90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
require("../polyfills/Function.prototype.bind")
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var on = require("../events/on")
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var clone = require("../clone")
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var attrClick = "data-pjax-click-state"
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var attrKey = "data-pjax-keyup-state"
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var linkAction = function(el, event) {
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// Don’t break browser special behavior on links (like page in new window)
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if (event.which > 1 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey) {
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el.setAttribute(attrClick, "modifier")
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return
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}
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// we do test on href now to prevent unexpected behavior if for some reason
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// user have href that can be dynamically updated
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// Ignore external links.
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if (el.protocol !== window.location.protocol || el.host !== window.location.host) {
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el.setAttribute(attrClick, "external")
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return
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}
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// Ignore click if we are on an anchor on the same page
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if (el.pathname === window.location.pathname && el.hash.length > 0) {
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el.setAttribute(attrClick, "anchor-present")
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return
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}
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// Ignore anchors on the same page (keep native behavior)
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if (el.hash && el.href.replace(el.hash, "") === window.location.href.replace(location.hash, "")) {
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el.setAttribute(attrClick, "anchor")
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return
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}
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// Ignore empty anchor "foo.html#"
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if (el.href === window.location.href.split("#")[0] + "#") {
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el.setAttribute(attrClick, "anchor-empty")
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return
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}
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event.preventDefault()
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// don’t do "nothing" if user try to reload the page by clicking the same link twice
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if (
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this.options.currentUrlFullReload &&
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el.href === window.location.href.split("#")[0]
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) {
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el.setAttribute(attrClick, "reload")
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this.reload()
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return
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}
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el.setAttribute(attrClick, "load")
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this.loadUrl(el.href, clone(this.options))
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}
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var isDefaultPrevented = function(event) {
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return event.defaultPrevented || event.returnValue === false;
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}
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module.exports = function(el) {
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var that = this
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on(el, "click", function(event) {
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if (isDefaultPrevented(event)) {
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return
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}
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linkAction.call(that, el, event)
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})
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on(el, "keyup", function(event) {
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if (isDefaultPrevented(event)) {
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return
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}
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// Don’t break browser special behavior on links (like page in new window)
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if (event.which > 1 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey) {
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el.setAttribute(attrKey, "modifier")
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return
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}
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if (event.keyCode == 13) {
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linkAction.call(that, el, event)
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}
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}.bind(this))
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}
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