remove dependency on wellknown in favor of terraformer-wkt-parser

changelog.md

 # Next
 # Next
 - [FIXED] Support lower case type names in SQLite [#5482](https://github.com/sequelize/sequelize/issues/5482)
 - [FIXED] Support lower case type names in SQLite [#5482](https://github.com/sequelize/sequelize/issues/5482)
+- [INTERNALS] Removed dependency on wellknown in favor of terraformer-wkt-parser
 
 
 # 3.20.0
 # 3.20.0
 - [ADDED] rejectOnEmpty mode [#272](https://github.com/sequelize/sequelize/issues/272) [#5480](https://github.com/sequelize/sequelize/issues/5480)
 - [ADDED] rejectOnEmpty mode [#272](https://github.com/sequelize/sequelize/issues/272) [#5480](https://github.com/sequelize/sequelize/issues/5480)

lib/data-types.js

@@ -3,7 +3,7 @@
 
 
 var util = require('util')
 var util = require('util')
   , _ = require('lodash')
   , _ = require('lodash')
-  , Wkt = require('wellknown')
+  , Wkt = require('terraformer-wkt-parser')
   , sequelizeErrors = require('./errors')
   , sequelizeErrors = require('./errors')
   , warnings = {}
   , warnings = {}
   , Validator = require('validator')
   , Validator = require('validator')
@@ -898,7 +898,7 @@ GEOMETRY.prototype.key = GEOMETRY.key = 'GEOMETRY';
 
 
 GEOMETRY.prototype.escape = false;
 GEOMETRY.prototype.escape = false;
 GEOMETRY.prototype.$stringify = function (value) {
 GEOMETRY.prototype.$stringify = function (value) {
-  return 'GeomFromText(\'' + Wkt.stringify(value) + '\')';
+  return 'GeomFromText(\'' + Wkt.convert(value) + '\')';
 };
 };
 
 
 /**
 /**
@@ -923,7 +923,7 @@ GEOGRAPHY.prototype.key = GEOGRAPHY.key = 'GEOGRAPHY';
 
 
 GEOGRAPHY.prototype.escape = false;
 GEOGRAPHY.prototype.escape = false;
 GEOGRAPHY.prototype.$stringify = function (value) {
 GEOGRAPHY.prototype.$stringify = function (value) {
-  return 'GeomFromText(\'' + Wkt.stringify(value) + '\')';
+  return 'GeomFromText(\'' + Wkt.convert(value) + '\')';
 };
 };
 
 
 Object.keys(helpers).forEach(function (helper) {
 Object.keys(helpers).forEach(function (helper) {

package.json

@@ -44,9 +44,9 @@
     "retry-as-promised": "^2.0.0",
     "retry-as-promised": "^2.0.0",
     "semver": "^5.0.1",
     "semver": "^5.0.1",
     "shimmer": "1.1.0",
     "shimmer": "1.1.0",
+    "terraformer-wkt-parser": "^1.1.0",
     "toposort-class": "^1.0.1",
     "toposort-class": "^1.0.1",
     "validator": "^4.6.1",
     "validator": "^4.6.1",
-    "wellknown": "^0.4.1",
     "wkx": "0.2.0"
     "wkx": "0.2.0"
   },
   },
   "devDependencies": {
   "devDependencies": {