lifxlan
Version:
TypeScript library for controlling LIFX products over LAN
75 lines • 2.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Groups = Groups;
function Groups(options = {}) {
const onAdded = options.onAdded;
const onChanged = options.onChanged;
const onRemoved = options.onRemoved;
const knownGroups = new Map();
function removeGroup(uuid) {
const group = knownGroups.get(uuid);
if (group) {
knownGroups.delete(uuid);
if (onRemoved) {
onRemoved(group);
}
}
}
function indexOfDevice(group, device) {
for (let i = 0; i < group.devices.length; i += 1) {
if (group.devices[i] === device) {
return i;
}
}
return -1;
}
return {
register(device, group) {
const existingGroup = knownGroups.get(group.group);
if (existingGroup) {
if (indexOfDevice(existingGroup, device) < 0) {
existingGroup.devices.push(device);
if (onChanged) {
onChanged(existingGroup);
}
}
}
else {
const newGroup = {
label: group.label,
uuid: group.group,
devices: [device],
};
knownGroups.set(group.group, newGroup);
if (onAdded) {
onAdded(newGroup);
}
}
},
remove(uuid) {
removeGroup(uuid);
},
removeDevice(device) {
knownGroups.forEach((group) => {
const index = indexOfDevice(group, device);
if (index >= 0) {
group.devices[index] = group.devices[group.devices.length - 1];
group.devices.pop();
if (group.devices.length === 0) {
removeGroup(group.uuid);
}
else if (onChanged) {
onChanged(group);
}
}
});
},
get registered() {
return knownGroups;
},
[Symbol.iterator]() {
return knownGroups.values();
},
};
}
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