{
  "version": 3,
  "sources": ["../../../../src/lib/ui/hooks/usePrint.ts"],
  "sourcesContent": ["import { uniqueId, useEditor } from '@tldraw/editor'\nimport { useCallback, useRef } from 'react'\n\n/** @internal */\nexport function usePrint() {\n\tconst editor = useEditor()\n\tconst prevPrintEl = useRef<HTMLDivElement | null>(null)\n\tconst prevStyleEl = useRef<HTMLStyleElement | null>(null)\n\n\treturn useCallback(\n\t\tasync function printSelectionOrPages() {\n\t\t\tconst el = document.createElement('div')\n\t\t\tconst style = document.createElement('style')\n\n\t\t\tconst clearElements = (printEl: HTMLDivElement | null, styleEl: HTMLStyleElement | null) => {\n\t\t\t\tif (printEl) printEl.innerHTML = ''\n\t\t\t\tif (styleEl && document.head.contains(styleEl)) document.head.removeChild(styleEl)\n\t\t\t\tif (printEl && document.body.contains(printEl)) {\n\t\t\t\t\tdocument.body.removeChild(printEl)\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Always make sure we have a clean root element.\n\t\t\tclearElements(prevPrintEl.current, prevStyleEl.current)\n\t\t\tprevPrintEl.current = el\n\t\t\tprevStyleEl.current = style\n\n\t\t\t// Random because this isn't for end users\n\t\t\tconst className = `tl-print-surface-${uniqueId()}`\n\n\t\t\tel.className = className\n\t\t\t// NOTE: Works in most envs except safari, needs further review\n\t\t\tconst enableMargins = false\n\t\t\t// NOTE: Currently buggy needs further investigation\n\t\t\tconst allowAllPages = false\n\t\t\tstyle.innerHTML = `\n\t\t\t.${className} {\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\t.${className} svg {\n\t\t\t\tmax-width: 100%;\n\t\t\t\theight: 100%;\n\t\t\t\tdisplay: block;\n\t\t\t}\n\n\t\t\t@media print {\t\t\t\t  \n\t\t\t\thtml, body {\n\t\t\t\t\tmin-height: 100%;\n\t\t\t\t\theight: 100%;\n\t\t\t\t\tmargin: 0;\n\t\t\t\t}\n\n\t\t\t\tbody {\n\t\t\t\t\tposition: relative;\n\t\t\t\t}\n\n\t\t\t\tbody > * {\n\t\t\t\t\tdisplay: none;\n\t\t\t\t}\n\n\t\t\t\t.${className} {\n\t\t\t\t\tdisplay: block !important;\n\t\t\t\t\tbackground: white;\n\t\t\t\t\tmin-height: 100%;\n\t\t\t\t\theight: 100%;\n\t\t\t\t\tmax-width: 100%;\n\t\t\t\t}\n\n\t\t\t\t.${className}__item {\n\t\t\t\t\tpadding: 10mm;\n\t\t\t\t\tdisplay: flex;\n\t\t\t\t\tmin-height: 100%;\n\t\t\t\t\tflex-direction: column;\n\t\t\t\t\tpage-break-after: always;\n\t\t\t\t\tposition: relative;\n\t\t\t\t\toverflow: hidden;\n\t\t\t\t\theight: 100%;\n\t\t\t\t}\n\n\t\t\t\t.${className}__item__main {\n\t\t\t\t\tflex: 1;\n\t\t\t\t\tdisplay: flex;\n\t\t\t\t\talign-items: center;\n\t\t\t\t\tjustify-content: center;\n\t\t\t\t\tmax-height: 100%;\n\t\t\t\t}\n\n\t\t\t\t.${className}__item__header {\n\t\t\t\t\tdisplay: none;\n\t\t\t\t}\n\n\t\t\t\t.${className}__item__footer {\n\t\t\t\t\tdisplay: none;\n\t\t\t\t\ttext-align: right;\n\t\t\t\t}\n\n\t\t\t\t.${className}__item__footer__hide {\n\t\t\t\t\tdisplay: none;\n\t\t\t\t}\n\n\t\t\t\t${\n\t\t\t\t\t!enableMargins\n\t\t\t\t\t\t? ''\n\t\t\t\t\t\t: `\n\t\t\t\t\t/**\n\t\t\t\t\t * Note: Safari doesn't support removing the page margins to remove them all!\n\t\t\t\t\t */\n\t\t\t\t\t@page {\n\t\t\t\t\t\tmargin:0;\n\t\t\t\t\t}\n\n\t\t\t\t\t.${className} .${className}__item__header {\n\t\t\t\t\t\tdisplay: block;\n\t\t\t\t\t}\n\n\t\t\t\t\t.