100 lines
2.2 KiB
JavaScript
100 lines
2.2 KiB
JavaScript
var on = require("../events/on");
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var clone = require("../util/clone");
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var attrState = "data-pjax-state";
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var linkAction = function(el, event) {
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if (isDefaultPrevented(event)) {
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return;
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}
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// Since loadUrl modifies options and we may add our own modifications below,
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// clone it so the changes don't persist
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var options = clone(this.options);
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var attrValue = checkIfShouldAbort(el, event);
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if (attrValue) {
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el.setAttribute(attrState, attrValue);
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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(attrState, "reload");
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this.reload();
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return;
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}
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el.setAttribute(attrState, "load");
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options.triggerElement = el;
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this.loadUrl(el.href, options);
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};
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function checkIfShouldAbort(el, event) {
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// Don’t break browser special behavior on links (like page in new window)
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if (
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event.which > 1 ||
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event.metaKey ||
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event.ctrlKey ||
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event.shiftKey ||
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event.altKey
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) {
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return "modifier";
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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 (
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el.protocol !== window.location.protocol ||
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el.host !== window.location.host
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) {
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return "external";
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}
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// Ignore anchors on the same page (keep native behavior)
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if (
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el.hash &&
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el.href.replace(el.hash, "") ===
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window.location.href.replace(location.hash, "")
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) {
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return "anchor";
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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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return "anchor-empty";
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}
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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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el.setAttribute(attrState, "");
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on(el, "click", function(event) {
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linkAction.call(that, el, event);
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});
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on(
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el,
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"keyup",
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function(event) {
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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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};
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