adding NodeJS v15 support

Author: vitaly-t

.travis.yml

@@ -3,7 +3,7 @@ matrix:
   include:
   - node_js: "8"
     script: "npm test"
-  - node_js: "12"
-    script: "npm run travis"
   - node_js: "14"
+    script: "npm run travis"
+  - node_js: "15"
     script: "npm test"

package.json

@@ -1,13 +1,13 @@
 {
   "name": "pg-minify",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "description": "Minifies PostgreSQL scripts.",
   "main": "lib/index.js",
   "typings": "typescript/pg-minify.d.ts",
   "scripts": {
     "test": "jasmine-node --captureExceptions test",
     "coverage": "istanbul cover ./node_modules/jasmine-node/bin/jasmine-node test",
-    "lint": "./node_modules/.bin/eslint ./lib ./test/*.js",
+    "lint": "eslint ./lib ./test/*.js",
     "travis": "npm run lint && istanbul cover ./node_modules/jasmine-node/bin/jasmine-node test --captureExceptions && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "files": [
@@ -43,9 +43,9 @@
   },
   "devDependencies": {
     "coveralls": "3.1.0",
-    "eslint": "7.1.0",
+    "eslint": "7.16.0",
     "istanbul": "0.4.5",
     "jasmine-node": "3.0.0",
-    "typescript": "3.9.3"
+    "typescript": "4.1.3"
   }
 }