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- //AMD insanity
- (function (root, factory) {
- //@ts-ignore
- if (typeof define === 'function' && define.amd) {
- // AMD. Register as an anonymous module.
- //@ts-ignore
- define([], factory);
- } else {
- // Browser globals
- root.htmx = root.htmx || factory();
- }
- }(typeof self !== 'undefined' ? self : this, function () {
- return (function () {
- 'use strict';
- // Public API
- //** @type {import("./htmx").HtmxApi} */
- // TODO: list all methods in public API
- var htmx = {
- onLoad: onLoadHelper,
- process: processNode,
- on: addEventListenerImpl,
- off: removeEventListenerImpl,
- trigger : triggerEvent,
- ajax : ajaxHelper,
- find : find,
- findAll : findAll,
- closest : closest,
- values : function(elt, type){
- var inputValues = getInputValues(elt, type || "post");
- return inputValues.values;
- },
- remove : removeElement,
- addClass : addClassToElement,
- removeClass : removeClassFromElement,
- toggleClass : toggleClassOnElement,
- takeClass : takeClassForElement,
- defineExtension : defineExtension,
- removeExtension : removeExtension,
- logAll : logAll,
- logger : null,
- config : {
- historyEnabled:true,
- historyCacheSize:10,
- refreshOnHistoryMiss:false,
- defaultSwapStyle:'innerHTML',
- defaultSwapDelay:0,
- defaultSettleDelay:20,
- includeIndicatorStyles:true,
- indicatorClass:'htmx-indicator',
- requestClass:'htmx-request',
- addedClass:'htmx-added',
- settlingClass:'htmx-settling',
- swappingClass:'htmx-swapping',
- allowEval:true,
- inlineScriptNonce:'',
- attributesToSettle:["class", "style", "width", "height"],
- withCredentials:false,
- timeout:0,
- wsReconnectDelay: 'full-jitter',
- disableSelector: "[hx-disable], [data-hx-disable]",
- useTemplateFragments: false,
- scrollBehavior: 'smooth',
- defaultFocusScroll: false,
- },
- parseInterval:parseInterval,
- _:internalEval,
- createEventSource: function(url){
- return new EventSource(url, {withCredentials:true})
- },
- createWebSocket: function(url){
- return new WebSocket(url, []);
- },
- version: "1.8.0"
- };
- /** @type {import("./htmx").HtmxInternalApi} */
- var internalAPI = {
- addTriggerHandler: addTriggerHandler,
- bodyContains: bodyContains,
- canAccessLocalStorage: canAccessLocalStorage,
- filterValues: filterValues,
- hasAttribute: hasAttribute,
- getAttributeValue: getAttributeValue,
- getClosestMatch: getClosestMatch,
- getExpressionVars: getExpressionVars,
- getHeaders: getHeaders,
- getInputValues: getInputValues,
- getInternalData: getInternalData,
- getSwapSpecification: getSwapSpecification,
- getTriggerSpecs: getTriggerSpecs,
- getTarget: getTarget,
- makeFragment: makeFragment,
- mergeObjects: mergeObjects,
- makeSettleInfo: makeSettleInfo,
- oobSwap: oobSwap,
- selectAndSwap: selectAndSwap,
- settleImmediately: settleImmediately,
- shouldCancel: shouldCancel,
- triggerEvent: triggerEvent,
- triggerErrorEvent: triggerErrorEvent,
- withExtensions: withExtensions,
- }
- var VERBS = ['get', 'post', 'put', 'delete', 'patch'];
- var VERB_SELECTOR = VERBS.map(function(verb){
- return "[hx-" + verb + "], [data-hx-" + verb + "]"
- }).join(", ");
- //====================================================================
- // Utilities
- //====================================================================
- function parseInterval(str) {
- if (str == undefined) {
- return undefined
- }
- if (str.slice(-2) == "ms") {
- return parseFloat(str.slice(0,-2)) || undefined
- }
- if (str.slice(-1) == "s") {
- return (parseFloat(str.slice(0,-1)) * 1000) || undefined
- }
- if (str.slice(-1) == "m") {
- return (parseFloat(str.slice(0,-1)) * 1000 * 60) || undefined
- }
- return parseFloat(str) || undefined
- }
- /**
- * @param {HTMLElement} elt
- * @param {string} name
- * @returns {(string | null)}
- */
- function getRawAttribute(elt, name) {
- return elt.getAttribute && elt.getAttribute(name);
- }
- // resolve with both hx and data-hx prefixes
- function hasAttribute(elt, qualifiedName) {
- return elt.hasAttribute && (elt.hasAttribute(qualifiedName) ||
- elt.hasAttribute("data-" + qualifiedName));
- }
- /**
- *
- * @param {HTMLElement} elt
- * @param {string} qualifiedName
- * @returns {(string | null)}
- */
- function getAttributeValue(elt, qualifiedName) {
- return getRawAttribute(elt, qualifiedName) || getRawAttribute(elt, "data-" + qualifiedName);
- }
- /**
- * @param {HTMLElement} elt
- * @returns {HTMLElement | null}
- */
- function parentElt(elt) {
- return elt.parentElement;
- }
- /**
- * @returns {Document}
- */
- function getDocument() {
- return document;
- }
- /**
- * @param {HTMLElement} elt
- * @param {(e:HTMLElement) => boolean} condition
- * @returns {HTMLElement | null}
- */
- function getClosestMatch(elt, condition) {
- while (elt && !condition(elt)) {
- elt = parentElt(elt);
- }
- return elt ? elt : null;
- }
- function getAttributeValueWithDisinheritance(initialElement, ancestor, attributeName){
- var attributeValue = getAttributeValue(ancestor, attributeName);
- var disinherit = getAttributeValue(ancestor, "hx-disinherit");
- if (initialElement !== ancestor && disinherit && (disinherit === "*" || disinherit.split(" ").indexOf(attributeName) >= 0)) {
- return "unset";
- } else {
- return attributeValue
- }
- }
- /**
- * @param {HTMLElement} elt
- * @param {string} attributeName
- * @returns {string | null}
- */
- function getClosestAttributeValue(elt, attributeName) {
- var closestAttr = null;
- getClosestMatch(elt, function (e) {
- return closestAttr = getAttributeValueWithDisinheritance(elt, e, attributeName);
- });
- if (closestAttr !== "unset") {
- return closestAttr;
- }
- }
- /**
- * @param {HTMLElement} elt
- * @param {string} selector
- * @returns {boolean}
- */
- function matches(elt, selector) {
- // @ts-ignore: non-standard properties for browser compatability
- // noinspection JSUnresolvedVariable
- var matchesFunction = elt.matches || elt.matchesSelector || elt.msMatchesSelector || elt.mozMatchesSelector || elt.webkitMatchesSelector || elt.oMatchesSelector;
- return matchesFunction && matchesFunction.call(elt, selector);
- }
- /**
- * @param {string} str
- * @returns {string}
- */
- function getStartTag(str) {
- var tagMatcher = /<([a-z][^\/\0>\x20\t\r\n\f]*)/i
- var match = tagMatcher.exec( str );
- if (match) {
- return match[1].toLowerCase();
- } else {
- return "";
- }
- }
- /**
- *
- * @param {string} resp
- * @param {number} depth
- * @returns {Element}
- */
- function parseHTML(resp, depth) {
- var parser = new DOMParser();
- var responseDoc = parser.parseFromString(resp, "text/html");
- /** @type {Element} */
- var responseNode = responseDoc.body;
- while (depth > 0) {
- depth--;
- // @ts-ignore
- responseNode = responseNode.firstChild;
- }
- if (responseNode == null) {
- // @ts-ignore
- responseNode = getDocument().createDocumentFragment();
- }
- return responseNode;
- }
- /**
- *
- * @param {string} resp
- * @returns {Element}
- */
- function makeFragment(resp) {
- if (htmx.config.useTemplateFragments) {
- var documentFragment = parseHTML("<body><template>" + resp + "</template></body>", 0);
- // @ts-ignore type mismatch between DocumentFragment and Element.
- // TODO: Are these close enough for htmx to use interchangably?
- return documentFragment.querySelector('template').content;
- } else {
- var startTag = getStartTag(resp);
- switch (startTag) {
- case "thead":
- case "tbody":
- case "tfoot":
- case "colgroup":
- case "caption":
- return parseHTML("<table>" + resp + "</table>", 1);
- case "col":
- return parseHTML("<table><colgroup>" + resp + "</colgroup></table>", 2);
- case "tr":
- return parseHTML("<table><tbody>" + resp + "</tbody></table>", 2);
- case "td":
- case "th":
- return parseHTML("<table><tbody><tr>" + resp + "</tr></tbody></table>", 3);
- case "script":
- return parseHTML("<div>" + resp + "</div>", 1);
- default:
- return parseHTML(resp, 0);
- }
- }
- }
- /**
- * @param {Function} func
- */
- function maybeCall(func){
- if(func) {
- func();
- }
- }
- /**
- * @param {any} o
- * @param {string} type
- * @returns
- */
- function isType(o, type) {
- return Object.prototype.toString.call(o) === "[object " + type + "]";
- }
- /**
- * @param {*} o
- * @returns {o is Function}
- */
- function isFunction(o) {
- return isType(o, "Function");
- }
- /**
- * @param {*} o
- * @returns {o is Object}
- */
- function isRawObject(o) {
- return isType(o, "Object");
- }
- /**
- * getInternalData retrieves "private" data stored by htmx within an element
- * @param {HTMLElement} elt
- * @returns {*}
- */
- function getInternalData(elt) {
- var dataProp = 'htmx-internal-data';
- var data = elt[dataProp];
- if (!data) {
- data = elt[dataProp] = {};
- }
- return data;
- }
- /**
- * toArray converts an ArrayLike object into a real array.
