First commit

node_modules/mongodb/lib/operations/eval.js

@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EvalOperation = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const command_1 = require("./command");
+/** @internal */
+class EvalOperation extends command_1.CommandOperation {
+    constructor(db, code, parameters, options) {
+        super(db, options);
+        this.options = options ?? {};
+        this.code = code;
+        this.parameters = parameters;
+        // force primary read preference
+        Object.defineProperty(this, 'readPreference', {
+            value: read_preference_1.ReadPreference.primary,
+            configurable: false,
+            writable: false
+        });
+    }
+    execute(server, session, callback) {
+        let finalCode = this.code;
+        let finalParameters = [];
+        // If not a code object translate to one
+        if (!(finalCode && finalCode._bsontype === 'Code')) {
+            finalCode = new bson_1.Code(finalCode);
+        }
+        // Ensure the parameters are correct
+        if (this.parameters != null && typeof this.parameters !== 'function') {
+            finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+        }
+        // Create execution selector
+        const cmd = { $eval: finalCode, args: finalParameters };
+        // Check if the nolock parameter is passed in
+        if (this.options.nolock) {
+            cmd.nolock = this.options.nolock;
+        }
+        // Execute the command
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result && result.ok === 1) {
+                return callback(undefined, result.retval);
+            }
+            if (result) {
+                callback(new error_1.MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+                return;
+            }
+            callback(err, result);
+        });
+    }
+}
+exports.EvalOperation = EvalOperation;
+//# sourceMappingURL=eval.js.map