40 lines
992 B
JavaScript
40 lines
992 B
JavaScript
/**
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* Copyright (c) HashiCorp, Inc.
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* SPDX-License-Identifier: MPL-2.0
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*/
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/**
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* Wraps an EventSource so that you can `close` and `reopen`
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*
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* @param {Class} eventSource - EventSource class to extend from
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*/
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export default function (eventSource = EventSource) {
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const OpenableEventSource = function (source, configuration = {}) {
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eventSource.apply(this, arguments);
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this.configuration = configuration;
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};
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OpenableEventSource.prototype = Object.assign(
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Object.create(eventSource.prototype, {
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constructor: {
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value: OpenableEventSource,
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configurable: true,
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writable: true,
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},
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}),
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{
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open: function () {
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switch (this.readyState) {
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case 3: // CLOSING
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this.readyState = 1;
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break;
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case 2: // CLOSED
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eventSource.apply(this, [this.source, this.configuration]);
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break;
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}
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return this;
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},
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}
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);
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return OpenableEventSource;
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}
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