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const storeChildObject = {
callbacks: new Set(),
init() {
browser.runtime.onMessage.addListener((m) => {
this.messageHandler(m);
});
},
update(data) {
this.callbacks.forEach((callback) => {
callback(data);
});
},
onUpdate(callback) {
this.callbacks.add(callback);
},
messageHandler(m) {
if (m.type !== 'storeChildCall') {
return;
}
const args = m.args;
return this.update(...args);
},
parentMessage(method, ...args) {
return browser.runtime.sendMessage({
type: 'storeCall',
method,
args
});
}
};
const storeChild = new Proxy(storeChildObject, {
get(target, prop) {
if (target[prop] === undefined) {
return async function(...args) {
return await this.parentMessage(prop, ...args);
};
} else {
return target[prop];
}
}
});
storeChild.init();
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