some progress

node_modules/mongodb/lib/operations/drop.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DropDatabaseOperation = exports.DropCollectionOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class DropCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.db = db;
+        this.options = options;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            const db = this.db;
+            const options = this.options;
+            const name = this.name;
+            const encryptedFieldsMap = db.s.client.options.autoEncryption?.encryptedFieldsMap;
+            let encryptedFields = options.encryptedFields ?? encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+            if (!encryptedFields && encryptedFieldsMap) {
+                // If the MongoClient was configured with an encryptedFieldsMap,
+                // and no encryptedFields config was available in it or explicitly
+                // passed as an argument, the spec tells us to look one up using
+                // listCollections().
+                const listCollectionsResult = await db
+                    .listCollections({ name }, { nameOnly: false })
+                    .toArray();
+                encryptedFields = listCollectionsResult?.[0]?.options?.encryptedFields;
+            }
+            if (encryptedFields) {
+                const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+                const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+                const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+                for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+                    // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+                    const dropOp = new DropCollectionOperation(db, collectionName);
+                    try {
+                        await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+                    }
+                    catch (err) {
+                        if (!(err instanceof error_1.MongoServerError) ||
+                            err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                            throw err;
+                        }
+                    }
+                }
+            }
+            return this.executeWithoutEncryptedFieldsCheck(server, session);
+        })().then(result => callback(undefined, result), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+                if (err)
+                    return reject(err);
+                resolve(!!result.ok);
+            });
+        });
+    }
+}
+exports.DropCollectionOperation = DropCollectionOperation;
+/** @internal */
+class DropDatabaseOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result.ok)
+                return callback(undefined, true);
+            callback(undefined, false);
+        });
+    }
+}
+exports.DropDatabaseOperation = DropDatabaseOperation;
+(0, operation_1.defineAspects)(DropCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropDatabaseOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=drop.js.map