chore(release): 2.10.2

.eslintrc.cjs

@@ -7,23 +7,28 @@ module.exports = {
     'plugin:vue/vue3-essential',
     'eslint:recommended',
     'plugin:vue/vue3-recommended',
-    'plugin:vue/vue3-recommended',
     '@vue/eslint-config-typescript/recommended',
     '@vue/eslint-config-prettier',
+    'plugin:import/recommended',
   ],
+
+  settings: {
+    'import/resolver': { typescript: { project: './tsconfig.app.json' } },
+  },
   env: {
     'vue/setup-compiler-macros': true,
   },
   rules: {
     'vue/multi-word-component-names': ['off'],
-    'prettier/prettier': [
+    'prettier/prettier': ['error'],
+    'import/no-duplicates': ['error', { considerQueryString: true }],
+    'import/order': ['error', { groups: [['builtin', 'external', 'internal']] }],
+    'import/extensions': [
       'error',
+      'ignorePackages',
       {
-        singleQuote: true,
-        semi: true,
-        tabWidth: 2,
-        trailingComma: 'all',
-        printWidth: 120,
+        js: 'never',
+        ts: 'never',
       },
     ],
   },

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "singleQuote": true,
+  "semi": true,
+  "tabWidth": 2,
+  "trailingComma": "all",
+  "printWidth": 120
+}

