some progress

node_modules/mongodb/lib/operations/create_collection.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CreateCollectionOperation = void 0;
+const collection_1 = require("../collection");
+const command_1 = require("./command");
+const indexes_1 = require("./indexes");
+const operation_1 = require("./operation");
+const ILLEGAL_COMMAND_FIELDS = new Set([
+    'w',
+    'wtimeout',
+    'j',
+    'fsync',
+    'autoIndexId',
+    'pkFactory',
+    'raw',
+    'readPreference',
+    'session',
+    'readConcern',
+    'writeConcern',
+    'raw',
+    'fieldsAsRaw',
+    'useBigInt64',
+    'promoteLongs',
+    'promoteValues',
+    'promoteBuffers',
+    'bsonRegExp',
+    'serializeFunctions',
+    'ignoreUndefined',
+    'enableUtf8Validation'
+]);
+/** @internal */
+class CreateCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.options = options;
+        this.db = db;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const encryptedFields = options.encryptedFields ??
+                db.s.client.options.autoEncryption?.encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+            if (encryptedFields) {
+                // Create auxilliary collections for queryable encryption support.
+                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]) {
+                    const createOp = new CreateCollectionOperation(db, collectionName, {
+                        clusteredIndex: {
+                            key: { _id: 1 },
+                            unique: true
+                        }
+                    });
+                    await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+                }
+                if (!options.encryptedFields) {
+                    this.options = { ...this.options, encryptedFields };
+                }
+            }
+            const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+            if (encryptedFields) {
+                // Create the required index for queryable encryption support.
+                const createIndexOp = new indexes_1.CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+                await new Promise((resolve, reject) => {
+                    createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+                });
+            }
+            return coll;
+        })().then(coll => callback(undefined, coll), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const done = err => {
+                if (err) {
+                    return reject(err);
+                }
+                resolve(new collection_1.Collection(db, name, options));
+            };
+            const cmd = { create: name };
+            for (const n in options) {
+                if (options[n] != null &&
+                    typeof options[n] !== 'function' &&
+                    !ILLEGAL_COMMAND_FIELDS.has(n)) {
+                    cmd[n] = options[n];
+                }
+            }
+            // otherwise just execute the command
+            super.executeCommand(server, session, cmd, done);
+        });
+    }
+}
+exports.CreateCollectionOperation = CreateCollectionOperation;
+(0, operation_1.defineAspects)(CreateCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=create_collection.js.map