Serialize unknown types according to js type

Author: porsager

src/connection.js

@@ -3,7 +3,7 @@ import tls from 'tls'
 import crypto from 'crypto'
 import Stream from 'stream'
 
-import { stringify, handleValue, arrayParser, arraySerializer } from './types.js'
+import { serialize, stringify, handleValue, arrayParser, arraySerializer } from './types.js'
 import { Errors } from './errors.js'
 import Result from './result.js'
 import Queue from './queue.js'
@@ -912,7 +912,7 @@ function Connection(options, queues = {}, { onopen = noop, onend = noop, onclose
       type = types[i]
       parameters[i] = x = type in options.serializers
         ? options.serializers[type](x)
-        : '' + x
+        : serialize(x)
 
       prev = b.i
       b.inc(4).str(x).i32(b.i - prev - 4, prev)

src/types.js

@@ -1,11 +1,19 @@
 import { Query } from './query.js'
 import { Errors } from './errors.js'
 
+export const serialize = function serialize(x) {
+  return typeof x === 'string' ? x :
+    x instanceof Date ? types.date.serialize(x) :
+    x instanceof Uint8Array ? types.bytea.serialize(x) :
+    (x === true || x === false) ? types.boolean.serialize(x) :
+    '' + x
+}
+
 export const types = {
   string: {
     to: 25,
     from: null,             // defaults to string
-    serialize: x => '' + x
+    serialize
   },
   number: {
     to: 0,