feat(new-tool): IPv4 subnet calculator

src/tools/index.ts

@@ -1,6 +1,7 @@
 import { tool as base64FileConverter } from './base64-file-converter';
 import { tool as base64StringConverter } from './base64-string-converter';
 import { tool as basicAuthGenerator } from './basic-auth-generator';
+import { tool as ipv4SubnetCalculator } from './ipv4-subnet-calculator';
 import { tool as dockerRunToDockerComposeConverter } from './docker-run-to-docker-compose-converter';
 import { tool as htmlWysiwygEditor } from './html-wysiwyg-editor';
 import { tool as rsaKeyPairGenerator } from './rsa-key-pair-generator';
@@ -96,6 +97,10 @@ export const toolsByCategory: ToolCategory[] = [
       dockerRunToDockerComposeConverter,
     ],
   },
+  {
+    name: 'Network',
+    components: [ipv4SubnetCalculator],
+  },
   {
     name: 'Math',
     components: [mathEvaluator, etaCalculator],

src/tools/ipv4-subnet-calculator/copyable-ip-like.vue

@@ -0,0 +1,35 @@
+<template>
+  <n-tooltip trigger="hover">
+    <template #trigger>
+      <span class="ip" @click="handleClick">{{ ip }}</span>
+    </template>
+    {{ tooltipText }}
+  </n-tooltip>
+</template>
+
+<script setup lang="ts">
+import { useClipboard } from '@vueuse/core';
+import { ref, toRefs } from 'vue';
+
+const props = withDefaults(defineProps<{ ip?: string }>(), { ip: '' });
+const { ip } = toRefs(props);
+
+const initialText = 'Copy to clipboard';
+const tooltipText = ref(initialText);
+
+const { copy } = useClipboard({ source: ip });
+
+function handleClick() {
+  copy();
+  tooltipText.value = 'Copied!';
+
+  setTimeout(() => (tooltipText.value = initialText), 1000);
+}
+</script>
+
+<style scoped lang="less">
+.ip {
+  font-family: monospace;
+  cursor: pointer;
+}
+</style>

src/tools/ipv4-subnet-calculator/index.ts

@@ -0,0 +1,11 @@
+import { RouterOutlined } from '@vicons/material';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'IPv4 subnet calculator',
+  path: '/ipv4-subnet-calculator',
+  description: 'Parse your IPv4 CIDR blocks and get all the info you need about your sub network.',
+  keywords: ['ipv4', 'subnet', 'calculator', 'mask', 'network', 'cidr', 'netmask', 'bitmask', 'broadcast', 'address'],
+  component: () => import('./ipv4-subnet-calculator.vue'),
+  icon: RouterOutlined,
+});

src/tools/ipv4-subnet-calculator/ipv4-subnet-calculator.models.ts

@@ -0,0 +1,23 @@
+export { getIPClass };
+
+function getIPClass({ ip }: { ip: string }) {
+  const [firstOctet] = ip.split('.').map(Number);
+
+  if (firstOctet < 128) {
+    return 'A';
+  }
+  if (firstOctet > 127 && firstOctet < 192) {
+    return 'B';
+  }
+  if (firstOctet > 191 && firstOctet < 224) {
+    return 'C';
+  }
+  if (firstOctet > 223 && firstOctet < 240) {
+    return 'D';
+  }
+  if (firstOctet > 239 && firstOctet < 256) {
+    return 'E';
+  }
+
+  return undefined;
+}

src/tools/ipv4-subnet-calculator/ipv4-subnet-calculator.vue

@@ -0,0 +1,125 @@
+<template>
+  <div>
+    <n-form-item label="An IPv4 address with or without mask" v-bind="validationAttrs">
+      <n-input v-model:value="ip" />
+    </n-form-item>
+
+    <div v-if="networkInfo">
+      <n-table>
+        <tbody>
+          <tr v-for="{ getValue, label, undefinedFallback } in sections" :key="label">
+            <td>
+              <n-text strong>{{ label }}</n-text>
+            </td>
+            <td>
+              <copyable-ip-like v-if="getValue(networkInfo)" :ip="getValue(networkInfo)"></copyable-ip-like>
+              <n-text v-else depth="3">{{ undefinedFallback }}</n-text>
+            </td>
+          </tr>
+        </tbody>
+      </n-table>
+
+      <n-space style="margin-top: 14px" justify="space-between">
+        <n-button tertiary @click="switchToBlock({ count: -1 })">
+          <n-icon :component="ArrowLeft" />
+          Previous block
+        </n-button>
+        <n-button tertiary @click="switchToBlock({ count: 1 })">
+          Next block
+          <n-icon :component="ArrowRight" />
+        </n-button>
+      </n-space>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import { Netmask } from 'netmask';
+import { withDefaultOnError } from '@/utils/defaults';
+import { useValidation } from '@/composable/validation';
+import { isNotThrowing } from '@/utils/boolean';
+import { useStorage } from '@vueuse/core';
+import { ArrowLeft, ArrowRight } from '@vicons/tabler';
+import { getIPClass } from './ipv4-subnet-calculator.models';
+import CopyableIpLike from './copyable-ip-like.vue';
+
+const ip = useStorage('ipv4-subnet-calculator:ip', '192.168.0.1/24');
+
+const getNetworkInfo = (address: string) => new Netmask(address.trim());
+
+const networkInfo = computed(() => withDefaultOnError(() => getNetworkInfo(ip.value), undefined));
+
+const { attrs: validationAttrs } = useValidation({
+  source: ip,
+  rules: [
+    {
+      message: 'We cannot parse this address, check the format',
+      validator: (value) => isNotThrowing(() => getNetworkInfo(value.trim())),
+    },
+  ],
+});
+
+const sections: {
+  label: string;
+  getValue: (blocks: Netmask) => string | undefined;
+  undefinedFallback?: string;
+}[] = [
+  {
+    label: 'Netmask',
+    getValue: (block) => block.toString(),
+  },
+  {
+    label: 'Network address',
+    getValue: ({ base }) => base,
+  },
+  {
+    label: 'Network mask',
+    getValue: ({ mask }) => mask,
+  },
+  {
+    label: 'Network mask in binary',
+    getValue: ({ bitmask }) => ('1'.repeat(bitmask) + '0'.repeat(32 - bitmask)).match(/.{8}/g)?.join('.') ?? '',
+  },
+  {
+    label: 'CIDR notation',
+    getValue: ({ bitmask }) => `/${bitmask}`,
+  },
+  {
+    label: 'Wildcard mask',
+    getValue: ({ hostmask }) => hostmask,
+  },
+  {
+    label: 'Network size',
+    getValue: ({ size }) => String(size),
+  },
+  {
+    label: 'First address',
+    getValue: ({ first }) => first,
+  },
+  {
+    label: 'Last address',
+    getValue: ({ last }) => last,
+  },
+  {
+    label: 'Broadcast address',
+    getValue: ({ broadcast }) => broadcast,
+    undefinedFallback: 'No broadcast address with this mask',
+  },
+  {
+    label: 'IP class',
+    getValue: ({ base: ip }) => getIPClass({ ip }),
+    undefinedFallback: 'Unknown class type',
+  },
+];
+
+function switchToBlock({ count = 1 }: { count?: number }) {
+  const next = networkInfo.value?.next(count);
+
+  if (next) {
+    ip.value = next.toString();
+  }
+}
+</script>
+
+<style lang="less" scoped></style>