CHANGELOG.md

@@ -2,6 +2,55 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [2.10.2](https://github.com/CorentinTh/it-tools/compare/v2.10.1...v2.10.2) (2022-08-04)
+
+
+### Refactors
+
+* **dry:** mutualised duplicated code with withDefaultOnError ([f6cd9b7](https://github.com/CorentinTh/it-tools/commit/f6cd9b76d38800e1a1f63d07152fc96cda562795))
+* **home:** removed new tool first sort ([d30cd8a](https://github.com/CorentinTh/it-tools/commit/d30cd8a9abc3298c0a0b05f249e54318bb4537f2))
+* **json-prettifier:** more permissive json parser ([8089c60](https://github.com/CorentinTh/it-tools/commit/8089c60000000c42c821c6586c128d3d2b248885))
+* **lint:** added import rules ([208a373](https://github.com/CorentinTh/it-tools/commit/208a373fd08ac550778745eb6e4536bf02537da7))
+
+### [2.10.1](https://github.com/CorentinTh/it-tools/compare/v2.10.0...v2.10.1) (2022-08-04)
+
+
+### Bug Fixes
+
+* **bip39-generator:** cleared an issue with the mnemonic validation ([ca7cb44](https://github.com/CorentinTh/it-tools/commit/ca7cb4438972ca09f28a6a40332ec94ceaa4aab4))
+* **import:** removed auto added weird .js extension ([fda0b0c](https://github.com/CorentinTh/it-tools/commit/fda0b0ca25c1733542a4e797ac1a2150c546a660))
+
+
+### Refactors
+
+* **base64:** mutualized base64 functions into global utilities ([447bdf2](https://github.com/CorentinTh/it-tools/commit/447bdf2148098d70ba309e13d9b1e846b5064da1))
+* **chronometer:** improved chronometer precision ([e48d60b](https://github.com/CorentinTh/it-tools/commit/e48d60b1ed19279f48441743f7ed69e8fd915011))
+
+## [2.10.0](https://github.com/CorentinTh/it-tools/compare/v2.9.2...v2.10.0) (2022-08-03)
+
+
+### Features
+
+* **hash-text:** digest base selector ([#254](https://github.com/CorentinTh/it-tools/issues/254)) ([422b6eb](https://github.com/CorentinTh/it-tools/commit/422b6eb05a2fb5e7eec816a6bd2d37b53e4a6bdc))
+* **new-tool:** an svg placeholder image generator ([129f74c](https://github.com/CorentinTh/it-tools/commit/129f74c371eaf09fdc3a19afb709cee40b7aaf7f))
+* **new-tool:** hmac generator ([1bc6380](https://github.com/CorentinTh/it-tools/commit/1bc6380c6fdd7a9b500422a54bc508ab5557eb46))
+
+
+### Bug Fixes
+
+* **base64-to-string:** prevent validation error ([8a9e788](https://github.com/CorentinTh/it-tools/commit/8a9e7888dec41364c8c17b1234adcdc0616612b0))
+* **bip39-generator:** typo in validation message ([7570ad9](https://github.com/CorentinTh/it-tools/commit/7570ad965602233f860b9e03177a5b9dacf1b034))
+* **eta-calculator:** clamp inputs ([#249](https://github.com/CorentinTh/it-tools/issues/249)) ([531a25c](https://github.com/CorentinTh/it-tools/commit/531a25c1c4892835633ba5635c6ee48e1fbef31c))
+* **wording:** removed spaces before ponctuation ([#252](https://github.com/CorentinTh/it-tools/issues/252)) ([5f03619](https://github.com/CorentinTh/it-tools/commit/5f03619ab44c0b35455c46698ec37d79e87555b5))
+
+
+### Refactors
+
+* **base64-to-file:** clean validation to convert base64 to file ([750a76b](https://github.com/CorentinTh/it-tools/commit/750a76b00fb79c0e9c2851c112141158ee0ffab1))
+* **display:** mutualized code display ([0be33fb](https://github.com/CorentinTh/it-tools/commit/0be33fb337e8d82474922c0fdf9555aa328cd729))
+* **lint:** externalization of prettier for simpler IDE support ([02c4963](https://github.com/CorentinTh/it-tools/commit/02c49635315661ca08deb0859c5ba33113368b9b))
+* **validation:** simplified validation system ([77b5b0c](https://github.com/CorentinTh/it-tools/commit/77b5b0cab50a05dcb419ce87d74517d82e7cd2c0))
+
 ### [2.9.2](https://github.com/CorentinTh/it-tools/compare/v2.9.1...v2.9.2) (2022-07-28)
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "it-tools",
-  "version": "2.9.2",
+  "version": "2.10.2",
   "description": "Collection of handy online tools for developers, with great UX. ",
   "keywords": [
     "productivity",
@@ -68,6 +68,7 @@
     "@types/qrcode": "^1.4.2",
     "@types/randombytes": "^2.0.0",
     "@types/uuid": "^8.3.4",
+    "@typescript-eslint/parser": "^5.32.0",
     "@vitejs/plugin-vue": "^2.2.2",
     "@vitejs/plugin-vue-jsx": "^1.3.7",
     "@vue/eslint-config-prettier": "^7.0.0",
@@ -76,6 +77,9 @@
     "@vue/tsconfig": "^0.1.3",
     "c8": "^7.11.0",
     "eslint": "^8.5.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-import-resolver-typescript": "^3.4.0",
+    "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-vue": "^8.2.0",
     "jsdom": "^19.0.0",
     "less": "^4.1.2",

src/App.vue

@@ -1,9 +1,9 @@
 <script setup lang="ts">
-import { layouts } from './layouts';
 import { computed } from 'vue';
 import { useRoute, RouterView } from 'vue-router';
-import { darkThemeOverrides, lightThemeOverrides } from './themes';
 import { darkTheme, NGlobalStyle, NMessageProvider } from 'naive-ui';
+import { darkThemeOverrides, lightThemeOverrides } from './themes';
+import { layouts } from './layouts';
 import { useStyleStore } from './stores/style.store';
 
 const route = useRoute();

