name : util-contains-newline.js 'use strict'; function containsNewline(key) { if (!key) return null; switch (key.type) { case 'alias': case 'scalar': case 'double-quoted-scalar': case 'single-quoted-scalar': if (key.source.includes('\n')) return true; if (key.end) for (const st of key.end) if (st.type === 'newline') return true; return false; case 'flow-collection': for (const it of key.items) { for (const st of it.start) if (st.type === 'newline') return true; if (it.sep) for (const st of it.sep) if (st.type === 'newline') return true; if (containsNewline(it.key) || containsNewline(it.value)) return true; } return false; default: return true; } } exports.containsNewline = containsNewline;