First commit

node_modules/mongodb/lib/operations/distinct.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DistinctOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+class DistinctOperation extends command_1.CommandOperation {
+    /**
+     * Construct a Distinct operation.
+     *
+     * @param collection - Collection instance.
+     * @param key - Field of the document to find distinct values for.
+     * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+     * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+     */
+    constructor(collection, key, query, options) {
+        super(collection, options);
+        this.options = options ?? {};
+        this.collection = collection;
+        this.key = key;
+        this.query = query;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const key = this.key;
+        const query = this.query;
+        const options = this.options;
+        // Distinct command
+        const cmd = {
+            distinct: coll.collectionName,
+            key: key,
+            query: query
+        };
+        // Add maxTimeMS if defined
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (typeof options.comment !== 'undefined') {
+            cmd.comment = options.comment;
+        }
+        // Do we have a readConcern specified
+        (0, utils_1.decorateWithReadConcern)(cmd, coll, options);
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(cmd, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, this.explain ? result : result.values);
+        });
+    }
+}
+exports.DistinctOperation = DistinctOperation;
+(0, operation_1.defineAspects)(DistinctOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE, operation_1.Aspect.EXPLAINABLE]);
+//# sourceMappingURL=distinct.js.map