(_)
| 107018 | return Object.prototype.toString.call(_) === "[object RegExp]"; |
| 107019 | } |
| 107020 | function isString(_) { |
| 107021 | return typeof _ === "string"; |
| 107022 | } |
| 107023 | function key(fields, flat, opt) { |
| 107024 | if (fields) fields = flat ? array(fields).map((f)=>f.replace(/\\(.)/g, "$1")) : array(fields); |
| 107025 | const len = fields && fields.length, gen = opt && opt.get || getter, map = (f)=>gen(flat ? [ |