@tanstack/router-core
Version:
Modern and scalable routing for React applications
65 lines (64 loc) • 2.31 kB
JavaScript
import { joinPaths, trimPath } from "./path.js";
//#region src/rewrite.ts
/** Compose multiple rewrite pairs into a single in/out rewrite. */
/** Compose multiple rewrite pairs into a single in/out rewrite. */
function composeRewrites(rewrites) {
return {
input: ({ url }) => {
for (const rewrite of rewrites) url = executeRewriteInput(rewrite, url);
return url;
},
output: ({ url }) => {
for (let i = rewrites.length - 1; i >= 0; i--) url = executeRewriteOutput(rewrites[i], url);
return url;
}
};
}
/** Create a rewrite pair that strips/adds a basepath on input/output. */
/** Create a rewrite pair that strips/adds a basepath on input/output. */
function rewriteBasepath(opts) {
const trimmedBasepath = trimPath(opts.basepath);
const normalizedBasepath = `/${trimmedBasepath}`;
const normalizedBasepathWithSlash = `${normalizedBasepath}/`;
const checkBasepath = opts.caseSensitive ? normalizedBasepath : normalizedBasepath.toLowerCase();
const checkBasepathWithSlash = opts.caseSensitive ? normalizedBasepathWithSlash : normalizedBasepathWithSlash.toLowerCase();
return {
input: ({ url }) => {
const pathname = opts.caseSensitive ? url.pathname : url.pathname.toLowerCase();
if (pathname === checkBasepath) url.pathname = "/";
else if (pathname.startsWith(checkBasepathWithSlash)) url.pathname = url.pathname.slice(normalizedBasepath.length);
return url;
},
output: ({ url }) => {
url.pathname = joinPaths([
"/",
trimmedBasepath,
url.pathname
]);
return url;
}
};
}
/** Execute a location input rewrite if provided. */
/** Execute a location input rewrite if provided. */
function executeRewriteInput(rewrite, url) {
const res = rewrite?.input?.({ url });
if (res) {
if (typeof res === "string") return new URL(res);
else if (res instanceof URL) return res;
}
return url;
}
/** Execute a location output rewrite if provided. */
/** Execute a location output rewrite if provided. */
function executeRewriteOutput(rewrite, url) {
const res = rewrite?.output?.({ url });
if (res) {
if (typeof res === "string") return new URL(res);
else if (res instanceof URL) return res;
}
return url;
}
//#endregion
export { composeRewrites, executeRewriteInput, executeRewriteOutput, rewriteBasepath };
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