From eb941a1211b7f707c60e2177772e6ce74020516b Mon Sep 17 00:00:00 2001
From: biodiscus <biodiscus@gmail.com>
Date: Sun, 8 Dec 2024 23:27:30 +0100
Subject: [PATCH] test: add test for habdlebars helpers used in comple mode

---
 .../js-tmpl-hbs-compile-helpers/expected/app.js        |  2 +-
 .../js-tmpl-hbs-compile-helpers/src/app.hbs            |  3 ++-
 .../src/helpers-esm/html-helpers.js                    | 10 ++++++++++
 .../js-tmpl-hbs-compile-helpers/webpack.config.js      |  9 +++++++--
 4 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/helpers-esm/html-helpers.js

diff --git a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/expected/app.js b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/expected/app.js
index cf42a5a2..41b241e1 100644
--- a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/expected/app.js
+++ b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/expected/app.js
@@ -1 +1 @@
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a={1:function(e,t,r,o,n){return"Header"},3:function(e,t,r,o,n){return"Hello"},5:function(e,t,r,o,n){var a,l=e.lookupProperty||function(e,t){if(Object.prototype.hasOwnProperty.call(e,t))return e[t]};return e.escapeExpression("function"==typeof(a=null!=(a=l(r,"helloName")||(null!=t?l(t,"helloName"):t))?a:e.hooks.helperMissing)?a.call(null!=t?t:e.nullContext||{},{name:"helloName",hash:{},data:n,loc:{start:{line:2,column:40},end:{line:2,column:53}}}):a)},compiler:[8,">= 4.3.0"],main:function(e,t,r,o,n){var a,l,i,s=null!=t?t:e.nullContext||{},u=e.hooks.helperMissing,c="function",p=e.hooks.blockHelperMissing,f=e.lookupProperty||function(e,t){if(Object.prototype.hasOwnProperty.call(e,t))return e[t]},d="";return l=null!=(l=f(r,"h1")||(null!=t?f(t,"h1"):t))?l:u,i={name:"h1",hash:{},fn:e.program(1,n,0),inverse:e.noop,data:n,loc:{start:{line:1,column:0},end:{line:1,column:20}}},a=typeof 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r.d(t,{a:t}),t},r.d=(e,t)=>{for(var o in t)r.o(t,o)&&!r.o(e,o)&&Object.defineProperty(e,o,{enumerable:!0,get:t[o]})},r.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),(()=>{"use strict";var e=r(768),t=r.n(e);document.getElementById("app").innerHTML=t()({helloName:"World"}),console.log(">> app")})()})();
\ No newline at end of file
diff --git a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/app.hbs b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/app.hbs
index 0a4e5961..37bcf423 100644
--- a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/app.hbs
+++ b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/app.hbs
@@ -1,2 +1,3 @@
-<p>Hello {{#bold}}{{helloName}}{{/bold}}!</p>
+{{#h1}}Header{{/h1}}
+<p>{{#italic}}Hello{{/italic}} {{#bold}}{{helloName}}{{/bold}}!</p>
 {{> 'footer'}}
diff --git a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/helpers-esm/html-helpers.js b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/helpers-esm/html-helpers.js
new file mode 100644
index 00000000..99306a8f
--- /dev/null
+++ b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/src/helpers-esm/html-helpers.js
@@ -0,0 +1,10 @@
+//import Handlebars from 'handlebars'; // not works!
+const Handlebars = require('handlebars');
+
+export const h1 = function (options) {
+  return new Handlebars.SafeString(`<h1>${options.fn(this)}</h1>`);
+};
+
+export const italic = function (options) {
+  return new Handlebars.SafeString(`<i>${options.fn(this)}</i>`);
+};
diff --git a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/webpack.config.js b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/webpack.config.js
index f7f9f579..3577af50 100644
--- a/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/webpack.config.js
+++ b/test/cases/_preprocessor/js-tmpl-hbs-compile-helpers/webpack.config.js
@@ -1,6 +1,7 @@
 const path = require('path');
 const HtmlBundlerPlugin = require('@test/html-bundler-webpack-plugin');
 const Handlebars = require('handlebars');
+import { h1, italic } from './src/helpers-esm/html-helpers';
 
 module.exports = {
   mode: 'production',
@@ -23,12 +24,16 @@ module.exports = {
 
       preprocessor: 'handlebars',
       preprocessorOptions: {
-        //knownHelpersOnly: false,
-        // define helpers manually
+        // define helpers as an object
         helpers: {
           // WARNING: don't use the arrow function with `this` otherwise webpack compile `this` into `void 0`
           //bold: (options) => new Handlebars.SafeString(`<strong>${options.fn(this)}</strong>`),
 
+          // imported helpers
+          h1,
+          italic,
+
+          // helper defined as the function
           bold(options) {
             return new Handlebars.SafeString(`<strong>${options.fn(this)}</strong>`);
           },