| "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * ModalController registers a dialog element with the polyfill if\n * necessary for the current browser, add adds event listeners to\n * close and open modals.\n */\nexport class ModalController {\n constructor(private el: HTMLDialogElement) {\n // Only load the dialog polyfill if necessary for the environment.\n if (!window.HTMLDialogElement && !el.showModal) {\n import('../../../third_party/dialog-polyfill/dialog-polyfill.esm.js').then(\n ({ default: polyfill }) => {\n polyfill.registerDialog(el);\n }\n );\n }\n const id = el.id;\n const button = document.querySelector<HTMLButtonElement>(`[aria-controls=\"${id}\"]`);\n if (button) {\n button.addEventListener('click', () => {\n if (this.el.showModal) {\n this.el.showModal();\n } else {\n this.el.open = true;\n }\n el.querySelector('input')?.focus();\n });\n }\n for (const close of this.el.querySelectorAll<HTMLButtonElement>('[data-modal-close]')) {\n close.addEventListener('click', () => {\n if (this.el.close) {\n this.el.close();\n } else {\n this.el.open = false;\n }\n });\n }\n }\n}\n"], |
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