- * @param {ArrayLike} arr
- * @returns {any[]}
- */
- function toArray(arr) {
- var returnArr = [];
- if (arr) {
- for (var i = 0; i < arr.length; i++) {
- returnArr.push(arr[i]);
- }
- }
- return returnArr
- }
- function forEach(arr, func) {
- if (arr) {
- for (var i = 0; i < arr.length; i++) {
- func(arr[i]);
- }
- }
- }
- function isScrolledIntoView(el) {
- var rect = el.getBoundingClientRect();
- var elemTop = rect.top;
- var elemBottom = rect.bottom;
- return elemTop < window.innerHeight && elemBottom >= 0;
- }
- function bodyContains(elt) {
- if (elt.getRootNode() instanceof ShadowRoot) {
- return getDocument().body.contains(elt.getRootNode().host);
- } else {
- return getDocument().body.contains(elt);
- }
- }
- function splitOnWhitespace(trigger) {
- return trigger.trim().split(/\s+/);
- }
- /**
- * mergeObjects takes all of the keys from
- * obj2 and duplicates them into obj1
- * @param {Object} obj1
- * @param {Object} obj2
- * @returns {Object}
- */
- function mergeObjects(obj1, obj2) {
- for (var key in obj2) {
- if (obj2.hasOwnProperty(key)) {
- obj1[key] = obj2[key];
- }
- }
- return obj1;
- }
- function parseJSON(jString) {
- try {
- return JSON.parse(jString);
- } catch(error) {
- logError(error);
- return null;
- }
- }
- function canAccessLocalStorage() {
- var test = 'htmx:localStorageTest';
- try {
- localStorage.setItem(test, test);
- localStorage.removeItem(test);
- return true;
- } catch(e) {
- return false;
- }
- }
- //==========================================================================================
- // public API
- //==========================================================================================
- function internalEval(str){
- return maybeEval(getDocument().body, function () {
- return eval(str);
- });
- }
- function onLoadHelper(callback) {
- var value = htmx.on("htmx:load", function(evt) {
- callback(evt.detail.elt);
- });
- return value;
- }
- function logAll(){
- htmx.logger = function(elt, event, data) {
- if(console) {
- console.log(event, elt, data);
- }
- }
- }
- function find(eltOrSelector, selector) {
- if (selector) {
- return eltOrSelector.querySelector(selector);
- } else {
- return find(getDocument(), eltOrSelector);
- }
- }
- function findAll(eltOrSelector, selector) {
- if (selector) {
- return eltOrSelector.querySelectorAll(selector);
- } else {
- return findAll(getDocument(), eltOrSelector);
- }
- }
- function removeElement(elt, delay) {
- elt = resolveTarget(elt);
- if (delay) {
- setTimeout(function(){removeElement(elt);}, delay)
- } else {
- elt.parentElement.removeChild(elt);
- }
- }
- function addClassToElement(elt, clazz, delay) {
- elt = resolveTarget(elt);
- if (delay) {
- setTimeout(function(){addClassToElement(elt, clazz);}, delay)
- } else {
- elt.classList && elt.classList.add(clazz);
- }
- }
- function removeClassFromElement(elt, clazz, delay) {
- elt = resolveTarget(elt);
- if (delay) {
- setTimeout(function(){removeClassFromElement(elt, clazz);}, delay)
- } else {
- if (elt.classList) {
- elt.classList.remove(clazz);
- // if there are no classes left, remove the class attribute
- if (elt.classList.length === 0) {
- elt.removeAttribute("class");
- }
- }
- }
- }
- function toggleClassOnElement(elt, clazz) {
- elt = resolveTarget(elt);
- elt.classList.toggle(clazz);
- }
- function takeClassForElement(elt, clazz) {
- elt = resolveTarget(elt);
- forEach(elt.parentElement.children, function(child){
- removeClassFromElement(child, clazz);
- })
- addClassToElement(elt, clazz);
- }
- function closest(elt, selector) {
- elt = resolveTarget(elt);
- if (elt.closest) {
- return elt.closest(selector);
- } else {
- do{
- if (elt == null || matches(elt, selector)){
- return elt;
- }
- }
- while (elt = elt && parentElt(elt));
- }
- }
- function querySelectorAllExt(elt, selector) {
- if (selector.indexOf("closest ") === 0) {
- return [closest(elt, selector.substr(8))];
- } else if (selector.indexOf("find ") === 0) {
- return [find(elt, selector.substr(5))];
- } else if (selector.indexOf("next ") === 0) {
- return [scanForwardQuery(elt, selector.substr(5))];
- } else if (selector.indexOf("previous ") === 0) {
- return [scanBackwardsQuery(elt, selector.substr(9))];
- } else if (selector === 'document') {
- return [document];
- } else if (selector === 'window') {
- return [window];
- } else {
- return getDocument().querySelectorAll(selector);
- }
- }
- var scanForwardQuery = function(start, match) {
- var results = getDocument().querySelectorAll(match);
- for (var i = 0; i < results.length; i++) {
- var elt = results[i];
- if (elt.compareDocumentPosition(start) === Node.DOCUMENT_POSITION_PRECEDING) {
- return elt;
- }
- }
- }
- var scanBackwardsQuery = function(start, match) {
- var results = getDocument().querySelectorAll(match);
- for (var i = results.length - 1; i >= 0; i--) {
- var elt = results[i];
- if (elt.compareDocumentPosition(start) === Node.DOCUMENT_POSITION_FOLLOWING) {
- return elt;
- }
- }
- }
- function querySelectorExt(eltOrSelector, selector) {
- if (selector) {
- return querySelectorAllExt(eltOrSelector, selector)[0];
- } else {
- return querySelectorAllExt(getDocument().body, eltOrSelector)[0];
- }
- }
- function resolveTarget(arg2) {
- if (isType(arg2, 'String')) {
- return find(arg2);
- } else {
- return arg2;
- }
- }
- function processEventArgs(arg1, arg2, arg3) {
- if (isFunction(arg2)) {
- return {
- target: getDocument().body,
- event: arg1,
- listener: arg2
- }
- } else {
- return {
- target: resolveTarget(arg1),
- event: arg2,
- listener: arg3
- }
- }
- }
- function addEventListenerImpl(arg1, arg2, arg3) {
- ready(function(){
- var eventArgs = processEventArgs(arg1, arg2, arg3);
- eventArgs.target.addEventListener(eventArgs.event, eventArgs.listener);
- })
- var b = isFunction(arg2);
- return b ? arg2 : arg3;
- }
- function removeEventListenerImpl(arg1, arg2, arg3) {
- ready(function(){
- var eventArgs = processEventArgs(arg1, arg2, arg3);
- eventArgs.target.removeEventListener(eventArgs.event, eventArgs.listener);
- })
- return isFunction(arg2) ? arg2 : arg3;
- }
- //====================================================================
- // Node processing
- //====================================================================
- var DUMMY_ELT = getDocument().createElement("output"); // dummy element for bad selectors
- function findAttributeTargets(elt, attrName) {
- var attrTarget = getClosestAttributeValue(elt, attrName);
- if (attrTarget) {
- if (attrTarget === "this") {
- return [findThisElement(elt, attrName)];
- } else {
- var result = querySelectorAllExt(elt, attrTarget);
- if (result.length === 0) {
- logError('The selector "' + attrTarget + '" on ' + attrName + " returned no matches!");
- return [DUMMY_ELT]
- } else {
- return result;
- }
- }
- }
- }
- function findThisElement(elt, attribute){
- return getClosestMatch(elt, function (elt) {
- return getAttributeValue(elt, attribute) != null;
- })
- }
- function getTarget(elt) {
- var targetStr = getClosestAttributeValue(elt, "hx-target");
- if (targetStr) {
- if (targetStr === "this") {
- return findThisElement(elt,'hx-target');
- } else {
- return querySelectorExt(elt, targetStr)
- }
- } else {
- var data = getInternalData(elt);
- if (data.boosted) {
- return getDocument().body;
- } else {
- return elt;
- }
- }
- }
- function shouldSettleAttribute(name) {
- var attributesToSettle = htmx.config.attributesToSettle;
- for (var i = 0; i < attributesToSettle.length; i++) {
- if (name === attributesToSettle[i]) {
- return true;
- }
- }
- return false;
- }
- function cloneAttributes(mergeTo, mergeFrom) {
- forEach(mergeTo.attributes, function (attr) {
- if (!mergeFrom.hasAttribute(attr.name) && shouldSettleAttribute(attr.name)) {
- mergeTo.removeAttribute(attr.name)
- }
- });
- forEach(mergeFrom.attributes, function (attr) {
- if (shouldSettleAttribute(attr.name)) {
- mergeTo.setAttribute(attr.name, attr.value);
- }
- });
- }
- function isInlineSwap(swapStyle, target) {
- var extensions = getExtensions(target);
- for (var i = 0; i < extensions.length; i++) {
- var extension = extensions[i];
- try {
- if (extension.isInlineSwap(swapStyle)) {
- return true;
- }
- } catch(e) {
- logError(e);
- }
- }
- return swapStyle === "outerHTML";
- }
- /**
- *
- * @param {string} oobValue
- * @param {HTMLElement} oobElement
- * @param {*} settleInfo
- * @returns
- */
- function oobSwap(oobValue, oobElement, settleInfo) {
- var selector = "#" + oobElement.id;
- var swapStyle = "outerHTML";
- if (oobValue === "true") {
- // do nothing
- } else if (oobValue.indexOf(":") > 0) {
- swapStyle = oobValue.substr(0, oobValue.indexOf(":"));
- selector = oobValue.substr(oobValue.indexOf(":") + 1, oobValue.length);
- } else {
- swapStyle = oobValue;
- }
- var targets = getDocument().querySelectorAll(selector);
- if (targets) {
- forEach(
- targets,
- function (target) {
- var fragment;
- var oobElementClone = oobElement.cloneNode(true);
- fragment = getDocument().createDocumentFragment();
- fragment.appendChild(oobElementClone);
- if (!isInlineSwap(swapStyle, target)) {
- fragment = oobElementClone; // if this is not an inline swap, we use the content of the node, not the node itself
- }
- var beforeSwapDetails = {shouldSwap: true, target: target, fragment:fragment };
- if (!triggerEvent(target, 'htmx:oobBeforeSwap', beforeSwapDetails)) return;
- target = beforeSwapDetails.target; // allow re-targeting
- if (beforeSwapDetails['shouldSwap']){
- swap(swapStyle, target, target, fragment, settleInfo);
- }
- forEach(settleInfo.elts, function (elt) {
- triggerEvent(elt, 'htmx:oobAfterSwap', beforeSwapDetails);
- });
- }
- );
- oobElement.parentNode.removeChild(oobElement);
- } else {
- oobElement.parentNode.removeChild(oobElement);
- triggerErrorEvent(getDocument().body, "htmx:oobErrorNoTarget", {content: oobElement});
- }
- return oobValue;
- }
- function handleOutOfBandSwaps(elt, fragment, settleInfo) {
- var oobSelects = getClosestAttributeValue(elt, "hx-select-oob");
- if (oobSelects) {
- var oobSelectValues = oobSelects.split(",");
- for (let i = 0; i < oobSelectValues.length; i++) {
- var oobSelectValue = oobSelectValues[i].split(":", 2);
- var id = oobSelectValue[0];
- if (id.indexOf("#") === 0) {
- id = id.substring(1);
- }
- var oobValue = oobSelectValue[1] || "true";
- var oobElement = fragment.querySelector("#" + id);
- if (oobElement) {
- oobSwap(oobValue, oobElement, settleInfo);
- }
- }
- }
- forEach(findAll(fragment, '[hx-swap-oob], [data-hx-swap-oob]'), function (oobElement) {
- var oobValue = getAttributeValue(oobElement, "hx-swap-oob");
- if (oobValue != null) {
- oobSwap(oobValue, oobElement, settleInfo);
- }
- });
- }
- function handlePreservedElements(fragment) {
- forEach(findAll(fragment, '[hx-preserve], [data-hx-preserve]'), function (preservedElt) {
- var id = getAttributeValue(preservedElt, "id");
- var oldElt = getDocument().getElementById(id);
- if (oldElt != null) {
- preservedElt.parentNode.replaceChild(oldElt, preservedElt);
- }
- });
- }
- function handleAttributes(parentNode, fragment, settleInfo) {
- forEach(fragment.querySelectorAll("[id]"), function (newNode) {
- if (newNode.id && newNode.id.length > 0) {
- var oldNode = parentNode.querySelector(newNode.tagName + "[id='" + newNode.id + "']");
- if (oldNode && oldNode !== parentNode) {
- var newAttributes = newNode.cloneNode();
