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【Nuxt.js/Vue.js】 手軽に長い文字列を省略して末尾を三点リーダー(…)にする方法

Posted at
plugins/filter.js
Vue.filter('truncate', function(value, length, omission) {
  var length = length ? parseInt(length, 10) : 20;
  var ommision = omission ? omission.toString() : '...'

  if(value.length <= length) {
    return value;
  }
  else {
    return value.substring(0, length) + ommision;
  }
})
nuxt.config.js
  plugins: [
    '~/plugins/filter' // 追記する
  ],
text.vue
<div> {{ text | truncate(50) }} </div> // 引数に表示したい文字数を入れる
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