67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
/**
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* v-copyText 复制文本内容
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* Copyright (c) 2022 ruoyi
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*/
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export default {
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beforeMount(el, { value, arg }) {
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if (arg === "callback") {
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el.$copyCallback = value;
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} else {
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el.$copyValue = value;
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const handler = () => {
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copyTextToClipboard(el.$copyValue);
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if (el.$copyCallback) {
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el.$copyCallback(el.$copyValue);
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}
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};
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el.addEventListener("click", handler);
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el.$destroyCopy = () => el.removeEventListener("click", handler);
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}
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},
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};
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function copyTextToClipboard(input, { target = document.body } = {}) {
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const element = document.createElement("textarea");
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const previouslyFocusedElement = document.activeElement;
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element.value = input;
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// Prevent keyboard from showing on mobile
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element.setAttribute("readonly", "");
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element.style.contain = "strict";
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element.style.position = "absolute";
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element.style.left = "-9999px";
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element.style.fontSize = "12pt"; // Prevent zooming on iOS
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const selection = document.getSelection();
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const originalRange = selection.rangeCount > 0 && selection.getRangeAt(0);
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target.append(element);
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element.select();
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// Explicit selection workaround for iOS
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element.selectionStart = 0;
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element.selectionEnd = input.length;
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let isSuccess = false;
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try {
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isSuccess = document.execCommand("copy");
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} catch {}
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element.remove();
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if (originalRange) {
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selection.removeAllRanges();
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selection.addRange(originalRange);
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}
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// Get the focus back on the previously focused element, if any
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if (previouslyFocusedElement) {
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previouslyFocusedElement.focus();
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}
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return isSuccess;
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}
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