1848 lines
62 KiB
JavaScript
1848 lines
62 KiB
JavaScript
function _extends() {
|
||
return _extends = Object.assign ? Object.assign.bind() : function (n) {
|
||
for (var e = 1; e < arguments.length; e++) {
|
||
var t = arguments[e];
|
||
for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
|
||
}
|
||
return n;
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||
}, _extends.apply(null, arguments);
|
||
}
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||
|
||
/**
|
||
* A NodeIterator with iframes support and a method to check if an element is
|
||
* matching a specified selector
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||
* @example
|
||
* const iterator = new DOMIterator(
|
||
* document.querySelector("#context"), true
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||
* );
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||
* iterator.forEachNode(NodeFilter.SHOW_TEXT, node => {
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||
* console.log(node);
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||
* }, node => {
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||
* if(DOMIterator.matches(node.parentNode, ".ignore")){
|
||
* return NodeFilter.FILTER_REJECT;
|
||
* } else {
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||
* return NodeFilter.FILTER_ACCEPT;
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||
* }
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||
* }, () => {
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||
* console.log("DONE");
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||
* });
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* @todo Outsource into separate repository
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||
*/
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||
class DOMIterator {
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||
/**
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||
* @param {HTMLElement|HTMLElement[]|NodeList|string} ctx - The context DOM
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||
* element, an array of DOM elements, a NodeList or a selector
|
||
* @param {boolean} [iframes=true] - A boolean indicating if iframes should
|
||
* be handled
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||
* @param {string[]} [exclude=[]] - An array containing exclusion selectors
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||
* for iframes
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||
* @param {number} [iframesTimeout=5000] - A number indicating the ms to
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* wait before an iframe should be skipped, in case the load event isn't
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||
* fired. This also applies if the user is offline and the resource of the
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||
* iframe is online (either by the browsers "offline" mode or because
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* there's no internet connection)
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*/
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constructor(ctx, iframes = true, exclude = [], iframesTimeout = 5000) {
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||
/**
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||
* The context of the instance. Either a DOM element, an array of DOM
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||
* elements, a NodeList or a selector
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||
* @type {HTMLElement|HTMLElement[]|NodeList|string}
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||
* @access protected
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*/
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||
this.ctx = ctx;
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||
/**
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* Boolean indicating if iframe support is enabled
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* @type {boolean}
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||
* @access protected
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*/
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this.iframes = iframes;
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||
/**
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* An array containing exclusion selectors for iframes
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* @type {string[]}
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*/
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this.exclude = exclude;
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/**
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* The maximum ms to wait for a load event before skipping an iframe
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* @type {number}
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*/
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this.iframesTimeout = iframesTimeout;
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||
}
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/**
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* Checks if the specified DOM element matches the selector
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* @param {HTMLElement} element - The DOM element
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* @param {string|string[]} selector - The selector or an array with
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* selectors
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* @return {boolean}
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* @access public
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*/
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static matches(element, selector) {
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const selectors = typeof selector === 'string' ? [selector] : selector,
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fn = element.matches || element.matchesSelector || element.msMatchesSelector || element.mozMatchesSelector || element.oMatchesSelector || element.webkitMatchesSelector;
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if (fn) {
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let match = false;
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selectors.every(sel => {
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if (fn.call(element, sel)) {
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match = true;
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return false;
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||
}
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||
return true;
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});
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||
return match;
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||
} else {
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||
// may be false e.g. when el is a textNode
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||
return false;
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||
}
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}
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/**
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||
* Returns all contexts filtered by duplicates (even nested)
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* @return {HTMLElement[]} - An array containing DOM contexts
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||
* @access protected
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||
*/
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||
getContexts() {
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let ctx,
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||
filteredCtx = [];
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if (typeof this.ctx === 'undefined' || !this.ctx) {
|
||
// e.g. null
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||
ctx = [];
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||
} else if (NodeList.prototype.isPrototypeOf(this.ctx)) {
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||
ctx = Array.prototype.slice.call(this.ctx);
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||
} else if (Array.isArray(this.ctx)) {
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||
ctx = this.ctx;
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||
} else if (typeof this.ctx === 'string') {
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||
ctx = Array.prototype.slice.call(document.querySelectorAll(this.ctx));
|
||
} else {
|
||
// e.g. HTMLElement or element inside iframe
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ctx = [this.ctx];
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||
}
|
||
// filter duplicate text nodes
|
||
ctx.forEach(ctx => {
|
||
const isDescendant = filteredCtx.filter(contexts => {
|
||
return contexts.contains(ctx);
|
||
}).length > 0;
|
||
if (filteredCtx.indexOf(ctx) === -1 && !isDescendant) {
|
||
filteredCtx.push(ctx);
|
||
}
|
||
});
|
||
return filteredCtx;
|
||
}
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||
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||
/**
|
||
* @callback DOMIterator~getIframeContentsSuccessCallback
|
||
* @param {HTMLDocument} contents - The contentDocument of the iframe
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*/
|
||
/**
|
||
* Calls the success callback function with the iframe document. If it can't
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* be accessed it calls the error callback function
|
||
* @param {HTMLElement} ifr - The iframe DOM element
|
||
* @param {DOMIterator~getIframeContentsSuccessCallback} successFn
|
||
* @param {function} [errorFn]
|
||
* @access protected
|
||
*/
|
||
getIframeContents(ifr, successFn, errorFn = () => {}) {
|
||
let doc;
|
||
try {
|
||
const ifrWin = ifr.contentWindow;
|
||
doc = ifrWin.document;
|
||
if (!ifrWin || !doc) {
|
||
// no permission = null. Undefined in Phantom
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throw new Error('iframe inaccessible');
|
||
}
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||
} catch (e) {
|
||
errorFn();
|
||
}
|
||
if (doc) {
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||
successFn(doc);
|
||
}
|
||
}
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||
|
||
/**
|
||
* Checks if an iframe is empty (if about:blank is the shown page)
|
||
* @param {HTMLElement} ifr - The iframe DOM element
|
||
* @return {boolean}
|
||
* @access protected
|
||
*/
|
||
isIframeBlank(ifr) {
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||
const bl = 'about:blank',
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||
src = ifr.getAttribute('src').trim(),
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href = ifr.contentWindow.location.href;
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return href === bl && src !== bl && src;
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||
}
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||
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||
/**
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||
* Observes the onload event of an iframe and calls the success callback or
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* the error callback if the iframe is inaccessible. If the event isn't
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||
* fired within the specified {@link DOMIterator#iframesTimeout}, then it'll
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* call the error callback too
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||
