106 lines
2.6 KiB
JavaScript
106 lines
2.6 KiB
JavaScript
import Helper from "@ember/component/helper";
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import RawHandlebars from "discourse-common/lib/raw-handlebars";
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import { get } from "@ember/object";
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import { htmlSafe } from "@ember/template";
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export function makeArray(obj) {
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if (obj === null || obj === undefined) {
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return [];
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}
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return Array.isArray(obj) ? obj : [obj];
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}
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export function htmlHelper(fn) {
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return 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 htmlSafe(fn.apply(this, args) || "");
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});
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}
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const _helpers = {};
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function rawGet(ctx, property, options) {
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if (options.types && options.data.view) {
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let view = options.data.view;
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return view.getStream
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? view.getStream(property).value()
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: view.getAttr(property);
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} else {
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return get(ctx, property);
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}
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}
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export function registerHelper(name, fn) {
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_helpers[name] = 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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let _helperContext;
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export function createHelperContext(ctx) {
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_helperContext = ctx;
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}
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// This can be used by a helper to get the SiteSettings. Note you should not
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// be using it outside of helpers (or lib code that helpers use!)
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export function helperContext() {
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return _helperContext;
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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 (
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type === "STRING" ||
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type === "StringLiteral" ||
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type === "SubExpression"
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) {
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params[k] = hash[k];
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} else if (type === "ID" || type === "PathExpression") {
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params[k] = rawGet(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 (...args) {
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const options = args.pop();
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const properties = args;
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for (let i = 0; i < properties.length; i++) {
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if (
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options.types &&
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(options.types[i] === "ID" || options.types[i] === "PathExpression")
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) {
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properties[i] = rawGet(this, properties[i], options);
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}
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}
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return fn.call(this, ...properties, resolveParams(this, options));
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};
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_helpers[name] = Helper.extend({
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compute: (params, args) => fn(...params, args),
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});
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RawHandlebars.registerHelper(name, func);
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}
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