Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 6x 43x 43x 43x 7x 28x 7x 7x 4x 14x 14x 1x 7x 7x 4x 10x 10x 41x 41x 11x 1x 1x 1x 40x 40x 1x 1x 5x 1x 4x 12x 8x 4x 1x | const unquote = require('unquote')
const globalKeywords = require('css-global-keywords')
const systemFontKeywords = require('css-system-font-keywords')
const fontWeightKeywords = require('css-font-weight-keywords')
const fontStyleKeywords = require('css-font-style-keywords')
const fontStretchKeywords = require('css-font-stretch-keywords')
import * as cssListHelpers from 'css-list-helpers'
import * as helpers from './helpers'
export interface ISystemFont {
system: string
}
export interface IFont {
style?: string
variant?: string
weight?: string
stretch?: string
size?: string
lineHeight?: string | number
family?: string[]
}
const errorPrefix = '[parse-css-font] '
export default function parseCSSFont(value: string) {
if (typeof value !== 'string') {
throw new TypeError(errorPrefix + 'Expected a string.')
}
if (value === '') {
throw error('Cannot parse an empty string.')
}
if (systemFontKeywords.indexOf(value) !== -1) {
return { system: value } as ISystemFont
}
const font: IFont = {
lineHeight: 'normal',
stretch: 'normal',
style: 'normal',
variant: 'normal',
weight: 'normal',
}
let isLocked = false
const tokens = cssListHelpers.splitBySpaces(value)
let token = tokens.shift()
for (; !!token; token = tokens.shift()) {
if (token === 'normal' || globalKeywords.indexOf(token) !== -1) {
;(['style', 'variant', 'weight', 'stretch'] as [
'style',
'variant',
'weight',
'stretch'
]).forEach(prop => {
font[prop] = token
})
isLocked = true
continue
}
if (fontWeightKeywords.indexOf(token) !== -1) {
if (isLocked) {
continue
}
font.weight = token
continue
}
if (fontStyleKeywords.indexOf(token) !== -1) {
if (isLocked) {
continue
}
font.style = token
continue
}
if (fontStretchKeywords.indexOf(token) !== -1) {
if (isLocked) {
continue
}
font.stretch = token
continue
}
if (helpers.isSize(token)) {
const parts = cssListHelpers.split(token, ['/'])
font.size = parts[0]
if (!!parts[1]) {
font.lineHeight = parseLineHeight(parts[1])
} else if (tokens[0] === '/') {
tokens.shift()
font.lineHeight = parseLineHeight(tokens.shift() as string)
}
if (!tokens.length) {
throw error('Missing required font-family.')
}
font.family = cssListHelpers
.splitByCommas(tokens.join(' '))
.map(unquote)
return font
}
if (font.variant !== 'normal') {
throw error('Unknown or unsupported font token: ' + font.variant)
}
if (isLocked) {
continue
}
font.variant = token
}
throw error('Missing required font-size.')
}
function error(message: string) {
return new Error(errorPrefix + message)
}
function parseLineHeight(value: string) {
const parsed = parseFloat(value)
if (parsed.toString() === value) {
return parsed
}
return value
}
// @ts-ignore
module.exports = Object.assign(exports.default, exports)
|