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24 lines
653 B
Text
24 lines
653 B
Text
/**
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* This function removes any uses of CSS variables used as an alpha channel
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*
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* This is required for selectors like `:visited` which do not allow
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* changes in opacity or external control using CSS variables.
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*
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* @param {import('postcss').Container} container
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* @param {string[]} toRemove
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*/
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export function removeAlphaVariables(container, toRemove) {
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container.walkDecls((decl) => {
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if (toRemove.includes(decl.prop)) {
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decl.remove()
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return
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}
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for (let varName of toRemove) {
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if (decl.value.includes(`/ var(${varName})`)) {
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decl.value = decl.value.replace(`/ var(${varName})`, '')
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}
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}
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})
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}
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