* @param {HTMLElement} ifr - The iframe DOM element
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* @param {DOMIterator~getIframeContentsSuccessCallback} successFn
|
||
* @param {function} errorFn
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* @access protected
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*/
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observeIframeLoad(ifr, successFn, errorFn) {
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let called = false,
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tout = null;
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const listener = () => {
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if (called) {
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||
return;
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||
}
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called = true;
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clearTimeout(tout);
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try {
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if (!this.isIframeBlank(ifr)) {
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ifr.removeEventListener('load', listener);
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this.getIframeContents(ifr, successFn, errorFn);
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||
}
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||
} catch (e) {
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||
// isIframeBlank maybe throws throws an error
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||
errorFn();
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||
}
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};
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ifr.addEventListener('load', listener);
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tout = setTimeout(listener, this.iframesTimeout);
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}
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/**
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||
* Callback when the iframe is ready
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* @callback DOMIterator~onIframeReadySuccessCallback
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* @param {HTMLDocument} contents - The contentDocument of the iframe
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*/
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/**
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* Callback if the iframe can't be accessed
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* @callback DOMIterator~onIframeReadyErrorCallback
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*/
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/**
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||
* Calls the callback if the specified iframe is ready for DOM access
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||
* @param {HTMLElement} ifr - The iframe DOM element
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* @param {DOMIterator~onIframeReadySuccessCallback} successFn - Success
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* callback
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||
* @param {DOMIterator~onIframeReadyErrorCallback} errorFn - Error callback
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||
* @see {@link http://stackoverflow.com/a/36155560/3894981} for
|
||
* background information
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||
* @access protected
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*/
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onIframeReady(ifr, successFn, errorFn) {
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try {
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if (ifr.contentWindow.document.readyState === 'complete') {
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if (this.isIframeBlank(ifr)) {
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||
this.observeIframeLoad(ifr, successFn, errorFn);
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||
} else {
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this.getIframeContents(ifr, successFn, errorFn);
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||
}
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} else {
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this.observeIframeLoad(ifr, successFn, errorFn);
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||
}
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||
} catch (e) {
|
||
// accessing document failed
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||
errorFn();
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}
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}
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||
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||
/**
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* Callback when all iframes are ready for DOM access
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||
* @callback DOMIterator~waitForIframesDoneCallback
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||
*/
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||
/**
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||
* Iterates over all iframes and calls the done callback when all of them
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||
* are ready for DOM access (including nested ones)
|
||
* @param {HTMLElement} ctx - The context DOM element
|
||
* @param {DOMIterator~waitForIframesDoneCallback} done - Done callback
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*/
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||
waitForIframes(ctx, done) {
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||
let eachCalled = 0;
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||
this.forEachIframe(ctx, () => true, ifr => {
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eachCalled++;
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||
this.waitForIframes(ifr.querySelector('html'), () => {
|
||
if (! --eachCalled) {
|
||
done();
|
||
}
|
||
});
|
||
}, handled => {
|
||
if (!handled) {
|
||
done();
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Callback allowing to filter an iframe. Must return true when the element
|
||
* should remain, otherwise false
|
||
* @callback DOMIterator~forEachIframeFilterCallback
|
||
* @param {HTMLElement} iframe - The iframe DOM element
|
||
*/
|
||
/**
|
||
* Callback for each iframe content
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||
* @callback DOMIterator~forEachIframeEachCallback
|
||
* @param {HTMLElement} content - The iframe document
|
||
*/
|
||
/**
|
||
* Callback if all iframes inside the context were handled
|
||
* @callback DOMIterator~forEachIframeEndCallback
|
||
* @param {number} handled - The number of handled iframes (those who
|
||
* wheren't filtered)
|
||
*/
|
||
/**
|
||
* Iterates over all iframes inside the specified context and calls the
|
||
* callbacks when they're ready. Filters iframes based on the instance
|
||
* exclusion selectors
|
||
* @param {HTMLElement} ctx - The context DOM element
|
||
* @param {DOMIterator~forEachIframeFilterCallback} filter - Filter callback
|
||
* @param {DOMIterator~forEachIframeEachCallback} each - Each callback
|
||
* @param {DOMIterator~forEachIframeEndCallback} [end] - End callback
|
||
* @access protected
|
||
*/
|
||
forEachIframe(ctx, filter, each, end = () => {}) {
|
||
let ifr = ctx.querySelectorAll('iframe'),
|
||
open = ifr.length,
|
||
handled = 0;
|
||
ifr = Array.prototype.slice.call(ifr);
|
||
const checkEnd = () => {
|
||
if (--open <= 0) {
|
||
end(handled);
|
||
}
|
||
};
|
||
if (!open) {
|
||
checkEnd();
|
||
}
|
||
ifr.forEach(ifr => {
|
||
if (DOMIterator.matches(ifr, this.exclude)) {
|
||
checkEnd();
|
||
} else {
|
||
this.onIframeReady(ifr, con => {
|
||
if (filter(ifr)) {
|
||
handled++;
|
||
each(con);
|
||
}
|
||
checkEnd();
|
||
}, checkEnd);
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Creates a NodeIterator on the specified context
|
||
* @see {@link https://developer.mozilla.org/en/docs/Web/API/NodeIterator}
|
||
* @param {HTMLElement} ctx - The context DOM element
|
||
* @param {DOMIterator~whatToShow} whatToShow
|
||
* @param {DOMIterator~filterCb} filter
|
||
* @return {NodeIterator}
|
||
* @access protected
|
||
*/
|
||
createIterator(ctx, whatToShow, filter) {
|
||
return document.createNodeIterator(ctx, whatToShow, filter, false);
|
||
}
|
||
|
||
/**
|
||
* Creates an instance of DOMIterator in an iframe
|
||
* @param {HTMLDocument} contents - Iframe document
|
||
* @return {DOMIterator}
|
||
* @access protected
|
||
*/
|
||
createInstanceOnIframe(contents) {
|
||
return new DOMIterator(contents.querySelector('html'), this.iframes);
|
||
}
|
||
|
||
/**
|
||
* Checks if an iframe occurs between two nodes, more specifically if an
|
||
* iframe occurs before the specified node and after the specified prevNode
|
||
* @param {HTMLElement} node - The node that should occur after the iframe
|
||
* @param {HTMLElement} prevNode - The node that should occur before the
|
||
* iframe
|
||
* @param {HTMLElement} ifr - The iframe to check against
|
||
* @return {boolean}
|
||
* @access protected
|
||
*/
|
||
compareNodeIframe(node, prevNode, ifr) {
|
||
const compCurr = node.compareDocumentPosition(ifr),
|
||
prev = Node.DOCUMENT_POSITION_PRECEDING;
|
||
if (compCurr & prev) {
|
||
if (prevNode !== null) {
|
||
const compPrev = prevNode.compareDocumentPosition(ifr),
|
||
after = Node.DOCUMENT_POSITION_FOLLOWING;
|
||
if (compPrev & after) {
|
||
return true;
|
||
}
|
||
} else {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* @typedef {DOMIterator~getIteratorNodeReturn}
|
||
* @type {object.<string>}
|
||
* @property {HTMLElement} prevNode - The previous node or null if there is
|
||
* no
|
||
* @property {HTMLElement} node - The current node
|
||
*/
|
||
/**
|
||
* Returns the previous and current node of the specified iterator
|
||
* @param {NodeIterator} itr - The iterator
|
||
* @return {DOMIterator~getIteratorNodeReturn}
|
||
* @access protected
|
||
*/
|
||
getIteratorNode(itr) {
|
||
const prevNode = itr.previousNode();
|
||
let node;
|
||
if (prevNode === null) {
|
||
node = itr.nextNode();
|
||
} else {
|
||
node = itr.nextNode() && itr.nextNode();
|
||
}
|
||
return {
|
||
prevNode,
|
||
node
|
||
};
|
||
}
|
||
|
||
/**
|
||
* An array containing objects. The object key "val" contains an iframe
|
||
* DOM element. The object key "handled" contains a boolean indicating if
|
||
* the iframe was handled already.
|
||
* It wouldn't be enough to save all open or all already handled iframes.
|
||
* The information of open iframes is necessary because they may occur after
|
||
* all other text nodes (and compareNodeIframe would never be true). The
|
||
* information of already handled iframes is necessary as otherwise they may
|
||
* be handled multiple times
|
||
* @typedef DOMIterator~checkIframeFilterIfr
|
||
* @type {object[]}
|
||
*/
|
||
/**
|
||
* Checks if an iframe wasn't handled already and if so, calls
|
||
* {@link DOMIterator#compareNodeIframe} to check if it should be handled.
|
||
* Information wheter an iframe was or wasn't handled is given within the
|
||
* <code>ifr</code> dictionary
|
||
* @param {HTMLElement} node - The node that should occur after the iframe
|
||
* @param {HTMLElement} prevNode - The node that should occur before the
|
||
* iframe
|
||
* @param {HTMLElement} currIfr - The iframe to check
|
||
* @param {DOMIterator~checkIframeFilterIfr} ifr - The iframe dictionary.
