.commitlintrc.js

import commitlintConfigConventional from "@commitlint/config-conventional"

const ruleMaxLineLength =
  commitlintConfigConventional.rules["body-max-line-length"];

ruleMaxLineLength[0] = process.env.CI === "true" ? 1 : 2;

export default {
  extends: ["@commitlint/config-conventional"],
  rules: {
    "body-max-line-length": ruleMaxLineLength,
    "footer-max-line-length": ruleMaxLineLength,
  },
};