the others stay. */
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function detach(token) {
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const index = owners.indexOf(token);
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if (index >= 0) owners.splice(index, 1);
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}
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/**
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* A control's change: call the newest connected owner's action of that
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* name, if any.
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* @param {string} name
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* @param {...unknown} args
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*/
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function act(name, ...args) {
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for (let index = owners.length - 1; index >= 0; index -= 1) {
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const action = owners[index].actions[name];
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if (action) return void action(...args);
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}
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}
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return { connect, detach, act };
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}
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