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Runtime error
Runtime error
| function toArr(any) { | |
| return any == null ? [] : Array.isArray(any) ? any : [any]; | |
| } | |
| function toVal(out, key, val, opts) { | |
| var x, old=out[key], nxt=( | |
| !!~opts.string.indexOf(key) ? (val == null || val === true ? '' : String(val)) | |
| : typeof val === 'boolean' ? val | |
| : !!~opts.boolean.indexOf(key) ? (val === 'false' ? false : val === 'true' || (out._.push((x = +val,x * 0 === 0) ? x : val),!!val)) | |
| : (x = +val,x * 0 === 0) ? x : val | |
| ); | |
| out[key] = old == null ? nxt : (Array.isArray(old) ? old.concat(nxt) : [old, nxt]); | |
| } | |
| export default function (args, opts) { | |
| args = args || []; | |
| opts = opts || {}; | |
| var k, arr, arg, name, val, out={ _:[] }; | |
| var i=0, j=0, idx=0, len=args.length; | |
| const alibi = opts.alias !== void 0; | |
| const strict = opts.unknown !== void 0; | |
| const defaults = opts.default !== void 0; | |
| opts.alias = opts.alias || {}; | |
| opts.string = toArr(opts.string); | |
| opts.boolean = toArr(opts.boolean); | |
| if (alibi) { | |
| for (k in opts.alias) { | |
| arr = opts.alias[k] = toArr(opts.alias[k]); | |
| for (i=0; i < arr.length; i++) { | |
| (opts.alias[arr[i]] = arr.concat(k)).splice(i, 1); | |
| } | |
| } | |
| } | |
| for (i=opts.boolean.length; i-- > 0;) { | |
| arr = opts.alias[opts.boolean[i]] || []; | |
| for (j=arr.length; j-- > 0;) opts.boolean.push(arr[j]); | |
| } | |
| for (i=opts.string.length; i-- > 0;) { | |
| arr = opts.alias[opts.string[i]] || []; | |
| for (j=arr.length; j-- > 0;) opts.string.push(arr[j]); | |
| } | |
| if (defaults) { | |
| for (k in opts.default) { | |
| name = typeof opts.default[k]; | |
| arr = opts.alias[k] = opts.alias[k] || []; | |
| if (opts[name] !== void 0) { | |
| opts[name].push(k); | |
| for (i=0; i < arr.length; i++) { | |
| opts[name].push(arr[i]); | |
| } | |
| } | |
| } | |
| } | |
| const keys = strict ? Object.keys(opts.alias) : []; | |
| for (i=0; i < len; i++) { | |
| arg = args[i]; | |
| if (arg === '--') { | |
| out._ = out._.concat(args.slice(++i)); | |
| break; | |
| } | |
| for (j=0; j < arg.length; j++) { | |
| if (arg.charCodeAt(j) !== 45) break; // "-" | |
| } | |
| if (j === 0) { | |
| out._.push(arg); | |
| } else if (arg.substring(j, j + 3) === 'no-') { | |
| name = arg.substring(j + 3); | |
| if (strict && !~keys.indexOf(name)) { | |
| return opts.unknown(arg); | |
| } | |
| out[name] = false; | |
| } else { | |
| for (idx=j+1; idx < arg.length; idx++) { | |
| if (arg.charCodeAt(idx) === 61) break; // "=" | |
| } | |
| name = arg.substring(j, idx); | |
| val = arg.substring(++idx) || (i+1 === len || (''+args[i+1]).charCodeAt(0) === 45 || args[++i]); | |
| arr = (j === 2 ? [name] : name); | |
| for (idx=0; idx < arr.length; idx++) { | |
| name = arr[idx]; | |
| if (strict && !~keys.indexOf(name)) return opts.unknown('-'.repeat(j) + name); | |
| toVal(out, name, (idx + 1 < arr.length) || val, opts); | |
| } | |
| } | |
| } | |
| if (defaults) { | |
| for (k in opts.default) { | |
| if (out[k] === void 0) { | |
| out[k] = opts.default[k]; | |
| } | |
| } | |
| } | |
| if (alibi) { | |
| for (k in out) { | |
| arr = opts.alias[k] || []; | |
| while (arr.length > 0) { | |
| out[arr.shift()] = out[k]; | |
| } | |
| } | |
| } | |
| return out; | |
| } | |