|
||
* Will be manipulated (by reference)
|
||
* @return {boolean} Returns true when it should be handled, otherwise false
|
||
* @access protected
|
||
*/
|
||
checkIframeFilter(node, prevNode, currIfr, ifr) {
|
||
let key = false,
|
||
// false === doesn't exist
|
||
handled = false;
|
||
ifr.forEach((ifrDict, i) => {
|
||
if (ifrDict.val === currIfr) {
|
||
key = i;
|
||
handled = ifrDict.handled;
|
||
}
|
||
});
|
||
if (this.compareNodeIframe(node, prevNode, currIfr)) {
|
||
if (key === false && !handled) {
|
||
ifr.push({
|
||
val: currIfr,
|
||
handled: true
|
||
});
|
||
} else if (key !== false && !handled) {
|
||
ifr[key].handled = true;
|
||
}
|
||
return true;
|
||
}
|
||
if (key === false) {
|
||
ifr.push({
|
||
val: currIfr,
|
||
handled: false
|
||
});
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* Creates an iterator on all open iframes in the specified array and calls
|
||
* the end callback when finished
|
||
* @param {DOMIterator~checkIframeFilterIfr} ifr
|
||
* @param {DOMIterator~whatToShow} whatToShow
|
||
* @param {DOMIterator~forEachNodeCallback} eCb - Each callback
|
||
* @param {DOMIterator~filterCb} fCb
|
||
* @access protected
|
||
*/
|
||
handleOpenIframes(ifr, whatToShow, eCb, fCb) {
|
||
ifr.forEach(ifrDict => {
|
||
if (!ifrDict.handled) {
|
||
this.getIframeContents(ifrDict.val, con => {
|
||
this.createInstanceOnIframe(con).forEachNode(whatToShow, eCb, fCb);
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Iterates through all nodes in the specified context and handles iframe
|
||
* nodes at the correct position
|
||
* @param {DOMIterator~whatToShow} whatToShow
|
||
* @param {HTMLElement} ctx - The context
|
||
* @param {DOMIterator~forEachNodeCallback} eachCb - Each callback
|
||
* @param {DOMIterator~filterCb} filterCb - Filter callback
|
||
* @param {DOMIterator~forEachNodeEndCallback} doneCb - End callback
|
||
* @access protected
|
||
*/
|
||
iterateThroughNodes(whatToShow, ctx, eachCb, filterCb, doneCb) {
|
||
const itr = this.createIterator(ctx, whatToShow, filterCb);
|
||
let ifr = [],
|
||
elements = [],
|
||
node,
|
||
prevNode,
|
||
retrieveNodes = () => {
|
||
({
|
||
prevNode,
|
||
node
|
||
} = this.getIteratorNode(itr));
|
||
return node;
|
||
};
|
||
while (retrieveNodes()) {
|
||
if (this.iframes) {
|
||
this.forEachIframe(ctx, currIfr => {
|
||
// note that ifr will be manipulated here
|
||
return this.checkIframeFilter(node, prevNode, currIfr, ifr);
|
||
}, con => {
|
||
this.createInstanceOnIframe(con).forEachNode(whatToShow, ifrNode => elements.push(ifrNode), filterCb);
|
||
});
|
||
}
|
||
// it's faster to call the each callback in an array loop
|
||
// than in this while loop
|
||
elements.push(node);
|
||
}
|
||
elements.forEach(node => {
|
||
eachCb(node);
|
||
});
|
||
if (this.iframes) {
|
||
this.handleOpenIframes(ifr, whatToShow, eachCb, filterCb);
|
||
}
|
||
doneCb();
|
||
}
|
||
|
||
/**
|
||
* Callback for each node
|
||
* @callback DOMIterator~forEachNodeCallback
|
||
* @param {HTMLElement} node - The DOM text node element
|
||
*/
|
||
/**
|
||
* Callback if all contexts were handled
|
||
* @callback DOMIterator~forEachNodeEndCallback
|
||
*/
|
||
/**
|
||
* Iterates over all contexts and initializes
|
||
* {@link DOMIterator#iterateThroughNodes iterateThroughNodes} on them
|
||
* @param {DOMIterator~whatToShow} whatToShow
|
||
* @param {DOMIterator~forEachNodeCallback} each - Each callback
|
||
* @param {DOMIterator~filterCb} filter - Filter callback
|
||
* @param {DOMIterator~forEachNodeEndCallback} done - End callback
|
||
* @access public
|
||
*/
|
||
forEachNode(whatToShow, each, filter, done = () => {}) {
|
||
const contexts = this.getContexts();
|
||
let open = contexts.length;
|
||
if (!open) {
|
||
done();
|
||
}
|
||
contexts.forEach(ctx => {
|
||
const ready = () => {
|
||
this.iterateThroughNodes(whatToShow, ctx, each, filter, () => {
|
||
if (--open <= 0) {
|
||
// call end all contexts were handled
|
||
done();
|
||
}
|
||
});
|
||
};
|
||
// wait for iframes to avoid recursive calls, otherwise this would
|
||
// perhaps reach the recursive function call limit with many nodes
|
||
if (this.iframes) {
|
||
this.waitForIframes(ctx, ready);
|
||
} else {
|
||
ready();
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Callback to filter nodes. Can return e.g. NodeFilter.FILTER_ACCEPT or
|
||
* NodeFilter.FILTER_REJECT
|
||
* @see {@link http://tinyurl.com/zdczmm2}
|
||
* @callback DOMIterator~filterCb
|
||
* @param {HTMLElement} node - The node to filter
|
||
*/
|
||
/**
|
||
* @typedef DOMIterator~whatToShow
|
||
* @see {@link http://tinyurl.com/zfqqkx2}
|
||
* @type {number}
|
||
*/
|
||
}
|
||
|
||
/**
|
||
* Marks search terms in DOM elements
|
||
* @example
|
||
* new Mark(document.querySelector(".context")).mark("lorem ipsum");
|
||
* @example
|
||
* new Mark(document.querySelector(".context")).markRegExp(/lorem/gmi);
|
||
*/
|
||
class Mark$1 {
|
||
// eslint-disable-line no-unused-vars
|
||
|
||
/**
|
||
* @param {HTMLElement|HTMLElement[]|NodeList|string} ctx - The context DOM
|
||
* element, an array of DOM elements, a NodeList or a selector
|
||
*/
|
||
constructor(ctx) {
|
||
/**
|
||
* The context of the instance. Either a DOM element, an array of DOM
|
||
* elements, a NodeList or a selector
|
||
* @type {HTMLElement|HTMLElement[]|NodeList|string}
|
||
* @access protected
|
||
*/
|
||
this.ctx = ctx;
|
||
/**
|
||
* Specifies if the current browser is a IE (necessary for the node
|
||
* normalization bug workaround). See {@link Mark#unwrapMatches}
|
||
* @type {boolean}
|
||
* @access protected
|
||
*/
|
||
this.ie = false;
|
||
const ua = window.navigator.userAgent;
|
||
if (ua.indexOf('MSIE') > -1 || ua.indexOf('Trident') > -1) {
|
||
this.ie = true;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Options defined by the user. They will be initialized from one of the
|
||
* public methods. See {@link Mark#mark}, {@link Mark#markRegExp},
|
||
* {@link Mark#markRanges} and {@link Mark#unmark} for option properties.
|
||
* @type {object}
|
||
* @param {object} [val] - An object that will be merged with defaults
|
||
* @access protected
|
||
*/
|
||
set opt(val) {
|
||
this._opt = Object.assign({}, {
|
||
'element': '',
|
||
'className': '',
|
||
'exclude': [],
|
||
'iframes': false,
|
||
'iframesTimeout': 5000,
|
||
'separateWordSearch': true,
|
||
'diacritics': true,
|
||
'synonyms': {},
|
||
'accuracy': 'partially',
|
||
'acrossElements': false,
|
||
'caseSensitive': false,
|
||
'ignoreJoiners': false,
|
||
'ignoreGroups': 0,
|
||
'ignorePunctuation': [],
|
||
'wildcards': 'disabled',
|
||
'each': () => {},
|
||
'noMatch': () => {},
|
||
'filter': () => true,
|
||
'done': () => {},
|
||
'debug': false,
|
||
'log': window.console
|
||
}, val);
|
||
}
|
||
get opt() {
|
||
return this._opt;
|
||
}
|
||
|
||
/**
|
||
* An instance of DOMIterator
|
||
* @type {DOMIterator}
|
||
* @access protected
|
||
*/
|
||
get iterator() {
|
||
// always return new instance in case there were option changes
|
||
return new DOMIterator(this.ctx, this.opt.iframes, this.opt.exclude, this.opt.iframesTimeout);
|
||
}
|
||
|
||
/**
|
||
* Logs a message if log is enabled
|
||
* @param {string} msg - The message to log
|
||
* @param {string} [level="debug"] - The log level, e.g. <code>warn</code>
|
||
* <code>error</code>, <code>debug</code>
|
||
* @access protected
|
||
*/
|
||
log(msg, level = 'debug') {
|
||
const log = this.opt.log;
|
||
if (!this.opt.debug) {
|
||
return;
|
||
}
|
||
if (typeof log === 'object' && typeof log[level] === 'function') {
|
||
log[level](`mark.js: ${msg}`);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Escapes a string for usage within a regular expression
|
||
* @param {string} str - The string to escape
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
escapeStr(str) {
|
||
// eslint-disable-next-line no-useless-escape
|
||
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string to match the specified search
|
||
* term including synonyms, diacritics and accuracy if defined
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createRegExp(str) {
|
||
if (this.opt.wildcards !== 'disabled') {
|
||
str = this.setupWildcardsRegExp(str);
|
||
}
|
||
str = this.escapeStr(str);
|
||
if (Object.keys(this.opt.synonyms).length) {
|
||
str = this.createSynonymsRegExp(str);
|
||
}
|
||
if (this.opt.ignoreJoiners || this.opt.ignorePunctuation.length) {
|
||
str = this.setupIgnoreJoinersRegExp(str);
|
||
}
|
||
if (this.opt.diacritics) {
|
||
str = this.createDiacriticsRegExp(str);
|
||
}
|
||
str = this.createMergedBlanksRegExp(str);
|
||
if (this.opt.ignoreJoiners || this.opt.ignorePunctuation.length) {
|
||
str = this.createJoinersRegExp(str);
|
||
}
|
||
if (this.opt.wildcards !== 'disabled') {
|
||
str = this.createWildcardsRegExp(str);
|
||
}
|
||
str = this.createAccuracyRegExp(str);
|
||
return str;
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string to match the defined synonyms
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createSynonymsRegExp(str) {
|
||
const syn = this.opt.synonyms,
|
||
sens = this.opt.caseSensitive ? '' : 'i',
|
||
// add replacement character placeholder before and after the
|
||
// synonym group
|
||
joinerPlaceholder = this.opt.ignoreJoiners || this.opt.ignorePunctuation.length ? '\u0000' : '';
|
||
for (let index in syn) {
|
||
if (syn.hasOwnProperty(index)) {
|
||
const value = syn[index],
|
||
k1 = this.opt.wildcards !== 'disabled' ? this.setupWildcardsRegExp(index) : this.escapeStr(index),
|
||
k2 = this.opt.wildcards !== 'disabled' ? this.setupWildcardsRegExp(value) : this.escapeStr(value);
|
||
if (k1 !== '' && k2 !== '') {
|
||
str = str.replace(new RegExp(`(${this.escapeStr(k1)}|${this.escapeStr(k2)})`, `gm${sens}`), joinerPlaceholder + `(${this.processSynomyms(k1)}|` + `${this.processSynomyms(k2)})` + joinerPlaceholder);
|
||
}
|
||
}
|
||
}
|
||
return str;
|
||
}
|
||
|
||
/**
|
||
* Setup synonyms to work with ignoreJoiners and or ignorePunctuation
|
||
* @param {string} str - synonym key or value to process
|
||
* @return {string} - processed synonym string
|
||
*/
|
||
processSynomyms(str) {
|
||
if (this.opt.ignoreJoiners || this.opt.ignorePunctuation.length) {
|
||
str = this.setupIgnoreJoinersRegExp(str);
|
||
}
|
||
return str;
|
||
}
|
||
|
||
/**
|
||
* Sets up the regular expression string to allow later insertion of
|
||
* wildcard regular expression matches
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
setupWildcardsRegExp(str) {
|
||
// replace single character wildcard with unicode 0001
|
||
str = str.replace(/(?:\\)*\?/g, val => {
|
||
return val.charAt(0) === '\\' ? '?' : '\u0001';
|
||
});
|
||
// replace multiple character wildcard with unicode 0002
|
||
return str.replace(/(?:\\)*\*/g, val => {
|
||
return val.charAt(0) === '\\' ? '*' : '\u0002';
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Sets up the regular expression string to allow later insertion of
|
||
* wildcard regular expression matches
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createWildcardsRegExp(str) {
|
||
// default to "enable" (i.e. to not include spaces)
|
||
// "withSpaces" uses `[\\S\\s]` instead of `.` because the latter
|
||
// does not match new line characters
|
||
let spaces = this.opt.wildcards === 'withSpaces';
|
||
return str
|
||
// replace unicode 0001 with a RegExp class to match any single
|
||
// character, or any single non-whitespace character depending
|
||
// on the setting
|
||
.replace(/\u0001/g, spaces ? '[\\S\\s]?' : '\\S?')
