无法将变量传递给手柄中的部分3

Question

试图将变量传递给部分而没有成功.

---

尝试1:传递模板上下文

"产品"模板:

From template: {{product.name}} 
<br>
{{> product_buttons}}

"product_buttons"部分:

From partial: {{product.name}}

输出:

From template: Awesome Steel Shoes
<br>
[object Object]
From partial: 

我们可以看到2个问题:

• partial不会呈现预期值.我还尝试使用{{> product_buttons this}和{{> product_buttons product=product}完全相同的结果渲染模板
• [object Object]插入输出中

---

尝试2:传递哈希变量

"产品"模板:

From template: {{product.name}} 
<br>
{{> product_buttons thename=product.name}}

"product_buttons"部分:

From partial: {{thename}}

这会Uncaught TypeError: Cannot read property 'thename' of undefined从编译的部分中引发以下行的错误:

return "From partial: "
+ this.escapeExpression(((helper = (helper = helpers.thename || (depth0 != null ? depth0.thename : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0,{"name":"thename","hash":{},"data":data}) : helper)))
                                                     ^--- Error is from here
+ "";

---

补充说明

我使用命令行把手实用程序预编译模板.我使用从npm安装的把手3.0.3,但输出handlebars -v是奇怪的"3.0.1".我检查了路径和安装,也无法修复

编译命令:

handlebars directory/*.handlebars -f file_name.tmpl.js

模板用法示例:

Handlebars.registerPartial('product_buttons', Handlebars.templates.product_buttons);
product = {name: 'test'};
html = Handlebars.templates.product({product: product});

任何帮助将不胜感激.谢谢

Answer 1

我执行了以下步骤来验证您的示例。首先我创建了两个模板：

$ cat directory/product.handlebars 
From template: {{product.name}} 
<br>
{{> product_buttons}}

$ cat directory/product_buttons.handlebars
From partial: {{product.name}}

然后我编译了它们

$ handlebars directory/*.handlebars -f file_name.tmpl.js

并得到file_name.tmpl.js：

(function() {
  var template = Handlebars.template, templates = Handlebars.templates = Handlebars.templates || {};
templates['product_buttons'] = template({"compiler":[6,">= 2.0.0-beta.1"],"main":function(depth0,helpers,partials,data) {
    var stack1;

  return "From partial: "
    + this.escapeExpression(this.lambda(((stack1 = (depth0 != null ? depth0.product : depth0)) != null ? stack1.name : stack1), depth0));
},"useData":true});
templates['product'] = template({"compiler":[6,">= 2.0.0-beta.1"],"main":function(depth0,helpers,partials,data) {
    var stack1;

  return "From template: "
    + this.escapeExpression(this.lambda(((stack1 = (depth0 != null ? depth0.product : depth0)) != null ? stack1.name : stack1), depth0))
    + " \n<br>\n"
    + ((stack1 = this.invokePartial(partials.product_buttons,depth0,{"name":"product_buttons","data":data,"helpers":helpers,"partials":partials})) != null ? stack1 : "");
},"usePartial":true,"useData":true});
})();

然后我将其包含file_name.tmpl.js在我的index.html模板中并像这样渲染

Handlebars.registerPartial('product_buttons', Handlebars.templates.product_buttons);
var context = {product: {name: 'My product'}};
html = Handlebars.templates.product(context);
console.log(html);

给我这个控制台输出：

From template: My product 
<br>
From partial: My product

我发现您没有为产品模板设置上下文。但我想你的例子中缺少这一点，对吗？

您能否验证（如果不同，则发布）您的内容file_name.tmpl.js？

顺便说一句：我的车把版本也是 3.0.1：

$ handlebars -v
3.0.1

我使用file_name.tmpl.js.​