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The What

A headless unopinionated advanced Vue visual filtering component. It's built with customizability in mind.

Demo and Code Example

  • GIF.

demo-gif.gif

Prerequisites

  • Node version 12.0.0 or higher.
  • NPM.

Installation, and Setting Up The Component

Usage (for both @visual-filter/vue2, and @visual-filter/vue3)

Once you're set up, and ready to start using the component. Reference the component's name in your template:

<template>
  <vue-visual-filter
    :filtering-options="filteringOptions"
    @filter-update="captureFilterUpdate"
  ></vue-visual-filter>
</template>

The filteringOptions Prop

It contains two options:

  • data: An array of objects that stores the data to be filtered. Definition:
interface Data {
  name: string
  type: "numeric" | "nominal"
  values: any[]
}[]
  • methods: An object that contains the methods to be used to filter the data. Definition:
interface Methods {
  numeric: Record<string, (cellValue: any, argument: string) => boolean>
  nominal: Record<string, (cellValue: any, argument: string) => boolean>
}

The filter-update Event

An event prop that receives a function to be called whenever the filter updates. The function contains one parameter, ctx, which has in-reactive clones of filter, and data objects.

Filter slots

Vue provides a content distribution API called slots. And it's leveraged here to build a custom filter that its elements and styling are provided by you.

Example:

<template>
  <vue-visual-filter
    :filtering-options="filteringOptions"
    @filter-update="captureFilterUpdate"
  >
    <template #groupTypes="{ groupTypes, group }">
      <el-select v-model="group.groupType" size="small">
        <el-option
          v-for="type in groupTypes"
          :key="type"
          :value="type"
        ></el-option>
      </el-select>
    </template>

    <template #filterAddition="{ filterTypes, addFilter }">
      <el-dropdown
        @command="addFilter"
        split-button
        trigger="click"
        type="primary"
        size="mini"
      >
        <i class="el-icon-plus"></i>
        <template #dropdown>
          <el-dropdown-menu>
            <el-dropdown-item
              v-for="filter in filterTypes"
              :key="filter"
              :command="filter"
            >
              {{ filter }}
            </el-dropdown-item>
          </el-dropdown-menu>
        </template>
      </el-dropdown>
    </template>

    <template #groupDeletion="{ deleteGroup }">
      <el-button
        @click="deleteGroup"
        type="danger"
        icon="el-icon-close"
        size="mini"
        circle
      ></el-button>
    </template>

    <template #fieldUpdation="{ fieldNames, condition, updateField }">
      <el-select
        @change="updateField"
        v-model="condition.fieldName"
        size="small"
      >
        <el-option
          v-for="name in fieldNames"
          :key="name"
          :value="name"
        ></el-option>
      </el-select>
    </template>

    <template
      #methodUpdation="{ numericMethodNames, nominalMethodNames, condition }"
    >
      <el-select
        v-if="numericMethodNames"
        v-model="condition.method"
        no-data-text="No methods"
        size="small"
      >
        <el-option
          v-for="method in numericMethodNames"
          :key="method"
          :value="method"
        ></el-option>
      </el-select>
      <el-select
        v-else
        v-model="condition.method"
        no-data-text="No methods"
        size="small"
      >
        <el-option
          v-for="method in nominalMethodNames"
          :key="method"
          :value="method"
        ></el-option>
      </el-select>
    </template>

    <template #argumentUpdation="{ condition }">
      <el-input
        v-model="condition.argument"
        size="mini"
        placeholder="Argument"
        :style="{ width: 'auto' }"
      ></el-input>
    </template>

    <template #conditionDeletion="{ deleteCondition }">
      <el-button
        @click="deleteCondition"
        type="danger"
        icon="el-icon-close"
        size="mini"
        circle
      ></el-button>
    </template>
  </vue-visual-filter>
</template>

The example above uses the element-plus UI framework for the filter components. But you can provide whichever content fits your need best.

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🕵️‍♂️ A headless unopinionated advanced visual filtering component for Vue 2 and 3

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