Function searchTextContent

packages/shell/src/helpers.ts:145–201

(
  content: string,
  query: string,
  options: StateSearchOptions = {}
)

}

export function searchTextContent(
  content: string,
  query: string,
  options: StateSearchOptions = {}
): StateTextMatch[] {
  const matcher = createTextMatcher(query, options);
  const matches: StateTextMatch[] = [];
  const lines = content.split("\n");

  for (let lineIndex = 0; lineIndex < lines.length; lineIndex++) {
    const lineText = lines[lineIndex];
    matcher.lastIndex = 0;

    for (;;) {
      const match = matcher.exec(lineText);
      if (!match) {
        break;
      }

      matches.push({
        line: lineIndex + 1,
        column: match.index + 1,
        match: match[0],
        lineText,
        ...(options.contextBefore
          ? {
              beforeLines: lines.slice(
                Math.max(0, lineIndex - options.contextBefore),
                lineIndex
              )
            }
          : {}),
        ...(options.contextAfter
          ? {
              afterLines: lines.slice(
                lineIndex + 1,
                lineIndex + 1 + options.contextAfter
              )
            }
          : {})
      });

      if (
        options.maxMatches !== undefined &&
        matches.length >= options.maxMatches
      ) {
        return matches;
      }

      if (match[0].length === 0) {
        matcher.lastIndex++;
      }
    }
  }

  return matches;
}