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Remove experimental async functions by mhegazy · Pull Request #5231 · microsoft/TypeScript · GitHub
ghost
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Remove experimental async functions #5231
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lgtm. |
| @@ -1076,11 +1076,6 @@ namespace ts { | |||
| !options.experimentalDecorators) { | |||
| programDiagnostics.add(createCompilerDiagnostic(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); | |||
| } | |||
|
|
|||
| if (options.experimentalAsyncFunctions && | |||
| options.target !== ScriptTarget.ES6) { | |||
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do we now have ES5 support for async functions? What happens if you target ES5 and then use an async function?
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there should be another message Async functions are only available when targeting ECMAScript 6 and higher. which i have not changed
|
đź‘Ť |
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I had to lookup and see what TC39 was. It is a well documented here: |
mhegazy
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Oct 13, 2015
Remove experimental async functions
ghost
mentioned this pull request
|
https://github.com/Microsoft/TypeScript/wiki/Compiler-Options needs an update... this flag is still mentioned there without deprecation note. |
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Is there a way to use async/await but still target ES5? I mean, there is many envs which do not support ES2015 100%, but they support |
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For the time being, no. But we're working on supporting async/await in pre-ES6 targets. |
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@DanielRosenwasser thanks. Just got the idea: |
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Now that async/await support has reached stage 3 in the TC39 proposal process, time to remove the
--experimentalAsyncFunctionsflag