Function lookForMatch

docs/src/preprocess/include_code.js:101–134

(regex)

   * Search for one of the regex statements in the code file. If it's found, return the line as a string and the line number.
   */
  const lookForMatch = (regex) => {
    let match;
    let matchFound = false;
    let matchedLineNum = null;
    let actualMatch = null;
    let lines = fileContent.split("\n");
    while ((match = regex.exec(fileContent))) {
      if (match !== null) {
        const identifiers = match[1].split(":");
        let tempMatch = identifiers.includes(identifier) ? match : null;

        if (tempMatch === null) {
          // If it's not a match, we'll make a note that we should remove the matched text, because it's from some other identifier and should not appear in the snippet for this identifier.
          for (let i = 0; i < lines.length; i++) {
            let line = lines[i];
            if (line.trim() == match[0].trim()) {
              linesToRemove.push(i + 1); // lines are indexed from 1
            }
          }
        } else {
          if (matchFound === true) {
            throw new Error(
              `Duplicate for regex ${regex} and identifier ${identifier}`
            );
          }
          matchFound = true;
          matchedLineNum = getLineNumberFromIndex(fileContent, tempMatch.index);
          actualMatch = tempMatch;
        }
      }
    }

    return [actualMatch, matchedLineNum];
  };

  let [startMatch, startLineNum] = lookForMatch(startRegex);
  let [endMatch, endLineNum] = lookForMatch(endRegex);