47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
import { addDatabaseChangeListener } from "expo-sqlite";
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import { useEffect, useState } from "react";
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import { is } from "../entity.js";
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import { SQL } from "../sql/sql.js";
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import { getTableConfig, getViewConfig, SQLiteTable, SQLiteView } from "../sqlite-core/index.js";
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import { SQLiteRelationalQuery } from "../sqlite-core/query-builders/query.js";
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import { Subquery } from "../subquery.js";
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const useLiveQuery = (query, deps = []) => {
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const [data, setData] = useState(
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is(query, SQLiteRelationalQuery) && query.mode === "first" ? void 0 : []
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);
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const [error, setError] = useState();
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const [updatedAt, setUpdatedAt] = useState();
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useEffect(() => {
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const entity = is(query, SQLiteRelationalQuery) ? query.table : query.config.table;
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if (is(entity, Subquery) || is(entity, SQL)) {
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setError(new Error("Selecting from subqueries and SQL are not supported in useLiveQuery"));
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return;
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}
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let listener;
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const handleData = (data2) => {
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setData(data2);
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setUpdatedAt(/* @__PURE__ */ new Date());
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};
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query.then(handleData).catch(setError);
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if (is(entity, SQLiteTable) || is(entity, SQLiteView)) {
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const config = is(entity, SQLiteTable) ? getTableConfig(entity) : getViewConfig(entity);
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listener = addDatabaseChangeListener(({ tableName }) => {
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if (config.name === tableName) {
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query.then(handleData).catch(setError);
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}
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});
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}
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return () => {
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listener?.remove();
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};
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}, deps);
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return {
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data,
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error,
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updatedAt
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};
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};
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export {
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useLiveQuery
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};
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//# sourceMappingURL=query.js.map
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