zulip/zephyr/static/js/setup.js

47 lines
1.6 KiB
JavaScript

// Miscellaneous early setup.
// This is the first of our Javascript files to be included.
var loading_spinner;
var templates = {};
var csrf_token;
$(function () {
// Display loading indicator. This disappears after the first
// get_updates completes.
if (have_initial_messages) {
loading_spinner = new Spinner().spin($('#loading_spinner')[0]);
} else {
$('#loading_indicator').hide();
}
// Compile Handlebars templates.
$.each(['message', 'subscription',
'userinfo_popover_title', 'userinfo_popover_content',
'timeinfo_popover_content'],
function (index, name) {
templates[name] = Handlebars.compile($('#template_'+name).html());
}
);
// This requires that we used Django's {% csrf_token %} somewhere on the page.
csrf_token = $('input[name="csrfmiddlewaretoken"]').attr('value');
$.ajaxSetup({
beforeSend: function (xhr, settings) {
if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
// Only send the token to relative URLs i.e. locally.
xhr.setRequestHeader("X-CSRFToken", csrf_token);
}
}
});
// For some reason, jQuery wants this to be attached to an element.
$('body').ajaxError(function (event, xhr) {
if (xhr.status === 401) {
// We got logged out somehow, perhaps from another window or a session timeout.
// We could display an error message, but jumping right to the login page seems
// smoother and conveys the same information.
window.location.replace('/accounts/login');
}
});
});