It's extremely unlikely that new syntax will be introduced to replace one line helper function. Especially after experiences of PHP where swallow-error operator is a source of eternal torment.
swallowException = fn => Promise.resolve().then(fn).catch(()=>null) On Fri, Aug 11, 2017 at 10:16 AM, Hikaru Nakashima <[email protected] > wrote: > I think this idea is useful in async function. > > For exsample, we write codes as below, when we use fetch() in async > function. > > ```js > > let res, text > > try { > res = await fetch( url ) > } catch ( err ) { console.log( 'network error' ) } > > if ( ! res.ok ) console.log( 'server error' ) > else text = await res.text( ) > > > ``` > > or > > ```js > > let res, text > > res = await fetch( url ).catch( err => null ) > if ( ! res ) console.log( 'network error' ) > > else if ( ! res.ok ) console.log( 'server error' ) > else text = await res.text( ) > > > ``` > > but, we can write as below if we use this proposal. > > ```js > > let res, text > > res = try await fetch( url ) > if ( ! res ) console.log( 'network error' ) > > else if ( ! res.ok ) console.log( 'server error' ) > else text = await res.text( ) > > ``` > > or do we need another syntax like "await?" ? > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > >
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