From 806d287affd7a0712f776e06470a55233d560516 Mon Sep 17 00:00:00 2001
From: Vitaly Tomilov <vitaly.tomilov@gmail.com>
Date: Thu, 29 Aug 2019 01:26:48 +0100
Subject: [PATCH] improving type precision

---
 src/main.ts       | 14 ++++++--------
 test/main.spec.ts |  2 +-
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index 2abf496..a4ce9b8 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,7 +1,7 @@
 import {HostType, IConnectionDefaults, IEncodingOptions, IHost, IParsedHost} from './types';
 import {decode, encode, fullHostName, isText} from './utils';
 
-const invalidDefaults = 'Invalid "defaults" parameter: ';
+const errInvalidDefaults = 'Invalid "defaults" parameter: ';
 
 export class ConnectionString {
 
@@ -10,19 +10,17 @@ export class ConnectionString {
     user?: string;
     password?: string;
     path?: string[];
-    params?: { [name: string]: any };
+    params?: { [name: string]: string };
 
     /**
-     * Virtualized accessor to the first host name:
-     * = hosts && hosts[0].name
+     * Virtualized accessor to the first host name.
      */
     get hostname(): string | undefined {
         return this.hosts && this.hosts[0].name;
     }
 
     /**
-     * Virtualized accessor to the first host's port:
-     * = hosts && hosts[0].port
+     * Virtualized accessor to the first host's port.
      */
     get port(): number | undefined {
         return this.hosts && this.hosts[0].port;
@@ -39,7 +37,7 @@ export class ConnectionString {
         }
 
         if (defaults !== undefined && defaults !== null && typeof defaults !== 'object') {
-            throw new TypeError(invalidDefaults + JSON.stringify(defaults));
+            throw new TypeError(errInvalidDefaults + JSON.stringify(defaults));
         }
 
         cs = cs.trim();
@@ -240,7 +238,7 @@ export class ConnectionString {
 
     setDefaults(defaults: IConnectionDefaults): this {
         if (!defaults || typeof defaults !== 'object') {
-            throw new TypeError(invalidDefaults + JSON.stringify(defaults));
+            throw new TypeError(errInvalidDefaults + JSON.stringify(defaults));
         }
 
         if (!('protocol' in this) && isText(defaults.protocol)) {
diff --git a/test/main.spec.ts b/test/main.spec.ts
index 982585d..ad401c5 100644
--- a/test/main.spec.ts
+++ b/test/main.spec.ts
@@ -423,7 +423,7 @@ describe('toString', () => {
         };
         const a = parse('', {params: {value1: obj, value2: 'text'}});
         const b = parse(a.toString());
-        expect(JSON.parse(b.params && b.params.value1)).to.eql(obj);
+        expect(JSON.parse(<string>(b.params && b.params.value1))).to.eql(obj);
     });
     it('must ignore empty parameter list', () => {
         const a = parse('');