update view benchmarks and remove ace template parser

Author: kataras

HISTORY.md

@@ -19,6 +19,12 @@ Developers are not forced to upgrade if they don't really need it. Upgrade whene
 
 **How to upgrade**: Open your command-line and execute this command: `go get github.com/kataras/iris/v12@latest` and `go mod tidy -compat=1.20`.
 
+# Next
+
+Change applies to `master` branch.
+
+- Remove [ace](https://github.com/eknkc/amber) template parser support, as it was discontinued by its author more than five years ago.
+
 # Sa, 11 March 2023 | v12.2.0
 
 This release introduces new features and some breaking changes.
@@ -41,7 +47,7 @@ All new features have been tested in production and seem to work fine. Fixed all
 - Add `Context.Render` method for compatibility.
 
 - Support of embedded [locale files](https://github.com/kataras/iris/blob/master/_examples/i18n/template-embedded/main.go) using standard `embed.FS` with the new `LoadFS` function.
-- Support of direct embedded view engines (`HTML, Blocks, Django, Handlebars, Pug, Amber, Jet` and `Ace`) with `embed.FS` or `fs.FS` (in addition to `string` and `http.FileSystem` types).
+- Support of direct embedded view engines (`HTML, Blocks, Django, Handlebars, Pug, Jet` and `Ace`) with `embed.FS` or `fs.FS` (in addition to `string` and `http.FileSystem` types).
 - Add support for `embed.FS` and `fs.FS` on `app.HandleDir`.
 
 - Add `iris.Patches()` package-level function to customize Iris Request Context REST (and more to come) behavior.
@@ -306,7 +312,7 @@ func main() {
 - Fix Response Recorder `Clone` concurrent access afterwards.
 
 - Add a `ParseTemplate` method on view engines to manually parse and add a template from a text as [requested](https://github.com/kataras/iris/issues/1617). [Examples](https://github.com/kataras/iris/tree/master/_examples/view/parse-template).
-- Full `http.FileSystem` interface support for all **view** engines as [requested](https://github.com/kataras/iris/issues/1575). The first argument of the functions(`HTML`, `Blocks`, `Pug`, `Amber`, `Ace`, `Jet`, `Django`, `Handlebars`) can now be either a directory of `string` type (like before) or a value which completes the `http.FileSystem` interface. The `.Binary` method of all view engines was removed: pass the go-bindata's latest version `AssetFile()` exported function as the first argument instead of string.
+- Full `http.FileSystem` interface support for all **view** engines as [requested](https://github.com/kataras/iris/issues/1575). The first argument of the functions(`HTML`, `Blocks`, `Pug`, `Ace`, `Jet`, `Django`, `Handlebars`) can now be either a directory of `string` type (like before) or a value which completes the `http.FileSystem` interface. The `.Binary` method of all view engines was removed: pass the go-bindata's latest version `AssetFile()` exported function as the first argument instead of string.
 
 - Add `Route.ExcludeSitemap() *Route` to exclude a route from sitemap as requested in [chat](https://chat.iris-go.com), also offline routes are excluded automatically now.
 

README.md

@@ -187,7 +187,7 @@ Some of the features Iris offers:
 * Builtin support for ngrok to put your app on the internet, the fastest way
 * Unique Router with dynamic path as parameter with standard types like :uuid, :string, :int... and the ability to create your own
 * Compression
-* View Engines (HTML, Django, Amber, Handlebars, Pug/Jade and more)
+* View Engines (HTML, Django, Handlebars, Pug/Jade and more)
 * Create your own File Server and host your own WebDAV server
 * Cache
 * Localization (i18n, sitemap)

README_PT_BR.md

@@ -184,7 +184,7 @@ Alguns dos recursos que o Iris Web Framework oferece:
 * Suporte integrado para ngrok para colocar seu aplicativo na internet da maneira mais rápida
 * Router único com caminho dinâmico como parametro com tipos padrões como :uuid, :string, :int... e a habilidade de criar o seu próprio router
 * Compressão
-* View Engines (HTML, Django, Amber, Handlebars, Pug/Jade e mais)
+* View Engines (HTML, Django, Handlebars, Pug/Jade e mais)
 * Cria seu próprio Servidor de Arquivo e hospeda seu próprio servidor WebDAV
 * Cache
 * Localização (i18n, sitemap)

