add float autodeclaration support

Author: f

graphql.js

@@ -190,15 +190,19 @@
   GraphQLClient.prototype.autoDeclare = function (query, variables) {
     var typeMap = {
       string: "String",
-      number: "Int",
+      number: function (value) {
+        return value % 1 === 0 ? "Int" : "Float";
+      },
       boolean: "Boolean"
     }
     return query.replace(GraphQLClient.AUTODECLARE_PATTERN, function () {
       var types = []
       for (var key in variables) {
         var value = variables[key]
         var keyAndType = key.split("!")
-        var type = (keyAndType[1] || typeMap[typeof(value)])
+        var mapping = typeMap[typeof(value)]
+        var mappedType = typeof(mapping) === "function" ? mapping(value) : mapping
+        var type = (keyAndType[1] || mappedType)
         if (type) {
           types.push("$" + keyAndType[0] + ": " + type + "!")
         }

graphql.min.js

@@ -33,7 +33,7 @@ var queryIn = `query (@autodeclare) {
   }
 }`
 
-var expectedQuery = `query ($name: String!, $bool: Boolean!, $int: Int!) {
+var expectedQuery = `query ($name: String!, $bool: Boolean!, $int: Int!, $float: Float!) {
   user(name: $name, bool: $bool, int: $int) {
     ... auth_user
     ... auth_error
@@ -49,7 +49,7 @@ fragment auth_user on User {token, ...user}
 
 fragment auth_error on Error {messages}`
 
-assert.equal(client.buildQuery(queryIn, {name: "fatih", bool: true, int: 2}), expectedQuery)
+assert.equal(client.buildQuery(queryIn, {name: "fatih", bool: true, int: 2, float: 2.3}), expectedQuery)
 
 assert.equal(typeof client.query(`($email: String!, $password: String!) {
   auth(email: $email, password: $password) {