${className} .${className}__item__footer {\n\t\t\t\t\t\tdisplay: block;\n\t\t\t\t\t}\n\t\t\t\t`\n\t\t\t\t}\n\t\t\t}\n\n\t\t`\n\n\t\t\tconst beforePrintHandler = () => {\n\t\t\t\tdocument.head.appendChild(style)\n\t\t\t\tdocument.body.appendChild(el)\n\t\t\t}\n\n\t\t\tconst afterPrintHandler = () => {\n\t\t\t\teditor.once('change-history', () => {\n\t\t\t\t\tclearElements(el, style)\n\t\t\t\t})\n\t\t\t}\n\n\t\t\twindow.addEventListener('beforeprint', beforePrintHandler)\n\t\t\twindow.addEventListener('afterprint', afterPrintHandler)\n\n\t\t\tfunction addPageToPrint(title: string, footer: string | null, svg: SVGElement) {\n\t\t\t\ttry {\n\t\t\t\t\tel.innerHTML += `<div class=\"${className}__item\">\n        <div class=\"${className}__item__header\">\n          ${title.replace(/</g, '&lt;').replace(/>/g, '&gt;')}\n        </div>\n        <div class=\"${className}__item__main\">\n          ${svg.outerHTML}\n        </div>\n        <div class=\"${className}__item__footer ${className}__item__footer__${footer ? '' : 'hide'}\">\n          ${footer ?? ''}\n        </div>\n      </div>`\n\t\t\t\t} catch (e) {\n\t\t\t\t\tconsole.error(e)\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfunction triggerPrint() {\n\t\t\t\tif (editor.environment.isChromeForIos) {\n\t\t\t\t\tbeforePrintHandler()\n\t\t\t\t\twindow.print()\n\t\t\t\t} else if (editor.environment.isSafari) {\n\t\t\t\t\tbeforePrintHandler()\n\t\t\t\t\tdocument.execCommand('print', false)\n\t\t\t\t} else {\n\t\t\t\t\twindow.print()\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst { pages, currentPageId, selectedShapeIds } = editor\n\n\t\t\tconst preserveAspectRatio = 'xMidYMid meet'\n\n\t\t\tconst svgOpts = {\n\t\t\t\tscale: 1,\n\t\t\t\tbackground: false,\n\t\t\t\tdarkMode: false,\n\t\t\t\tpreserveAspectRatio,\n\t\t\t}\n\n\t\t\tif (editor.selectedShapeIds.length > 0) {\n\t\t\t\t// Print the selected ids from the current page\n\t\t\t\tconst svg = await editor.getSvg(selectedShapeIds, svgOpts)\n\n\t\t\t\tif (svg) {\n\t\t\t\t\tconst page = pages.find((p) => p.id === currentPageId)\n\t\t\t\t\taddPageToPrint(`tldraw \u2014 ${page?.name}`, null, svg)\n\t\t\t\t\ttriggerPrint()\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (allowAllPages) {\n\t\t\t\t\t// Print all pages\n\t\t\t\t\tfor (let i = 0; i < pages.length; i++) {\n\t\t\t\t\t\tconst page = pages[i]\n\t\t\t\t\t\tconst svg = await editor.getSvg(editor.getSortedChildIdsForParent(page.id), svgOpts)\n\t\t\t\t\t\tif (svg) {\n\t\t\t\t\t\t\taddPageToPrint(`tldraw \u2014 ${page.name}`, `${i}/${pages.length}`, svg)\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\ttriggerPrint()\n\t\t\t\t} else {\n\t\t\t\t\tconst page = editor.currentPage\n\t\t\t\t\tconst svg = await editor.getSvg(editor.getSortedChildIdsForParent(page.id), svgOpts)\n\t\t\t\t\tif (svg) {\n\t\t\t\t\t\taddPageToPrint(`tldraw \u2014 ${page.name}`, null, svg)\n\t\t\t\t\t\ttriggerPrint()\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\twindow.removeEventListener('beforeprint', beforePrintHandler)\n\t\t\twindow.removeEventListener('afterprint', afterPrintHandler)\n\t\t},\n\t\t[editor]\n\t)\n}\n"],
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