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feat: transform hsl to hsla #3850

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merged 5 commits into from Apr 30, 2021
Merged

feat: transform hsl to hsla #3850

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b9db0c4
feat: transform `hsl` to `hsla`
fedeci Mar 26, 2021
74e496b
feat: update plugins using `toRgba`
fedeci Mar 26, 2021
5893b71
Test `gradientColorStops`
fedeci Mar 26, 2021
06ccc4d
Add test for `ringWidth`
fedeci Mar 27, 2021
159f493
Add percentage symbol after Saturation and Lightness
fedeci Mar 27, 2021
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23 changes: 23 additions & 0 deletions __tests__/withAlphaVariable.test.js
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Expand Up @@ -118,3 +118,26 @@ test('it allows a closure to be passed', () => {
'background-color': 'rgba(0, 0, 0, var(--tw-bg-opacity))',
})
})

test('it transforms rgb and hsl to rgba and hsla', () => {
expect(
withAlphaVariable({
color: 'rgb(50, 50, 50)',
property: 'background-color',
variable: '--tw-bg-opacity',
})
).toEqual({
'--tw-bg-opacity': '1',
'background-color': 'rgba(50, 50, 50, var(--tw-bg-opacity))',
})
expect(
withAlphaVariable({
color: 'hsl(50, 50%, 50%)',
property: 'background-color',
variable: '--tw-bg-opacity',
})
).toEqual({
'--tw-bg-opacity': '1',
'background-color': 'hsla(50, 50, 50, var(--tw-bg-opacity))',
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})
})
12 changes: 10 additions & 2 deletions src/util/withAlphaVariable.js
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Expand Up @@ -16,6 +16,12 @@ export function toRgba(color) {
return [r, g, b, a === undefined && hasAlpha(color) ? 1 : a]
}

export function toHsla(color) {
const [h, s, l, a] = createColor(color).hsl().array()

return [h, s, l, a === undefined && hasAlpha(color) ? 1 : a]
}

export default function withAlphaVariable({ color, property, variable }) {
if (_.isFunction(color)) {
return {
Expand All @@ -25,7 +31,9 @@ export default function withAlphaVariable({ color, property, variable }) {
}

try {
const [r, g, b, a] = toRgba(color)
const isHSL = color.startsWith('hsl')

const [i, j, k, a] = isHSL ? toHsla(color) : toRgba(color)
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@fedeci fedeci Mar 26, 2021 •
edited

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We use generic component names because we don't know if it will be rgb or hsl


if (a !== undefined) {
return {
Expand All @@ -35,7 +43,7 @@ export default function withAlphaVariable({ color, property, variable }) {

return {
[variable]: '1',
[property]: `rgba(${r}, ${g}, ${b}, var(${variable}))`,
[property]: `${isHSL ? 'hsla' : 'rgba'}(${i}, ${j}, ${k}, var(${variable}))`,
}
} catch (error) {
return {
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