65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
import { get } from "discourse-common/lib/raw-handlebars";
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export function htmlHelper(fn) {
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return Ember.Helper.helper(function(...args) {
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args =
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args.length > 1 ? args[0].concat({ hash: args[args.length - 1] }) : args;
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return new Handlebars.SafeString(fn.apply(this, args) || "");
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});
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}
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const _helpers = {};
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export function registerHelper(name, fn) {
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_helpers[name] = Ember.Helper.helper(fn);
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}
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export function findHelper(name) {
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return _helpers[name] || _helpers[name.dasherize()];
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}
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export function registerHelpers(registry) {
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Object.keys(_helpers).forEach(name => {
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registry.register(`helper:${name}`, _helpers[name], { singleton: false });
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});
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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 (
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options.types &&
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(options.types[0] === "ID" || options.types[0] === "PathExpression")
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) {
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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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_helpers[name] = Ember.Helper.extend({
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compute: (params, args) => fn(params[0], args)
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});
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Handlebars.registerHelper(name, func);
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}
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