mirror of https://github.com/zulip/zulip.git
86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
var templates = (function () {
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var exports = {};
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// Below, we register Zulip-specific extensions to the handlebars API.
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//
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// IMPORTANT: When adding a new handlebars helper, update the
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// knownHelpers array in the webpack config so that webpack knows your
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// helper is registered at runtime and don't try to require them when
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// bundling.
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// We don't want to wait for DOM ready to register the Handlebars helpers
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// below. There's no need to, as they do not access the DOM.
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// Furthermore, waiting for DOM ready would introduce race conditions with
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// other DOM-ready callbacks that attempt to render templates.
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Handlebars.registerHelper('plural', function (condition, one, other) {
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return condition === 1 ? one : other;
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});
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Handlebars.registerHelper({
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eq: function (a, b) { return a === b; },
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and: function () {
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// last argument is Handlebars options
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if (arguments.length < 2) {
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return true;
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}
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var i;
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for (i = 0; i < arguments.length - 2; i += 1) {
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if (!arguments[i] || Handlebars.Utils.isEmpty(arguments[i])) {
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return arguments[i];
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}
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}
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return arguments[i];
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},
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or: function () {
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// last argument is Handlebars options
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if (arguments.length < 2) {
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return false;
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}
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var i;
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for (i = 0; i < arguments.length - 2; i += 1) {
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if (arguments[i] && !Handlebars.Utils.isEmpty(arguments[i])) {
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return arguments[i];
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}
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}
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return arguments[i];
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},
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not: function (a) { return !a || Handlebars.Utils.isEmpty(a); },
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});
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Handlebars.registerHelper('t', function (i18n_key) {
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// Marks a string for translation.
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// Example usage:
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// {{t "some English text"}}
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var result = i18n.t(i18n_key);
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return new Handlebars.SafeString(result);
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});
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Handlebars.registerHelper('tr', function (context, options) {
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// Marks a block for translation.
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// Example usage 1:
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// {{#tr context}}
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// <p>some English text</p>
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// {{/tr}}
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//
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// Example usage 2:
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// {{#tr context}}
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// <p>This __variable__ will get value from context</p>
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// {{/tr}}
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//
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// Notes:
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// 1. `context` is very important. It can be `this` or an
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// object or key of the current context.
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// 2. Use `__` instead of `{{` and `}}` to declare expressions
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var result = i18n.t(options.fn(context), context);
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return new Handlebars.SafeString(result);
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});
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return exports;
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}());
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if (typeof module !== 'undefined') {
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module.exports = templates;
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}
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window.templates = templates;
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