@mediamonks/commitlint-issue-reference/dist/utils/getIssuePattern.js

Ensures your commit messages always include the same issue key as in your branch name

export function getIssuePattern(prefixOrRegex) {
    if (typeof prefixOrRegex === 'string') {
        const sanitizedPrefix = prefixOrRegex.replaceAll('#', '');
        return {
            commitPattern: new RegExp(`${prefixOrRegex}\\d+`, 'gu').source,
            branchPattern: new RegExp(`${sanitizedPrefix}\\d+`, 'gu').source,
            issuePrefix: extractIssuePrefix(prefixOrRegex, sanitizedPrefix),
        };
    }
    if (prefixOrRegex) {
        const branchPattern = prefixOrRegex.branch ?? prefixOrRegex.commit;
        return {
            commitPattern: prefixOrRegex.commit,
            branchPattern,
            issuePrefix: extractIssuePrefix(prefixOrRegex.commit, branchPattern),
        };
    }
    // return default
    const commitPattern = /[A-Z\d]+-\d+/gu.source;
    return {
        commitPattern,
        branchPattern: commitPattern,
        issuePrefix: '',
    };
}
function extractIssuePrefix(commitPrefix, branchPrefix) {
    if (commitPrefix === branchPrefix) {
        return '';
    }
    if (commitPrefix.includes(branchPrefix)) {
        return commitPrefix.replace(branchPrefix, '');
    }
    return undefined;
}