src/http/get-index/ssr.js
/**
 * Parses an expression.
 *
 * @throws An `Error` if parsing fails.
 * @returns An array containing the integer step size and the integer offset of the nth rule.
 * @example nthCheck.parse("2n+3"); // returns [2, 3]
 */
Parses an expression.
@throws An `Error` if parsing fails.
@returns An array containing the integer step size and the integer offset of the nth rule.
Parses an expression . @throws An ` Error ` if parsing fails . @returns An array containing the integer step size and the integer offset of the nth rule .
function parse$3(formula) {
  formula = formula.trim().toLowerCase();
  if (formula === "even") {
    return [2, 0];
  } else
  if (formula === "odd") {
    return [2, 1];
  }
  var parsed = formula.match(RE_NTH_ELEMENT);
  if (!parsed) {
    throw new Error("n-th rule couldn't be parsed ('" + formula + "')");
  }
  var a;
  if (parsed[1]) {
    a = parseInt(parsed[1], 10);
    if (isNaN(a)) {
      a = parsed[1].startsWith("-") ? -1 : 1;
    }
  } else
  a = 0;
  var b = (parsed[2] === "-" ? -1 : 1) * (
  parsed[3] ? parseInt(parsed[3], 10) : 0);
  return [a, b];
}
function parse$3 ( formula ) { formula = formula . trim ( ) . toLowerCase ( ) ; if ( formula === "even" ) { return [ 2 , 0 ] ; } else if ( formula === "odd" ) { return [ 2 , 1 ] ; } var parsed = formula . match ( RE_NTH_ELEMENT ) ; if ( ! parsed ) { throw new Error ( "n-th rule couldn't be parsed ('" + formula + "')" ) ; } var a ; if ( parsed [ 1 ] ) { a = parseInt ( parsed [ 1 ] , 10 ) ; if ( isNaN ( a ) ) { a = parsed [ 1 ] . startsWith ( "-" ) ? - 1 : 1 ; } } else a = 0 ; var b = ( parsed [ 2 ] === "-" ? - 1 : 1 ) * ( parsed [ 3 ] ? parseInt ( parsed [ 3 ] , 10 ) : 0 ) ; return [ a , b ] ; }
Parses an expression.
Parses an expression .