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postcss-preset-env: pin some features to stage: 1 #213

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Merged
romainmenke merged 2 commits into from
Jan 31, 2022
Merged

postcss-preset-env: pin some features to stage: 1 #213

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postcss-preset-env: pin some features to stage: 1
romainmenke Jan 30, 2022
fe40a06
Merge remote-tracking branch 'origin/7.3--philosophical-mayfly-9d15ad…
romainmenke Jan 30, 2022
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14 changes: 14 additions & 0 deletions plugin-packs/postcss-preset-env/src/lib/list-features.mjs
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Expand Up @@ -32,6 +32,20 @@ export function listFeatures(cssdbList, options, sharedOptions) {

const stage = stageFromOptions(options);

// TODO : remove this hack in the next major
// see : https://github.com/csstools/cssdb/pull/78
// These features require client side polyfills and changing their stage is breaking for everyone with `preserve : false`
if (stage === 2 && sharedOptions && sharedOptions.preserve === false) {
cssdbList = JSON.parse(JSON.stringify(cssdbList)); // deep clone;
cssdbList.forEach((feature) => {
if (feature.id === 'blank-pseudo-class') {
feature.stage = 1;
} else if (feature.id === 'prefers-color-scheme-query') {
feature.stage = 1;
}
});
}

// polyfillable features (those with an available postcss plugin)
const polyfillableFeatures = prepareFeaturesList(cssdbList, insertBefore, insertAfter).map((feature) => {
return formatPolyfillableFeature(feature);
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