|
||
// replace unicode 0002 with a RegExp class to match zero or
|
||
// more characters, or zero or more non-whitespace characters
|
||
// depending on the setting
|
||
.replace(/\u0002/g, spaces ? '[\\S\\s]*?' : '\\S*');
|
||
}
|
||
|
||
/**
|
||
* Sets up the regular expression string to allow later insertion of
|
||
* designated characters (soft hyphens & zero width characters)
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
setupIgnoreJoinersRegExp(str) {
|
||
// adding a "null" unicode character as it will not be modified by the
|
||
// other "create" regular expression functions
|
||
return str.replace(/[^(|)\\]/g, (val, indx, original) => {
|
||
// don't add a null after an opening "(", around a "|" or before
|
||
// a closing "(", or between an escapement (e.g. \+)
|
||
let nextChar = original.charAt(indx + 1);
|
||
if (/[(|)\\]/.test(nextChar) || nextChar === '') {
|
||
return val;
|
||
} else {
|
||
return val + '\u0000';
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string to allow ignoring of designated
|
||
* characters (soft hyphens, zero width characters & punctuation) based on
|
||
* the specified option values of <code>ignorePunctuation</code> and
|
||
* <code>ignoreJoiners</code>
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createJoinersRegExp(str) {
|
||
let joiner = [];
|
||
const ignorePunctuation = this.opt.ignorePunctuation;
|
||
if (Array.isArray(ignorePunctuation) && ignorePunctuation.length) {
|
||
joiner.push(this.escapeStr(ignorePunctuation.join('')));
|
||
}
|
||
if (this.opt.ignoreJoiners) {
|
||
// u+00ad = soft hyphen
|
||
// u+200b = zero-width space
|
||
// u+200c = zero-width non-joiner
|
||
// u+200d = zero-width joiner
|
||
joiner.push('\\u00ad\\u200b\\u200c\\u200d');
|
||
}
|
||
return joiner.length ? str.split(/\u0000+/).join(`[${joiner.join('')}]*`) : str;
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string to match diacritics
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createDiacriticsRegExp(str) {
|
||
const sens = this.opt.caseSensitive ? '' : 'i',
|
||
dct = this.opt.caseSensitive ? ['aàáảãạăằắẳẵặâầấẩẫậäåāą', 'AÀÁẢÃẠĂẰẮẲẴẶÂẦẤẨẪẬÄÅĀĄ', 'cçćč', 'CÇĆČ', 'dđď', 'DĐĎ', 'eèéẻẽẹêềếểễệëěēę', 'EÈÉẺẼẸÊỀẾỂỄỆËĚĒĘ', 'iìíỉĩịîïī', 'IÌÍỈĨỊÎÏĪ', 'lł', 'LŁ', 'nñňń', 'NÑŇŃ', 'oòóỏõọôồốổỗộơởỡớờợöøō', 'OÒÓỎÕỌÔỒỐỔỖỘƠỞỠỚỜỢÖØŌ', 'rř', 'RŘ', 'sšśșş', 'SŠŚȘŞ', 'tťțţ', 'TŤȚŢ', 'uùúủũụưừứửữựûüůū', 'UÙÚỦŨỤƯỪỨỬỮỰÛÜŮŪ', 'yýỳỷỹỵÿ', 'YÝỲỶỸỴŸ', 'zžżź', 'ZŽŻŹ'] : ['aàáảãạăằắẳẵặâầấẩẫậäåāąAÀÁẢÃẠĂẰẮẲẴẶÂẦẤẨẪẬÄÅĀĄ', 'cçćčCÇĆČ', 'dđďDĐĎ', 'eèéẻẽẹêềếểễệëěēęEÈÉẺẼẸÊỀẾỂỄỆËĚĒĘ', 'iìíỉĩịîïīIÌÍỈĨỊÎÏĪ', 'lłLŁ', 'nñňńNÑŇŃ', 'oòóỏõọôồốổỗộơởỡớờợöøōOÒÓỎÕỌÔỒỐỔỖỘƠỞỠỚỜỢÖØŌ', 'rřRŘ', 'sšśșşSŠŚȘŞ', 'tťțţTŤȚŢ', 'uùúủũụưừứửữựûüůūUÙÚỦŨỤƯỪỨỬỮỰÛÜŮŪ', 'yýỳỷỹỵÿYÝỲỶỸỴŸ', 'zžżźZŽŻŹ'];
|
||
let handled = [];
|
||
str.split('').forEach(ch => {
|
||
dct.every(dct => {
|
||
// Check if the character is inside a diacritics list
|
||
if (dct.indexOf(ch) !== -1) {
|
||
// Check if the related diacritics list was not
|
||
// handled yet
|
||
if (handled.indexOf(dct) > -1) {
|
||
return false;
|
||
}
|
||
// Make sure that the character OR any other
|
||
// character in the diacritics list will be matched
|
||
str = str.replace(new RegExp(`[${dct}]`, `gm${sens}`), `[${dct}]`);
|
||
handled.push(dct);
|
||
}
|
||
return true;
|
||
});
|
||
});
|
||
return str;
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string that merges whitespace characters
|
||
* including subsequent ones into a single pattern, one or multiple
|
||
* whitespaces
|
||
* @param {string} str - The search term to be used
|
||
* @return {string}
|
||
* @access protected
|
||
*/
|
||
createMergedBlanksRegExp(str) {
|
||
return str.replace(/[\s]+/gmi, '[\\s]+');
|
||
}
|
||
|
||
/**
|
||
* Creates a regular expression string to match the specified string with
|
||
* the defined accuracy. As in the regular expression of "exactly" can be
|
||
* a group containing a blank at the beginning, all regular expressions will
|
||
* be created with two groups. The first group can be ignored (may contain
|
||
* the said blank), the second contains the actual match
|
||
* @param {string} str - The searm term to be used
|
||
* @return {str}
|
||
* @access protected
|
||
*/
|
||
createAccuracyRegExp(str) {
|
||
const chars = '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~¡¿';
|
||
let acc = this.opt.accuracy,
|
||
val = typeof acc === 'string' ? acc : acc.value,
|
||
ls = typeof acc === 'string' ? [] : acc.limiters,
|
||
lsJoin = '';
|
||
ls.forEach(limiter => {
|
||
lsJoin += `|${this.escapeStr(limiter)}`;
|
||
});
|
||
switch (val) {
|
||
case 'partially':
|
||
default:
|
||
return `()(${str})`;
|
||
case 'complementary':
|
||
lsJoin = '\\s' + (lsJoin ? lsJoin : this.escapeStr(chars));
|
||
return `()([^${lsJoin}]*${str}[^${lsJoin}]*)`;
|
||
case 'exactly':
|
||
return `(^|\\s${lsJoin})(${str})(?=$|\\s${lsJoin})`;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @typedef Mark~separatedKeywords
|
||
* @type {object.<string>}
|
||
* @property {array.<string>} keywords - The list of keywords
|
||
* @property {number} length - The length
|
||
*/
|
||
/**
|
||
* Returns a list of keywords dependent on whether separate word search
|
||
* was defined. Also it filters empty keywords
|
||
* @param {array} sv - The array of keywords
|
||
* @return {Mark~separatedKeywords}
|
||
* @access protected
|
||
*/
|
||
getSeparatedKeywords(sv) {
|
||
let stack = [];
|
||
sv.forEach(kw => {
|
||
if (!this.opt.separateWordSearch) {
|
||
if (kw.trim() && stack.indexOf(kw) === -1) {
|
||
stack.push(kw);
|
||
}
|
||
} else {
|
||
kw.split(' ').forEach(kwSplitted => {
|
||
if (kwSplitted.trim() && stack.indexOf(kwSplitted) === -1) {
|
||
stack.push(kwSplitted);
|
||
}
|
||
});
|
||
}
|
||
});
|
||
return {
|
||
// sort because of https://git.io/v6USg
|
||
'keywords': stack.sort((a, b) => {
|
||
return b.length - a.length;
|
||
}),
|
||
'length': stack.length
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Check if a value is a number
|
||
* @param {number|string} value - the value to check;
|
||
* numeric strings allowed
|
||
* @return {boolean}
|
||
* @access protected
|
||
*/
|
||
isNumeric(value) {
|
||
// http://stackoverflow.com/a/16655847/145346
|
||
// eslint-disable-next-line eqeqeq
|
||
return Number(parseFloat(value)) == value;
|
||
}
|
||
|
||
/**
|
||
* @typedef Mark~rangeObject
|
||
* @type {object}
|
||
* @property {number} start - The start position within the composite value
|
||
* @property {number} length - The length of the string to mark within the
|
||
* composite value.
