App.vue

<script setup>
import Grid from "../../src/Grid.vue";
</script>

<template>
  <div id="app">
    <Grid :rows="10" :cols="5" :pos-validation="blockField">
      <div id="blocker">
        This field is blocked because it's filled, the next one programmatically
      </div>
    </Grid>
  </div>
</template>

<script>
export default {
  name: "App",
  methods: {
    blockField(x, y, key) {
      // We won't move fields with ID 'obj8' and nothing into (4, 3)
      if (x === 4 && y === 3) return false;
      return key !== "obj8";
    },
  },
};
</script>

<style scoped>
#blocker {
  grid-row: 3 / span 1;
  grid-column: 3 / span 1;
  background-image: linear-gradient(
    45deg,
    #edd85f 25%,
    #0f2b3d 25%,
    #0f2b3d 50%,
    #edd85f 50%,
    #edd85f 75%,
    #0f2b3d 75%,
    #0f2b3d 100%
  );
  background-size: 56.57px 56.57px;
  color: white;
  font-size: large;
  font-weight: bold;
  text-shadow: 4px 4px 4px #2c3e50;
}
</style>