@commitlint/prompt/lib/library/get-forced-leading-fn.js

commitizen prompt using commitlint.config.js

import { ruleIsActive, ruleIsNotApplicable } from './utils.js';
/**
 * Get forced leading for rule
 * @param rule to parse
 * @return transform function applying the leading
 */
export default function getForcedLeadingFn(rule) {
    if (!rule || !ruleIsActive(rule)) {
        return (input) => input;
    }
    const remove = (input) => {
        const fragments = input.split('\n');
        return fragments[0] === '' ? fragments.slice(1).join('\n') : input;
    };
    const lead = (input) => {
        const fragments = input.split('\n');
        return fragments[0] === '' ? input : ['', ...fragments].join('\n');
    };
    return !ruleIsNotApplicable(rule) ? lead : remove;
}
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