trxcllnt commented on a change in pull request #9961:
URL: https://github.com/apache/arrow/pull/9961#discussion_r610380913
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File path: js/gulp/compile-task.js
##########
@@ -25,12 +25,12 @@ const typescriptTask = require('./typescript-task');
const { arrowTask, arrowTSTask } = require('./arrow-task');
const compileTask = ((cache) => memoizeTask(cache, function compile(target,
format, ...args) {
- return target === `src` ? Observable.empty()
- : target === npmPkgName ? arrowTask(target, format,
...args)()
- : target === `ts` ? arrowTSTask(target, format,
...args)()
- : format === `umd` ? target === `es5` ? closureTask(target, format,
...args)()
- : minifyTask(target, format,
...args)()
- : typescriptTask(target,
format, ...args)();
+ return target === `src` ? Observable.empty()
+ : target === npmPkgName ? arrowTask(target, format,
...args)()
+ : target === `ts` ? arrowTSTask(target,
format, ...args)()
+ : format === `umd` ? target === `es2015` ? closureTask(target,
format, ...args)()
Review comment:
Does Closure finally produce good ES2015+? I think we've only been using
it to make the ES5 UMD bundle because it was either bad, or didn't always work
when `language_out` was ES2015+.
If it does, I'd be happy to rip out Webpack + Terser and use Closure for all
the UMD bundles.
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