src/components/TextareaCopyable.vue

@@ -0,0 +1,98 @@
+<template>
+  <div style="overflow-x: hidden; width: 100%">
+    <n-card class="result-card">
+      <n-scrollbar
+        x-scrollable
+        trigger="none"
+        :style="height ? `min-height: ${height - 40 /* card padding */ + 10 /* negative margin compensation */}px` : ''"
+      >
+        <n-config-provider :hljs="hljs">
+          <n-code :code="value" :language="language" :trim="false" />
+        </n-config-provider>
+      </n-scrollbar>
+      <n-tooltip v-if="value" trigger="hover">
+        <template #trigger>
+          <div class="copy-button" :class="[copyPlacement]">
+            <n-button secondary circle size="large" @click="onCopyClicked">
+              <n-icon size="22" :component="Copy" />
+            </n-button>
+          </div>
+        </template>
+        <span>{{ tooltipText }}</span>
+      </n-tooltip>
+    </n-card>
+    <n-space v-if="copyPlacement === 'outside'" justify="center" style="margin-top: 15px">
+      <n-button secondary @click="onCopyClicked"> {{ tooltipText }} </n-button>
+    </n-space>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { Copy } from '@vicons/tabler';
+import { useClipboard, useElementSize } from '@vueuse/core';
+import hljs from 'highlight.js/lib/core';
+import jsonHljs from 'highlight.js/lib/languages/json';
+import sqlHljs from 'highlight.js/lib/languages/sql';
+import { ref, toRefs } from 'vue';
+
+hljs.registerLanguage('sql', sqlHljs);
+hljs.registerLanguage('json', jsonHljs);
+
+const props = withDefaults(
+  defineProps<{
+    value: string;
+    followHeightOf?: HTMLElement | null;
+    language?: string;
+    copyPlacement?: 'top-right' | 'bottom-right' | 'outside' | 'none';
+    copyMessage?: string;
+  }>(),
+  {
+    followHeightOf: null,
+    language: 'txt',
+    copyPlacement: 'top-right',
+    copyMessage: 'Copy to clipboard',
+  },
+);
+const { value, language, followHeightOf, copyPlacement, copyMessage } = toRefs(props);
+const { height } = followHeightOf ? useElementSize(followHeightOf) : { height: ref(null) };
+
+const { copy } = useClipboard({ source: value });
+const tooltipText = ref(copyMessage.value);
+
+function onCopyClicked() {
+  copy();
+  tooltipText.value = 'Copied !';
+
+  setTimeout(() => {
+    tooltipText.value = copyMessage.value;
+  }, 2000);
+}
+</script>
+
+<style lang="less" scoped>
+::v-deep(.n-scrollbar) {
+  padding-bottom: 10px;
+  margin-bottom: -10px;
+}
+.result-card {
+  position: relative;
+  .copy-button {
+    position: absolute;
+    opacity: 1;
+
+    &.top-right {
+      top: 10px;
+      right: 10px;
+    }
+
+    &.bottom-right {
+      bottom: 10px;
+      right: 10px;
+    }
+    &.outside,
+    &.none {
+      display: none;
+    }
+  }
+}
+</style>

src/composable/downloadBase64.ts

@@ -1,16 +1,35 @@
 import { extension as getExtensionFromMime } from 'mime-types';
 import type { Ref } from 'vue';
 
+function getFileExtensionFromBase64({
+  base64String,
+  defaultExtension = 'txt',
+}: {
+  base64String: string;
+  defaultExtension?: string;
+}) {
+  const hasMimeType = base64String.match(/data:(.*?);base64/i);
+
+  if (hasMimeType) {
+    return getExtensionFromMime(hasMimeType[1]) || defaultExtension;
+  }
+
+  return defaultExtension;
+}
+
 export function useDownloadFileFromBase64({ source, filename }: { source: Ref<string>; filename?: string }) {
   return {
     download() {
-      const base64 = source.value;
-      const mimeType = base64.match(/data:(.*?);base64/i)?.[1] ?? 'text/plain';
-      console.log({ mimeType });
-      const cleanFileName = filename ?? `file.${getExtensionFromMime(mimeType)}`;
+      const base64String = source.value;
+
+      if (base64String === '') {
+        throw new Error('Base64 string is empty');
+      }
+
+      const cleanFileName = filename ?? `file.${getFileExtensionFromBase64({ base64String })}`;
 
