64 lines
2.1 KiB
JavaScript
Executable File
64 lines
2.1 KiB
JavaScript
Executable File
// An internal module to expose the "waitUntil" API to Edge SSR and Edge Route Handler functions.
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// This is highly experimental and subject to change.
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// We still need a global key to bypass Webpack's layering of modules.
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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internal_getCurrentFunctionWaitUntil: null,
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internal_runWithWaitUntil: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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internal_getCurrentFunctionWaitUntil: function() {
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return internal_getCurrentFunctionWaitUntil;
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},
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internal_runWithWaitUntil: function() {
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return internal_runWithWaitUntil;
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}
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});
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const GLOBAL_KEY = Symbol.for('__next_internal_waitUntil__');
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const state = // @ts-ignore
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globalThis[GLOBAL_KEY] || // @ts-ignore
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(globalThis[GLOBAL_KEY] = {
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waitUntilCounter: 0,
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waitUntilResolve: undefined,
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waitUntilPromise: null
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});
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// No matter how many concurrent requests are being handled, we want to make sure
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// that the final promise is only resolved once all of the waitUntil promises have
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// settled.
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function resolveOnePromise() {
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state.waitUntilCounter--;
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if (state.waitUntilCounter === 0) {
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state.waitUntilResolve();
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state.waitUntilPromise = null;
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}
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}
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function internal_getCurrentFunctionWaitUntil() {
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return state.waitUntilPromise;
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}
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function internal_runWithWaitUntil(fn) {
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const result = fn();
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if (result && typeof result === 'object' && 'then' in result && 'finally' in result && typeof result.then === 'function' && typeof result.finally === 'function') {
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if (!state.waitUntilCounter) {
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// Create the promise for the next batch of waitUntil calls.
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state.waitUntilPromise = new Promise((resolve)=>{
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state.waitUntilResolve = resolve;
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});
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}
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state.waitUntilCounter++;
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return result.finally(()=>{
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resolveOnePromise();
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});
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}
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return result;
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}
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//# sourceMappingURL=internal-edge-wait-until.js.map
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