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* fix: automatic page count for small screens * fix: automatic footer positioning for print * feat: use paged.js for print layout
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| async function initializePagedJS() { | ||
| await Promise.all([ | ||
| import("https://unpkg.com/[email protected]/dist/paged.min.js"), | ||
| new Promise((resolve) => { | ||
| if (document.readyState !== "loading") resolve(); | ||
| document.addEventListener("DOMContentLoaded", () => resolve()); | ||
| }), | ||
| ]); | ||
|
|
||
| // Workaround for using custom properties with @page rules. For background on why this is an | ||
| // issue, see: https://stackoverflow.com/a/44738574 | ||
| const referencePage = document.createElement("div"); | ||
| referencePage.style.height = "var(--page-height)"; | ||
| referencePage.style.width = "var(--page-width)"; | ||
| referencePage.style.margin = "var(--page-margin)"; | ||
| referencePage.style.position = "absolute"; | ||
| referencePage.style.top = "-9999px"; | ||
| document.body.appendChild(referencePage); | ||
| const referencePageStyles = window.getComputedStyle(referencePage); | ||
| const style = document.createElement("style"); | ||
| style.innerHTML = `@page { | ||
| ${Object.entries({ | ||
| size: `${referencePageStyles.width} ${referencePageStyles.height}`, | ||
| margin: referencePageStyles.margin, | ||
| }).reduce((acc, [key, value]) => `${acc}${key}: ${value};\n`, "")} | ||
| }`; | ||
| document.head.appendChild(style); | ||
| document.body.removeChild(referencePage); | ||
|
|
||
| const previewer = new PagedModule.Previewer(); | ||
| await previewer.preview(); | ||
| } | ||
|
|
||
| function showPrintPage() { | ||
| const url = new URL(window.location.href); | ||
| url.searchParams.set("print", "true"); | ||
| history.pushState({}, "", url); | ||
| initializePagedJS(); | ||
| } | ||
|
|
||
| if (new URL(window.location.href).searchParams.has("print")) { | ||
| initializePagedJS(); | ||
| } else { | ||
| window.onbeforeprint = showPrintPage; | ||
| } | ||
|
|
||
| window.onafterprint = () => { | ||
| const url = new URL(window.location.href); | ||
| url.searchParams.delete("print"); | ||
| window.location.href = url.href; | ||
| }; |
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