wasi: refactor destructuring object on constructor

himself65 · targos · commit ff47915e5b51 · 2020-01-14T16:56:23.000+01:00
PR-URL: #31185 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com> Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/lib/wasi.js b/lib/wasi.js
@@ -25,13 +25,11 @@ class WASI {
 if (options === null || typeof options !== 'object')
 throw new ERR_INVALID_ARG_TYPE('options', 'object', options);
 
- // eslint-disable-next-line prefer-const
- let { args, env, preopens } = options;
+ const { env, preopens } = options;
+ let { args = [] } = options;
 
 if (ArrayIsArray(args))
 args = ArrayPrototypeMap(args, (arg) => { return String(arg); });
- else if (args === undefined)
- args = [];
 else
 throw new ERR_INVALID_ARG_TYPE('options.args', 'Array', args);
 

-Original file line number
+Diff line change
 if(options===null||typeofoptions!=='object')
 thrownewERR_INVALID_ARG_TYPE('options','object',options);
 -// eslint-disable-next-line prefer-const
 -let{ args, env, preopens}=options;
 +const{ env, preopens }=options;
 +let{ args=[]}=options;
 if(ArrayIsArray(args))
 args=ArrayPrototypeMap(args,(arg)=>{returnString(arg);});
 -elseif(args===undefined)
 -args=[];
 else
 thrownewERR_INVALID_ARG_TYPE('options.args','Array',args);