60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
export default function copyTextToClipboard(text, {target = document.body} = {}) {
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if (typeof text !== 'string') {
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throw new TypeError(`Expected parameter \`text\` to be a \`string\`, got \`${typeof text}\`.`);
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}
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const element = document.createElement('textarea');
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const previouslyFocusedElement = document.activeElement;
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element.value = text;
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// Prevent keyboard from showing on mobile
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element.setAttribute('readonly', '');
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// Reset all inherited styles to prevent CSS interference
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element.style.all = 'unset';
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// Apply minimal required styles
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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.width = '2em';
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element.style.height = '2em';
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element.style.padding = '0';
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element.style.border = 'none';
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element.style.outline = 'none';
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element.style.boxShadow = 'none';
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element.style.background = 'transparent';
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element.style.fontSize = '12pt'; // Prevent zooming on iOS
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element.style.whiteSpace = 'pre'; // Preserve whitespace (tabs, spaces, newlines)
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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 = text.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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