       const a = document.createElement('a');
-      a.href = source.value;
+      a.href = base64String;
       a.download = cleanFileName;
       a.click();
     },

src/composable/validation.test.ts

@@ -0,0 +1,29 @@
+/* eslint-disable @typescript-eslint/no-empty-function */
+import { describe, expect, it } from 'vitest';
+import { isFalsyOrHasThrown } from './validation';
+
+describe('useValidation', () => {
+  describe('isFalsyOrHasThrown', () => {
+    it('should return true if the callback return nil, false or throw', () => {
+      expect(isFalsyOrHasThrown(() => false)).toBe(true);
+      expect(isFalsyOrHasThrown(() => null)).toBe(true);
+      expect(isFalsyOrHasThrown(() => undefined)).toBe(true);
+      expect(isFalsyOrHasThrown(() => {})).toBe(true);
+      expect(
+        isFalsyOrHasThrown(() => {
+          throw new Error();
+        }),
+      ).toBe(true);
+    });
+
+    it('should return true for any truthy values and empty string and 0 values', () => {
+      expect(isFalsyOrHasThrown(() => true)).toBe(false);
+      expect(isFalsyOrHasThrown(() => 'string')).toBe(false);
+      expect(isFalsyOrHasThrown(() => 1)).toBe(false);
+      expect(isFalsyOrHasThrown(() => 0)).toBe(false);
+      expect(isFalsyOrHasThrown(() => '')).toBe(false);
+      expect(isFalsyOrHasThrown(() => [])).toBe(false);
+      expect(isFalsyOrHasThrown(() => ({}))).toBe(false);
+    });
+  });
+});

src/composable/validation.ts

@@ -1,38 +1,65 @@
+import _ from 'lodash';
 import { reactive, watch, type Ref } from 'vue';
 
-type UseValidationRule<T> = {
-  validator: (value: T) => boolean;
-  message: string;
-};
+type ValidatorReturnType = unknown;
 
-function isFalsyOrHasThrown(cb: () => boolean) {
+interface UseValidationRule<T> {
+  validator: (value: T) => ValidatorReturnType;
+  message: string;
+}
+
+export function isFalsyOrHasThrown(cb: () => ValidatorReturnType): boolean {
   try {
-    return !cb();
+    const returnValue = cb();
+
+    if (_.isNil(returnValue)) return true;
+
+    return returnValue === false;
   } catch (_) {
     return true;
   }
 }
 
+type ValidationAttrs = {
+  feedback: string;
+  validationStatus: string | undefined;
+};
+
 export function useValidation<T>({ source, rules }: { source: Ref<T>; rules: UseValidationRule<T>[] }) {
   const state = reactive<{
     message: string;
     status: undefined | 'error';
+    isValid: boolean;
+    attrs: ValidationAttrs;
   }>({
     message: '',
     status: undefined,
+    isValid: false,
+    attrs: {
+      validationStatus: undefined,
+      feedback: '',
+    },
   });
 
-  watch([source], () => {
-    state.message = '';
-    state.status = undefined;
+  watch(
+    [source],
+    () => {
+      state.message = '';
+      state.status = undefined;
 
