50 lines
1.8 KiB
JavaScript
50 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.createInstrumentation = createInstrumentation;
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/**
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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function createInstrumentation() {
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const listeners = [];
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return new Proxy({}, {
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get: (obj, prop) => {
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if (typeof prop !== 'string') return obj[prop];
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if (prop === 'addListener') return listener => listeners.push(listener);
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if (prop === 'removeListener') return listener => listeners.splice(listeners.indexOf(listener), 1);
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if (prop === 'removeAllListeners') return () => listeners.splice(0, listeners.length);
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if (prop.startsWith('run')) {
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return async (...params) => {
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for (const listener of listeners) {
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var _prop, _ref;
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await ((_prop = (_ref = listener)[prop]) === null || _prop === void 0 ? void 0 : _prop.call(_ref, ...params));
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}
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};
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}
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if (prop.startsWith('on')) {
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return (...params) => {
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for (const listener of listeners) {
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var _prop2, _ref2;
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(_prop2 = (_ref2 = listener)[prop]) === null || _prop2 === void 0 || _prop2.call(_ref2, ...params);
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}
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};
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}
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return obj[prop];
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}
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});
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} |