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Prefer nothing over empty templates (#15633)
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@@ -1,9 +1,11 @@
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import { ActionDetail } from "@material/mwc-list";
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import "@material/mwc-list/mwc-list-item";
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import { mdiClose, mdiDotsVertical } from "@mdi/js";
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import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
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import { css, CSSResultGroup, html, LitElement, nothing } from "lit";
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import { customElement, property, query, state } from "lit/decorators";
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import { atLeastVersion } from "../../../../src/common/config/version";
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import { fireEvent } from "../../../../src/common/dom/fire_event";
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import { stopPropagation } from "../../../../src/common/dom/stop_propagation";
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import { slugify } from "../../../../src/common/string/slugify";
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import "../../../../src/components/buttons/ha-progress-button";
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import "../../../../src/components/ha-alert";
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@@ -11,11 +13,11 @@ import "../../../../src/components/ha-button-menu";
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import "../../../../src/components/ha-header-bar";
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import "../../../../src/components/ha-icon-button";
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import { getSignedPath } from "../../../../src/data/auth";
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import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
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import {
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fetchHassioBackupInfo,
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HassioBackupDetail,
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} from "../../../../src/data/hassio/backup";
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import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
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import {
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showAlertDialog,
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showConfirmationDialog,
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@@ -27,8 +29,6 @@ import { fileDownload } from "../../../../src/util/file_download";
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import "../../components/supervisor-backup-content";
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import type { SupervisorBackupContent } from "../../components/supervisor-backup-content";
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import { HassioBackupDialogParams } from "./show-dialog-hassio-backup";
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import { atLeastVersion } from "../../../../src/common/config/version";
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import { stopPropagation } from "../../../../src/common/dom/stop_propagation";
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@customElement("dialog-hassio-backup")
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class HassioBackupDialog
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@@ -62,9 +62,9 @@ class HassioBackupDialog
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fireEvent(this, "dialog-closed", { dialog: this.localName });
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}
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protected render(): TemplateResult {
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protected render() {
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if (!this._dialogParams || !this._backup) {
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return html``;
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return nothing;
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}
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return html`
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<ha-dialog
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