- cloneAttributes(newNode, oldNode);
- settleInfo.tasks.push(function () {
- cloneAttributes(newNode, newAttributes);
- });
- }
- }
- });
- }
- function makeAjaxLoadTask(child) {
- return function () {
- removeClassFromElement(child, htmx.config.addedClass);
- processNode(child);
- processScripts(child);
- processFocus(child)
- triggerEvent(child, 'htmx:load');
- };
- }
- function processFocus(child) {
- var autofocus = "[autofocus]";
- var autoFocusedElt = matches(child, autofocus) ? child : child.querySelector(autofocus)
- if (autoFocusedElt != null) {
- autoFocusedElt.focus();
- }
- }
- function insertNodesBefore(parentNode, insertBefore, fragment, settleInfo) {
- handleAttributes(parentNode, fragment, settleInfo);
- while(fragment.childNodes.length > 0){
- var child = fragment.firstChild;
- addClassToElement(child, htmx.config.addedClass);
- parentNode.insertBefore(child, insertBefore);
- if (child.nodeType !== Node.TEXT_NODE && child.nodeType !== Node.COMMENT_NODE) {
- settleInfo.tasks.push(makeAjaxLoadTask(child));
- }
- }
- }
- function cleanUpElement(element) {
- var internalData = getInternalData(element);
- if (internalData.webSocket) {
- internalData.webSocket.close();
- }
- if (internalData.sseEventSource) {
- internalData.sseEventSource.close();
- }
- triggerEvent(element, "htmx:beforeCleanupElement")
- if (internalData.listenerInfos) {
- forEach(internalData.listenerInfos, function(info) {
- if (element !== info.on) {
- info.on.removeEventListener(info.trigger, info.listener);
- }
- });
- }
- if (element.children) { // IE
- forEach(element.children, function(child) { cleanUpElement(child) });
- }
- }
- function swapOuterHTML(target, fragment, settleInfo) {
- if (target.tagName === "BODY") {
- return swapInnerHTML(target, fragment, settleInfo);
- } else {
- // @type {HTMLElement}
- var newElt
- var eltBeforeNewContent = target.previousSibling;
- insertNodesBefore(parentElt(target), target, fragment, settleInfo);
- if (eltBeforeNewContent == null) {
- newElt = parentElt(target).firstChild;
- } else {
- newElt = eltBeforeNewContent.nextSibling;
- }
- getInternalData(target).replacedWith = newElt; // tuck away so we can fire events on it later
- settleInfo.elts = [] // clear existing elements
- while(newElt && newElt !== target) {
- if (newElt.nodeType === Node.ELEMENT_NODE) {
- settleInfo.elts.push(newElt);
- }
- newElt = newElt.nextElementSibling;
- }
- cleanUpElement(target);
- parentElt(target).removeChild(target);
- }
- }
- function swapAfterBegin(target, fragment, settleInfo) {
- return insertNodesBefore(target, target.firstChild, fragment, settleInfo);
- }
- function swapBeforeBegin(target, fragment, settleInfo) {
- return insertNodesBefore(parentElt(target), target, fragment, settleInfo);
- }
- function swapBeforeEnd(target, fragment, settleInfo) {
- return insertNodesBefore(target, null, fragment, settleInfo);
- }
- function swapAfterEnd(target, fragment, settleInfo) {
- return insertNodesBefore(parentElt(target), target.nextSibling, fragment, settleInfo);
- }
- function swapDelete(target, fragment, settleInfo) {
- cleanUpElement(target);
- return parentElt(target).removeChild(target);
- }
- function swapInnerHTML(target, fragment, settleInfo) {
- var firstChild = target.firstChild;
- insertNodesBefore(target, firstChild, fragment, settleInfo);
- if (firstChild) {
- while (firstChild.nextSibling) {
- cleanUpElement(firstChild.nextSibling)
- target.removeChild(firstChild.nextSibling);
- }
- cleanUpElement(firstChild)
- target.removeChild(firstChild);
- }
- }
- function maybeSelectFromResponse(elt, fragment) {
- var selector = getClosestAttributeValue(elt, "hx-select");
- if (selector) {
- var newFragment = getDocument().createDocumentFragment();
- forEach(fragment.querySelectorAll(selector), function (node) {
- newFragment.appendChild(node);
- });
- fragment = newFragment;
- }
- return fragment;
- }
- function swap(swapStyle, elt, target, fragment, settleInfo) {
- switch (swapStyle) {
- case "none":
- return;
- case "outerHTML":
- swapOuterHTML(target, fragment, settleInfo);
- return;
- case "afterbegin":
- swapAfterBegin(target, fragment, settleInfo);
- return;
- case "beforebegin":
- swapBeforeBegin(target, fragment, settleInfo);
- return;
- case "beforeend":
- swapBeforeEnd(target, fragment, settleInfo);
- return;
- case "afterend":
- swapAfterEnd(target, fragment, settleInfo);
- return;
- case "delete":
- swapDelete(target, fragment, settleInfo);
- return;
- default:
- var extensions = getExtensions(elt);
- for (var i = 0; i < extensions.length; i++) {
- var ext = extensions[i];
- try {
- var newElements = ext.handleSwap(swapStyle, target, fragment, settleInfo);
- if (newElements) {
- if (typeof newElements.length !== 'undefined') {
- // if handleSwap returns an array (like) of elements, we handle them
- for (var j = 0; j < newElements.length; j++) {
- var child = newElements[j];
- if (child.nodeType !== Node.TEXT_NODE && child.nodeType !== Node.COMMENT_NODE) {
- settleInfo.tasks.push(makeAjaxLoadTask(child));
- }
- }
- }
- return;
- }
- } catch (e) {
- logError(e);
- }
- }
- if (swapStyle === "innerHTML") {
- swapInnerHTML(target, fragment, settleInfo);
- } else {
- swap(htmx.config.defaultSwapStyle, elt, target, fragment, settleInfo);
- }
- }
- }
- function findTitle(content) {
- if (content.indexOf('<title') > -1) {
- var contentWithSvgsRemoved = content.replace(/<svg(\s[^>]*>|>)([\s\S]*?)<\/svg>/gim, '');
- var result = contentWithSvgsRemoved.match(/<title(\s[^>]*>|>)([\s\S]*?)<\/title>/im);
- if (result) {
- return result[2];
- }
- }
- }
- function selectAndSwap(swapStyle, target, elt, responseText, settleInfo) {
- settleInfo.title = findTitle(responseText);
- var fragment = makeFragment(responseText);
- if (fragment) {
- handleOutOfBandSwaps(elt, fragment, settleInfo);
- fragment = maybeSelectFromResponse(elt, fragment);
- handlePreservedElements(fragment);
- return swap(swapStyle, elt, target, fragment, settleInfo);
- }
- }
- function handleTrigger(xhr, header, elt) {
- var triggerBody = xhr.getResponseHeader(header);
- if (triggerBody.indexOf("{") === 0) {
- var triggers = parseJSON(triggerBody);
- for (var eventName in triggers) {
- if (triggers.hasOwnProperty(eventName)) {
- var detail = triggers[eventName];
- if (!isRawObject(detail)) {
- detail = {"value": detail}
- }
- triggerEvent(elt, eventName, detail);
- }
- }
- } else {
- triggerEvent(elt, triggerBody, []);
- }
- }
- var WHITESPACE = /\s/;
- var WHITESPACE_OR_COMMA = /[\s,]/;
- var SYMBOL_START = /[_$a-zA-Z]/;
- var SYMBOL_CONT = /[_$a-zA-Z0-9]/;
- var STRINGISH_START = ['"', "'", "/"];
- var NOT_WHITESPACE = /[^\s]/;
- function tokenizeString(str) {
- var tokens = [];
- var position = 0;
- while (position < str.length) {
- if(SYMBOL_START.exec(str.charAt(position))) {
- var startPosition = position;
- while (SYMBOL_CONT.exec(str.charAt(position + 1))) {
- position++;
- }
- tokens.push(str.substr(startPosition, position - startPosition + 1));
- } else if (STRINGISH_START.indexOf(str.charAt(position)) !== -1) {
- var startChar = str.charAt(position);
- var startPosition = position;
- position++;
- while (position < str.length && str.charAt(position) !== startChar ) {
- if (str.charAt(position) === "\\") {
- position++;
- }
- position++;
- }
- tokens.push(str.substr(startPosition, position - startPosition + 1));
- } else {
- var symbol = str.charAt(position);
- tokens.push(symbol);
- }
- position++;
- }
- return tokens;
- }
- function isPossibleRelativeReference(token, last, paramName) {
- return SYMBOL_START.exec(token.charAt(0)) &&
- token !== "true" &&
- token !== "false" &&
- token !== "this" &&
- token !== paramName &&
- last !== ".";
- }
- function maybeGenerateConditional(elt, tokens, paramName) {
- if (tokens[0] === '[') {
- tokens.shift();
- var bracketCount = 1;
- var conditionalSource = " return (function(" + paramName + "){ return (";
- var last = null;
- while (tokens.length > 0) {
- var token = tokens[0];
- if (token === "]") {
- bracketCount--;
- if (bracketCount === 0) {
- if (last === null) {
- conditionalSource = conditionalSource + "true";
- }
- tokens.shift();
- conditionalSource += ")})";
- try {
- var conditionFunction = maybeEval(elt,function () {
- return Function(conditionalSource)();
- },
- function(){return true})
- conditionFunction.source = conditionalSource;
- return conditionFunction;
- } catch (e) {
- triggerErrorEvent(getDocument().body, "htmx:syntax:error", {error:e, source:conditionalSource})
- return null;
- }
- }
- } else if (token === "[") {
- bracketCount++;
- }
- if (isPossibleRelativeReference(token, last, paramName)) {
- conditionalSource += "((" + paramName + "." + token + ") ? (" + paramName + "." + token + ") : (window." + token + "))";
- } else {
- conditionalSource = conditionalSource + token;
- }
- last = tokens.shift();
- }
- }
- }
- function consumeUntil(tokens, match) {
- var result = "";
- while (tokens.length > 0 && !tokens[0].match(match)) {
- result += tokens.shift();
- }
- return result;
- }
- var INPUT_SELECTOR = 'input, textarea, select';
- /**
- * @param {HTMLElement} elt
- * @returns {import("./htmx").HtmxTriggerSpecification[]}
- */
- function getTriggerSpecs(elt) {
- var explicitTrigger = getAttributeValue(elt, 'hx-trigger');
- var triggerSpecs = [];
- if (explicitTrigger) {
- var tokens = tokenizeString(explicitTrigger);
- do {
- consumeUntil(tokens, NOT_WHITESPACE);
- var initialLength = tokens.length;
- var trigger = consumeUntil(tokens, /[,\[\s]/);
- if (trigger !== "") {
- if (trigger === "every") {
- var every = {trigger: 'every'};
- consumeUntil(tokens, NOT_WHITESPACE);
- every.pollInterval = parseInterval(consumeUntil(tokens, /[,\[\s]/));
- consumeUntil(tokens, NOT_WHITESPACE);
- var eventFilter = maybeGenerateConditional(elt, tokens, "event");
- if (eventFilter) {
- every.eventFilter = eventFilter;
- }
- triggerSpecs.push(every);
- } else if (trigger.indexOf("sse:") === 0) {
- triggerSpecs.push({trigger: 'sse', sseEvent: trigger.substr(4)});
- } else {
- var triggerSpec = {trigger: trigger};
- var eventFilter = maybeGenerateConditional(elt, tokens, "event");
- if (eventFilter) {
- triggerSpec.eventFilter = eventFilter;
- }
- while (tokens.length > 0 && tokens[0] !== ",") {
- consumeUntil(tokens, NOT_WHITESPACE)
- var token = tokens.shift();
- if (token === "changed") {
- triggerSpec.changed = true;
- } else if (token === "once") {
- triggerSpec.once = true;
- } else if (token === "consume") {
- triggerSpec.consume = true;
- } else if (token === "delay" && tokens[0] === ":") {
- tokens.shift();
- triggerSpec.delay = parseInterval(consumeUntil(tokens, WHITESPACE_OR_COMMA));
- } else if (token === "from" && tokens[0] === ":") {
- tokens.shift();
- var from_arg = consumeUntil(tokens, WHITESPACE_OR_COMMA);
- if (from_arg === "closest" || from_arg === "find" || from_arg === "next" || from_arg === "previous") {
- tokens.shift();
- from_arg +=
- " " +
- consumeUntil(
- tokens,
- WHITESPACE_OR_COMMA
- );
- }
- triggerSpec.from = from_arg;
- } else if (token === "target" && tokens[0] === ":") {
- tokens.shift();
- triggerSpec.target = consumeUntil(tokens, WHITESPACE_OR_COMMA);
- } else if (token === "throttle" && tokens[0] === ":") {
- tokens.shift();
- triggerSpec.throttle = parseInterval(consumeUntil(tokens, WHITESPACE_OR_COMMA));
