group_by_exp

v10.11.0

把数组元素按照给定的 Liquid 表达式的值分组。对于 members 数组：

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const members = [
  { graduation_year: 2013, name: 'Jay' },
  { graduation_year: 2014, name: 'John' },
  { graduation_year: 2009, name: 'Jack' }
]

输入

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{{ members | group_by_exp: "item", "item.graduation_year | truncate: 3, ''" | json: 2 }}

输出

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[
  {
    "name": "201",
    "items": [
      {
        "graduation_year": 2013,
        "name": "Jay"
      },
      {
        "graduation_year": 2014,
        "name": "John"
      }
    ]
  },
  {
    "name": "200",
    "items": [
      {
        "graduation_year": 2009,
        "name": "Jack"
      }
    ]
  }
]