Function parser

src/parser.ts:30–160

(text: string)

}

export function parser(text: string): string[] {
  const output: string[] = [];
  let chunk = '';
  let previousToken = '';

  // This is where message starts.
  // "Hello {name}!"
  //         ^
  // It must return end index of the message and parsed data.
  function messageStart(startIndex: number): { index: number, output: string; } {
    let localSelector = '';
    let localPipes: [string, ...[string, string][]][] = [];
    let localPipeIndex = -1;

    function end(index: number) {
      const selectorTrim = localSelector.trim();
      const selector = selectorTrim
        ? selectorTrim[0] === '['
          ? 'a' + selectorTrim
          : 'a.' + selectorTrim
        : '';
      const output = localPipes.reduce(reducePipe, selector);

      return {
        index,
        output,
      };
    }

    for (let i = startIndex; i < text.length; i++) {
      const char = text[i];
      const escaped = previousToken === tokenEscape;
      previousToken = char;

      if (char === tokenEscape) {
        continue;
      }

      if (tokenPipe === char) {
        localPipeIndex += 1;
        localPipes[localPipeIndex] = [''];
        continue;
      }

      // Handle message inside selector
      if (tokenStart === char && localPipeIndex === -1 && !escaped) {
        const messageData = messageStart(i + 1);
        i = messageData.index;

        if (localSelector[localSelector.length - 1] === '.') {
          localSelector = localSelector.slice(0, -1);
        }

        localSelector += '[' + messageData.output + ']';
        continue;
      }

      if (tokenEnd === char) {