37 lines
1,012 B
TypeScript
37 lines
1,012 B
TypeScript
import { getRouteRegex } from './route-regex'
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export function getRouteMatcher(routeRegex: ReturnType<typeof getRouteRegex>) {
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const { re, groups } = routeRegex
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return (pathname: string | null | undefined) => {
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const routeMatch = re.exec(pathname!)
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if (!routeMatch) {
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return false
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}
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const decode = (param: string) => {
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try {
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return decodeURIComponent(param)
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} catch (_) {
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const err: Error & { code?: string } = new Error(
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'failed to decode param'
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)
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err.code = 'DECODE_FAILED'
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throw err
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}
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}
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const params: { [paramName: string]: string | string[] } = {}
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Object.keys(groups).forEach((slugName: string) => {
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const g = groups[slugName]
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const m = routeMatch[g.pos]
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if (m !== undefined) {
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params[slugName] = ~m.indexOf('/')
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? m.split('/').map((entry) => decode(entry))
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: g.repeat
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? [decode(m)]
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: decode(m)
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}
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})
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return params
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}
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}
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