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File: editor/codemirror/src/util/dom.js

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  Classes of Cedric Maenetja   Custom PHP HTML Parser   editor/codemirror/src/util/dom.js   Download  
File: editor/codemirror/src/util/dom.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Custom PHP HTML Parser
Process HTML to replace it with parameter values
Author: By
Last change:
Date: 1 year ago
Size: 3,427 bytes
 

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import { ie, ios } from "./browser.js" export function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } export let rmClass = function(node, cls) { let current = node.className let match = classTest(cls).exec(current) if (match) { let after = current.slice(match.index + match[0].length) node.className = current.slice(0, match.index) + (after ? match[1] + after : "") } } export function removeChildren(e) { for (let count = e.childNodes.length; count > 0; --count) e.removeChild(e.firstChild) return e } export function removeChildrenAndAdd(parent, e) { return removeChildren(parent).appendChild(e) } export function elt(tag, content, className, style) { let e = document.createElement(tag) if (className) e.className = className if (style) e.style.cssText = style if (typeof content == "string") e.appendChild(document.createTextNode(content)) else if (content) for (let i = 0; i < content.length; ++i) e.appendChild(content[i]) return e } // wrapper for elt, which removes the elt from the accessibility tree export function eltP(tag, content, className, style) { let e = elt(tag, content, className, style) e.setAttribute("role", "presentation") return e } export let range if (document.createRange) range = function(node, start, end, endNode) { let r = document.createRange() r.setEnd(endNode || node, end) r.setStart(node, start) return r } else range = function(node, start, end) { let r = document.body.createTextRange() try { r.moveToElementText(node.parentNode) } catch(e) { return r } r.collapse(true) r.moveEnd("character", end) r.moveStart("character", start) return r } export function contains(parent, child) { if (child.nodeType == 3) // Android browser always returns false when child is a textnode child = child.parentNode if (parent.contains) return parent.contains(child) do { if (child.nodeType == 11) child = child.host if (child == parent) return true } while (child = child.parentNode) } export function activeElt(doc) { // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. // IE < 10 will throw when accessed while the page is loading or in an iframe. // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. let activeElement try { activeElement = doc.activeElement } catch(e) { activeElement = doc.body || null } while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) activeElement = activeElement.shadowRoot.activeElement return activeElement } export function addClass(node, cls) { let current = node.className if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls } export function joinClasses(a, b) { let as = a.split(" ") for (let i = 0; i < as.length; i++) if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i] return b } export let selectInput = function(node) { node.select() } if (ios) // Mobile Safari apparently has a bug where select() is broken. selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length } else if (ie) // Suppress mysterious IE10 errors selectInput = function(node) { try { node.select() } catch(_e) {} } export function doc(cm) { return cm.display.wrapper.ownerDocument } export function win(cm) { return doc(cm).defaultView }