Update to NPM version

ProjectSourceCode/node_modules/pg-promise/lib/context.js

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2015-present, Vitaly Tomilov
+ *
+ * See the LICENSE file at the top-level directory of this distribution
+ * for licensing information.
+ *
+ * Removal or modification of this copyright notice is prohibited.
+ */
+
+/**
+ * @class ConnectionContext
+ * @private
+ * @summary Internal connection context.
+ *
+ * @param {object} cc
+ * Connection Context.
+ *
+ * @param {object} cc.cn
+ * Connection details
+ *
+ * @param {*} cc.dc
+ * Database Context
+ *
+ * @param {object} cc.options
+ * Library's Initialization Options
+ *
+ * @param {object} cc.db
+ * Database Session we're attached to, if any.
+ *
+ * @param {number} cc.level
+ * Task Level
+ *
+ * @param {number} cc.txLevel
+ * Transaction Level
+ *
+ * @param {object} cc.parentCtx
+ * Connection Context of the parent operation, if any.
+ *
+ */
+class ConnectionContext {
+
+    constructor(cc) {
+        this.cn = cc.cn; // connection details;
+        this.dc = cc.dc; // database context;
+        this.options = cc.options; // library options;
+        this.db = cc.db; // database session;
+        this.level = cc.level; // task level;
+        this.txLevel = cc.txLevel; // transaction level;
+        this.parentCtx = null; // parent context
+        this.taskCtx = null; // task context
+        this.start = null; // Date/Time when connected
+        this.txCount = 0;
+    }
+
+    connect(db) {
+        this.db = db;
+        this.start = new Date();
+    }
+
+    disconnect(kill) {
+        if (this.db) {
+            const p = this.db.release(kill);
+            this.db = null;
+            return p;
+        }
+    }
+
+    clone() {
+        const obj = new ConnectionContext(this);
+        obj.parent = this;
+        obj.parentCtx = this.taskCtx;
+        return obj;
+    }
+
+    get nextTxCount() {
+        let txCurrent = this, txTop = this;
+        while (txCurrent.parent) {
+            txCurrent = txCurrent.parent;
+            if (txCurrent.taskCtx && txCurrent.taskCtx.isTX) {
+                txTop = txCurrent;
+            }
+        }
+        return txTop.txCount++;
+    }
+}
+
+/**
+ * Connection Context
+ * @module context
+ * @author Vitaly Tomilov
+ * @private
+ */
+module.exports = {ConnectionContext};