- } else if (token === "queue" && tokens[0] === ":") {
- tokens.shift();
- triggerSpec.queue = consumeUntil(tokens, WHITESPACE_OR_COMMA);
- } else if ((token === "root" || token === "threshold") && tokens[0] === ":") {
- tokens.shift();
- triggerSpec[token] = consumeUntil(tokens, WHITESPACE_OR_COMMA);
- } else {
- triggerErrorEvent(elt, "htmx:syntax:error", {token:tokens.shift()});
- }
- }
- triggerSpecs.push(triggerSpec);
- }
- }
- if (tokens.length === initialLength) {
- triggerErrorEvent(elt, "htmx:syntax:error", {token:tokens.shift()});
- }
- consumeUntil(tokens, NOT_WHITESPACE);
- } while (tokens[0] === "," && tokens.shift())
- }
- if (triggerSpecs.length > 0) {
- return triggerSpecs;
- } else if (matches(elt, 'form')) {
- return [{trigger: 'submit'}];
- } else if (matches(elt, 'input[type="button"]')){
- return [{trigger: 'click'}];
- } else if (matches(elt, INPUT_SELECTOR)) {
- return [{trigger: 'change'}];
- } else {
- return [{trigger: 'click'}];
- }
- }
- function cancelPolling(elt) {
- getInternalData(elt).cancelled = true;
- }
- function processPolling(elt, handler, spec) {
- var nodeData = getInternalData(elt);
- nodeData.timeout = setTimeout(function () {
- if (bodyContains(elt) && nodeData.cancelled !== true) {
- if (!maybeFilterEvent(spec, makeEvent('hx:poll:trigger', {triggerSpec:spec, target:elt}))) {
- handler(elt);
- }
- processPolling(elt, handler, spec);
- }
- }, spec.pollInterval);
- }
- function isLocalLink(elt) {
- return location.hostname === elt.hostname &&
- getRawAttribute(elt,'href') &&
- getRawAttribute(elt,'href').indexOf("#") !== 0;
- }
- function boostElement(elt, nodeData, triggerSpecs) {
- if ((elt.tagName === "A" && isLocalLink(elt) && (elt.target === "" || elt.target === "_self")) || elt.tagName === "FORM") {
- nodeData.boosted = true;
- var verb, path;
- if (elt.tagName === "A") {
- verb = "get";
- path = getRawAttribute(elt, 'href');
- } else {
- var rawAttribute = getRawAttribute(elt, "method");
- verb = rawAttribute ? rawAttribute.toLowerCase() : "get";
- if (verb === "get") {
- }
- path = getRawAttribute(elt, 'action');
- }
- triggerSpecs.forEach(function(triggerSpec) {
- addEventListener(elt, function(evt) {
- issueAjaxRequest(verb, path, elt, evt)
- }, nodeData, triggerSpec, true);
- });
- }
- }
- /**
- *
- * @param {Event} evt
- * @param {HTMLElement} elt
- * @returns
- */
- function shouldCancel(evt, elt) {
- if (evt.type === "submit" || evt.type === "click") {
- if (elt.tagName === "FORM") {
- return true;
- }
- if (matches(elt, 'input[type="submit"], button') && closest(elt, 'form') !== null) {
- return true;
- }
- if (elt.tagName === "A" && elt.href &&
- (elt.getAttribute('href') === '#' || elt.getAttribute('href').indexOf("#") !== 0)) {
- return true;
- }
- }
- return false;
- }
- function ignoreBoostedAnchorCtrlClick(elt, evt) {
- return getInternalData(elt).boosted && elt.tagName === "A" && evt.type === "click" && (evt.ctrlKey || evt.metaKey);
- }
- function maybeFilterEvent(triggerSpec, evt) {
- var eventFilter = triggerSpec.eventFilter;
- if(eventFilter){
- try {
- return eventFilter(evt) !== true;
- } catch(e) {
- triggerErrorEvent(getDocument().body, "htmx:eventFilter:error", {error: e, source:eventFilter.source});
- return true;
- }
- }
- return false;
- }
- function addEventListener(elt, handler, nodeData, triggerSpec, explicitCancel) {
- var eltsToListenOn;
- if (triggerSpec.from) {
- eltsToListenOn = querySelectorAllExt(elt, triggerSpec.from);
- } else {
- eltsToListenOn = [elt];
- }
- forEach(eltsToListenOn, function (eltToListenOn) {
- var eventListener = function (evt) {
- if (!bodyContains(elt)) {
- eltToListenOn.removeEventListener(triggerSpec.trigger, eventListener);
- return;
- }
- if (ignoreBoostedAnchorCtrlClick(elt, evt)) {
- return;
- }
- if (explicitCancel || shouldCancel(evt, elt)) {
- evt.preventDefault();
- }
- if (maybeFilterEvent(triggerSpec, evt)) {
- return;
- }
- var eventData = getInternalData(evt);
- eventData.triggerSpec = triggerSpec;
- if (eventData.handledFor == null) {
- eventData.handledFor = [];
- }
- var elementData = getInternalData(elt);
- if (eventData.handledFor.indexOf(elt) < 0) {
- eventData.handledFor.push(elt);
- if (triggerSpec.consume) {
- evt.stopPropagation();
- }
- if (triggerSpec.target && evt.target) {
- if (!matches(evt.target, triggerSpec.target)) {
- return;
- }
- }
- if (triggerSpec.once) {
- if (elementData.triggeredOnce) {
- return;
- } else {
- elementData.triggeredOnce = true;
- }
- }
- if (triggerSpec.changed) {
- if (elementData.lastValue === elt.value) {
- return;
- } else {
- elementData.lastValue = elt.value;
- }
- }
- if (elementData.delayed) {
- clearTimeout(elementData.delayed);
- }
- if (elementData.throttle) {
- return;
- }
- if (triggerSpec.throttle) {
- if (!elementData.throttle) {
- handler(elt, evt);
- elementData.throttle = setTimeout(function () {
- elementData.throttle = null;
- }, triggerSpec.throttle);
- }
- } else if (triggerSpec.delay) {
- elementData.delayed = setTimeout(function() { handler(elt, evt) }, triggerSpec.delay);
- } else {
- handler(elt, evt);
- }
- }
- };
- if (nodeData.listenerInfos == null) {
- nodeData.listenerInfos = [];
- }
- nodeData.listenerInfos.push({
- trigger: triggerSpec.trigger,
- listener: eventListener,
- on: eltToListenOn
- })
- eltToListenOn.addEventListener(triggerSpec.trigger, eventListener);
- })
- }
- var windowIsScrolling = false // used by initScrollHandler
- var scrollHandler = null;
- function initScrollHandler() {
- if (!scrollHandler) {
- scrollHandler = function() {
- windowIsScrolling = true
- };
- window.addEventListener("scroll", scrollHandler)
- setInterval(function() {
- if (windowIsScrolling) {
- windowIsScrolling = false;
- forEach(getDocument().querySelectorAll("[hx-trigger='revealed'],[data-hx-trigger='revealed']"), function (elt) {
- maybeReveal(elt);
- })
- }
- }, 200);
- }
- }
- function maybeReveal(elt) {
- if (!hasAttribute(elt,'data-hx-revealed') && isScrolledIntoView(elt)) {
- elt.setAttribute('data-hx-revealed', 'true');
- var nodeData = getInternalData(elt);
- if (nodeData.initialized) {
- triggerEvent(elt, 'revealed');
- } else {
- // if the node isn't initialized, wait for it before triggering the request
- elt.addEventListener("htmx:afterProcessNode", function(evt) { triggerEvent(elt, 'revealed') }, {once: true});
- }
- }
- }
- //====================================================================
- // Web Sockets
- //====================================================================
- function processWebSocketInfo(elt, nodeData, info) {
- var values = splitOnWhitespace(info);
- for (var i = 0; i < values.length; i++) {
- var value = values[i].split(/:(.+)/);
- if (value[0] === "connect") {
- ensureWebSocket(elt, value[1], 0);
- }
- if (value[0] === "send") {
- processWebSocketSend(elt);
- }
- }
- }
- function ensureWebSocket(elt, wssSource, retryCount) {
- if (!bodyContains(elt)) {
- return; // stop ensuring websocket connection when socket bearing element ceases to exist
- }
- if (wssSource.indexOf("/") == 0) { // complete absolute paths only
- var base_part = location.hostname + (location.port ? ':'+location.port: '');
- if (location.protocol == 'https:') {
- wssSource = "wss://" + base_part + wssSource;
- } else if (location.protocol == 'http:') {
- wssSource = "ws://" + base_part + wssSource;
- }
- }
- var socket = htmx.createWebSocket(wssSource);
- socket.onerror = function (e) {
- triggerErrorEvent(elt, "htmx:wsError", {error:e, socket:socket});
- maybeCloseWebSocketSource(elt);
- };
- socket.onclose = function (e) {
- if ([1006, 1012, 1013].indexOf(e.code) >= 0) { // Abnormal Closure/Service Restart/Try Again Later
- var delay = getWebSocketReconnectDelay(retryCount);
- setTimeout(function() {
- ensureWebSocket(elt, wssSource, retryCount+1); // creates a websocket with a new timeout
- }, delay);
- }
- };
- socket.onopen = function (e) {
- retryCount = 0;
- }
- getInternalData(elt).webSocket = socket;
- socket.addEventListener('message', function (event) {
- if (maybeCloseWebSocketSource(elt)) {
- return;
- }
- var response = event.data;
- withExtensions(elt, function(extension){
- response = extension.transformResponse(response, null, elt);
- });
- var settleInfo = makeSettleInfo(elt);
- var fragment = makeFragment(response);
- var children = toArray(fragment.children);
- for (var i = 0; i < children.length; i++) {
- var child = children[i];
- oobSwap(getAttributeValue(child, "hx-swap-oob") || "true", child, settleInfo);
- }
- settleImmediately(settleInfo.tasks);
- });
- }
- function maybeCloseWebSocketSource(elt) {
- if (!bodyContains(elt)) {
- getInternalData(elt).webSocket.close();
- return true;
- }
- }
- function processWebSocketSend(elt) {
- var webSocketSourceElt = getClosestMatch(elt, function (parent) {
- return getInternalData(parent).webSocket != null;
- });
- if (webSocketSourceElt) {
- elt.addEventListener(getTriggerSpecs(elt)[0].trigger, function (evt) {
- var webSocket = getInternalData(webSocketSourceElt).webSocket;
- var headers = getHeaders(elt, webSocketSourceElt);
- var results = getInputValues(elt, 'post');
- var errors = results.errors;
- var rawParameters = results.values;
- var expressionVars = getExpressionVars(elt);
- var allParameters = mergeObjects(rawParameters, expressionVars);
- var filteredParameters = filterValues(allParameters, elt);
- filteredParameters['HEADERS'] = headers;
- if (errors && errors.length > 0) {
- triggerEvent(elt, 'htmx:validation:halted', errors);
- return;
- }
- webSocket.send(JSON.stringify(filteredParameters));
- if(shouldCancel(evt, elt)){
- evt.preventDefault();
- }
- });
- } else {
- triggerErrorEvent(elt, "htmx:noWebSocketSourceError");
- }
- }
- function getWebSocketReconnectDelay(retryCount) {
- var delay = htmx.config.wsReconnectDelay;
- if (typeof delay === 'function') {
- // @ts-ignore
- return delay(retryCount);
- }
- if (delay === 'full-jitter') {
- var exp = Math.min(retryCount, 6);
- var maxDelay = 1000 * Math.pow(2, exp);
- return maxDelay * Math.random();
- }
- logError('htmx.config.wsReconnectDelay must either be a function or the string "full-jitter"');
- }
- //====================================================================
- // Server Sent Events
- //====================================================================
- function processSSEInfo(elt, nodeData, info) {
- var values = splitOnWhitespace(info);
- for (var i = 0; i < values.length; i++) {
- var value = values[i].split(/:(.+)/);
- if (value[0] === "connect") {
- processSSESource(elt, value[1]);
- }
- if ((value[0] === "swap")) {
- processSSESwap(elt, value[1])
- }
- }
- }
- function processSSESource(elt, sseSrc) {
- var source = htmx.createEventSource(sseSrc);
- source.onerror = function (e) {
- triggerErrorEvent(elt, "htmx:sseError", {error:e, source:source});
- maybeCloseSSESource(elt);
- };
- getInternalData(elt).sseEventSource = source;
- }
- function processSSESwap(elt, sseEventName) {
- var sseSourceElt = getClosestMatch(elt, hasEventSource);
- if (sseSourceElt) {
- var sseEventSource = getInternalData(sseSourceElt).sseEventSource;
- var sseListener = function (event) {
- if (maybeCloseSSESource(sseSourceElt)) {
- sseEventSource.removeEventListener(sseEventName, sseListener);
- return;
- }
- ///////////////////////////
- // TODO: merge this code with AJAX and WebSockets code in the future.