-    for (const rule of rules) {
-      if (isFalsyOrHasThrown(() => rule.validator(source.value))) {
-        state.message = rule.message;
-        state.status = 'error';
+      for (const rule of rules) {
+        if (isFalsyOrHasThrown(() => rule.validator(source.value))) {
+          state.message = rule.message;
+          state.status = 'error';
+        }
       }
-    }
-  });
+
+      state.isValid = state.status !== 'error';
+      state.attrs.feedback = state.message;
+      state.attrs.validationStatus = state.status;
+    },
+    { immediate: true },
+  );
 
   return state;
 }

src/layouts/base.layout.vue

@@ -4,14 +4,14 @@ import { h } from 'vue';
 import { RouterLink, useRoute } from 'vue-router';
 import { Heart, Menu2, Home2 } from '@vicons/tabler';
 import { toolsByCategory } from '@/tools';
-import SearchBar from '../components/SearchBar.vue';
 import { useStyleStore } from '@/stores/style.store';
-import HeroGradient from '../assets/hero-gradient.svg?component';
-import MenuLayout from '../components/MenuLayout.vue';
-import NavbarButtons from '../components/NavbarButtons.vue';
 import { config } from '@/config';
 import MenuIconItem from '@/components/MenuIconItem.vue';
 import type { ITool } from '@/tools/tool';
+import SearchBar from '../components/SearchBar.vue';
+import HeroGradient from '../assets/hero-gradient.svg?component';
+import MenuLayout from '../components/MenuLayout.vue';
+import NavbarButtons from '../components/NavbarButtons.vue';
 
 const themeVars = useThemeVars();
 const route = useRoute();

src/layouts/tool.layout.vue

@@ -1,10 +1,10 @@
 <script lang="ts" setup>
 import { useRoute } from 'vue-router';
-import BaseLayout from './base.layout.vue';
 import { useHead } from '@vueuse/head';
 import type { HeadObject } from '@vueuse/head';
 import { computed } from 'vue';
 import { useThemeVars } from 'naive-ui';
+import BaseLayout from './base.layout.vue';
 
 const route = useRoute();
 const theme = useThemeVars();

src/main.ts

@@ -1,6 +1,7 @@
 import { createApp } from 'vue';
 import { createPinia } from 'pinia';
 import { createHead } from '@vueuse/head';
+// eslint-disable-next-line import/no-unresolved
 import { registerSW } from 'virtual:pwa-register';
 import { plausible } from './plugins/plausible.plugin';
 

src/pages/About.vue

@@ -47,7 +47,7 @@ useHead({ title: 'About - IT Tools' });
       file of the repository.
     </n-p>
 
-    <n-h2>Found a bug ? A tool is missing ?</n-h2>
+    <n-h2>Found a bug? A tool is missing?</n-h2>
     <n-p>
       If you need a tool that is currently not present here, and you think can be relevant, you are welcome to submit a
       feature request in the

src/pages/Home.page.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { toolsWithCategory } from '@/tools';
-import ToolCard from '../components/ToolCard.vue';
 import { useHead } from '@vueuse/head';
+import ToolCard from '../components/ToolCard.vue';
 
 useHead({ title: 'IT Tools - Handy online tools for developers' });
 </script>
@@ -9,13 +9,7 @@ useHead({ title: 'IT Tools - Handy online tools for developers' });
 <template>
   <div class="home-page">
     <n-grid x-gap="12" y-gap="12" cols="1 400:2 800:3 1200:4 2000:8">
-      <n-gi
-        v-for="tool in [
-          ...toolsWithCategory.filter(({ isNew }) => isNew),
-          ...toolsWithCategory.filter(({ isNew }) => !isNew),
-        ]"
-        :key="tool.name"
-      >
+      <n-gi v-for="tool in toolsWithCategory" :key="tool.name">
         <tool-card :tool="tool" />
       </n-gi>
     </n-grid>

src/router.ts

@@ -1,5 +1,5 @@
-import { layouts } from './layouts/index';
 import { createRouter, createWebHistory } from 'vue-router';
+import { layouts } from './layouts/index';
 import HomePage from './pages/Home.page.vue';
 import NotFound from './pages/404.page.vue';
 import { tools } from './tools';