README_ZH_HANT.md

@@ -195,7 +195,7 @@ Iris 提供了至少這些功能：
 - 內建 ngrok 支援，讓您可以把 app 以最快速的方式推上網際網路
 - 包含動態路徑、具唯一性的路由，支援如 :uuid、:string、:int 等等的標準類型，並且可以自己建立
 - 壓縮功能
-- 檢視 (View) 算繪引擎 (HTML、Django、Amber、Handlebars、Pug/Jade 等等）
+- 檢視 (View) 算繪引擎 (HTML、Django、Handlebars、Pug/Jade 等等）
 - 建立自己的檔案伺服器，並寄存您自己的 WebDAV 伺服器
 - 快取
 - 本地化 (i18n、sitemap）

_benchmarks/view/README.md

@@ -1,26 +1,27 @@
 # View Engine Benchmarks
 
-Benchmark between all 8 supported template parsers.
+Benchmark between all 7 supported template parsers.
 
-Amber, Ace and Pug parsers minifies the template before render. So, to have a fair benchmark, we must make sure that the byte amount of the total response body is exactly the same across all. Therefore, all other template files are minified too.
+Ace and Pug parsers minifies the template before render. So, to have a fair benchmark, we must make sure that the byte amount of the total response body is exactly the same across all. Therefore, all other template files are minified too.
 
 ![Benchmarks Chart Graph](chart.png)
 
-> Last updated: Oct 1, 2020 at 12:46pm (UTC)
+> Last updated: Mar 17, 2023 at 10:31am (UTC)
 
 ## System
 
 |    |    |
 |----|:---|
-| Processor | Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz |
-| RAM | 15.85 GB |
-| OS | Microsoft Windows 10 Pro |
+| Processor | 12th Gen Intel(R) Core(TM) i7-12700H |
+| RAM | 15.68 GB |
+| OS | Microsoft Windows 11 Pro |
 | [Bombardier](https://github.com/codesenberg/bombardier) | v1.2.4 |
-| [Go](https://golang.org) | go1.15.2 |
+| [Go](https://golang.org) | go1.20.2 |
+| [Node.js](https://nodejs.org/) | v19.5.0 |
 
 ## Terminology
 
-**Name** is the name of the template engine used under a particular test.
+**Name** is the name of the framework(or router) used under a particular test.
 
 **Reqs/sec** is the avg number of total requests could be processed per second (the higher the better).
 
@@ -38,19 +39,18 @@ Amber, Ace and Pug parsers minifies the template before render. So, to have a fa
 
 | Name | Language | Reqs/sec | Latency | Throughput | Time To Complete |
 |------|:---------|:---------|:--------|:-----------|:-----------------|
-| [Amber](./amber) | Go |125698 |0.99ms |44.67MB |7.96s |
-| [Blocks](./blocks) | Go |123974 |1.01ms |43.99MB |8.07s |
-| [Django](./django) | Go |118831 |1.05ms |42.17MB |8.41s |
-| [Handlebars](./handlebars) | Go |101214 |1.23ms |35.91MB |9.88s |
-| [Pug](./pug) | Go |89002 |1.40ms |31.81MB |11.24s |
-| [Ace](./ace) | Go |64782 |1.93ms |22.98MB |15.44s |
-| [HTML](./html) | Go |53918 |2.32ms |19.13MB |18.55s |
-| [Jet](./jet) | Go |4829 |25.88ms |1.71MB |207.07s |
+| [Jet](./jet) | Go |248957 |500.81us |88.26MB |4.02s |
+| [Blocks](./blocks) | Go |238854 |521.76us |84.74MB |4.19s |
+| [Pug](./pug) | Go |238153 |523.74us |85.07MB |4.20s |
+| [Django](./django) | Go |224448 |555.40us |79.61MB |4.46s |
+| [Handlebars](./handlebars) | Go |197267 |631.99us |69.96MB |5.07s |
+| [Ace](./ace) | Go |157415 |792.53us |55.83MB |6.35s |
+| [HTML](./html) | Go |120811 |1.03ms |42.82MB |8.29s |
 
 ## How to Run
 
 ```sh
-$ go install github.com/kataras/server-benchmarks@latest
-$ go install github.com/codesenberg/bombardier@latest
+$ go install github.com/kataras/server-benchmarks@master
+$ go install github.com/codesenberg/bombardier@master
 $ server-benchmarks --wait-run=3s -o ./results
 ```

_benchmarks/view/ace/views/layouts/main.ace

@@ -3,6 +3,6 @@ html
   head
     title {{.Title}}
   body
-    {{ yield . . }}
+    {{ yield . }}
     footer
       = include partials/footer.ace .