Commit

node_modules/mongodb/lib/write_concern.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WriteConcern = exports.WRITE_CONCERN_KEYS = void 0;
+exports.throwIfWriteConcernError = throwIfWriteConcernError;
+const responses_1 = require("./cmap/wire_protocol/responses");
+const error_1 = require("./error");
+exports.WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://www.mongodb.com/docs/manual/reference/write-concern/
+ */
+class WriteConcern {
+    /**
+     * Constructs a WriteConcern from the write concern properties.
+     * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+     * @param wtimeoutMS - specify a time limit to prevent write operations from blocking indefinitely
+     * @param journal - request acknowledgment that the write operation has been written to the on-disk journal
+     * @param fsync - equivalent to the j option. Is deprecated and will be removed in the next major version.
+     */
+    constructor(w, wtimeoutMS, journal, fsync) {
+        if (w != null) {
+            if (!Number.isNaN(Number(w))) {
+                this.w = Number(w);
+            }
+            else {
+                this.w = w;
+            }
+        }
+        if (wtimeoutMS != null) {
+            this.wtimeoutMS = this.wtimeout = wtimeoutMS;
+        }
+        if (journal != null) {
+            this.journal = this.j = journal;
+        }
+        if (fsync != null) {
+            this.journal = this.j = fsync ? true : false;
+        }
+    }
+    /**
+     * Apply a write concern to a command document. Will modify and return the command.
+     */
+    static apply(command, writeConcern) {
+        const wc = {};
+        // The write concern document sent to the server has w/wtimeout/j fields.
+        if (writeConcern.w != null)
+            wc.w = writeConcern.w;
+        if (writeConcern.wtimeoutMS != null)
+            wc.wtimeout = writeConcern.wtimeoutMS;
+        if (writeConcern.journal != null)
+            wc.j = writeConcern.j;
+        command.writeConcern = wc;
+        return command;
+    }
+    /** Construct a WriteConcern given an options object. */
+    static fromOptions(options, inherit) {
+        if (options == null)
+            return undefined;
+        inherit = inherit ?? {};
+        let opts;
+        if (typeof options === 'string' || typeof options === 'number') {
+            opts = { w: options };
+        }
+        else if (options instanceof WriteConcern) {
+            opts = options;
+        }
+        else {
+            opts = options.writeConcern;
+        }
+        const parentOpts = inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
+        const mergedOpts = { ...parentOpts, ...opts };
+        const { w = undefined, wtimeout = undefined, j = undefined, fsync = undefined, journal = undefined, wtimeoutMS = undefined } = mergedOpts;
+        if (w != null ||
+            wtimeout != null ||
+            wtimeoutMS != null ||
+            j != null ||
+            journal != null ||
+            fsync != null) {
+            return new WriteConcern(w, wtimeout ?? wtimeoutMS, j ?? journal, fsync);
+        }
+        return undefined;
+    }
+}
+exports.WriteConcern = WriteConcern;
+/** Called with either a plain object or MongoDBResponse */
+function throwIfWriteConcernError(response) {
+    if (typeof response === 'object' && response != null) {
+        const writeConcernError = responses_1.MongoDBResponse.is(response) && response.has('writeConcernError')
+            ? response.toObject()
+            : !responses_1.MongoDBResponse.is(response) && 'writeConcernError' in response
+                ? response
+                : null;
+        if (writeConcernError != null) {
+            throw new error_1.MongoWriteConcernError(writeConcernError);
+        }
+    }
+}
+//# sourceMappingURL=write_concern.js.map