|
||
*/
|
||
/**
|
||
* @typedef Mark~setOfRanges
|
||
* @type {object[]}
|
||
* @property {Mark~rangeObject}
|
||
*/
|
||
/**
|
||
* Returns a processed list of integer offset indexes that do not overlap
|
||
* each other, and remove any string values or additional elements
|
||
* @param {Mark~setOfRanges} array - unprocessed raw array
|
||
* @return {Mark~setOfRanges} - processed array with any invalid entries
|
||
* removed
|
||
* @throws Will throw an error if an array of objects is not passed
|
||
* @access protected
|
||
*/
|
||
checkRanges(array) {
|
||
// start and length indexes are included in an array of objects
|
||
// [{start: 0, length: 1}, {start: 4, length: 5}]
|
||
// quick validity check of the first entry only
|
||
if (!Array.isArray(array) || Object.prototype.toString.call(array[0]) !== '[object Object]') {
|
||
this.log('markRanges() will only accept an array of objects');
|
||
this.opt.noMatch(array);
|
||
return [];
|
||
}
|
||
const stack = [];
|
||
let last = 0;
|
||
array
|
||
// acending sort to ensure there is no overlap in start & end
|
||
// offsets
|
||
.sort((a, b) => {
|
||
return a.start - b.start;
|
||
}).forEach(item => {
|
||
let {
|
||
start,
|
||
end,
|
||
valid
|
||
} = this.callNoMatchOnInvalidRanges(item, last);
|
||
if (valid) {
|
||
// preserve item in case there are extra key:values within
|
||
item.start = start;
|
||
item.length = end - start;
|
||
stack.push(item);
|
||
last = end;
|
||
}
|
||
});
|
||
return stack;
|
||
}
|
||
|
||
/**
|
||
* @typedef Mark~validObject
|
||
* @type {object}
|
||
* @property {number} start - The start position within the composite value
|
||
* @property {number} end - The calculated end position within the composite
|
||
* value.
|
||
* @property {boolean} valid - boolean value indicating that the start and
|
||
* calculated end range is valid
|
||
*/
|
||
/**
|
||
* Initial validation of ranges for markRanges. Preliminary checks are done
|
||
* to ensure the start and length values exist and are not zero or non-
|
||
* numeric
|
||
* @param {Mark~rangeObject} range - the current range object
|
||
* @param {number} last - last index of range
|
||
* @return {Mark~validObject}
|
||
* @access protected
|
||
*/
|
||
callNoMatchOnInvalidRanges(range, last) {
|
||
let start,
|
||
end,
|
||
valid = false;
|
||
if (range && typeof range.start !== 'undefined') {
|
||
start = parseInt(range.start, 10);
|
||
end = start + parseInt(range.length, 10);
|
||
// ignore overlapping values & non-numeric entries
|
||
if (this.isNumeric(range.start) && this.isNumeric(range.length) && end - last > 0 && end - start > 0) {
|
||
valid = true;
|
||
} else {
|
||
this.log('Ignoring invalid or overlapping range: ' + `${JSON.stringify(range)}`);
|
||
this.opt.noMatch(range);
|
||
}
|
||
} else {
|
||
this.log(`Ignoring invalid range: ${JSON.stringify(range)}`);
|
||
this.opt.noMatch(range);
|
||
}
|
||
return {
|
||
start: start,
|
||
end: end,
|
||
valid: valid
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Check valid range for markRanges. Check ranges with access to the context
|
||
* string. Range values are double checked, lengths that extend the mark
|
||
* beyond the string length are limitied and ranges containing only
|
||
* whitespace are ignored
|
||
* @param {Mark~rangeObject} range - the current range object
|
||
* @param {number} originalLength - original length of the context string
|
||
* @param {string} string - current content string
|
||
* @return {Mark~validObject}
|
||
* @access protected
|
||
*/
|
||
checkWhitespaceRanges(range, originalLength, string) {
|
||
let end,
|
||
valid = true,
|
||
// the max value changes after the DOM is manipulated
|
||
max = string.length,
|
||
// adjust offset to account for wrapped text node
|
||
offset = originalLength - max,
|
||
start = parseInt(range.start, 10) - offset;
|
||
// make sure to stop at max
|
||
start = start > max ? max : start;
|
||
end = start + parseInt(range.length, 10);
|
||
if (end > max) {
|
||
end = max;
|
||
this.log(`End range automatically set to the max value of ${max}`);
|
||
}
|
||
if (start < 0 || end - start < 0 || start > max || end > max) {
|
||
valid = false;
|
||
this.log(`Invalid range: ${JSON.stringify(range)}`);
|
||
this.opt.noMatch(range);
|
||
} else if (string.substring(start, end).replace(/\s+/g, '') === '') {
|
||
valid = false;
|
||
// whitespace only; even if wrapped it is not visible
|
||
this.log('Skipping whitespace only range: ' + JSON.stringify(range));
|
||
this.opt.noMatch(range);
|
||
}
|
||
return {
|
||
start: start,
|
||
end: end,
|
||
valid: valid
|
||
};
|
||
}
|
||
|
||
/**
|
||
* @typedef Mark~getTextNodesDict
|
||
* @type {object.<string>}
|
||
* @property {string} value - The composite value of all text nodes
|
||
* @property {object[]} nodes - An array of objects
|
||
* @property {number} nodes.start - The start position within the composite
|
||
* value
|
||
* @property {number} nodes.end - The end position within the composite
|
||
* value
|
||
* @property {HTMLElement} nodes.node - The DOM text node element
|
||
*/
|
||
/**
|
||
* Callback
|
||
* @callback Mark~getTextNodesCallback
|
||
* @param {Mark~getTextNodesDict}
|
||
*/
|
||
/**
|
||
* Calls the callback with an object containing all text nodes (including
|
||
* iframe text nodes) with start and end positions and the composite value
|
||
* of them (string)
|
||
* @param {Mark~getTextNodesCallback} cb - Callback
|
||
* @access protected
|
||
*/
|
||
getTextNodes(cb) {
|
||
let val = '',
|
||
nodes = [];
|
||
this.iterator.forEachNode(NodeFilter.SHOW_TEXT, node => {
|
||
nodes.push({
|
||
start: val.length,
|
||
end: (val += node.textContent).length,
|
||
node
|
||
});
|
||
}, node => {
|
||
if (this.matchesExclude(node.parentNode)) {
|
||
return NodeFilter.FILTER_REJECT;
|
||
} else {
|
||
return NodeFilter.FILTER_ACCEPT;
|
||
}
|
||
}, () => {
|
||
cb({
|
||
value: val,
|
||
nodes: nodes
|
||
});
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Checks if an element matches any of the specified exclude selectors. Also
|
||
* it checks for elements in which no marks should be performed (e.g.
