feat: Enable Handlebars Runtime option

helpers/thirdParty.js

@@ -1,5 +1,20 @@
 'use strict';
 
+const thirdPartyHelpers = {
+    array: require('./3p/array'),
+    collection: require('./3p/collection'),
+    comparison: require('./3p/comparison'),
+    html: require('./3p/html'),
+    inflection: require('./3p/inflection'),
+    markdown: require('./3p/markdown'),
+    math: require('./3p/math'),
+    misc: require('./3p/misc'),
+    number: require('./3p/number'),
+    object: require('./3p/object'),
+    string: require('./3p/string'),
+    url: require('./3p/url'),
+};
+
 const whitelist = [
     {
         name: 'array',
@@ -32,7 +47,6 @@ const whitelist = [
     },
     {
         name: 'comparison',
-        module: require('./3p/comparison'),
         include: [
             'and',
             'gt',
@@ -104,7 +118,6 @@ const whitelist = [
     },
     {
         name: 'string',
-        module: require('./3p/string'),
         include: [
             'camelcase',
             'capitalize',
@@ -140,12 +153,7 @@ const whitelist = [
 const exportedHelpers = [];
 for (let i = 0; i < whitelist.length; i++) {
     const spec = whitelist[i];
-
-    // Initialize module
-    const module = require(`./3p/${spec.name}`);
-    if (typeof spec.init === 'function') {
-        spec.init(module);
-    }
+    const module = thirdPartyHelpers[spec.name];
 
     // Pluck whitelisted functions from each helper module and wrap in object of expected format
     const moduleWhitelist = spec.include;

index.js

@@ -1,6 +1,7 @@
 'use strict';
 const HandlebarsV3 = require('handlebars');
 const HandlebarsV4 = require('@bigcommerce/handlebars-v4');
+const HandlebarsV4Runtime = require('@bigcommerce/handlebars-v4').runtime;
 const helpers = require('./helpers');
 
 const AppError = require('./lib/appError');
@@ -39,6 +40,9 @@ class HandlebarsRenderer {
     constructor(siteSettings, themeSettings, hbVersion, logger = console, logLevel = 'info', params = {}) {
         // Figure out which version of Handlebars to use.
         switch(hbVersion) {
+            case 'v4-runtime':
+                this.handlebars = HandlebarsV4Runtime;
+                break;
             case 'v4':
                 this.handlebars = HandlebarsV4.create();
                 break;
@@ -81,6 +85,10 @@ class HandlebarsRenderer {
         this.overrideHelpers();
     }
 
+    getHelpersForExternalUse() {
+        return helpers;
+    }
+
     getResourceHints() {
         return this.helperContext.resourceHints;
     }
@@ -429,3 +437,4 @@ class HandlebarsRenderer {
 }
 
 module.exports = HandlebarsRenderer;
+module.exports.HandlebarsRuntime = HandlebarsV4Runtime;

package.json

@@ -33,7 +33,7 @@
   },
   "homepage": "https://github.com/bigcommerce/paper-handlebars",
   "dependencies": {
-    "@bigcommerce/handlebars-v4": "4.7.8",
+    "@bigcommerce/handlebars-v4": "4.8.0",
     "chrono-node": "2.8.0",
     "handlebars": "3.0.8",
     "he": "^1.2.0",