Initial commit

node_modules/drizzle-orm/sql-js/session.js

@@ -0,0 +1,167 @@
+import { entityKind } from "../entity.js";
+import { NoopLogger } from "../logger.js";
+import { fillPlaceholders, sql } from "../sql/sql.js";
+import { SQLiteTransaction } from "../sqlite-core/index.js";
+import { SQLitePreparedQuery as PreparedQueryBase, SQLiteSession } from "../sqlite-core/session.js";
+import { mapResultRow } from "../utils.js";
+class SQLJsSession extends SQLiteSession {
+  constructor(client, dialect, schema, options = {}) {
+    super(dialect);
+    this.client = client;
+    this.schema = schema;
+    this.logger = options.logger ?? new NoopLogger();
+  }
+  static [entityKind] = "SQLJsSession";
+  logger;
+  prepareQuery(query, fields, executeMethod, isResponseInArrayMode) {
+    const stmt = this.client.prepare(query.sql);
+    return new PreparedQuery(stmt, query, this.logger, fields, executeMethod, isResponseInArrayMode);
+  }
+  prepareOneTimeQuery(query, fields, executeMethod, isResponseInArrayMode, customResultMapper) {
+    const stmt = this.client.prepare(query.sql);
+    return new PreparedQuery(
+      stmt,
+      query,
+      this.logger,
+      fields,
+      executeMethod,
+      isResponseInArrayMode,
+      customResultMapper,
+      true
+    );
+  }
+  transaction(transaction, config = {}) {
+    const tx = new SQLJsTransaction("sync", this.dialect, this, this.schema);
+    this.run(sql.raw(`begin${config.behavior ? ` ${config.behavior}` : ""}`));
+    try {
+      const result = transaction(tx);
+      this.run(sql`commit`);
+      return result;
+    } catch (err) {
+      this.run(sql`rollback`);
+      throw err;
+    }
+  }
+}
+class SQLJsTransaction extends SQLiteTransaction {
+  static [entityKind] = "SQLJsTransaction";
+  transaction(transaction) {
+    const savepointName = `sp${this.nestedIndex + 1}`;
+    const tx = new SQLJsTransaction("sync", this.dialect, this.session, this.schema, this.nestedIndex + 1);
+    tx.run(sql.raw(`savepoint ${savepointName}`));
+    try {
+      const result = transaction(tx);
+      tx.run(sql.raw(`release savepoint ${savepointName}`));
+      return result;
+    } catch (err) {
+      tx.run(sql.raw(`rollback to savepoint ${savepointName}`));
+      throw err;
+    }
+  }
+}
+class PreparedQuery extends PreparedQueryBase {
+  constructor(stmt, query, logger, fields, executeMethod, _isResponseInArrayMode, customResultMapper, isOneTimeQuery = false) {
+    super("sync", executeMethod, query);
+    this.stmt = stmt;
+    this.logger = logger;
+    this.fields = fields;
+    this._isResponseInArrayMode = _isResponseInArrayMode;
+    this.customResultMapper = customResultMapper;
+    this.isOneTimeQuery = isOneTimeQuery;
+  }
+  static [entityKind] = "SQLJsPreparedQuery";
+  run(placeholderValues) {
+    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
+    this.logger.logQuery(this.query.sql, params);
+    const result = this.stmt.run(params);
+    if (this.isOneTimeQuery) {
+      this.free();
+    }
+    return result;
+  }
+  all(placeholderValues) {
+    const { fields, joinsNotNullableMap, logger, query, stmt, isOneTimeQuery, customResultMapper } = this;
+    if (!fields && !customResultMapper) {
+      const params = fillPlaceholders(query.params, placeholderValues ?? {});
+      logger.logQuery(query.sql, params);
+      stmt.bind(params);
+      const rows2 = [];
+      while (stmt.step()) {
+        rows2.push(stmt.getAsObject());
+      }
+      if (isOneTimeQuery) {
+        this.free();
+      }
+      return rows2;
+    }
+    const rows = this.values(placeholderValues);
+    if (customResultMapper) {
+      return customResultMapper(rows, normalizeFieldValue);
+    }
+    return rows.map((row) => mapResultRow(fields, row.map((v) => normalizeFieldValue(v)), joinsNotNullableMap));
+  }
+  get(placeholderValues) {
+    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
+    this.logger.logQuery(this.query.sql, params);
+    const { fields, stmt, isOneTimeQuery, joinsNotNullableMap, customResultMapper } = this;
+    if (!fields && !customResultMapper) {
+      const result = stmt.getAsObject(params);
+      if (isOneTimeQuery) {
+        this.free();
+      }
+      return result;
+    }
+    const row = stmt.get(params);
+    if (isOneTimeQuery) {
+      this.free();
+    }
+    if (!row || row.length === 0 && fields.length > 0) {
+      return void 0;
+    }
+    if (customResultMapper) {
+      return customResultMapper([row], normalizeFieldValue);
+    }
+    return mapResultRow(fields, row.map((v) => normalizeFieldValue(v)), joinsNotNullableMap);
+  }
+  values(placeholderValues) {
+    const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
+    this.logger.logQuery(this.query.sql, params);
+    this.stmt.bind(params);
+    const rows = [];
+    while (this.stmt.step()) {
+      rows.push(this.stmt.get());
+    }
+    if (this.isOneTimeQuery) {
+      this.free();
+    }
+    return rows;
+  }
+  free() {
+    return this.stmt.free();
+  }
+  /** @internal */
+  isResponseInArrayMode() {
+    return this._isResponseInArrayMode;
+  }
+}
+function normalizeFieldValue(value) {
+  if (value instanceof Uint8Array) {
+    if (typeof Buffer !== "undefined") {
+      if (!(value instanceof Buffer)) {
+        return Buffer.from(value);
+      }
+      return value;
+    }
+    if (typeof TextDecoder !== "undefined") {
+      return new TextDecoder().decode(value);
+    }
+    throw new Error("TextDecoder is not available. Please provide either Buffer or TextDecoder polyfill.");
+  }
+  return value;
+}
+export {
+  PreparedQuery,
+  SQLJsSession,
+  SQLJsTransaction
+};
+//# sourceMappingURL=session.js.map