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@carbon/ibm-products

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/** * Copyright IBM Corp. 2020, 2026 * * This source code is licensed under the Apache-2.0 license found in the * LICENSE file in the root directory of this source tree. */ import { __toESM } from "../../../_virtual/_rolldown/runtime.js"; import { require_classnames } from "../../../node_modules/classnames/index.js"; import { pkg } from "../../../settings.js"; import { usePageHeader } from "./context.js"; import { scrollableAncestor } from "./utils.js"; import React from "react"; import { IconButton } from "@carbon/react"; import { ChevronUp } from "@carbon/react/icons"; //#region src/components/PageHeader/next/PageHeaderScrollButton.tsx /** * Copyright IBM Corp. 2026 * * This source code is licensed under the Apache-2.0 license found in the * LICENSE file in the root directory of this source tree. */ var import_classnames = /* @__PURE__ */ __toESM(require_classnames()); const PageHeaderScrollButton = React.forwardRef(function PageHeaderExpander({ className, children, label, onClick, collapseText = "Collapse", expandText = "Expand", ...other }, ref) { const { refs, observerState } = usePageHeader(); const fullyCollapsed = observerState.fullyCollapsed; const handleScroller = (isFullyCollapsed) => { if (!refs?.contentRef?.current) return; const scrollableTarget = scrollableAncestor(refs?.contentRef.current); if (!isFullyCollapsed) { const pageHeaderContentHeight = refs?.contentRef.current.offsetHeight; scrollableTarget?.scrollTo({ top: pageHeaderContentHeight, behavior: "smooth" }); } else scrollableTarget?.scrollTo({ top: 0, behavior: "smooth" }); }; return /* @__PURE__ */ React.createElement(IconButton, { ref, label: fullyCollapsed ? expandText : collapseText, size: "md", kind: "ghost", autoAlign: true, ...other, onClick: (event) => { onClick?.(event); handleScroller(!!fullyCollapsed); }, className: (0, import_classnames.default)(className, `${pkg.prefix}--page-header--scroller-button`) }, /* @__PURE__ */ React.createElement(ChevronUp, { className: (0, import_classnames.default)(`${pkg.prefix}--page-header--scroller-button-icon`, { [`${pkg.prefix}--page-header--scroller-button-icon-collapsed`]: fullyCollapsed }) })); }); PageHeaderScrollButton.displayName = "PageHeaderScrollButton"; //#endregion export { PageHeaderScrollButton };