Initial content

2024-05-29 18:54:49 +01:00
parent 2dbc1a8088
commit 5215a1d919
1944 changed files with 203378 additions and 0 deletions
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TransactionHelper = void 0;
+class TransactionHelper {
+    steps = [];
+    add(sql, params) {
+        this.steps.push([sql, params]);
+        return this;
+    }
+    run(db) {
+        return new Promise((resolve, reject) => {
+            let index = 0;
+            let lastRow = NaN;
+            const cb = (err, rowID) => {
+                if (err) {
+                    db.run("ROLLBACK", () => reject());
+                }
+                else {
+                    lastRow = rowID ? rowID : lastRow;
+                    if (++index === this.steps.length) {
+                        db.run("COMMIT", () => resolve(lastRow));
+                    }
+                    else {
+                        this.runStep(index, db, cb);
+                    }
+                }
+            };
+            db.run("BEGIN", () => this.runStep(0, db, cb));
+        });
+    }
+    runStep(idx, db, cb) {
+        const [sql, params] = this.steps[idx];
+        db.run(sql, params, function (err) {
+            cb(err, this.lastID);
+        });
+    }
+}
+exports.TransactionHelper = TransactionHelper;