|
||
* script and style tags) and optionally already marked elements
|
||
* @param {HTMLElement} el - The element to check
|
||
* @return {boolean}
|
||
* @access protected
|
||
*/
|
||
matchesExclude(el) {
|
||
return DOMIterator.matches(el, this.opt.exclude.concat([
|
||
// ignores the elements itself, not their childrens (selector *)
|
||
'script', 'style', 'title', 'head', 'html']));
|
||
}
|
||
|
||
/**
|
||
* Wraps the instance element and class around matches that fit the start
|
||
* and end positions within the node
|
||
* @param {HTMLElement} node - The DOM text node
|
||
* @param {number} start - The position where to start wrapping
|
||
* @param {number} end - The position where to end wrapping
|
||
* @return {HTMLElement} Returns the splitted text node that will appear
|
||
* after the wrapped text node
|
||
* @access protected
|
||
*/
|
||
wrapRangeInTextNode(node, start, end) {
|
||
const hEl = !this.opt.element ? 'mark' : this.opt.element,
|
||
startNode = node.splitText(start),
|
||
ret = startNode.splitText(end - start);
|
||
let repl = document.createElement(hEl);
|
||
repl.setAttribute('data-markjs', 'true');
|
||
if (this.opt.className) {
|
||
repl.setAttribute('class', this.opt.className);
|
||
}
|
||
repl.textContent = startNode.textContent;
|
||
startNode.parentNode.replaceChild(repl, startNode);
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @typedef Mark~wrapRangeInMappedTextNodeDict
|
||
* @type {object.<string>}
|
||
* @property {string} value - The composite value of all text nodes
|
||
* @property {object[]} nodes - An array of objects
|
||
* @property {number} nodes.start - The start position within the composite
|
||
* value
|
||
* @property {number} nodes.end - The end position within the composite
|
||
* value
|
||
* @property {HTMLElement} nodes.node - The DOM text node element
|
||
*/
|
||
/**
|
||
* Each callback
|
||
* @callback Mark~wrapMatchesEachCallback
|
||
* @param {HTMLElement} node - The wrapped DOM element
|
||
* @param {number} lastIndex - The last matching position within the
|
||
* composite value of text nodes
|
||
*/
|
||
/**
|
||
* Filter callback
|
||
* @callback Mark~wrapMatchesFilterCallback
|
||
* @param {HTMLElement} node - The matching text node DOM element
|
||
*/
|
||
/**
|
||
* Determines matches by start and end positions using the text node
|
||
* dictionary even across text nodes and calls
|
||
* {@link Mark#wrapRangeInTextNode} to wrap them
|
||
* @param {Mark~wrapRangeInMappedTextNodeDict} dict - The dictionary
|
||
* @param {number} start - The start position of the match
|
||
* @param {number} end - The end position of the match
|
||
* @param {Mark~wrapMatchesFilterCallback} filterCb - Filter callback
|
||
* @param {Mark~wrapMatchesEachCallback} eachCb - Each callback
|
||
* @access protected
|
||
*/
|
||
wrapRangeInMappedTextNode(dict, start, end, filterCb, eachCb) {
|
||
// iterate over all text nodes to find the one matching the positions
|
||
dict.nodes.every((n, i) => {
|
||
const sibl = dict.nodes[i + 1];
|
||
if (typeof sibl === 'undefined' || sibl.start > start) {
|
||
if (!filterCb(n.node)) {
|
||
return false;
|
||
}
|
||
// map range from dict.value to text node
|
||
const s = start - n.start,
|
||
e = (end > n.end ? n.end : end) - n.start,
|
||
startStr = dict.value.substr(0, n.start),
|
||
endStr = dict.value.substr(e + n.start);
|
||
n.node = this.wrapRangeInTextNode(n.node, s, e);
|
||
// recalculate positions to also find subsequent matches in the
|
||
// same text node. Necessary as the text node in dict now only
|
||
// contains the splitted part after the wrapped one
|
||
dict.value = startStr + endStr;
|
||
dict.nodes.forEach((k, j) => {
|
||
if (j >= i) {
|
||
if (dict.nodes[j].start > 0 && j !== i) {
|
||
dict.nodes[j].start -= e;
|
||
}
|
||
dict.nodes[j].end -= e;
|
||
}
|
||
});
|
||
end -= e;
|
||
eachCb(n.node.previousSibling, n.start);
|
||
if (end > n.end) {
|
||
start = n.end;
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Filter callback before each wrapping
|
||
* @callback Mark~wrapMatchesFilterCallback
|
||
* @param {string} match - The matching string
|
||
* @param {HTMLElement} node - The text node where the match occurs
|
||
*/
|
||
/**
|
||
* Callback for each wrapped element
|
||
* @callback Mark~wrapMatchesEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
*/
|
||
/**
|
||
* Callback on end
|
||
* @callback Mark~wrapMatchesEndCallback
|
||
*/
|
||
/**
|
||
* Wraps the instance element and class around matches within single HTML
|
||
* elements in all contexts
|
||
* @param {RegExp} regex - The regular expression to be searched for
|
||
* @param {number} ignoreGroups - A number indicating the amount of RegExp
|
||
* matching groups to ignore
|
||
* @param {Mark~wrapMatchesFilterCallback} filterCb
|
||
* @param {Mark~wrapMatchesEachCallback} eachCb
|
||
* @param {Mark~wrapMatchesEndCallback} endCb
|
||
* @access protected
|
||
*/
|
||
wrapMatches(regex, ignoreGroups, filterCb, eachCb, endCb) {
|
||
const matchIdx = ignoreGroups === 0 ? 0 : ignoreGroups + 1;
|
||
this.getTextNodes(dict => {
|
||
dict.nodes.forEach(node => {
|
||
node = node.node;
|
||
let match;
|
||
while ((match = regex.exec(node.textContent)) !== null && match[matchIdx] !== '') {
|
||
if (!filterCb(match[matchIdx], node)) {
|
||
continue;
|
||
}
|
||
let pos = match.index;
|
||
if (matchIdx !== 0) {
|
||
for (let i = 1; i < matchIdx; i++) {
|
||
pos += match[i].length;
|
||
}
|
||
}
|
||
node = this.wrapRangeInTextNode(node, pos, pos + match[matchIdx].length);
|
||
eachCb(node.previousSibling);
|
||
// reset index of last match as the node changed and the
|
||
// index isn't valid anymore http://tinyurl.com/htsudjd
|
||
regex.lastIndex = 0;
|
||
}
|
||
});
|
||
endCb();
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Callback for each wrapped element
|
||
* @callback Mark~wrapMatchesAcrossElementsEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
*/
|
||
/**
|
||
* Filter callback before each wrapping
|
||
* @callback Mark~wrapMatchesAcrossElementsFilterCallback
|
||
* @param {string} match - The matching string
|
||
* @param {HTMLElement} node - The text node where the match occurs
|
||
*/
|
||
/**
|
||
* Callback on end
|
||
* @callback Mark~wrapMatchesAcrossElementsEndCallback
|
||
*/
|
||
/**
|
||
* Wraps the instance element and class around matches across all HTML
|
||
* elements in all contexts
|
||
* @param {RegExp} regex - The regular expression to be searched for
|
||
* @param {number} ignoreGroups - A number indicating the amount of RegExp
|
||
* matching groups to ignore
|
||
* @param {Mark~wrapMatchesAcrossElementsFilterCallback} filterCb
|
||
* @param {Mark~wrapMatchesAcrossElementsEachCallback} eachCb
|
||
* @param {Mark~wrapMatchesAcrossElementsEndCallback} endCb
|
||
* @access protected
|
||
*/
|
||
wrapMatchesAcrossElements(regex, ignoreGroups, filterCb, eachCb, endCb) {
|
||
const matchIdx = ignoreGroups === 0 ? 0 : ignoreGroups + 1;
|
||
this.getTextNodes(dict => {
|
||
let match;
|
||
while ((match = regex.exec(dict.value)) !== null && match[matchIdx] !== '') {
|
||
// calculate range inside dict.value
|
||
let start = match.index;
|
||
if (matchIdx !== 0) {
|
||
for (let i = 1; i < matchIdx; i++) {
|
||
start += match[i].length;
|
||
}
|
||
}
|
||
const end = start + match[matchIdx].length;
|
||
// note that dict will be updated automatically, as it'll change
|
||
// in the wrapping process, due to the fact that text
|
||
// nodes will be splitted
|
||
this.wrapRangeInMappedTextNode(dict, start, end, node => {
|
||
return filterCb(match[matchIdx], node);
|
||
}, (node, lastIndex) => {
|
||
regex.lastIndex = lastIndex;
|
||
eachCb(node);
|
||
});
|
||
}
|
||
endCb();
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Callback for each wrapped element
|
||
* @callback Mark~wrapRangeFromIndexEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
* @param {Mark~rangeObject} range - the current range object; provided
|
||
* start and length values will be numeric integers modified from the
|
||
* provided original ranges.
