s/prefix/leading/

README.md

@@ -27,7 +27,7 @@
 * [String filters](Documentation/filters-strings.md):
   * `escapeReservedKeywords`: Escape keywods reserved in the Swift language, by wrapping them inside backticks so that the can be used as regular escape keywords in Swift code.
   * `lowerFirstWord`
-  * `snakeToCamelCase`: Transforms text from snake_case to camelCase. By default it keeps prefix underscores, unless a single optional argument is set to "true", "no" or "0".
+  * `snakeToCamelCase`: Transforms text from snake_case to camelCase. By default it keeps leading underscores, unless a single optional argument is set to "true", "no" or "0".
   * `camelToSnakeCase`: Transforms text from camelCase to snake_case. By default it converts to lower case, unless a single optional argument is set to "false", "no" or "0".
   * `swiftIdentifier`: Transforms an arbitrary string into a valid Swift identifier (using only valid characters for a Swift identifier as defined in the Swift language reference)
   * `titlecase`

Sources/Filters+Strings.swift

@@ -63,15 +63,15 @@ extension Filters {
     }
 
     /// Converts snake_case to camelCase. Takes an optional Bool argument for removing any resulting
-    /// prefix '_' characters, which defaults to false
+    /// leading '_' characters, which defaults to false
     ///
     /// - Parameters:
     ///   - value: the value to be processed
     ///   - arguments: the arguments to the function; expecting zero or one boolean argument
     /// - Returns: the camel case string
     /// - Throws: FilterError.invalidInputType if the value parameter isn't a string
     static func snakeToCamelCase(_ value: Any?, arguments: [Any?]) throws -> Any? {
-      let stripPrefix = try Filters.parseBool(from: arguments, index: 0, required: false) ?? false
+      let stripLeading = try Filters.parseBool(from: arguments, index: 0, required: false) ?? false
       guard let string = value as? String else { throw Filters.Error.invalidInputType }
 
       let unprefixed: String
@@ -85,7 +85,7 @@ extension Filters {
 
       // only if passed true, strip the prefix underscores
       var prefixUnderscores = ""
-      if !stripPrefix {
+      if !stripLeading {
         for scalar in string.unicodeScalars {
           guard scalar == "_" else { break }
           prefixUnderscores += "_"