tsoa

node_modules/@hapi/hapi/lib/methods.js

@@ -0,0 +1,126 @@
+'use strict';
+
+const Boom = require('@hapi/boom');
+const Hoek = require('@hapi/hoek');
+
+const Config = require('./config');
+
+
+const internals = {
+    methodNameRx: /^[_$a-zA-Z][$\w]*(?:\.[_$a-zA-Z][$\w]*)*$/
+};
+
+
+exports = module.exports = internals.Methods = class {
+
+    methods = {};
+
+    #core = null;
+
+    constructor(core) {
+
+        this.#core = core;
+    }
+
+    add(name, method, options, realm) {
+
+        if (typeof name !== 'object') {
+            return this._add(name, method, options, realm);
+        }
+
+        // {} or [{}, {}]
+
+        const items = [].concat(name);
+        for (let item of items) {
+            item = Config.apply('methodObject', item);
+            this._add(item.name, item.method, item.options ?? {}, realm);
+        }
+    }
+
+    _add(name, method, options, realm) {
+
+        Hoek.assert(typeof method === 'function', 'method must be a function');
+        Hoek.assert(typeof name === 'string', 'name must be a string');
+        Hoek.assert(name.match(internals.methodNameRx), 'Invalid name:', name);
+        Hoek.assert(!Hoek.reach(this.methods, name, { functions: false }), 'Server method function name already exists:', name);
+
+        options = Config.apply('method', options, name);
+
+        const settings = Hoek.clone(options, { shallow: ['bind'] });
+        settings.generateKey = settings.generateKey ?? internals.generateKey;
+
+        const bind = settings.bind ?? realm.settings.bind ?? null;
+        const bound = !bind ? method : (...args) => method.apply(bind, args);
+
+        // Not cached
+
+        if (!settings.cache) {
+            return this._assign(name, bound);
+        }
+
+        // Cached
+
+        Hoek.assert(!settings.cache.generateFunc, 'Cannot set generateFunc with method caching:', name);
+        Hoek.assert(settings.cache.generateTimeout !== undefined, 'Method caching requires a timeout value in generateTimeout:', name);
+
+        settings.cache.generateFunc = (id, flags) => bound(...id.args, flags);
+        const cache = this.#core._cachePolicy(settings.cache, '#' + name);
+
+        const func = function (...args) {
+
+            const key = settings.generateKey.apply(bind, args);
+            if (typeof key !== 'string') {
+                return Promise.reject(Boom.badImplementation('Invalid method key when invoking: ' + name, { name, args }));
+            }
+
+            return cache.get({ id: key, args });
+        };
+
+        func.cache = {
+            drop: function (...args) {
+
+                const key = settings.generateKey.apply(bind, args);
+                if (typeof key !== 'string') {
+                    return Promise.reject(Boom.badImplementation('Invalid method key when invoking: ' + name, { name, args }));
+                }
+
+                return cache.drop(key);
+            },
+            stats: cache.stats
+        };
+
+        this._assign(name, func, func);
+    }
+
+    _assign(name, method) {
+
+        const path = name.split('.');
+        let ref = this.methods;
+        for (let i = 0; i < path.length; ++i) {
+            if (!ref[path[i]]) {
+                ref[path[i]] = (i + 1 === path.length ? method : {});
+            }
+
+            ref = ref[path[i]];
+        }
+    }
+};
+
+
+internals.supportedArgs = ['string', 'number', 'boolean'];
+
+
+internals.generateKey = function (...args) {
+
+    let key = '';
+    for (let i = 0; i < args.length; ++i) {
+        const arg = args[i];
+        if (!internals.supportedArgs.includes(typeof arg)) {
+            return null;
+        }
+
+        key = key + (i ? ':' : '') + encodeURIComponent(arg.toString());
+    }
+
+    return key;
+};