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Fix print2 pageSize: honour template CSS @page size when no explicit pageSize is passed #90

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Fix print2 pageSize: honour template CSS @page size when no explicit pageSize is passed #90

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Copilot May 19, 2026
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Fix print2 pageSize parameter by honoring CSS @page size when pageSiz…
Copilot May 19, 2026
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3 changes: 3 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -457,6 +457,9 @@ if (globalThis.connect) {
header: data.header, // 打印头
footer: data.footer, // 打印尾
pageSize: data.pageSize, // 打印纸张 // A0, A1, A2, A3, A4, A5, A6, Legal, Letter, Tabloid
// 未指定 pageSize 时，默认使用模板 CSS 中的 @page { size } 来确定纸张大小
// 指定 pageSize 时，CSS @page { size } 将被忽略，以 pageSize 为准
preferCSSPageSize: data.pageSize == null,
}
// 其中纸张大小参数 pageSize 如果传自定义大小, 需要乘以 1000
{ height: 80 * 1000, width: 60 * 1000 }
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3 changes: 3 additions & 0 deletions src/print.js
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Expand Up @@ -353,6 +353,9 @@ function initPrintEvent() {
header: data.header, // 打印头
footer: data.footer, // 打印尾
pageSize: data.pageSize, // 打印纸张
// 未指定 pageSize 时优先使用模板 CSS 中的 @page { size } 来确定纸张大小
// When pageSize is not specified, prefer the template's CSS @page size
preferCSSPageSize: data.preferCSSPageSize ?? (data.pageSize == null),
},
(success, failureReason) => {
if (success) {
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3 changes: 3 additions & 0 deletions src/render.js
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Expand Up @@ -413,6 +413,9 @@ async function printFun(event, data) {
header: data.header, // 打印头
footer: data.footer, // 打印尾
pageSize: data.pageSize, // 打印纸张
// 未指定 pageSize 时优先使用模板 CSS 中的 @page { size } 来确定纸张大小
// When pageSize is not specified, prefer the template's CSS @page size
preferCSSPageSize: data.preferCSSPageSize ?? (data.pageSize == null),
},
(success, failureReason) => {
if (socket) {
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