|
||
*/
|
||
/**
|
||
* Filter callback before each wrapping
|
||
* @callback Mark~wrapRangeFromIndexFilterCallback
|
||
* @param {HTMLElement} node - The text node which includes the range
|
||
* @param {Mark~rangeObject} range - the current range object
|
||
* @param {string} match - string extracted from the matching range
|
||
* @param {number} counter - A counter indicating the number of all marks
|
||
*/
|
||
/**
|
||
* Callback on end
|
||
* @callback Mark~wrapRangeFromIndexEndCallback
|
||
*/
|
||
/**
|
||
* Wraps the indicated ranges across all HTML elements in all contexts
|
||
* @param {Mark~setOfRanges} ranges
|
||
* @param {Mark~wrapRangeFromIndexFilterCallback} filterCb
|
||
* @param {Mark~wrapRangeFromIndexEachCallback} eachCb
|
||
* @param {Mark~wrapRangeFromIndexEndCallback} endCb
|
||
* @access protected
|
||
*/
|
||
wrapRangeFromIndex(ranges, filterCb, eachCb, endCb) {
|
||
this.getTextNodes(dict => {
|
||
const originalLength = dict.value.length;
|
||
ranges.forEach((range, counter) => {
|
||
let {
|
||
start,
|
||
end,
|
||
valid
|
||
} = this.checkWhitespaceRanges(range, originalLength, dict.value);
|
||
if (valid) {
|
||
this.wrapRangeInMappedTextNode(dict, start, end, node => {
|
||
return filterCb(node, range, dict.value.substring(start, end), counter);
|
||
}, node => {
|
||
eachCb(node, range);
|
||
});
|
||
}
|
||
});
|
||
endCb();
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Unwraps the specified DOM node with its content (text nodes or HTML)
|
||
* without destroying possibly present events (using innerHTML) and
|
||
* normalizes the parent at the end (merge splitted text nodes)
|
||
* @param {HTMLElement} node - The DOM node to unwrap
|
||
* @access protected
|
||
*/
|
||
unwrapMatches(node) {
|
||
const parent = node.parentNode;
|
||
let docFrag = document.createDocumentFragment();
|
||
while (node.firstChild) {
|
||
docFrag.appendChild(node.removeChild(node.firstChild));
|
||
}
|
||
parent.replaceChild(docFrag, node);
|
||
if (!this.ie) {
|
||
// use browser's normalize method
|
||
parent.normalize();
|
||
} else {
|
||
// custom method (needs more time)
|
||
this.normalizeTextNode(parent);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Normalizes text nodes. It's a workaround for the native normalize method
|
||
* that has a bug in IE (see attached link). Should only be used in IE
|
||
* browsers as it's slower than the native method.
|
||
* @see {@link http://tinyurl.com/z5asa8c}
|
||
* @param {HTMLElement} node - The DOM node to normalize
|
||
* @access protected
|
||
*/
|
||
normalizeTextNode(node) {
|
||
if (!node) {
|
||
return;
|
||
}
|
||
if (node.nodeType === 3) {
|
||
while (node.nextSibling && node.nextSibling.nodeType === 3) {
|
||
node.nodeValue += node.nextSibling.nodeValue;
|
||
node.parentNode.removeChild(node.nextSibling);
|
||
}
|
||
} else {
|
||
this.normalizeTextNode(node.firstChild);
|
||
}
|
||
this.normalizeTextNode(node.nextSibling);
|
||
}
|
||
|
||
/**
|
||
* Callback when finished
|
||
* @callback Mark~commonDoneCallback
|
||
* @param {number} totalMatches - The number of marked elements
|
||
*/
|
||
/**
|
||
* @typedef Mark~commonOptions
|
||
* @type {object.<string>}
|
||
* @property {string} [element="mark"] - HTML element tag name
|
||
* @property {string} [className] - An optional class name
|
||
* @property {string[]} [exclude] - An array with exclusion selectors.
|
||
* Elements matching those selectors will be ignored
|
||
* @property {boolean} [iframes=false] - Whether to search inside iframes
|
||
* @property {Mark~commonDoneCallback} [done]
|
||
* @property {boolean} [debug=false] - Wheter to log messages
|
||
* @property {object} [log=window.console] - Where to log messages (only if
|
||
* debug is true)
|
||
*/
|
||
/**
|
||
* Callback for each marked element
|
||
* @callback Mark~markRegExpEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
*/
|
||
/**
|
||
* Callback if there were no matches
|
||
* @callback Mark~markRegExpNoMatchCallback
|
||
* @param {RegExp} regexp - The regular expression
|
||
*/
|
||
/**
|
||
* Callback to filter matches
|
||
* @callback Mark~markRegExpFilterCallback
|
||
* @param {HTMLElement} textNode - The text node which includes the match
|
||
* @param {string} match - The matching string for the RegExp
|
||
* @param {number} counter - A counter indicating the number of all marks
|
||
*/
|
||
/**
|
||
* These options also include the common options from
|
||
* {@link Mark~commonOptions}
|
||
* @typedef Mark~markRegExpOptions
|
||
* @type {object.<string>}
|
||
* @property {Mark~markRegExpEachCallback} [each]
|
||
* @property {Mark~markRegExpNoMatchCallback} [noMatch]
|
||
* @property {Mark~markRegExpFilterCallback} [filter]
|
||
*/
|
||
/**
|
||
* Marks a custom regular expression
|
||
* @param {RegExp} regexp - The regular expression
|
||
* @param {Mark~markRegExpOptions} [opt] - Optional options object
|
||
* @access public
|
||
*/
|
||
markRegExp(regexp, opt) {
|
||
this.opt = opt;
|
||
this.log(`Searching with expression "${regexp}"`);
|
||
let totalMatches = 0,
|
||
fn = 'wrapMatches';
|
||
const eachCb = element => {
|
||
totalMatches++;
|
||
this.opt.each(element);
|
||
};
|
||
if (this.opt.acrossElements) {
|
||
fn = 'wrapMatchesAcrossElements';
|
||
}
|
||
this[fn](regexp, this.opt.ignoreGroups, (match, node) => {
|
||
return this.opt.filter(node, match, totalMatches);
|
||
}, eachCb, () => {
|
||
if (totalMatches === 0) {
|
||
this.opt.noMatch(regexp);
|
||
}
|
||
this.opt.done(totalMatches);
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Callback for each marked element
|
||
* @callback Mark~markEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
*/
|
||
/**
|
||
* Callback if there were no matches
|
||
* @callback Mark~markNoMatchCallback
|
||
* @param {RegExp} term - The search term that was not found
|
||
*/
|
||
/**
|
||
* Callback to filter matches
|
||
* @callback Mark~markFilterCallback
|
||
* @param {HTMLElement} textNode - The text node which includes the match
|
||
* @param {string} match - The matching term
|
||
* @param {number} totalCounter - A counter indicating the number of all
|
||
* marks
|
||
* @param {number} termCounter - A counter indicating the number of marks
|
||
* for the specific match
|
||
*/
|
||
/**
|
||
* @typedef Mark~markAccuracyObject
|
||
* @type {object.<string>}
|
||
* @property {string} value - A accuracy string value
|
||
* @property {string[]} limiters - A custom array of limiters. For example
|
||
* <code>["-", ","]</code>
|
||
*/
|
||
/**
|
||
* @typedef Mark~markAccuracySetting
|
||
* @type {string}
|
||
* @property {"partially"|"complementary"|"exactly"|Mark~markAccuracyObject}
|
||
* [accuracy="partially"] - Either one of the following string values:
|
||
* <ul>
|
||
* <li><i>partially</i>: When searching for "lor" only "lor" inside
|
||
* "lorem" will be marked</li>
|
||
* <li><i>complementary</i>: When searching for "lor" the whole word
|
||
* "lorem" will be marked</li>
|
||
* <li><i>exactly</i>: When searching for "lor" only those exact words
|
||
* will be marked. In this example nothing inside "lorem". This value
|
||
* is equivalent to the previous option <i>wordBoundary</i></li>
|
||
* </ul>
|
||
* Or an object containing two properties:
|
||
* <ul>
|
||
* <li><i>value</i>: One of the above named string values</li>
|
||
* <li><i>limiters</i>: A custom array of string limiters for accuracy
|
||
* "exactly" or "complementary"</li>
|
||
* </ul>
|
||
*/
|
||
/**
|
||
* @typedef Mark~markWildcardsSetting
|
||
* @type {string}
|
||
* @property {"disabled"|"enabled"|"withSpaces"}
|
||
* [wildcards="disabled"] - Set to any of the following string values:
|
||
* <ul>
|
||
* <li><i>disabled</i>: Disable wildcard usage</li>
|
||
* <li><i>enabled</i>: When searching for "lor?m", the "?" will match zero
|
||
* or one non-space character (e.g. "lorm", "loram", "lor3m", etc). When
|
||
* searching for "lor*m", the "*" will match zero or more non-space
|
||
* characters (e.g. "lorm", "loram", "lor123m", etc).</li>
|
||
* <li><i>withSpaces</i>: When searching for "lor?m", the "?" will
|
||
* match zero or one space or non-space character (e.g. "lor m", "loram",
|
||
* etc). When searching for "lor*m", the "*" will match zero or more space
|
||
* or non-space characters (e.g. "lorm", "lore et dolor ipsum", "lor: m",
|
||
* etc).</li>
|
||
* </ul>
|
||
*/
|
||
/**
|
||
* @typedef Mark~markIgnorePunctuationSetting
|
||
* @type {string[]}
|
||
* @property {string} The strings in this setting will contain punctuation
|
||
* marks that will be ignored:
|
||
* <ul>
|
||
* <li>These punctuation marks can be between any characters, e.g. setting
|
||
* this option to <code>["'"]</code> would match "Worlds", "World's" and
|
||
* "Wo'rlds"</li>
|
||
* <li>One or more apostrophes between the letters would still produce a
|
||
* match (e.g. "W'o''r'l'd's").</li>
|
||
* <li>A typical setting for this option could be as follows:
|
||
* <pre>ignorePunctuation: ":;.,-–—‒_(){}[]!'\"+=".split(""),</pre> This
|
||
* setting includes common punctuation as well as a minus, en-dash,
|
||
* em-dash and figure-dash
|
||
* ({@link https://en.wikipedia.org/wiki/Dash#Figure_dash ref}), as well
|
||
* as an underscore.</li>
|
||
* </ul>
|
||
*/
|
||
/**
|
||
* These options also include the common options from
|
||
* {@link Mark~commonOptions}
|
||
* @typedef Mark~markOptions
|
||
* @type {object.<string>}
|
||
* @property {boolean} [separateWordSearch=true] - Whether to search for
|
||
* each word separated by a blank instead of the complete term
|
||
* @property {boolean} [diacritics=true] - If diacritic characters should be
|
||
* matched. ({@link https://en.wikipedia.org/wiki/Diacritic Diacritics})
|
||
* @property {object} [synonyms] - An object with synonyms. The key will be
|
||
* a synonym for the value and the value for the key
|
||
* @property {Mark~markAccuracySetting} [accuracy]
|
||
* @property {Mark~markWildcardsSetting} [wildcards]
|
||
* @property {boolean} [acrossElements=false] - Whether to find matches
|
||
* across HTML elements. By default, only matches within single HTML
|
||
* elements will be found
|
||
* @property {boolean} [ignoreJoiners=false] - Whether to ignore word
|
||
* joiners inside of key words. These include soft-hyphens, zero-width
|
||
* space, zero-width non-joiners and zero-width joiners.
