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Installation

You need install mig cli tools to create project.

Usage

For library usage see gomig libraries docs.

Access App Dependencies

For accessing app dependencies (config driver, cache driver, etc.) you must use app namespace functions.

// github.com/myapp is your app namespace
import "github.com/myapp/src/app"
app.Config()

Predefined Template Pipes

onProd

Check if app run on production mode.

{{if onProd}}
<p>application run on production mode</p>
{{end}}

onDev

Check if app run on development mode.

{{if onDev}}
<p>application run on development mode</p>
{{end}}

templateIf

Compile template if defined.

Parameters:

  • name (string): template name.
  • data (any): data for template to render.
{{templateIf "header" .}}

defined

Check if template is defined.

Parameters:

-name (string): template name.

{{if defined "header"}}
<p>header template is defined!</p>
{{end}}

uuid

Generate new uuid.

{{$id :=uuid}}
<div id="{{$id}}">...</div>

iif

Ternary operator.

Parameters:

  • cond (bool): boolean condition value.
  • yes (any): value to return on true state.
  • no (any): value to return on false state.
{{$res := iif true "yes" "no" }}

numberF

Format number use message.NewPrinter(language.English) formatter.

Parameters:

  • format (any): format pattern or number.
  • v (...any): pass to formatter.
<p>Total balance: <strong>{{numberF "%s123456" "$"}}</strong></p>
<p>Simpler: <strong>{{numberF 123456}}</strong></p>

regexF

Format string using regular expression.

Parameters:

  • data (any): value to format.
  • pattern (string): regex pattern.
  • replacement (string): replacement pattern.
<p>Phone:
  <strong>{{regexF
      23418901
      "^(\d{4})(\d{3})(\d{1})$"
      "($1) $2-$3"
    }}</strong></p>

sizeF

Format file size to friendly string.

Parameters:

  • size (numeric): size.
<p>File size: <strong>{{sizeF 123451123}}</strong></p>

jalaali

Format date to jalaali string (use gomig/jalaali package).

Parameters:

  • format (string): date format.
  • time (time.Time): date value.
<p>امروز: <strong>{{jalaali "2006-01-02" $date}}</strong></p>

json

Encode value to json or return fallback on failed.

Parameters:

  • data (any): value to marshal.
  • fallback (string): fallback value if marshalling failed.
<script>
  var data = '{{json $data "{}"}}';
</script>

map

Generate go map from key value pairs.

Parameters:

  • values (...any): key value pairs.
{{ $person := map "name" "John" "age" 21 "is_male" true }}
{{ templateIf "person-card" $person }}

params

Parse parameter value from string or return fallback value (| key:value separated string).

Parameters:

  • parameters (string): parameters string.
  • param (string): parameter name.
  • fallback (string): fallback value.
{{ $params := "name:John|address:NC, Street21, No 13|age:21" }}
{{ $name := param $params "name" "Unknown"}}
{{ $address := param $params "address" "Unknown"}}

option

Check if option exists in options str (| separated string).

Parameters:

  • options (string): options string.
  • option (string): option to check.
{{ $brands := "Apple|Samsung|Microsoft" }}
{{ $containsApple := option $brands "Apple" }}
{{ $notGoogle := option $brands "Google" }}

isset

Check if map field exists.

Parameters:

  • data (map[string]any): map data.
  • field (string): field name.
{{ $exists := isset $myMap "user_id" }}

contains

Check if value contains key. This pipe use json encoder for converting data to map before check.

Parameters:

  • data (any): data object.
  • field (string): field name.
{{ $exists := isset .User "last_activity" }}

alter

Get map field if exists or return fallback.

Parameters:

  • data (map[string]any): data map.
  • field (string): field name.
  • fallback (any): fallback value.
{{ $params := alter . "name" "anonymous" }}

config

Get app config value.

Parameters:

  • path (string): config path.
{{ $appTitle := config "app.title" }}

linebreak

Convert new line to <br/> tag.

Parameters:

  • data (string): data.
<p>{{linebreak $content}}</p>

css

Return renderable raw css (no escape).

Parameters:

  • data (string): css raw data.
<html>
  <head>
    <style>
      {{css $rawCssData}}
    </style>
  </head>
</html>

html

Return renderable raw html (no escape).

Parameters:

  • data (string): html raw data.
<div>
  {{html $rawData}}
</div>

attr

Return renderable raw attr (no escape).

Parameters:

  • data (string): attr raw data.
{{ $rawAttr := attr $extra_attr_str }}
<div {{ $rawAttr }}>...</div>

attrs

Generate raw html attribute from key:value pair.

Parameters:

  • attr (...string): key:value paired attributes.
{{ $attrs := attrs "id:my-div" "data-value:25" "title:my div" }}
<div {{ $attrs }}>...</div>

js

Return renderable raw js (no escape).

Parameters:

  • data (string): js raw data.
<html>
  <head>
    <script>
      {{js $rawScript}}
    </script>
  </head>
</html>

jss

Return renderable raw js string (no escape).

Parameters:

  • data (string): js raw data.

url

Return renderable raw url string (no escape).

Parameters:

  • data (string): js raw data.

asset (only web projects)

Find asset url from file system (public directory).

Parameters:

  • path (string): base path to search in public directory.
  • pattern (string): file pattern to search.
  • ignore (string): file pattern to ignore.
  • extension (string): file extension.
<!-- files: public/dist/my-style-123541.css -->
<link rel="stylesheet" href="{{asset '/dist' 'my-style' '.map' 'css'}}" />

assets (only web projects)

Find all asset url from file system (public directory).

Parameters:

  • path (string): base path to search in public directory.
  • pattern (string): file pattern to search.
  • ignore (string): file pattern to ignore.
  • extension (string): file extension.
{{ range (assets '/dist' '' '.map' 'css')}}
<link rel="stylesheet" href="{{ . }}" />
{{ end}}

Create Web Layout

For creating base web layout template use following syntax: (/views/Layout.tpl)

{{define "base"}}
<html>
    <body>
        <p>template must defined inside base block!</p>
         {{ template "content" . }}
    </body>
</html>
{{end}}

Use layout in template: (/views/pages/home.tpl)

{{define "content"}}
<p>Welcome to my site.</p>
{{end}}

Render template:

router.Get("/", func(c *fiber.Ctx) error {
    return app.Render(c, "pages/home", "layout", data, 201)
})

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mig app boilerplate

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ISC license
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