54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
/**
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* This file contains scripts needed for syntax highlight to work.
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*/
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function highlightSyntax(elementId) {
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const element = document.getElementById(elementId);
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element.innerHTML = hljs.highlightAuto(element.innerText).value
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}
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/**
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* Converts pasted data to plain text
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*
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* @function
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* @name configurePastingInElement
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* @kind function
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* @param {any} elementId
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* @returns {void}
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*/
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function configurePastingInElement(elementId) {
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const editorEle = document.getElementById(elementId);
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// Handle the `paste` event
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editorEle.addEventListener('paste', function (e) {
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// Prevent the default action
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e.preventDefault();
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// Get the copied text from the clipboard
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const text = e.clipboardData
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? (e.originalEvent || e).clipboardData.getData('text/plain')
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: // For IE
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window.clipboardData
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? window.clipboardData.getData('Text')
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: '';
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if (document.queryCommandSupported('insertText')) {
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document.execCommand('insertText', false, text);
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} else {
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// Insert text at the current position of caret
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const range = document.getSelection().getRangeAt(0);
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range.deleteContents();
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const textNode = document.createTextNode(text);
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range.insertNode(textNode);
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range.selectNodeContents(textNode);
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range.collapse(false);
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const selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange(range);
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}
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highlightSyntax(editorEle.id);
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});
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} |