|
||
* @property {Mark~markIgnorePunctuationSetting} [ignorePunctuation]
|
||
* @property {Mark~markEachCallback} [each]
|
||
* @property {Mark~markNoMatchCallback} [noMatch]
|
||
* @property {Mark~markFilterCallback} [filter]
|
||
*/
|
||
/**
|
||
* Marks the specified search terms
|
||
* @param {string|string[]} [sv] - Search value, either a search string or
|
||
* an array containing multiple search strings
|
||
* @param {Mark~markOptions} [opt] - Optional options object
|
||
* @access public
|
||
*/
|
||
mark(sv, opt) {
|
||
this.opt = opt;
|
||
let totalMatches = 0,
|
||
fn = 'wrapMatches';
|
||
const {
|
||
keywords: kwArr,
|
||
length: kwArrLen
|
||
} = this.getSeparatedKeywords(typeof sv === 'string' ? [sv] : sv),
|
||
sens = this.opt.caseSensitive ? '' : 'i',
|
||
handler = kw => {
|
||
// async function calls as iframes are async too
|
||
let regex = new RegExp(this.createRegExp(kw), `gm${sens}`),
|
||
matches = 0;
|
||
this.log(`Searching with expression "${regex}"`);
|
||
this[fn](regex, 1, (term, node) => {
|
||
return this.opt.filter(node, kw, totalMatches, matches);
|
||
}, element => {
|
||
matches++;
|
||
totalMatches++;
|
||
this.opt.each(element);
|
||
}, () => {
|
||
if (matches === 0) {
|
||
this.opt.noMatch(kw);
|
||
}
|
||
if (kwArr[kwArrLen - 1] === kw) {
|
||
this.opt.done(totalMatches);
|
||
} else {
|
||
handler(kwArr[kwArr.indexOf(kw) + 1]);
|
||
}
|
||
});
|
||
};
|
||
if (this.opt.acrossElements) {
|
||
fn = 'wrapMatchesAcrossElements';
|
||
}
|
||
if (kwArrLen === 0) {
|
||
this.opt.done(totalMatches);
|
||
} else {
|
||
handler(kwArr[0]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Callback for each marked element
|
||
* @callback Mark~markRangesEachCallback
|
||
* @param {HTMLElement} element - The marked DOM element
|
||
* @param {array} range - array of range start and end points
|
||
*/
|
||
/**
|
||
* Callback if a processed range is invalid, out-of-bounds, overlaps another
|
||
* range, or only matches whitespace
|
||
* @callback Mark~markRangesNoMatchCallback
|
||
* @param {Mark~rangeObject} range - a range object
|
||
*/
|
||
/**
|
||
* Callback to filter matches
|
||
* @callback Mark~markRangesFilterCallback
|
||
* @param {HTMLElement} node - The text node which includes the range
|
||
* @param {array} range - array of range start and end points
|
||
* @param {string} match - string extracted from the matching range
|
||
* @param {number} counter - A counter indicating the number of all marks
|
||
*/
|
||
/**
|
||
* These options also include the common options from
|
||
* {@link Mark~commonOptions}
|
||
* @typedef Mark~markRangesOptions
|
||
* @type {object.<string>}
|
||
* @property {Mark~markRangesEachCallback} [each]
|
||
* @property {Mark~markRangesNoMatchCallback} [noMatch]
|
||
* @property {Mark~markRangesFilterCallback} [filter]
|
||
*/
|
||
/**
|
||
* Marks an array of objects containing a start with an end or length of the
|
||
* string to mark
|
||
* @param {Mark~setOfRanges} rawRanges - The original (preprocessed)
|
||
* array of objects
|
||
* @param {Mark~markRangesOptions} [opt] - Optional options object
|
||
* @access public
|
||
*/
|
||
markRanges(rawRanges, opt) {
|
||
this.opt = opt;
|
||
let totalMatches = 0,
|
||
ranges = this.checkRanges(rawRanges);
|
||
if (ranges && ranges.length) {
|
||
this.log('Starting to mark with the following ranges: ' + JSON.stringify(ranges));
|
||
this.wrapRangeFromIndex(ranges, (node, range, match, counter) => {
|
||
return this.opt.filter(node, range, match, counter);
|
||
}, (element, range) => {
|
||
totalMatches++;
|
||
this.opt.each(element, range);
|
||
}, () => {
|
||
this.opt.done(totalMatches);
|
||
});
|
||
} else {
|
||
this.opt.done(totalMatches);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Removes all marked elements inside the context with their HTML and
|
||
* normalizes the parent at the end
|
||
* @param {Mark~commonOptions} [opt] - Optional options object
|
||
* @access public
|
||
*/
|
||
unmark(opt) {
|
||
this.opt = opt;
|
||
let sel = this.opt.element ? this.opt.element : '*';
|
||
sel += '[data-markjs]';
|
||
if (this.opt.className) {
|
||
sel += `.${this.opt.className}`;
|
||
}
|
||
this.log(`Removal selector "${sel}"`);
|
||
this.iterator.forEachNode(NodeFilter.SHOW_ELEMENT, node => {
|
||
this.unwrapMatches(node);
|
||
}, node => {
|
||
const matchesSel = DOMIterator.matches(node, sel),
|
||
matchesExclude = this.matchesExclude(node);
|
||
if (!matchesSel || matchesExclude) {
|
||
return NodeFilter.FILTER_REJECT;
|
||
} else {
|
||
return NodeFilter.FILTER_ACCEPT;
|
||
}
|
||
}, this.opt.done);
|
||
}
|
||
}
|
||
|
||
function Mark(ctx) {
|
||
const instance = new Mark$1(ctx);
|
||
this.mark = (sv, opt) => {
|
||
instance.mark(sv, opt);
|
||
return this;
|
||
};
|
||
this.markRegExp = (sv, opt) => {
|
||
instance.markRegExp(sv, opt);
|
||
return this;
|
||
};
|
||
this.markRanges = (sv, opt) => {
|
||
instance.markRanges(sv, opt);
|
||
return this;
|
||
};
|
||
this.unmark = opt => {
|
||
instance.unmark(opt);
|
||
return this;
|
||
};
|
||
return this;
|
||
}
|
||
|
||
// mark.js defaults
|
||
const defaultOptions = {
|
||
exclude: [],
|
||
separateWordSearch: true,
|
||
accuracy: 'partially',
|
||
diacritics: true,
|
||
synonyms: {},
|
||
iframes: false,
|
||
iframesTimeout: 5000,
|
||
acrossElements: true,
|
||
caseSensitive: false,
|
||
ignoreJoiners: false,
|
||
wildcards: 'disabled',
|
||
compatibility: false
|
||
};
|
||
if (Joomla.getOptions && typeof Joomla.getOptions === 'function' && Joomla.getOptions('highlight')) {
|
||
const scriptOptions = Joomla.getOptions('highlight');
|
||
scriptOptions.forEach(currentOpts => {
|
||
const options = _extends({}, defaultOptions, currentOpts);
|
||
|
||
// Continue only if the element exists
|
||
if (!options.compatibility) {
|
||
const element = document.querySelector(`.${options.class}`);
|
||
if (element) {
|
||
const instance = new Mark(element);
|
||
|
||
// Loop through the terms
|
||
options.highLight.forEach(term => instance.mark(term, options));
|
||
}
|
||
} else {
|
||
const start = document.querySelector(`#${options.start}`);
|
||
document.querySelector(`#${options.end}`);
|
||
const parent = start.parentNode;
|
||
const targetNodes = [];
|
||
const allElems = Array.from(parent.childNodes);
|
||
|
||
// Remove all elements till start element
|
||
allElems.forEach(element => {
|
||
{
|
||
return;
|
||
}
|
||
});
|
||
targetNodes.forEach(node => {
|
||
const instance = new Mark(node);
|
||
// Loop through the terms
|
||
options.highLight.map(term => instance.mark(term, options));
|
||
});
|
||
}
|
||
});
|
||
}
|