- var response = event.data;
- withExtensions(elt, function(extension){
- response = extension.transformResponse(response, null, elt);
- });
- var swapSpec = getSwapSpecification(elt)
- var target = getTarget(elt)
- var settleInfo = makeSettleInfo(elt);
- selectAndSwap(swapSpec.swapStyle, elt, target, response, settleInfo)
- settleImmediately(settleInfo.tasks)
- triggerEvent(elt, "htmx:sseMessage", event)
- };
- getInternalData(elt).sseListener = sseListener;
- sseEventSource.addEventListener(sseEventName, sseListener);
- } else {
- triggerErrorEvent(elt, "htmx:noSSESourceError");
- }
- }
- function processSSETrigger(elt, handler, sseEventName) {
- var sseSourceElt = getClosestMatch(elt, hasEventSource);
- if (sseSourceElt) {
- var sseEventSource = getInternalData(sseSourceElt).sseEventSource;
- var sseListener = function () {
- if (!maybeCloseSSESource(sseSourceElt)) {
- if (bodyContains(elt)) {
- handler(elt);
- } else {
- sseEventSource.removeEventListener(sseEventName, sseListener);
- }
- }
- };
- getInternalData(elt).sseListener = sseListener;
- sseEventSource.addEventListener(sseEventName, sseListener);
- } else {
- triggerErrorEvent(elt, "htmx:noSSESourceError");
- }
- }
- function maybeCloseSSESource(elt) {
- if (!bodyContains(elt)) {
- getInternalData(elt).sseEventSource.close();
- return true;
- }
- }
- function hasEventSource(node) {
- return getInternalData(node).sseEventSource != null;
- }
- //====================================================================
- function loadImmediately(elt, handler, nodeData, delay) {
- var load = function(){
- if (!nodeData.loaded) {
- nodeData.loaded = true;
- handler(elt);
- }
- }
- if (delay) {
- setTimeout(load, delay);
- } else {
- load();
- }
- }
- function processVerbs(elt, nodeData, triggerSpecs) {
- var explicitAction = false;
- forEach(VERBS, function (verb) {
- if (hasAttribute(elt,'hx-' + verb)) {
- var path = getAttributeValue(elt, 'hx-' + verb);
- explicitAction = true;
- nodeData.path = path;
- nodeData.verb = verb;
- triggerSpecs.forEach(function(triggerSpec) {
- addTriggerHandler(elt, triggerSpec, nodeData, function (elt, evt) {
- issueAjaxRequest(verb, path, elt, evt)
- })
- });
- }
- });
- return explicitAction;
- }
- function addTriggerHandler(elt, triggerSpec, nodeData, handler) {
- if (triggerSpec.sseEvent) {
- processSSETrigger(elt, handler, triggerSpec.sseEvent);
- } else if (triggerSpec.trigger === "revealed") {
- initScrollHandler();
- addEventListener(elt, handler, nodeData, triggerSpec);
- maybeReveal(elt);
- } else if (triggerSpec.trigger === "intersect") {
- var observerOptions = {};
- if (triggerSpec.root) {
- observerOptions.root = querySelectorExt(elt, triggerSpec.root)
- }
- if (triggerSpec.threshold) {
- observerOptions.threshold = parseFloat(triggerSpec.threshold);
- }
- var observer = new IntersectionObserver(function (entries) {
- for (var i = 0; i < entries.length; i++) {
- var entry = entries[i];
- if (entry.isIntersecting) {
- triggerEvent(elt, "intersect");
- break;
- }
- }
- }, observerOptions);
- observer.observe(elt);
- addEventListener(elt, handler, nodeData, triggerSpec);
- } else if (triggerSpec.trigger === "load") {
- if (!maybeFilterEvent(triggerSpec, makeEvent("load", {elt:elt}))) {
- loadImmediately(elt, handler, nodeData, triggerSpec.delay);
- }
- } else if (triggerSpec.pollInterval) {
- nodeData.polling = true;
- processPolling(elt, handler, triggerSpec);
- } else {
- addEventListener(elt, handler, nodeData, triggerSpec);
- }
- }
- function evalScript(script) {
- if (script.type === "text/javascript" || script.type === "module" || script.type === "") {
- var newScript = getDocument().createElement("script");
- forEach(script.attributes, function (attr) {
- newScript.setAttribute(attr.name, attr.value);
- });
- newScript.textContent = script.textContent;
- newScript.async = false;
- if (htmx.config.inlineScriptNonce) {
- newScript.nonce = htmx.config.inlineScriptNonce;
- }
- var parent = script.parentElement;
- try {
- parent.insertBefore(newScript, script);
- } catch (e) {
- logError(e);
- } finally {
- parent.removeChild(script);
- }
- }
- }
- function processScripts(elt) {
- if (matches(elt, "script")) {
- evalScript(elt);
- }
- forEach(findAll(elt, "script"), function (script) {
- evalScript(script);
- });
- }
- function hasChanceOfBeingBoosted() {
- return document.querySelector("[hx-boost], [data-hx-boost]");
- }
- function findElementsToProcess(elt) {
- if (elt.querySelectorAll) {
- var boostedElts = hasChanceOfBeingBoosted() ? ", a, form" : "";
- var results = elt.querySelectorAll(VERB_SELECTOR + boostedElts + ", [hx-sse], [data-hx-sse], [hx-ws]," +
- " [data-hx-ws], [hx-ext], [hx-data-ext]");
- return results;
- } else {
- return [];
- }
- }
- function initButtonTracking(form){
- var maybeSetLastButtonClicked = function(evt){
- if (matches(evt.target, "button, input[type='submit']")) {
- var internalData = getInternalData(form);
- internalData.lastButtonClicked = evt.target;
- }
- };
- // need to handle both click and focus in:
- // focusin - in case someone tabs in to a button and hits the space bar
- // click - on OSX buttons do not focus on click see https://bugs.webkit.org/show_bug.cgi?id=13724
- form.addEventListener('click', maybeSetLastButtonClicked)
- form.addEventListener('focusin', maybeSetLastButtonClicked)
- form.addEventListener('focusout', function(evt){
- var internalData = getInternalData(form);
- internalData.lastButtonClicked = null;
- })
- }
- function initNode(elt) {
- if (elt.closest && elt.closest(htmx.config.disableSelector)) {
- return;
- }
- var nodeData = getInternalData(elt);
- if (!nodeData.initialized) {
- nodeData.initialized = true;
- triggerEvent(elt, "htmx:beforeProcessNode")
- if (elt.value) {
- nodeData.lastValue = elt.value;
- }
- var triggerSpecs = getTriggerSpecs(elt);
- var explicitAction = processVerbs(elt, nodeData, triggerSpecs);
- if (!explicitAction && getClosestAttributeValue(elt, "hx-boost") === "true") {
- boostElement(elt, nodeData, triggerSpecs);
- }
- if (elt.tagName === "FORM") {
- initButtonTracking(elt);
- }
- var sseInfo = getAttributeValue(elt, 'hx-sse');
- if (sseInfo) {
- processSSEInfo(elt, nodeData, sseInfo);
- }
- var wsInfo = getAttributeValue(elt, 'hx-ws');
- if (wsInfo) {
- processWebSocketInfo(elt, nodeData, wsInfo);
- }
- triggerEvent(elt, "htmx:afterProcessNode");
- }
- }
- function processNode(elt) {
- elt = resolveTarget(elt);
- initNode(elt);
- forEach(findElementsToProcess(elt), function(child) { initNode(child) });
- }
- //====================================================================
- // Event/Log Support
- //====================================================================
- function kebabEventName(str) {
- return str.replace(/([a-z0-9])([A-Z])/g, '$1-$2').toLowerCase();
- }
- function makeEvent(eventName, detail) {
- var evt;
- if (window.CustomEvent && typeof window.CustomEvent === 'function') {
- evt = new CustomEvent(eventName, {bubbles: true, cancelable: true, detail: detail});
- } else {
- evt = getDocument().createEvent('CustomEvent');
- evt.initCustomEvent(eventName, true, true, detail);
- }
- return evt;
- }
- function triggerErrorEvent(elt, eventName, detail) {
- triggerEvent(elt, eventName, mergeObjects({error:eventName}, detail));
- }
- function ignoreEventForLogging(eventName) {
- return eventName === "htmx:afterProcessNode"
- }
- /**
- * `withExtensions` locates all active extensions for a provided element, then
- * executes the provided function using each of the active extensions. It should
- * be called internally at every extendable execution point in htmx.
- *
- * @param {HTMLElement} elt
- * @param {(extension:import("./htmx").HtmxExtension) => void} toDo
- * @returns void
- */
- function withExtensions(elt, toDo) {
- forEach(getExtensions(elt), function(extension){
- try {
- toDo(extension);
- } catch (e) {
- logError(e);
- }
- });
- }
- function logError(msg) {
- if(console.error) {
- console.error(msg);
- } else if (console.log) {
- console.log("ERROR: ", msg);
- }
- }
- function triggerEvent(elt, eventName, detail) {
- elt = resolveTarget(elt);
- if (detail == null) {
- detail = {};
- }
- detail["elt"] = elt;
- var event = makeEvent(eventName, detail);
- if (htmx.logger && !ignoreEventForLogging(eventName)) {
- htmx.logger(elt, eventName, detail);
- }
- if (detail.error) {
- logError(detail.error);
- triggerEvent(elt, "htmx:error", {errorInfo:detail})
- }
- var eventResult = elt.dispatchEvent(event);
- var kebabName = kebabEventName(eventName);
- if (eventResult && kebabName !== eventName) {
- var kebabedEvent = makeEvent(kebabName, event.detail);
- eventResult = eventResult && elt.dispatchEvent(kebabedEvent)
- }
- withExtensions(elt, function (extension) {
- eventResult = eventResult && (extension.onEvent(eventName, event) !== false)
- });
- return eventResult;
- }
- //====================================================================
- // History Support
- //====================================================================
- var currentPathForHistory = location.pathname+location.search;
- function getHistoryElement() {
- var historyElt = getDocument().querySelector('[hx-history-elt],[data-hx-history-elt]');
- return historyElt || getDocument().body;
- }
- function saveToHistoryCache(url, content, title, scroll) {
- if (!canAccessLocalStorage()) {
- return;
- }
- var historyCache = parseJSON(localStorage.getItem("htmx-history-cache")) || [];
- for (var i = 0; i < historyCache.length; i++) {
- if (historyCache[i].url === url) {
- historyCache.splice(i, 1);
- break;
- }
- }
- historyCache.push({url:url, content: content, title:title, scroll:scroll})
- while (historyCache.length > htmx.config.historyCacheSize) {
- historyCache.shift();
- }
- while(historyCache.length > 0){
- try {
- localStorage.setItem("htmx-history-cache", JSON.stringify(historyCache));
- break;
- } catch (e) {
- triggerErrorEvent(getDocument().body, "htmx:historyCacheError", {cause:e, cache: historyCache})
- historyCache.shift(); // shrink the cache and retry
- }
- }
- }
- function getCachedHistory(url) {
- if (!canAccessLocalStorage()) {
- return null;
- }
- var historyCache = parseJSON(localStorage.getItem("htmx-history-cache")) || [];
- for (var i = 0; i < historyCache.length; i++) {
- if (historyCache[i].url === url) {
- return historyCache[i];
- }
- }
- return null;
- }
- function cleanInnerHtmlForHistory(elt) {
- var className = htmx.config.requestClass;
- var clone = elt.cloneNode(true);
- forEach(findAll(clone, "." + className), function(child){
- removeClassFromElement(child, className);
- });
- return clone.innerHTML;
- }
- function saveCurrentPageToHistory() {
- var elt = getHistoryElement();
- var path = currentPathForHistory || location.pathname+location.search;
- triggerEvent(getDocument().body, "htmx:beforeHistorySave", {path:path, historyElt:elt});
- if(htmx.config.historyEnabled) history.replaceState({htmx:true}, getDocument().title, window.location.href);
- saveToHistoryCache(path, cleanInnerHtmlForHistory(elt), getDocument().title, window.scrollY);
- }
- function pushUrlIntoHistory(path) {
- if(htmx.config.historyEnabled) history.pushState({htmx:true}, "", path);
- currentPathForHistory = path;
- }
- function replaceUrlInHistory(path) {
- if(htmx.config.historyEnabled) history.replaceState({htmx:true}, "", path);
- currentPathForHistory = path;
- }
- function settleImmediately(tasks) {
- forEach(tasks, function (task) {
- task.call();
- });
- }
- function loadHistoryFromServer(path) {
- var request = new XMLHttpRequest();
- var details = {path: path, xhr:request};
- triggerEvent(getDocument().body, "htmx:historyCacheMiss", details);
- request.open('GET', path, true);
- request.setRequestHeader("HX-History-Restore-Request", "true");
- request.onload = function () {
- if (this.status >= 200 && this.status < 400) {
- triggerEvent(getDocument().body, "htmx:historyCacheMissLoad", details);
- var fragment = makeFragment(this.response);
- // @ts-ignore
- fragment = fragment.querySelector('[hx-history-elt],[data-hx-history-elt]') || fragment;
- var historyElement = getHistoryElement();
- var settleInfo = makeSettleInfo(historyElement);
- // @ts-ignore
- swapInnerHTML(historyElement, fragment, settleInfo)
- settleImmediately(settleInfo.tasks);
- currentPathForHistory = path;
- triggerEvent(getDocument().body, "htmx:historyRestore", {path:path});
- } else {
- triggerErrorEvent(getDocument().body, "htmx:historyCacheMissLoadError", details);
