zulip/static/js/templates.js

53 lines
1.6 KiB
JavaScript

var templates = (function () {
var exports = {};
exports.render = function (name, arg) {
if (Handlebars.templates === undefined) {
throw "Cannot find compiled templates!";
}
// The templates should be compiled into compiled.js. In
// prod we build compiled.js as part of the deployment process,
// and for devs we have run_dev.py build compiled.js when templates
// change.
return Handlebars.templates[name](arg);
};
// We don't want to wait for DOM ready to register the Handlebars helpers
// below. There's no need to, as they do not access the DOM.
// Furthermore, waiting for DOM ready would introduce race conditions with
// other DOM-ready callbacks that attempt to render templates.
// Regular Handlebars partials require pre-registering. This allows us
// to treat any template as a partial.
Handlebars.registerHelper('partial', function (template_name, context) {
return new Handlebars.SafeString(exports.render(template_name, this));
});
Handlebars.registerHelper('plural', function (condition, one, other) {
return (condition === 1) ? one : other;
});
Handlebars.registerHelper('if_and', function () {
// Execute the conditional code if all conditions are true.
// Example usage:
// {{#if_and cond1 cond2 cond3}}
// <p>All true</p>
// {{/if_and}}
var options = arguments[arguments.length - 1];
var i;
for (i = 0; i < arguments.length - 1; i++) {
if (!arguments[i]) {
return options.inverse(this);
}
}
return options.fn(this);
});
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = templates;
}