tsoa

node_modules/@hapi/hapi/lib/streams.js

@@ -0,0 +1,62 @@
+'use strict';
+
+const Stream = require('stream');
+
+const Boom = require('@hapi/boom');
+const Teamwork = require('@hapi/teamwork');
+
+const internals = {
+    team: Symbol('team')
+};
+
+
+exports.isStream = function (stream) {
+
+    const isReadableStream = stream instanceof Stream.Readable;
+
+    if (!isReadableStream &&
+        typeof stream?.pipe === 'function') {
+        throw Boom.badImplementation('Cannot reply with a stream-like object that is not an instance of Stream.Readable');
+    }
+
+    if (!isReadableStream) {
+        return false;
+    }
+
+    if (stream.readableObjectMode) {
+        throw Boom.badImplementation('Cannot reply with stream in object mode');
+    }
+
+    return true;
+};
+
+
+exports.drain = function (stream) {
+
+    const team = new Teamwork.Team();
+    stream[internals.team] = team;
+
+    stream.on('readable', internals.read);
+    stream.on('error', internals.end);
+    stream.on('end', internals.end);
+    stream.on('close', internals.end);
+
+    return team.work;
+};
+
+
+internals.read = function () {
+
+    while (this.read()) { }
+};
+
+
+internals.end = function () {
+
+    this.removeListener('readable', internals.read);
+    this.removeListener('error', internals.end);
+    this.removeListener('end', internals.end);
+    this.removeListener('close', internals.end);
+
+    this[internals.team].attend();
+};