- }
- };
- request.send();
- }
- function restoreHistory(path) {
- saveCurrentPageToHistory();
- path = path || location.pathname+location.search;
- var cached = getCachedHistory(path);
- if (cached) {
- var fragment = makeFragment(cached.content);
- var historyElement = getHistoryElement();
- var settleInfo = makeSettleInfo(historyElement);
- swapInnerHTML(historyElement, fragment, settleInfo)
- settleImmediately(settleInfo.tasks);
- document.title = cached.title;
- window.scrollTo(0, cached.scroll);
- currentPathForHistory = path;
- triggerEvent(getDocument().body, "htmx:historyRestore", {path:path});
- } else {
- if (htmx.config.refreshOnHistoryMiss) {
- // @ts-ignore: optional parameter in reload() function throws error
- window.location.reload(true);
- } else {
- loadHistoryFromServer(path);
- }
- }
- }
- function addRequestIndicatorClasses(elt) {
- var indicators = findAttributeTargets(elt, 'hx-indicator');
- if (indicators == null) {
- indicators = [elt];
- }
- forEach(indicators, function (ic) {
- ic.classList["add"].call(ic.classList, htmx.config.requestClass);
- });
- return indicators;
- }
- function removeRequestIndicatorClasses(indicators) {
- forEach(indicators, function (ic) {
- ic.classList["remove"].call(ic.classList, htmx.config.requestClass);
- });
- }
- //====================================================================
- // Input Value Processing
- //====================================================================
- function haveSeenNode(processed, elt) {
- for (var i = 0; i < processed.length; i++) {
- var node = processed[i];
- if (node.isSameNode(elt)) {
- return true;
- }
- }
- return false;
- }
- function shouldInclude(elt) {
- if(elt.name === "" || elt.name == null || elt.disabled) {
- return false;
- }
- // ignore "submitter" types (see jQuery src/serialize.js)
- if (elt.type === "button" || elt.type === "submit" || elt.tagName === "image" || elt.tagName === "reset" || elt.tagName === "file" ) {
- return false;
- }
- if (elt.type === "checkbox" || elt.type === "radio" ) {
- return elt.checked;
- }
- return true;
- }
- function processInputValue(processed, values, errors, elt, validate) {
- if (elt == null || haveSeenNode(processed, elt)) {
- return;
- } else {
- processed.push(elt);
- }
- if (shouldInclude(elt)) {
- var name = getRawAttribute(elt,"name");
- var value = elt.value;
- if (elt.multiple) {
- value = toArray(elt.querySelectorAll("option:checked")).map(function (e) { return e.value });
- }
- // include file inputs
- if (elt.files) {
- value = toArray(elt.files);
- }
- // This is a little ugly because both the current value of the named value in the form
- // and the new value could be arrays, so we have to handle all four cases :/
- if (name != null && value != null) {
- var current = values[name];
- if(current) {
- if (Array.isArray(current)) {
- if (Array.isArray(value)) {
- values[name] = current.concat(value);
- } else {
- current.push(value);
- }
- } else {
- if (Array.isArray(value)) {
- values[name] = [current].concat(value);
- } else {
- values[name] = [current, value];
- }
- }
- } else {
- values[name] = value;
- }
- }
- if (validate) {
- validateElement(elt, errors);
- }
- }
- if (matches(elt, 'form')) {
- var inputs = elt.elements;
- forEach(inputs, function(input) {
- processInputValue(processed, values, errors, input, validate);
- });
- }
- }
- function validateElement(element, errors) {
- if (element.willValidate) {
- triggerEvent(element, "htmx:validation:validate")
- if (!element.checkValidity()) {
- errors.push({elt: element, message:element.validationMessage, validity:element.validity});
- triggerEvent(element, "htmx:validation:failed", {message:element.validationMessage, validity:element.validity})
- }
- }
- }
- /**
- * @param {HTMLElement} elt
- * @param {string} verb
- */
- function getInputValues(elt, verb) {
- var processed = [];
- var values = {};
- var formValues = {};
- var errors = [];
- var internalData = getInternalData(elt);
- // only validate when form is directly submitted and novalidate or formnovalidate are not set
- var validate = matches(elt, 'form') && elt.noValidate !== true;
- if (internalData.lastButtonClicked) {
- validate = validate && internalData.lastButtonClicked.formNoValidate !== true;
- }
- // for a non-GET include the closest form
- if (verb !== 'get') {
- processInputValue(processed, formValues, errors, closest(elt, 'form'), validate);
- }
- // include the element itself
- processInputValue(processed, values, errors, elt, validate);
- // if a button or submit was clicked last, include its value
- if (internalData.lastButtonClicked) {
- var name = getRawAttribute(internalData.lastButtonClicked,"name");
- if (name) {
- values[name] = internalData.lastButtonClicked.value;
- }
- }
- // include any explicit includes
- var includes = findAttributeTargets(elt, "hx-include");
- forEach(includes, function(node) {
- processInputValue(processed, values, errors, node, validate);
- // if a non-form is included, include any input values within it
- if (!matches(node, 'form')) {
- forEach(node.querySelectorAll(INPUT_SELECTOR), function (descendant) {
- processInputValue(processed, values, errors, descendant, validate);
- })
- }
- });
- // form values take precedence, overriding the regular values
- values = mergeObjects(values, formValues);
- return {errors:errors, values:values};
- }
- function appendParam(returnStr, name, realValue) {
- if (returnStr !== "") {
- returnStr += "&";
- }
- if (String(realValue) === "[object Object]") {
- realValue = JSON.stringify(realValue);
- }
- var s = encodeURIComponent(realValue);
- returnStr += encodeURIComponent(name) + "=" + s;
- return returnStr;
- }
- function urlEncode(values) {
- var returnStr = "";
- for (var name in values) {
- if (values.hasOwnProperty(name)) {
- var value = values[name];
- if (Array.isArray(value)) {
- forEach(value, function(v) {
- returnStr = appendParam(returnStr, name, v);
- });
- } else {
- returnStr = appendParam(returnStr, name, value);
- }
- }
- }
- return returnStr;
- }
- function makeFormData(values) {
- var formData = new FormData();
- for (var name in values) {
- if (values.hasOwnProperty(name)) {
- var value = values[name];
- if (Array.isArray(value)) {
- forEach(value, function(v) {
- formData.append(name, v);
- });
- } else {
- formData.append(name, value);
- }
- }
- }
- return formData;
- }
- //====================================================================
- // Ajax
- //====================================================================
- /**
- * @param {HTMLElement} elt
- * @param {HTMLElement} target
- * @param {string} prompt
- * @returns {Object} // TODO: Define/Improve HtmxHeaderSpecification
- */
- function getHeaders(elt, target, prompt) {
- var headers = {
- "HX-Request" : "true",
- "HX-Trigger" : getRawAttribute(elt, "id"),
- "HX-Trigger-Name" : getRawAttribute(elt, "name"),
- "HX-Target" : getAttributeValue(target, "id"),
- "HX-Current-URL" : getDocument().location.href,
- }
- getValuesForElement(elt, "hx-headers", false, headers)
- if (prompt !== undefined) {
- headers["HX-Prompt"] = prompt;
- }
- if (getInternalData(elt).boosted) {
- headers["HX-Boosted"] = "true";
- }
- return headers;
- }
- /**
- * filterValues takes an object containing form input values
- * and returns a new object that only contains keys that are
- * specified by the closest "hx-params" attribute
- * @param {Object} inputValues
- * @param {HTMLElement} elt
- * @returns {Object}
- */
- function filterValues(inputValues, elt) {
- var paramsValue = getClosestAttributeValue(elt, "hx-params");
- if (paramsValue) {
- if (paramsValue === "none") {
- return {};
- } else if (paramsValue === "*") {
- return inputValues;
- } else if(paramsValue.indexOf("not ") === 0) {
- forEach(paramsValue.substr(4).split(","), function (name) {
- name = name.trim();
- delete inputValues[name];
- });
- return inputValues;
- } else {
- var newValues = {}
- forEach(paramsValue.split(","), function (name) {
- name = name.trim();
- newValues[name] = inputValues[name];
- });
- return newValues;
- }
- } else {
- return inputValues;
- }
- }
- function isAnchorLink(elt) {
- return getRawAttribute(elt, 'href') && getRawAttribute(elt, 'href').indexOf("#") >=0
- }
- /**
- *
- * @param {HTMLElement} elt
- * @param {string} swapInfoOverride
- * @returns {import("./htmx").HtmxSwapSpecification}
- */
- function getSwapSpecification(elt, swapInfoOverride) {
- var swapInfo = swapInfoOverride ? swapInfoOverride : getClosestAttributeValue(elt, "hx-swap");
- var swapSpec = {
- "swapStyle" : getInternalData(elt).boosted ? 'innerHTML' : htmx.config.defaultSwapStyle,
- "swapDelay" : htmx.config.defaultSwapDelay,
- "settleDelay" : htmx.config.defaultSettleDelay
- }
- if (getInternalData(elt).boosted && !isAnchorLink(elt)) {
- swapSpec["show"] = "top"
- }
- if (swapInfo) {
- var split = splitOnWhitespace(swapInfo);
- if (split.length > 0) {
- swapSpec["swapStyle"] = split[0];
- for (var i = 1; i < split.length; i++) {
- var modifier = split[i];
- if (modifier.indexOf("swap:") === 0) {
- swapSpec["swapDelay"] = parseInterval(modifier.substr(5));
- }
- if (modifier.indexOf("settle:") === 0) {
- swapSpec["settleDelay"] = parseInterval(modifier.substr(7));
- }
- if (modifier.indexOf("scroll:") === 0) {
- var scrollSpec = modifier.substr(7);
- var splitSpec = scrollSpec.split(":");
- var scrollVal = splitSpec.pop();
- var selectorVal = splitSpec.length > 0 ? splitSpec.join(":") : null;
- swapSpec["scroll"] = scrollVal;
- swapSpec["scrollTarget"] = selectorVal;
- }
- if (modifier.indexOf("show:") === 0) {
- var showSpec = modifier.substr(5);
- var splitSpec = showSpec.split(":");
- var showVal = splitSpec.pop();
- var selectorVal = splitSpec.length > 0 ? splitSpec.join(":") : null;
- swapSpec["show"] = showVal;
- swapSpec["showTarget"] = selectorVal;
- }
- if (modifier.indexOf("focus-scroll:") === 0) {
- var focusScrollVal = modifier.substr("focus-scroll:".length);
- swapSpec["focusScroll"] = focusScrollVal == "true";
- }
- }
- }
- }
- return swapSpec;
- }
- function usesFormData(elt) {
- return getClosestAttributeValue(elt, "hx-encoding") === "multipart/form-data" ||
- (matches(elt, "form") && getRawAttribute(elt, 'enctype') === "multipart/form-data");
- }
- function encodeParamsForBody(xhr, elt, filteredParameters) {
- var encodedParameters = null;
- withExtensions(elt, function (extension) {
- if (encodedParameters == null) {
- encodedParameters = extension.encodeParameters(xhr, filteredParameters, elt);
- }
- });
- if (encodedParameters != null) {
- return encodedParameters;
- } else {
- if (usesFormData(elt)) {
- return makeFormData(filteredParameters);
- } else {
- return urlEncode(filteredParameters);
- }
- }
- }
- /**
- *
- * @param {Element} target
- * @returns {import("./htmx").HtmxSettleInfo}
- */
- function makeSettleInfo(target) {
- return {tasks: [], elts: [target]};
- }
- function updateScrollState(content, swapSpec) {
- var first = content[0];
- var last = content[content.length - 1];
- if (swapSpec.scroll) {
- var target = null;
- if (swapSpec.scrollTarget) {
- target = querySelectorExt(first, swapSpec.scrollTarget);
- }
- if (swapSpec.scroll === "top" && (first || target)) {
- target = target || first;
- target.scrollTop = 0;
- }
- if (swapSpec.scroll === "bottom" && (last || target)) {
- target = target || last;
- target.scrollTop = target.scrollHeight;
- }
- }
- if (swapSpec.show) {
- var target = null;
- if (swapSpec.showTarget) {
- var targetStr = swapSpec.showTarget;
- if (swapSpec.showTarget === "window") {
- targetStr = "body";
- }
- target = querySelectorExt(first, targetStr);
- }
- if (swapSpec.show === "top" && (first || target)) {
- target = target || first;
- target.scrollIntoView({block:'start', behavior: htmx.config.scrollBehavior});
- }
- if (swapSpec.show === "bottom" && (last || target)) {
- target = target || last;
- target.scrollIntoView({block:'end', behavior: htmx.config.scrollBehavior});
- }
- }
- }
- /**
- * @param {HTMLElement} elt
- * @param {string} attr
- * @param {boolean=} evalAsDefault
- * @param {Object=} values
- * @returns {Object}
- */
- function getValuesForElement(elt, attr, evalAsDefault, values) {
- if (values == null) {
- values = {};
- }
- if (elt == null) {
- return values;
- }
- var attributeValue = getAttributeValue(elt, attr);
- if (attributeValue) {
- var str = attributeValue.trim();
- var evaluateValue = evalAsDefault;
