drizzle-orm
Version:
Drizzle ORM package for SQL databases
90 lines • 2.89 kB
JavaScript
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var migrator_exports = {};
__export(migrator_exports, {
migrate: () => migrate,
useMigrations: () => useMigrations
});
module.exports = __toCommonJS(migrator_exports);
var import_react = require("react");
async function readMigrationFiles({ journal, migrations }) {
const migrationQueries = [];
for await (const journalEntry of journal.entries) {
const query = migrations[`m${journalEntry.idx.toString().padStart(4, "0")}`];
if (!query) {
throw new Error(`Missing migration: ${journalEntry.tag}`);
}
try {
const result = query.split("--> statement-breakpoint").map((it) => {
return it;
});
migrationQueries.push({
sql: result,
bps: journalEntry.breakpoints,
folderMillis: journalEntry.when,
hash: ""
});
} catch {
throw new Error(`Failed to parse migration: ${journalEntry.tag}`);
}
}
return migrationQueries;
}
async function migrate(db, config) {
const migrations = await readMigrationFiles(config);
return db.dialect.migrate(migrations, db.session);
}
const useMigrations = (db, migrations) => {
const initialState = {
success: false,
error: void 0
};
const fetchReducer = (state2, action) => {
switch (action.type) {
case "migrating": {
return { ...initialState };
}
case "migrated": {
return { ...initialState, success: action.payload };
}
case "error": {
return { ...initialState, error: action.payload };
}
default: {
return state2;
}
}
};
const [state, dispatch] = (0, import_react.useReducer)(fetchReducer, initialState);
(0, import_react.useEffect)(() => {
dispatch({ type: "migrating" });
migrate(db, migrations).then(() => {
dispatch({ type: "migrated", payload: true });
}).catch((error) => {
dispatch({ type: "error", payload: error });
});
}, []);
return state;
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
migrate,
useMigrations
});
//# sourceMappingURL=migrator.cjs.map
;