2024-05-22 22:00:05 +08:00

44 lines
1.2 KiB
TypeScript

const RE_ATTR_VALUE = /(?:^|\s+)(?<attr>[\w\d-]+)(?:=\s*(?<quote>['"])(?<value>.+?)\k<quote>)?(?:\s+|$)/
const RE_CODE_BLOCKS = /^[\w\d-]*(\s*:[\w\d-]*)?(\s*\{[\d\w-,\s]+\})?\s*/
export function resolveAttrs(info: string): {
attrs: Record<string, string | boolean>
rawAttrs: string
} {
if (!info)
return { rawAttrs: '', attrs: {} }
info = info.replace(RE_CODE_BLOCKS, '').trim()
if (!info)
return { rawAttrs: '', attrs: {} }
const attrs: Record<string, string | boolean> = {}
const rawAttrs = info
let matched: RegExpMatchArray | null
// eslint-disable-next-line no-cond-assign
while (matched = info.match(RE_ATTR_VALUE)) {
const { attr, value } = matched.groups || {}
attrs[attr] = value ?? true
info = info.slice(matched[0].length)
}
Object.keys(attrs).forEach((key) => {
let value = attrs[key]
value = typeof value === 'string' ? value.trim() : value
if (value === 'true')
value = true
else if (value === 'false')
value = false
attrs[key] = value
if (key.includes('-')) {
const _key = key.replace(/-(\w)/g, (_, c) => c.toUpperCase())
attrs[_key] = value
}
})
return { attrs, rawAttrs }
}