dify

dify/web/utils/clipboard.ts

@@ -0,0 +1,35 @@
+export async function writeTextToClipboard(text: string): Promise<void> {
+  if (navigator.clipboard && navigator.clipboard.writeText)
+    return navigator.clipboard.writeText(text)
+
+  return fallbackCopyTextToClipboard(text)
+}
+
+async function fallbackCopyTextToClipboard(text: string): Promise<void> {
+  const textArea = document.createElement('textarea')
+  textArea.value = text
+  textArea.style.position = 'fixed' // Avoid scrolling to bottom
+  document.body.appendChild(textArea)
+  textArea.focus()
+  textArea.select()
+  try {
+    const successful = document.execCommand('copy')
+    if (successful)
+      return Promise.resolve()
+
+    return Promise.reject(new Error('document.execCommand failed'))
+  }
+  catch (err) {
+    return Promise.reject(convertAnyToError(err))
+  }
+  finally {
+    document.body.removeChild(textArea)
+  }
+}
+
+function convertAnyToError(err: any): Error {
+  if (err instanceof Error)
+    return err
+
+  return new Error(`Caught: ${String(err)}`)
+}