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Generate color-system.scss from primer-colors #761

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52 changes: 52 additions & 0 deletions script/generate-colors.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
#!/usr/bin/env node

const colors = require('primer-colors')
const write = console.log

const hues = {}
for (const [name, value] of Object.entries(colors)) {
if (Array.isArray(value)) {
const mapName = `${name}s`
writeArray(mapName, value)
for (const index of Object.keys(value)) {
writeVariable(`${name}-${index}`, `map-get($${mapName}, ${index})`)
writeVariable(`${name}-${index}00`, `map-get($${mapName}, ${index})`)
}
hues[name] = `$${mapName}`
write('')
} else {
writeVariable(name, value)
}
}

write('')
for (const hue of Object.keys(hues)) {
writeVariable(hue, `$${hue}-5`)
}

write('')
writeVariable('gray-dark', '$gray-900')
writeVariable('gray-light', '$gray-400')
writeVariable('gray', '$gray-500')
write('')

for (const color of ['black', 'white']) {
for (const alpha of [15, 30, 50, 70, 85]) {
writeVariable(`${color}-fade-${alpha}`, `rgba($${color}, 0.${alpha})`)
}
write('')
}

writeArray('hue-maps', hues)

function writeVariable(name, value) {
write(`$${name}: ${value} !default;`)
}

function writeArray(name, value) {
write(`$${name}: (${Object.entries(value).map(formatArrayEntry).join('')}\n) !default;\n`)
}

function formatArrayEntry([index, value]) {
return `\n ${index}: ${value},`
}
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