67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
import { match } from "@reach/router/lib/utils"
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import stripPrefix from "./strip-prefix"
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import normalizePagePath from "./normalize-page-path"
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let matchPaths = []
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const trimPathname = rawPathname => {
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let pathname = decodeURIComponent(rawPathname)
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// Remove the pathPrefix from the pathname.
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let trimmedPathname = stripPrefix(pathname, __BASE_PATH__)
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// Remove any hashfragment
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.split(`#`)[0]
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// Remove search query
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.split(`?`)[0]
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return trimmedPathname
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}
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/**
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* Set list of matchPaths
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*
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* @param {Array<{path: string, matchPath: string}>} value collection of matchPaths
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*/
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export const setMatchPaths = value => {
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matchPaths = value
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}
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/**
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* Return a matchpath url
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* if `match-paths.json` contains `{ "/foo*": "/page1", ...}`, then
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* `/foo?bar=far` => `/page1`
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*
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* @param {string} rawPathname A raw pathname
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* @return {string|null}
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*/
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export const findMatchPath = rawPathname => {
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const trimmedPathname = cleanPath(rawPathname)
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for (const { matchPath, path } of matchPaths) {
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if (match(matchPath, trimmedPathname)) {
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return normalizePagePath(path)
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}
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}
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return null
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}
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/**
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* Clean a url and converts /index.html => /
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* E.g `/foo?bar=far` => `/foo`
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*
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* @param {string} rawPathname A raw pathname
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* @return {string}
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*/
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export const cleanPath = rawPathname => {
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const trimmedPathname = trimPathname(rawPathname)
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let foundPath = trimmedPathname
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if (foundPath === `/index.html`) {
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foundPath = `/`
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}
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foundPath = normalizePagePath(foundPath)
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return foundPath
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}
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