- if (str.indexOf("javascript:") === 0) {
- str = str.substr(11);
- evaluateValue = true;
- } else if (str.indexOf("js:") === 0) {
- str = str.substr(3);
- evaluateValue = true;
- }
- if (str.indexOf('{') !== 0) {
- str = "{" + str + "}";
- }
- var varsValues;
- if (evaluateValue) {
- varsValues = maybeEval(elt,function () {return Function("return (" + str + ")")();}, {});
- } else {
- varsValues = parseJSON(str);
- }
- for (var key in varsValues) {
- if (varsValues.hasOwnProperty(key)) {
- if (values[key] == null) {
- values[key] = varsValues[key];
- }
- }
- }
- }
- return getValuesForElement(parentElt(elt), attr, evalAsDefault, values);
- }
- function maybeEval(elt, toEval, defaultVal) {
- if (htmx.config.allowEval) {
- return toEval();
- } else {
- triggerErrorEvent(elt, 'htmx:evalDisallowedError');
- return defaultVal;
- }
- }
- /**
- * @param {HTMLElement} elt
- * @param {*} expressionVars
- * @returns
- */
- function getHXVarsForElement(elt, expressionVars) {
- return getValuesForElement(elt, "hx-vars", true, expressionVars);
- }
- /**
- * @param {HTMLElement} elt
- * @param {*} expressionVars
- * @returns
- */
- function getHXValsForElement(elt, expressionVars) {
- return getValuesForElement(elt, "hx-vals", false, expressionVars);
- }
- /**
- * @param {HTMLElement} elt
- * @returns {Object}
- */
- function getExpressionVars(elt) {
- return mergeObjects(getHXVarsForElement(elt), getHXValsForElement(elt));
- }
- function safelySetHeaderValue(xhr, header, headerValue) {
- if (headerValue !== null) {
- try {
- xhr.setRequestHeader(header, headerValue);
- } catch (e) {
- // On an exception, try to set the header URI encoded instead
- xhr.setRequestHeader(header, encodeURIComponent(headerValue));
- xhr.setRequestHeader(header + "-URI-AutoEncoded", "true");
- }
- }
- }
- function getPathFromResponse(xhr) {
- // NB: IE11 does not support this stuff
- if (xhr.responseURL && typeof(URL) !== "undefined") {
- try {
- var url = new URL(xhr.responseURL);
- return url.pathname + url.search;
- } catch (e) {
- triggerErrorEvent(getDocument().body, "htmx:badResponseUrl", {url: xhr.responseURL});
- }
- }
- }
- function hasHeader(xhr, regexp) {
- return xhr.getAllResponseHeaders().match(regexp);
- }
- function ajaxHelper(verb, path, context) {
- verb = verb.toLowerCase();
- if (context) {
- if (context instanceof Element || isType(context, 'String')) {
- return issueAjaxRequest(verb, path, null, null, {
- targetOverride: resolveTarget(context),
- returnPromise: true
- });
- } else {
- return issueAjaxRequest(verb, path, resolveTarget(context.source), context.event,
- {
- handler : context.handler,
- headers : context.headers,
- values : context.values,
- targetOverride: resolveTarget(context.target),
- swapOverride: context.swap,
- returnPromise: true
- });
- }
- } else {
- return issueAjaxRequest(verb, path, null, null, {
- returnPromise: true
- });
- }
- }
- function hierarchyForElt(elt) {
- var arr = [];
- while (elt) {
- arr.push(elt);
- elt = elt.parentElement;
- }
- return arr;
- }
- function issueAjaxRequest(verb, path, elt, event, etc) {
- var resolve = null;
- var reject = null;
- etc = etc != null ? etc : {};
- if(etc.returnPromise && typeof Promise !== "undefined"){
- var promise = new Promise(function (_resolve, _reject) {
- resolve = _resolve;
- reject = _reject;
- });
- }
- if(elt == null) {
- elt = getDocument().body;
- }
- var responseHandler = etc.handler || handleAjaxResponse;
- if (!bodyContains(elt)) {
- return; // do not issue requests for elements removed from the DOM
- }
- var target = etc.targetOverride || getTarget(elt);
- if (target == null || target == DUMMY_ELT) {
- triggerErrorEvent(elt, 'htmx:targetError', {target: getAttributeValue(elt, "hx-target")});
- return;
- }
- var syncElt = elt;
- var eltData = getInternalData(elt);
- var syncStrategy = getClosestAttributeValue(elt, "hx-sync");
- var queueStrategy = null;
- var abortable = false;
- if (syncStrategy) {
- var syncStrings = syncStrategy.split(":");
- var selector = syncStrings[0].trim();
- if (selector === "this") {
- syncElt = findThisElement(elt, 'hx-sync');
- } else {
- syncElt = querySelectorExt(elt, selector);
- }
- // default to the drop strategy
- syncStrategy = (syncStrings[1] || 'drop').trim();
- eltData = getInternalData(syncElt);
- if (syncStrategy === "drop" && eltData.xhr && eltData.abortable !== true) {
- return;
- } else if (syncStrategy === "abort") {
- if (eltData.xhr) {
- return;
- } else {
- abortable = true;
- }
- } else if (syncStrategy === "replace") {
- triggerEvent(syncElt, 'htmx:abort'); // abort the current request and continue
- } else if (syncStrategy.indexOf("queue") === 0) {
- var queueStrArray = syncStrategy.split(" ");
- queueStrategy = (queueStrArray[1] || "last").trim();
- }
- }
- if (eltData.xhr) {
- if (eltData.abortable) {
- triggerEvent(syncElt, 'htmx:abort'); // abort the current request and continue
- } else {
- if(queueStrategy == null){
- if (event) {
- var eventData = getInternalData(event);
- if (eventData && eventData.triggerSpec && eventData.triggerSpec.queue) {
- queueStrategy = eventData.triggerSpec.queue;
- }
- }
- if (queueStrategy == null) {
- queueStrategy = "last";
- }
- }
- if (eltData.queuedRequests == null) {
- eltData.queuedRequests = [];
- }
- if (queueStrategy === "first" && eltData.queuedRequests.length === 0) {
- eltData.queuedRequests.push(function () {
- issueAjaxRequest(verb, path, elt, event, etc)
- });
- } else if (queueStrategy === "all") {
- eltData.queuedRequests.push(function () {
- issueAjaxRequest(verb, path, elt, event, etc)
- });
- } else if (queueStrategy === "last") {
- eltData.queuedRequests = []; // dump existing queue
- eltData.queuedRequests.push(function () {
- issueAjaxRequest(verb, path, elt, event, etc)
- });
- }
- return;
- }
- }
- var xhr = new XMLHttpRequest();
- eltData.xhr = xhr;
- eltData.abortable = abortable;
- var endRequestLock = function(){
- eltData.xhr = null;
- eltData.abortable = false;
- if (eltData.queuedRequests != null &&
- eltData.queuedRequests.length > 0) {
- var queuedRequest = eltData.queuedRequests.shift();
- queuedRequest();
- }
- }
- var promptQuestion = getClosestAttributeValue(elt, "hx-prompt");
- if (promptQuestion) {
- var promptResponse = prompt(promptQuestion);
- // prompt returns null if cancelled and empty string if accepted with no entry
- if (promptResponse === null ||
- !triggerEvent(elt, 'htmx:prompt', {prompt: promptResponse, target:target})) {
- maybeCall(resolve);
- endRequestLock();
- return promise;
- }
- }
- var confirmQuestion = getClosestAttributeValue(elt, "hx-confirm");
- if (confirmQuestion) {
- if(!confirm(confirmQuestion)) {
- maybeCall(resolve);
- endRequestLock()
- return promise;
- }
- }
- var headers = getHeaders(elt, target, promptResponse);
- if (etc.headers) {
- headers = mergeObjects(headers, etc.headers);
- }
- var results = getInputValues(elt, verb);
- var errors = results.errors;
- var rawParameters = results.values;
- if (etc.values) {
- rawParameters = mergeObjects(rawParameters, etc.values);
- }
- var expressionVars = getExpressionVars(elt);
- var allParameters = mergeObjects(rawParameters, expressionVars);
- var filteredParameters = filterValues(allParameters, elt);
- if (verb !== 'get' && !usesFormData(elt)) {
- headers['Content-Type'] = 'application/x-www-form-urlencoded';
- }
- // behavior of anchors w/ empty href is to use the current URL
- if (path == null || path === "") {
- path = getDocument().location.href;
- }
- var requestAttrValues = getValuesForElement(elt, 'hx-request');
- var requestConfig = {
- parameters: filteredParameters,
- unfilteredParameters: allParameters,
- headers:headers,
- target:target,
- verb:verb,
- errors:errors,
- withCredentials: etc.credentials || requestAttrValues.credentials || htmx.config.withCredentials,
- timeout: etc.timeout || requestAttrValues.timeout || htmx.config.timeout,
- path:path,
- triggeringEvent:event
- };
- if(!triggerEvent(elt, 'htmx:configRequest', requestConfig)){
- maybeCall(resolve);
- endRequestLock();
- return promise;
- }
- // copy out in case the object was overwritten
- path = requestConfig.path;
- verb = requestConfig.verb;
- headers = requestConfig.headers;
- filteredParameters = requestConfig.parameters;
- errors = requestConfig.errors;
- if(errors && errors.length > 0){
- triggerEvent(elt, 'htmx:validation:halted', requestConfig)
- maybeCall(resolve);
- endRequestLock();
- return promise;
- }
- var splitPath = path.split("#");
- var pathNoAnchor = splitPath[0];
- var anchor = splitPath[1];
- var finalPathForGet = null;
- if (verb === 'get') {
- finalPathForGet = pathNoAnchor;
- var values = Object.keys(filteredParameters).length !== 0;
- if (values) {
- if (finalPathForGet.indexOf("?") < 0) {
- finalPathForGet += "?";
- } else {
- finalPathForGet += "&";
- }
- finalPathForGet += urlEncode(filteredParameters);
- if (anchor) {
- finalPathForGet += "#" + anchor;
- }
- }
- xhr.open('GET', finalPathForGet, true);
- } else {
- xhr.open(verb.toUpperCase(), path, true);
- }
- xhr.overrideMimeType("text/html");
- xhr.withCredentials = requestConfig.withCredentials;
- xhr.timeout = requestConfig.timeout;
- // request headers
- if (requestAttrValues.noHeaders) {
- // ignore all headers
- } else {
- for (var header in headers) {
- if (headers.hasOwnProperty(header)) {
- var headerValue = headers[header];
- safelySetHeaderValue(xhr, header, headerValue);
- }
- }
- }
- var responseInfo = {
- xhr: xhr, target: target, requestConfig: requestConfig, etc: etc,
- pathInfo: {
- requestPath: path,
- finalRequestPath: finalPathForGet || path,
- anchor: anchor
- }
- };
- xhr.onload = function () {
- try {
- var hierarchy = hierarchyForElt(elt);
- responseInfo.pathInfo.responsePath = getPathFromResponse(xhr);
- responseHandler(elt, responseInfo);
- removeRequestIndicatorClasses(indicators);
- triggerEvent(elt, 'htmx:afterRequest', responseInfo);
- triggerEvent(elt, 'htmx:afterOnLoad', responseInfo);
- // if the body no longer contains the element, trigger the even on the closest parent
- // remaining in the DOM
- if (!bodyContains(elt)) {
- var secondaryTriggerElt = null;
- while (hierarchy.length > 0 && secondaryTriggerElt == null) {
- var parentEltInHierarchy = hierarchy.shift();
- if (bodyContains(parentEltInHierarchy)) {
- secondaryTriggerElt = parentEltInHierarchy;
- }
- }
- if (secondaryTriggerElt) {
- triggerEvent(secondaryTriggerElt, 'htmx:afterRequest', responseInfo);
- triggerEvent(secondaryTriggerElt, 'htmx:afterOnLoad', responseInfo);
- }
- }
- maybeCall(resolve);
- endRequestLock();
- } catch (e) {
- triggerErrorEvent(elt, 'htmx:onLoadError', mergeObjects({error:e}, responseInfo));
- throw e;
- }
- }
- xhr.onerror = function () {
- removeRequestIndicatorClasses(indicators);
- triggerErrorEvent(elt, 'htmx:afterRequest', responseInfo);
- triggerErrorEvent(elt, 'htmx:sendError', responseInfo);
- maybeCall(reject);
- endRequestLock();
- }
- xhr.onabort = function() {
- removeRequestIndicatorClasses(indicators);
- triggerErrorEvent(elt, 'htmx:afterRequest', responseInfo);
- triggerErrorEvent(elt, 'htmx:sendAbort', responseInfo);
- maybeCall(reject);
- endRequestLock();
- }
- xhr.ontimeout = function() {
- removeRequestIndicatorClasses(indicators);
- triggerErrorEvent(elt, 'htmx:afterRequest', responseInfo);
- triggerErrorEvent(elt, 'htmx:timeout', responseInfo);
- maybeCall(reject);
- endRequestLock();
- }
- if(!triggerEvent(elt, 'htmx:beforeRequest', responseInfo)){
- maybeCall(resolve);
- endRequestLock()
- return promise
- }
- var indicators = addRequestIndicatorClasses(elt);
- forEach(['loadstart', 'loadend', 'progress', 'abort'], function(eventName) {
- forEach([xhr, xhr.upload], function (target) {
- target.addEventListener(eventName, function(event){
- triggerEvent(elt, "htmx:xhr:" + eventName, {
- lengthComputable:event.lengthComputable,
- loaded:event.loaded,
- total:event.total
- });
- })
- });
- });
- triggerEvent(elt, 'htmx:beforeSend', responseInfo);
- xhr.send(verb === 'get' ? null : encodeParamsForBody(xhr, elt, filteredParameters));
- return promise;
- }
- function determineHistoryUpdates(elt, responseInfo) {
- var xhr = responseInfo.xhr;
- //===========================================
- // First consult response headers
- //===========================================
- var pathFromHeaders = null;
- var typeFromHeaders = null;
- if (hasHeader(xhr,/HX-Push:/i)) {
- pathFromHeaders = xhr.getResponseHeader("HX-Push");
