73 lines
1.5 KiB
JavaScript
73 lines
1.5 KiB
JavaScript
'use strict'
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const isCSSColor = require('is-css-color')
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// When updating these, be sure also to update the list in `gh-badges/README.md`.
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const namedColors = {
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brightgreen: '#4c1',
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green: '#97ca00',
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yellow: '#dfb317',
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yellowgreen: '#a4a61d',
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orange: '#fe7d37',
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red: '#e05d44',
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blue: '#007ec6',
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grey: '#555',
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lightgrey: '#9f9f9f',
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}
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const aliases = {
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gray: 'grey',
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lightgray: 'lightgrey',
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critical: 'red',
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important: 'orange',
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success: 'brightgreen',
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informational: 'blue',
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inactive: 'lightgrey',
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}
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const resolvedAliases = {}
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Object.entries(aliases).forEach(([alias, original]) => {
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resolvedAliases[alias] = namedColors[original]
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})
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// This function returns false for `#ccc`. However `isCSSColor('#ccc')` is
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// true.
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const hexColorRegex = /^([\da-f]{3}){1,2}$/i
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function isHexColor(s = '') {
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return hexColorRegex.test(s)
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}
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function normalizeColor(color) {
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if (color === undefined) {
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return undefined
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} else if (color in namedColors) {
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return color
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} else if (color in aliases) {
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return aliases[color]
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} else if (isHexColor(color)) {
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return `#${color.toLowerCase()}`
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} else if (isCSSColor(color)) {
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return color.toLowerCase()
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} else {
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return undefined
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}
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}
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function toSvgColor(color) {
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const normalized = normalizeColor(color)
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if (normalized in namedColors) {
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return namedColors[normalized]
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} else if (normalized in resolvedAliases) {
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return resolvedAliases[normalized]
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} else {
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return normalized
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}
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}
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module.exports = {
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namedColors,
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isHexColor,
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normalizeColor,
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toSvgColor,
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}
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