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Disable ES2015 transforms based on node version using babel-preset-env #878

Merged
merged 4 commits into from
Oct 11, 2016
Merged

Disable ES2015 transforms based on node version using babel-preset-env #878

merged 4 commits into from
Oct 11, 2016

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shubheksha
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Fixes #863

presets: [
[require('babel-preset-env').default, {
"targets": {
"node": parseInt(process.versions.node),
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  1. Let's change this to parseFloat as we discussed to fix features introduced in minor Node releases.
  2. This line misses an indentation.

module.exports = {
presets: [
[require('babel-preset-env').default, {
"targets": {
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Nitpick: quotes are unnecessary here, let's leave just targets and node.

if (env === 'test') {
module.exports = {
presets: [
[require('babel-preset-env').default, {
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Let's add a comment above this line.
Something like

// ES features necessary for user's Node version

}
else {
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Nit: please move else to the previous line, i.e.

} else {

@gaearon gaearon added this to the 0.7.0 milestone Oct 11, 2016
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gaearon commented Oct 11, 2016

Looks great, thank you!

@gaearon gaearon merged commit 351e449 into facebook:master Oct 11, 2016
@hzoo
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hzoo commented Oct 11, 2016

We could totally do "node": parseInt(process.versions.node) as a string option for users that use the json config that would internally run parseFloat(process.versions.node) with a process value or something. babel/babel-preset-env#9 @shubheksha would you want to make a PR for that?

@gaearon
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gaearon commented Oct 11, 2016

@hzoo Note I think it should be parseFloat, or comparison of e.g. 6 and 6.5 will say the feature is not supported.

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hzoo commented Oct 11, 2016

Oops yeah totally, I just copied the wrong thing from the diff 😛

@shubheksha
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@hzoo - yes, gladly, thank you!

feiqitian pushed a commit to feiqitian/create-react-app that referenced this pull request Oct 25, 2016
facebook#878)

* Disable ES2015 transforms based on node version using babel-preset-env

* pass major version number for node to babel-preset-env instead of version string

* use parseFloat() instead of parseInt() to parse node version

* fixed style nits
jarlef pushed a commit to jarlef/create-react-app that referenced this pull request Nov 28, 2016
facebook#878)

* Disable ES2015 transforms based on node version using babel-preset-env

* pass major version number for node to babel-preset-env instead of version string

* use parseFloat() instead of parseInt() to parse node version

* fixed style nits
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4 participants