| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import { isSafari } from './common'; |
| |
| // Use the new Clipboard API if the browser supports it |
| const copyTextWithClipboardApi = async (getText: () => Promise<string>) => { |
| // Safari (WebKit) does not support delayed generation of clipboard. |
| // This means that writing to the clipboard, from the moment the user |
| // interacts with the app, must be instantaneous. |
| // However, neither writeText nor write accepts a Promise, so |
| // we need to create a ClipboardItem that accepts said Promise to |
| // delay the text generation, as needed. |
| // Source: https://bugs.webkit.org/show_bug.cgi?id=222262P |
| if (isSafari()) { |
| try { |
| const clipboardItem = new ClipboardItem({ |
| 'text/plain': getText(), |
| }); |
| await navigator.clipboard.write([clipboardItem]); |
| } catch { |
| // Fallback to default clipboard API implementation |
| const text = await getText(); |
| await navigator.clipboard.writeText(text); |
| } |
| } else { |
| // For Blink, the above method won't work, but we can use the |
| // default (intended) API, since the delayed generation of the |
| // clipboard is now supported. |
| // Source: https://bugs.chromium.org/p/chromium/issues/detail?id=1014310 |
| const text = await getText(); |
| await navigator.clipboard.writeText(text); |
| } |
| }; |
| |
| const copyTextToClipboard = (getText: () => Promise<string>) => |
| copyTextWithClipboardApi(getText) |
| // If the Clipboard API is not supported, fallback to the older method. |
| .catch(() => |
| getText().then( |
| text => |
| new Promise<void>((resolve, reject) => { |
| const selection: Selection | null = document.getSelection(); |
| if (selection) { |
| selection.removeAllRanges(); |
| const range = document.createRange(); |
| const span = document.createElement('span'); |
| span.textContent = text; |
| span.style.position = 'fixed'; |
| span.style.top = '0'; |
| span.style.clip = 'rect(0, 0, 0, 0)'; |
| span.style.whiteSpace = 'pre'; |
| |
| document.body.appendChild(span); |
| range.selectNode(span); |
| selection.addRange(range); |
| |
| try { |
| if (!document.execCommand('copy')) { |
| reject(); |
| } |
| } catch (err) { |
| reject(); |
| } |
| |
| document.body.removeChild(span); |
| if (selection.removeRange) { |
| selection.removeRange(range); |
| } else { |
| selection.removeAllRanges(); |
| } |
| } |
| |
| resolve(); |
| }), |
| ), |
| ); |
| |
| export default copyTextToClipboard; |