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Improve Microsoft Excel Compatibility #16338

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17 changes: 16 additions & 1 deletion app/src/protyle/util/compatibility.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,21 @@ export const encodeBase64 = (text: string): string => {
};

export const getTextSiyuanFromTextHTML = (html: string) => {
const trimmedHtml = html.trimStart();
if (trimmedHtml.startsWith("<html")) {
const htmlTagEnd = trimmedHtml.indexOf(">");
if (htmlTagEnd > 0) {
const htmlTag = trimmedHtml.substring(0, htmlTagEnd);
// 兼容 Microsoft Excel 应用，HTML 以包含 Excel 命名空间声明的 html 元素开头（备注：从 WPS 复制也有这个命名空间）
if (htmlTag.includes('xmlns:x="urn:schemas-microsoft-com:office:excel"')) {
// 粘贴表格不需要解析 textSiyuan https://ld246.com/article/1763027417781/comment/1763032527460#comments
return {
textSiyuan: "",
textHtml: html.replace(/<!--data-siyuan='[^']+'-->/g, "")
};
}
}
}
const siyuanMatch = html.match(/<!--data-siyuan='([^']+)'-->/);
let textSiyuan = "";
let textHtml = html;
Expand All @@ -38,7 +53,7 @@ export const getTextSiyuanFromTextHTML = (html: string) => {
textSiyuan = decoder.decode(bytes);
}
// 移除注释节点，保持原有的 text/html 内容
textHtml = html.replace(/<!--data-siyuan='[^']+'-->/, "");
textHtml = html.replace(/<!--data-siyuan='[^']+'-->/g, "");
} catch (e) {
console.log("Failed to decode siyuan data from HTML comment:", e);
}
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