Huáng Jùnliàng eda4130d5e
Tweak helper compilation targets (#12615)
* refactor: simply browserslists defaults overwriting

When `hasTargets` is `false`,  `targets` is always an empty object by definition, `objectToBrowserslist({})` always return `[]` therefore we can remove `objectToBrowserslist`.

* test: apply external-helpers on preset-env test fixtures

* test: add ie 6 to force all transforms in corejs 3, debug, corejs 2 fixtures

* Add ie 6 as targets for test fixtures
2021-01-12 13:09:45 -05:00

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{
"presets": [["env", { "targets": { "browsers": "ie 6" } }], "react"]
}