@worker-tools/middleware/script/caching.js

A suite of standalone HTTP server middlewares for Worker Runtimes.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.caching = void 0;
const cache_control_1 = require("@tusbar/cache-control");
const SECOND = { unit: 'second', relativeTo: '1970-01-01' };
const isDuration = (x) => (x === null || x === void 0 ? void 0 : x[Symbol.toStringTag]) === 'Temporal.Duration';
const caching = (options = {}) => async (ax) => {
    const x = await ax;
    const opts = Object.fromEntries(Object.entries(options).map(([k, v]) => [k, isDuration(v) ? v.total(SECOND) : v]));
    x.effects.push(res => res.headers.set('Cache-Control', (0, cache_control_1.format)(opts)));
    return x;
};
exports.caching = caching;
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