Lowering first letters without losing underscore in order to be compatible with C# Web Api and bug fix

README.md

@@ -33,6 +33,7 @@ $ npm install --save csharp-models-to-typescript
     "namespace": "Api",
     "output": "./api.d.ts",
     "camelCase": false,
+    "lowerFirstLetters": false,
     "camelCaseEnums": false,
     "camelCaseOptions": {
         "pascalCase": false,
@@ -59,6 +60,17 @@ $ npm install --save csharp-models-to-typescript
 
 3. Run the npm script `generate-types` and the output file specified in your config should be created and populated with your models.
 
+## Configure Config File
+
+**camelCase** makes the attributes camel case, using **camelCaseOptions**. npm camelcase package is used for this purpose.
+**output** is the location for output
+**namespace** is the namespace for the generated files
+**include** are the locations for the input files
+**exclude** are files that are excluded
+**lowerFirstLetters** lowers the first letters of attributes. ID => id MYLocation => myLocation
+
+
+
 
 ## License
 

converter.js

@@ -125,7 +125,7 @@ const createConverter = config => {
 
     const convertProperty = property => {
         const optional = property.Type.endsWith('?');
-        const identifier = convertIdentifier(optional ? `${property.Identifier.split(' ')[0]}?` : property.Identifier.split(' ')[0]);
+        const identifier = convertIdentifier(optional ? `${property.Identifier.split(/[ =]+/)[0]}?` : property.Identifier.split(/[ =]+/)[0]);
 
         const type = parseType(property.Type);
 
@@ -175,7 +175,19 @@ const createConverter = config => {
         return array ? `${type}[]` : type;
     };
 
-    const convertIdentifier = identifier => config.camelCase ? camelcase(identifier, config.camelCaseOptions) : identifier;
+    const convertIdentifier = identifier => {
+        identifier = config.lowerFirstLetters ? lowerFirstLetters(identifier) : identifier;
+        return config.camelCase ? camelcase(identifier, config.camelCaseOptions) : identifier;
+    }
+    const lowerFirstLetters = str => {
+        let i = 0;
+        while (i < str.length && str[i].toLowerCase() !== str[i] && str[i] !== "_") {
+          i++;
+        }
+        if(i>1 && str.length !==i) 
+            i = i-1; // if it has only one upper letter, it will be lowered, but if it has more than one upper letter, the last one may be start of another string
+        return str.slice(0, i).toLowerCase() + str.slice(i);
+    }
     const convertType = type => type in typeTranslations ? typeTranslations[type] : type;
 
     return convert;

index.js

@@ -33,6 +33,7 @@ const output = config.output || 'types.d.ts';
 const converter = createConverter({
     customTypeTranslations: config.customTypeTranslations || {},
     namespace: config.namespace,
+    lowerFirstLetters: config.lowerFirstLetters,
     camelCase: config.camelCase || false,
     camelCaseOptions: config.camelCaseOptions || {},
     camelCaseEnums: config.camelCaseEnums || false,