linky

• [email protected]
• ngSanitize 模块中的过滤器

在文本输入中找到链接（links）并将他们转化为真实的 HTML 链接。 支持 http/https/ftp/mailto 和普通的电子邮件地址的链接。

需要依赖 ngSanitize 模块。

用法

HTML 模板绑定中

<span ng-bind-html="linky_expression | linky"></span>

JavaScript 中

$filter('linky')(text, target)

参数

返回

string html化链接的文本。

例子

index.html

<script>
  angular.module('linkyExample', ['ngSanitize'])
    .controller('ExampleController', ['$scope', function($scope) {
      $scope.snippet =
        'Pretty text with some links:\n'+
        'http://angularjs.org/,\n'+
        'mailto:[email protected],\n'+
        '[email protected],\n'+
        'and one more: ftp://127.0.0.1/.';
      $scope.snippetWithTarget = 'http://angularjs.org/';
    }]);
</script>
<div ng-controller="ExampleController">
Snippet: <textarea ng-model="snippet" cols="60" rows="3"></textarea>
<table>
  <tr>
    <td>Filter</td>
    <td>Source</td>
    <td>Rendered</td>
  </tr>
  <tr id="linky-filter">
    <td>linky filter</td>
    <td>
      <pre>&lt;div ng-bind-html="snippet | linky"&gt;<br>&lt;/div&gt;</pre>
    </td>
    <td>
      <div ng-bind-html="snippet | linky"></div>
    </td>
  </tr>
  <tr id="linky-target">
   <td>linky target</td>
   <td>
     <pre>&lt;div ng-bind-html="snippetWithTarget | linky:'_blank'"&gt;<br>&lt;/div&gt;</pre>
   </td>
   <td>
     <div ng-bind-html="snippetWithTarget | linky:'_blank'"></div>
   </td>
  </tr>
  <tr id="escaped-html">
    <td>no filter</td>
    <td><pre>&lt;div ng-bind="snippet"&gt;<br>&lt;/div&gt;</pre></td>
    <td><div ng-bind="snippet"></div></td>
  </tr>
</table>

protractor.js

it('should linkify the snippet with urls', function() {
  expect(element(by.id('linky-filter')).element(by.binding('snippet | linky')).getText()).
      toBe('Pretty text with some links: http://angularjs.org/, [email protected], ' +
           '[email protected], and one more: ftp://127.0.0.1/.');
  expect(element.all(by.css('#linky-filter a')).count()).toEqual(4);
});

it('should not linkify snippet without the linky filter', function() {
  expect(element(by.id('escaped-html')).element(by.binding('snippet')).getText()).
      toBe('Pretty text with some links: http://angularjs.org/, mailto:[email protected], ' +
           '[email protected], and one more: ftp://127.0.0.1/.');
  expect(element.all(by.css('#escaped-html a')).count()).toEqual(0);
});

it('should update', function() {
  element(by.model('snippet')).clear();
  element(by.model('snippet')).sendKeys('new http://link.');
  expect(element(by.id('linky-filter')).element(by.binding('snippet | linky')).getText()).
      toBe('new http://link.');
  expect(element.all(by.css('#linky-filter a')).count()).toEqual(1);
  expect(element(by.id('escaped-html')).element(by.binding('snippet')).getText())
      .toBe('new http://link.');
});

it('should work with the target property', function() {
 expect(element(by.id('linky-target')).
     element(by.binding("snippetWithTarget | linky:'_blank'")).getText()).
     toBe('http://angularjs.org/');
 expect(element(by.css('#linky-target a')).getAttribute('target')).toEqual('_blank');
});