- typeFromHeaders = "push";
- } else if (hasHeader(xhr,/HX-Push-Url:/i)) {
- pathFromHeaders = xhr.getResponseHeader("HX-Push-Url");
- typeFromHeaders = "push";
- } else if (hasHeader(xhr,/HX-Replace-Url:/i)) {
- pathFromHeaders = xhr.getResponseHeader("HX-Replace-Url");
- typeFromHeaders = "replace";
- }
- // if there was a response header, that has priority
- if (pathFromHeaders) {
- if (pathFromHeaders === "false") {
- return {}
- } else {
- return {
- type: typeFromHeaders,
- path : pathFromHeaders
- }
- }
- }
- //===========================================
- // Next resolve via DOM values
- //===========================================
- var requestPath = responseInfo.pathInfo.finalRequestPath;
- var responsePath = responseInfo.pathInfo.responsePath;
- var pushUrl = getClosestAttributeValue(elt, "hx-push-url");
- var replaceUrl = getClosestAttributeValue(elt, "hx-replace-url");
- var elementIsBoosted = getInternalData(elt).boosted;
- var saveType = null;
- var path = null;
- if (pushUrl) {
- saveType = "push";
- path = pushUrl;
- } else if (replaceUrl) {
- saveType = "replace";
- path = replaceUrl;
- } else if (elementIsBoosted) {
- saveType = "push";
- path = responsePath || requestPath; // if there is no response path, go with the original request path
- }
- if (path) {
- // false indicates no push, return empty object
- if (path === "false") {
- return {};
- }
- // true indicates we want to follow wherever the server ended up sending us
- if (path === "true") {
- path = responsePath || requestPath; // if there is no response path, go with the original request path
- }
- // restore any anchor associated with the request
- if (responseInfo.pathInfo.anchor &&
- path.indexOf("#") === -1) {
- path = path + "#" + responseInfo.pathInfo.anchor;
- }
- return {
- type:saveType,
- path: path
- }
- } else {
- return {};
- }
- }
- function handleAjaxResponse(elt, responseInfo) {
- var xhr = responseInfo.xhr;
- var target = responseInfo.target;
- var etc = responseInfo.etc;
- if (!triggerEvent(elt, 'htmx:beforeOnLoad', responseInfo)) return;
- if (hasHeader(xhr, /HX-Trigger:/i)) {
- handleTrigger(xhr, "HX-Trigger", elt);
- }
- if (hasHeader(xhr, /HX-Location:/i)) {
- saveCurrentPageToHistory();
- var redirectPath = xhr.getResponseHeader("HX-Location");
- var swapSpec;
- if (redirectPath.indexOf("{") === 0) {
- swapSpec = parseJSON(redirectPath);
- // what's the best way to throw an error if the user didn't include this
- redirectPath = swapSpec['path'];
- delete swapSpec['path'];
- }
- ajaxHelper('GET', redirectPath, swapSpec).then(() =>{
- pushUrlIntoHistory(redirectPath);
- });
- return;
- }
- if (hasHeader(xhr, /HX-Redirect:/i)) {
- location.href = xhr.getResponseHeader("HX-Redirect");
- return;
- }
- if (hasHeader(xhr,/HX-Refresh:/i)) {
- if ("true" === xhr.getResponseHeader("HX-Refresh")) {
- location.reload();
- return;
- }
- }
- if (hasHeader(xhr,/HX-Retarget:/i)) {
- responseInfo.target = getDocument().querySelector(xhr.getResponseHeader("HX-Retarget"));
- }
- var historyUpdate = determineHistoryUpdates(elt, responseInfo);
- // by default htmx only swaps on 200 return codes and does not swap
- // on 204 'No Content'
- // this can be ovverriden by responding to the htmx:beforeSwap event and
- // overriding the detail.shouldSwap property
- var shouldSwap = xhr.status >= 200 && xhr.status < 400 && xhr.status !== 204;
- var serverResponse = xhr.response;
- var isError = xhr.status >= 400;
- var beforeSwapDetails = mergeObjects({shouldSwap: shouldSwap, serverResponse:serverResponse, isError:isError}, responseInfo);
- if (!triggerEvent(target, 'htmx:beforeSwap', beforeSwapDetails)) return;
- target = beforeSwapDetails.target; // allow re-targeting
- serverResponse = beforeSwapDetails.serverResponse; // allow updating content
- isError = beforeSwapDetails.isError; // allow updating error
- responseInfo.failed = isError; // Make failed property available to response events
- responseInfo.successful = !isError; // Make successful property available to response events
- if (beforeSwapDetails.shouldSwap) {
- if (xhr.status === 286) {
- cancelPolling(elt);
- }
- withExtensions(elt, function (extension) {
- serverResponse = extension.transformResponse(serverResponse, xhr, elt);
- });
- // Save current page if there will be a history update
- if (historyUpdate.type) {
- saveCurrentPageToHistory();
- }
- var swapOverride = etc.swapOverride;
- if (hasHeader(xhr,/HX-Reswap:/i)) {
- swapOverride = xhr.getResponseHeader("HX-Reswap");
- }
- var swapSpec = getSwapSpecification(elt, swapOverride);
- target.classList.add(htmx.config.swappingClass);
- var doSwap = function () {
- try {
- var activeElt = document.activeElement;
- var selectionInfo = {};
- try {
- selectionInfo = {
- elt: activeElt,
- // @ts-ignore
- start: activeElt ? activeElt.selectionStart : null,
- // @ts-ignore
- end: activeElt ? activeElt.selectionEnd : null
- };
- } catch (e) {
- // safari issue - see https://github.com/microsoft/playwright/issues/5894
- }
- var settleInfo = makeSettleInfo(target);
- selectAndSwap(swapSpec.swapStyle, target, elt, serverResponse, settleInfo);
- if (selectionInfo.elt &&
- !bodyContains(selectionInfo.elt) &&
- selectionInfo.elt.id) {
- var newActiveElt = document.getElementById(selectionInfo.elt.id);
- var focusOptions = { preventScroll: swapSpec.focusScroll !== undefined ? !swapSpec.focusScroll : !htmx.config.defaultFocusScroll };
- if (newActiveElt) {
- // @ts-ignore
- if (selectionInfo.start && newActiveElt.setSelectionRange) {
- // @ts-ignore
- newActiveElt.setSelectionRange(selectionInfo.start, selectionInfo.end);
- }
- newActiveElt.focus(focusOptions);
- }
- }
- target.classList.remove(htmx.config.swappingClass);
- forEach(settleInfo.elts, function (elt) {
- if (elt.classList) {
- elt.classList.add(htmx.config.settlingClass);
- }
- triggerEvent(elt, 'htmx:afterSwap', responseInfo);
- });
- if (hasHeader(xhr, /HX-Trigger-After-Swap:/i)) {
- var finalElt = elt;
- if (!bodyContains(elt)) {
- finalElt = getDocument().body;
- }
- handleTrigger(xhr, "HX-Trigger-After-Swap", finalElt);
- }
- var doSettle = function () {
- forEach(settleInfo.tasks, function (task) {
- task.call();
- });
- forEach(settleInfo.elts, function (elt) {
- if (elt.classList) {
- elt.classList.remove(htmx.config.settlingClass);
- }
- triggerEvent(elt, 'htmx:afterSettle', responseInfo);
- });
- // if we need to save history, do so
- if (historyUpdate.type) {
- if (historyUpdate.type === "push") {
- pushUrlIntoHistory(historyUpdate.path);
- triggerEvent(getDocument().body, 'htmx:pushedIntoHistory', {path: historyUpdate.path});
- } else {
- replaceUrlInHistory(historyUpdate.path);
- triggerEvent(getDocument().body, 'htmx:replacedInHistory', {path: historyUpdate.path});
- }
- }
- if (responseInfo.pathInfo.anchor) {
- var anchorTarget = find("#" + responseInfo.pathInfo.anchor);
- if(anchorTarget) {
- anchorTarget.scrollIntoView({block:'start', behavior: "auto"});
- }
- }
- if(settleInfo.title) {
- var titleElt = find("title");
- if(titleElt) {
- titleElt.innerHTML = settleInfo.title;
- } else {
- window.document.title = settleInfo.title;
- }
- }
- updateScrollState(settleInfo.elts, swapSpec);
- if (hasHeader(xhr, /HX-Trigger-After-Settle:/i)) {
- var finalElt = elt;
- if (!bodyContains(elt)) {
- finalElt = getDocument().body;
- }
- handleTrigger(xhr, "HX-Trigger-After-Settle", finalElt);
- }
- }
- if (swapSpec.settleDelay > 0) {
- setTimeout(doSettle, swapSpec.settleDelay)
- } else {
- doSettle();
- }
- } catch (e) {
- triggerErrorEvent(elt, 'htmx:swapError', responseInfo);
- throw e;
- }
- };
- if (swapSpec.swapDelay > 0) {
- setTimeout(doSwap, swapSpec.swapDelay)
- } else {
- doSwap();
- }
- }
- if (isError) {
- triggerErrorEvent(elt, 'htmx:responseError', mergeObjects({error: "Response Status Error Code " + xhr.status + " from " + responseInfo.pathInfo.path}, responseInfo));
- }
- }
- //====================================================================
- // Extensions API
- //====================================================================
- /** @type {Object<string, import("./htmx").HtmxExtension>} */
- var extensions = {};
- /**
- * extensionBase defines the default functions for all extensions.
- * @returns {import("./htmx").HtmxExtension}
- */
- function extensionBase() {
- return {
- init: function(api) {return null;},
- onEvent : function(name, evt) {return true;},
- transformResponse : function(text, xhr, elt) {return text;},
- isInlineSwap : function(swapStyle) {return false;},
- handleSwap : function(swapStyle, target, fragment, settleInfo) {return false;},
- encodeParameters : function(xhr, parameters, elt) {return null;}
- }
- }
- /**
- * defineExtension initializes the extension and adds it to the htmx registry
- *
- * @param {string} name
- * @param {import("./htmx").HtmxExtension} extension
- */
- function defineExtension(name, extension) {
- if(extension.init) {
- extension.init(internalAPI)
- }
- extensions[name] = mergeObjects(extensionBase(), extension);
- }
- /**
- * removeExtension removes an extension from the htmx registry
- *
- * @param {string} name
- */
- function removeExtension(name) {
- delete extensions[name];
- }
- /**
- * getExtensions searches up the DOM tree to return all extensions that can be applied to a given element
- *
- * @param {HTMLElement} elt
- * @param {import("./htmx").HtmxExtension[]=} extensionsToReturn
- * @param {import("./htmx").HtmxExtension[]=} extensionsToIgnore
- */
- function getExtensions(elt, extensionsToReturn, extensionsToIgnore) {
- if (elt == undefined) {
- return extensionsToReturn;
- }
- if (extensionsToReturn == undefined) {
- extensionsToReturn = [];
- }
- if (extensionsToIgnore == undefined) {
- extensionsToIgnore = [];
- }
- var extensionsForElement = getAttributeValue(elt, "hx-ext");
- if (extensionsForElement) {
- forEach(extensionsForElement.split(","), function(extensionName){
- extensionName = extensionName.replace(/ /g, '');
- if (extensionName.slice(0, 7) == "ignore:") {
- extensionsToIgnore.push(extensionName.slice(7));
- return;
- }
- if (extensionsToIgnore.indexOf(extensionName) < 0) {
- var extension = extensions[extensionName];
- if (extension && extensionsToReturn.indexOf(extension) < 0) {
- extensionsToReturn.push(extension);
- }
- }
- });
- }
- return getExtensions(parentElt(elt), extensionsToReturn, extensionsToIgnore);
- }
- //====================================================================
- // Initialization
- //====================================================================
- function ready(fn) {
- if (getDocument().readyState !== 'loading') {
- fn();
- } else {
- getDocument().addEventListener('DOMContentLoaded', fn);
- }
- }
- function insertIndicatorStyles() {
- if (htmx.config.includeIndicatorStyles !== false) {
- getDocument().head.insertAdjacentHTML("beforeend",
- "<style>\
- ." + htmx.config.indicatorClass + "{opacity:0;transition: opacity 200ms ease-in;}\
- ." + htmx.config.requestClass + " ." + htmx.config.indicatorClass + "{opacity:1}\
- ." + htmx.config.requestClass + "." + htmx.config.indicatorClass + "{opacity:1}\
- </style>");
- }
- }
- function getMetaConfig() {
- var element = getDocument().querySelector('meta[name="htmx-config"]');
- if (element) {
- // @ts-ignore
- return parseJSON(element.content);
- } else {
- return null;
- }
- }
- function mergeMetaConfig() {
- var metaConfig = getMetaConfig();
- if (metaConfig) {
- htmx.config = mergeObjects(htmx.config , metaConfig)
- }
- }
- // initialize the document
- ready(function () {
- mergeMetaConfig();
- insertIndicatorStyles();
- var body = getDocument().body;
- processNode(body);
- var restoredElts = getDocument().querySelectorAll(
- "[hx-trigger='restored'],[data-hx-trigger='restored']"
- );
- body.addEventListener("htmx:abort", function (evt) {
- var target = evt.target;
- var internalData = getInternalData(target);
- if (internalData && internalData.xhr) {
- internalData.xhr.abort();
- }
- });
- window.onpopstate = function (event) {
- if (event.state && event.state.htmx) {
- restoreHistory();
- forEach(restoredElts, function(elt){
- triggerEvent(elt, 'htmx:restored', {
- 'document': getDocument(),
- 'triggerEvent': triggerEvent
- });
- });
- }
- };
- setTimeout(function () {
- triggerEvent(body, 'htmx:load', {}); // give ready handlers a chance to load up before firing this event
- }, 0);
- })
- return htmx;
- }
- )()
- }));
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