feat: 支持粘贴SVG代码为图片

src/hooks/usePasteTextClipboardData.ts

@@ -1,5 +1,6 @@
 import { pasteCustomClipboardString } from '@/utils/clipboard'
 import { parseText2Paragraphs } from '@/utils/textParser'
+import { getImageDataURL, isSVGString, svg2File } from '@/utils/image'
 import useCreateElement from '@/hooks/useCreateElement'
 import useAddSlidesOrElements from '@/hooks/useAddSlidesOrElements'
 
@@ -9,7 +10,7 @@ interface PasteTextClipboardDataOptions {
 }
 
 export default () => {
-  const { createTextElement } = useCreateElement()
+  const { createTextElement, createImageElement } = useCreateElement()
   const { addElementsFromData, addSlidesFromData } = useAddSlidesOrElements()
 
   /**
@@ -46,8 +47,17 @@ export default () => {
 
     // 普通文本
     else if (!onlyElements && !onlySlide) {
-      const string = parseText2Paragraphs(clipboardData)
-      createTextElementFromClipboard(string)
+      // 尝试检查是否为SVG代码
+      const isSVG = isSVGString(clipboardData)
+      if (isSVG) {
+        const file = svg2File(clipboardData)
+        getImageDataURL(file).then(dataURL => createImageElement(dataURL))
+      }
+      // 普通文字
+      else {
+        const string = parseText2Paragraphs(clipboardData)
+        createTextElementFromClipboard(string)
+      }
     }
   }
 

src/utils/image.ts

@@ -45,4 +45,31 @@ export const getImageDataURL = (file: File): Promise<string> => {
     })
     reader.readAsDataURL(file)
   })
+}
+
+/**
+ * 判断是否为SVG代码字符串
+ * @param text 待验证文本
+ */
+export const isSVGString = (text: string): boolean => {
+  const svgRegex = /<svg[\s\S]*?>[\s\S]*?<\/svg>/i
+  if (!svgRegex.test(text)) return false
+
+  try {
+    const parser = new DOMParser()
+    const doc = parser.parseFromString(text, 'image/svg+xml')
+    return doc.documentElement.nodeName === 'svg'
+  } 
+  catch {
+    return false
+  }
+}
+
+/**
+ * SVG代码转文件
+ * @param svg SVG代码
+ */
+export const svg2File = (svg: string): File => {
+  const blob = new Blob([svg], { type: 'image/svg+xml' })
+  return new File([blob], `${Date.now()}.svg`, { type: 'image/svg+xml' })
 }