25 lines
738 B
JavaScript
25 lines
738 B
JavaScript
const cache = {};
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let callbackId = 0;
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// This is being called directly from unity.
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function getFirestoreListener(collection, documentId, successCallback, errorCallback) {
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callbackId++;
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const id = callbackId; // capture value
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const unsubscribe = firebase.firestore().collection(collection).doc(documentId).onSnapshot(doc => {
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if (doc.exists)
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successCallback([id, JSON.stringify(doc.data())]);
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}, error => {
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errorCallback(error.message);
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});
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cache[id] = unsubscribe;
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return id;
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}
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// This is being called directly from unity.
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function detachFirestoreListener(id) {
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if (cache[id] !== undefined) {
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cache[id]();
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delete cache[id];
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}
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} |