truncate フィルター（文字列を指定文字数で切る）

{
  "category": "string",
  "deprecated": false,
  "deprecation_reason": "",
  "description": "If the specified number of characters is less than the length of the string, then an ellipsis (`...`) is appended to\nthe truncated string. The ellipsis is included in the character count of the truncated string.",
  "parameters": [],
  "return_type": [
    {
      "type": "string",
      "name": "",
      "description": "",
      "array_value": ""
    }
  ],
  "examples": [
    {
      "name": "",
      "description": "",
      "syntax": "",
      "path": "/blogs/potion-notions/how-to-tell-if-you-have-run-out-of-invisibility-potion",
      "raw_liquid": "{{ article.title | truncate: 15 }}",
      "parameter": false,
      "display_type": "text",
      "show_data_tab": true
    },
    {
      "name": "Specify a custom ellipsis",
      "description": "You can provide a second parameter to specify a custom ellipsis. If you don't want an ellipsis, then you can supply an empty string.\n",
      "syntax": "string | truncate: number, string",
      "path": "/blogs/potion-notions/how-to-tell-if-you-have-run-out-of-invisibility-potion",
      "raw_liquid": "{{ article.title | truncate: 15, '--' }}\n{{ article.title | truncate: 15, '' }}",
      "parameter": true,
      "display_type": "text",
      "show_data_tab": true
    }
  ],
  "summary": "Truncates a string down to a given number of characters.",
  "syntax": "string | truncate: number",
  "name": "truncate"
}