remove unneeded mapping

Author: neverRare

dictionary/parser.ts

@@ -34,20 +34,17 @@ function lex<T>(parser: Parser<T>): Parser<T> {
 const comment = checkedSequence(
   matchString("#", "hash sign"),
   match(/[^\n]*?(?=\r?\n)/, "comment content"),
-)
-  .map(() => null);
+);
 const spaces = checkedSequence(
   match(/\s/, "space"),
   match(/\s*/, "space"),
-)
-  .map(() => null);
+);
 const ignore = allWithCheck(
   new CheckedParser(
     choiceOnlyOne(comment.check, spaces.check),
     choiceWithCheck(spaces, comment),
   ),
-)
-  .map(() => null);
+);
 const backtick = matchString("`", "backtick");
 const colon = matchString(":", "colon");
 const character = match(/./u, "character");

src/parser/lexer.ts

@@ -15,7 +15,6 @@ import {
   nothing,
   optionalAll,
   sequence,
-  sourceOnly,
   UnexpectedError,
   UnrecognizedError,
 } from "./parser_lib.ts";
@@ -43,9 +42,7 @@ import {
 
 const spacesWithoutNewline = match(/[^\S\n]*?(?=\S|\r?\n|$)/, "spaces");
 const newline = match(/\r?\n\s*/, "newline");
-const spaces = sourceOnly(
-  sequence(spacesWithoutNewline, choice(nothing, newline)),
-);
+const spaces = sequence(spacesWithoutNewline, choice(nothing, newline));
 const latinWord = match(/[a-z][a-zA-Z]*/, "word").skip(spaces);
 const variationSelector = match(/[\uFE00-\uFE0F]/, "variation selector");
 const ucsur = match(UCSUR_CHARACTER_REGEX, "UCSUR glyph")

src/parser/parser_lib.ts

@@ -276,9 +276,6 @@ export function withSource<T>(
     }))
   );
 }
-export function sourceOnly(parser: Parser<unknown>): Parser<string> {
-  return withSource(parser).map(([_, source]) => source);
-}
 export class CheckedParser<T> {
   constructor(public check: Parser<unknown>, public parser: Parser<T>) {}
   map<U>(mapper: (value: T) => U): CheckedParser<U> {