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b5f3067a6a
Initial setup of project dependencies including axios, express, dotenv, and other supporting packages. Added configuration files and documentation for project setup and usage.
69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var callBound = require('call-bound');
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var inspect = require('object-inspect');
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var $TypeError = require('es-errors/type');
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var $Map = GetIntrinsic('%Map%', true);
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/** @type {<K, V>(thisArg: Map<K, V>, key: K) => V} */
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var $mapGet = callBound('Map.prototype.get', true);
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/** @type {<K, V>(thisArg: Map<K, V>, key: K, value: V) => void} */
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var $mapSet = callBound('Map.prototype.set', true);
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/** @type {<K, V>(thisArg: Map<K, V>, key: K) => boolean} */
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var $mapHas = callBound('Map.prototype.has', true);
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/** @type {<K, V>(thisArg: Map<K, V>, key: K) => boolean} */
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var $mapDelete = callBound('Map.prototype.delete', true);
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/** @type {<K, V>(thisArg: Map<K, V>) => number} */
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var $mapSize = callBound('Map.prototype.size', true);
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/** @type {import('.')} */
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module.exports = !!$Map && /** @type {Exclude<import('.'), false>} */ function getSideChannelMap() {
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/** @typedef {ReturnType<typeof getSideChannelMap>} Channel */
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/** @typedef {Parameters<Channel['get']>[0]} K */
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/** @typedef {Parameters<Channel['set']>[1]} V */
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/** @type {Map<K, V> | undefined} */ var $m;
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/** @type {Channel} */
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var channel = {
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assert: function (key) {
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if (!channel.has(key)) {
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throw new $TypeError('Side channel does not contain ' + inspect(key));
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}
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},
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'delete': function (key) {
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if ($m) {
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var result = $mapDelete($m, key);
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if ($mapSize($m) === 0) {
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$m = void undefined;
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}
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return result;
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}
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return false;
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},
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get: function (key) { // eslint-disable-line consistent-return
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if ($m) {
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return $mapGet($m, key);
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}
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},
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has: function (key) {
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if ($m) {
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return $mapHas($m, key);
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}
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return false;
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},
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set: function (key, value) {
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if (!$m) {
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// @ts-expect-error TS can't handle narrowing a variable inside a closure
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$m = new $Map();
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}
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$mapSet($m, key, value);
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}
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};
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// @ts-expect-error TODO: figure out why TS is erroring here
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return channel;
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};
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