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65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
import { joinPaths, trimPath } from "./path.js";
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//#region src/rewrite.ts
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/** Compose multiple rewrite pairs into a single in/out rewrite. */
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/** Compose multiple rewrite pairs into a single in/out rewrite. */
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function composeRewrites(rewrites) {
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return {
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input: ({ url }) => {
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for (const rewrite of rewrites) url = executeRewriteInput(rewrite, url);
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return url;
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},
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output: ({ url }) => {
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for (let i = rewrites.length - 1; i >= 0; i--) url = executeRewriteOutput(rewrites[i], url);
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return url;
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}
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};
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}
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/** Create a rewrite pair that strips/adds a basepath on input/output. */
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/** Create a rewrite pair that strips/adds a basepath on input/output. */
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function rewriteBasepath(opts) {
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const trimmedBasepath = trimPath(opts.basepath);
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const normalizedBasepath = `/${trimmedBasepath}`;
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const normalizedBasepathWithSlash = `${normalizedBasepath}/`;
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const checkBasepath = opts.caseSensitive ? normalizedBasepath : normalizedBasepath.toLowerCase();
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const checkBasepathWithSlash = opts.caseSensitive ? normalizedBasepathWithSlash : normalizedBasepathWithSlash.toLowerCase();
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return {
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input: ({ url }) => {
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const pathname = opts.caseSensitive ? url.pathname : url.pathname.toLowerCase();
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if (pathname === checkBasepath) url.pathname = "/";
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else if (pathname.startsWith(checkBasepathWithSlash)) url.pathname = url.pathname.slice(normalizedBasepath.length);
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return url;
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},
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output: ({ url }) => {
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url.pathname = joinPaths([
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"/",
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trimmedBasepath,
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url.pathname
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]);
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return url;
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}
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};
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}
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/** Execute a location input rewrite if provided. */
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/** Execute a location input rewrite if provided. */
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function executeRewriteInput(rewrite, url) {
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const res = rewrite?.input?.({ url });
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if (res) {
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if (typeof res === "string") return new URL(res);
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else if (res instanceof URL) return res;
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}
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return url;
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}
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/** Execute a location output rewrite if provided. */
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/** Execute a location output rewrite if provided. */
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function executeRewriteOutput(rewrite, url) {
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const res = rewrite?.output?.({ url });
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if (res) {
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if (typeof res === "string") return new URL(res);
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else if (res instanceof URL) return res;
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}
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return url;
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}
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//#endregion
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export { composeRewrites, executeRewriteInput, executeRewriteOutput, rewriteBasepath };
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//# sourceMappingURL=rewrite.js.map |