53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
import { get } from 'discourse/lib/raw-handlebars';
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// `Ember.Helper` is only available in versions after 1.12
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export function htmlHelper(fn) {
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if (Ember.Helper) {
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return Ember.Helper.helper(function() {
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return new Handlebars.SafeString(fn.apply(this, Array.prototype.slice.call(arguments)) || '');
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});
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} else {
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return Ember.Handlebars.makeBoundHelper(function() {
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return new Handlebars.SafeString(fn.apply(this, Array.prototype.slice.call(arguments)) || '');
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});
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}
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}
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export function registerHelper(name, fn) {
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Ember.HTMLBars._registerHelper(name, fn);
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}
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function resolveParams(ctx, options) {
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let params = {};
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const hash = options.hash;
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if (hash) {
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if (options.hashTypes) {
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Object.keys(hash).forEach(function(k) {
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const type = options.hashTypes[k];
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if (type === "STRING" || type === "StringLiteral") {
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params[k] = hash[k];
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} else if (type === "ID" || type === "PathExpression") {
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params[k] = get(ctx, hash[k], options);
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}
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});
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} else {
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params = hash;
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}
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}
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return params;
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}
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export function registerUnbound(name, fn) {
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const func = function(property, options) {
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if (options.types && (options.types[0] === "ID" || options.types[0] === "PathExpression")) {
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property = get(this, property, options);
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}
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return fn.call(this, property, resolveParams(this, options));
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};
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Handlebars.registerHelper(name, func);
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Ember.Handlebars.registerHelper(name, func);
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}
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