Function readNumber

plugins/shopify/skills/shopify-admin/scripts/validate.mjs:1187–1243

(lexer, start, firstCode)

      );
    }
    function readNumber(lexer, start, firstCode) {
      const body = lexer.source.body;
      let position = start;
      let code = firstCode;
      let isFloat = false;
      if (code === 45) {
        code = body.charCodeAt(++position);
      }
      if (code === 48) {
        code = body.charCodeAt(++position);
        if ((0, _characterClasses.isDigit)(code)) {
          throw (0, _syntaxError.syntaxError)(
            lexer.source,
            position,
            `Invalid number, unexpected digit after 0: ${printCodePointAt(
              lexer,
              position
            )}.`
          );
        }
      } else {
        position = readDigits(lexer, position, code);
        code = body.charCodeAt(position);
      }
      if (code === 46) {
        isFloat = true;
        code = body.charCodeAt(++position);
        position = readDigits(lexer, position, code);
        code = body.charCodeAt(position);
      }
      if (code === 69 || code === 101) {
        isFloat = true;
        code = body.charCodeAt(++position);
        if (code === 43 || code === 45) {
          code = body.charCodeAt(++position);
        }
        position = readDigits(lexer, position, code);
        code = body.charCodeAt(position);
      }
      if (code === 46 || (0, _characterClasses.isNameStart)(code)) {
        throw (0, _syntaxError.syntaxError)(
          lexer.source,
          position,
          `Invalid number, expected digit but got: ${printCodePointAt(
            lexer,
            position
          )}.`
        );
      }
      return createToken(
        lexer,
        isFloat ? _tokenKind.TokenKind.FLOAT : _tokenKind.TokenKind.INT,
        start,
        position,
        body.slice(start, position)
      );
    }
    function readDigits(lexer, start, firstCode) {