src/tools/base64-file-converter/base64-file-converter.vue

@@ -1,8 +1,16 @@
 <template>
   <n-card title="Base64 to file">
-    <n-input v-model:value="base64Input" type="textarea" placeholder="Put your base64 file string here..." rows="5" />
+    <n-form-item
+      :feedback="base64InputValidation.message"
+      :validation-status="base64InputValidation.status"
+      :show-label="false"
+    >
+      <n-input v-model:value="base64Input" type="textarea" placeholder="Put your base64 file string here..." rows="5" />
+    </n-form-item>
     <n-space justify="center">
-      <n-button secondary @click="download()"> Download file </n-button>
+      <n-button :disabled="base64Input === '' || !base64InputValidation.isValid" secondary @click="downloadFile()">
+        Download file
+      </n-button>
     </n-space>
   </n-card>
 
@@ -26,6 +34,8 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { useDownloadFileFromBase64 } from '@/composable/downloadBase64';
+import { useValidation } from '@/composable/validation';
+import { isValidBase64 } from '@/utils/base64';
 import { Upload } from '@vicons/tabler';
 import { useBase64 } from '@vueuse/core';
 import type { UploadFileInfo } from 'naive-ui';
@@ -33,6 +43,25 @@ import { ref, type Ref } from 'vue';
 
 const base64Input = ref('');
 const { download } = useDownloadFileFromBase64({ source: base64Input });
+const base64InputValidation = useValidation({
+  source: base64Input,
+  rules: [
+    {
+      message: 'Invalid base 64 string',
+      validator: (value) => isValidBase64(value.trim()),
+    },
+  ],
+});
+
+function downloadFile() {
+  if (!base64InputValidation.isValid) return;
+
+  try {
+    download();
+  } catch (_) {
+    //
+  }
+}
 
 const fileList = ref();
 const fileInput = ref() as Ref<File>;

src/tools/base64-string-converter/base64-string-converter.vue

@@ -20,11 +20,7 @@
   </n-card>
 
   <n-card title="Base64 to string">
-    <n-form-item
-      label="Base64 string to decode"
-      :validation-status="b64Validation.status"
-      :feedback="b64Validation.message"
-    >
+    <n-form-item label="Base64 string to decode" v-bind="b64Validation.attrs">
       <n-input v-model:value="base64Input" type="textarea" placeholder="Your base64 string..." rows="5" />
     </n-form-item>
 
@@ -41,24 +37,20 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { useValidation } from '@/composable/validation';
+import { base64ToText, isValidBase64, textToBase64 } from '@/utils/base64';
+import { withDefaultOnError } from '@/utils/defaults';
 import { computed, ref } from 'vue';
 
 const textInput = ref('');
-const base64Output = computed(() => window.btoa(textInput.value));
+const base64Output = computed(() => textToBase64(textInput.value));
 const { copy: copyTextBase64 } = useCopy({ source: base64Output, text: 'Base64 string copied to the clipboard' });
 
 const base64Input = ref('');
-const textOutput = computed(() => {
-  try {
-    return window.atob(base64Input.value);
-  } catch (_) {
-    return '';
-  }
-});
+const textOutput = computed(() => withDefaultOnError(() => base64ToText(base64Input.value.trim()), ''));
 const { copy: copyText } = useCopy({ source: textOutput, text: 'String copied to the clipboard' });
 const b64Validation = useValidation({
   source: base64Input,
-  rules: [{ message: 'Invalid base64 string', validator: (value) => true || window.atob(value) }],
+  rules: [{ message: 'Invalid base64 string', validator: (value) => isValidBase64(value.trim()) }],
 });
 </script>
 

src/tools/basic-auth-generator/basic-auth-generator.vue

@@ -30,11 +30,12 @@
 
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
+import { textToBase64 } from '@/utils/base64';
 import { computed, ref } from 'vue';
 
 const username = ref('');
 const password = ref('');
-const header = computed(() => `Authorization: Basic ${window.btoa(`${username.value}:${password.value}`)}`);
+const header = computed(() => `Authorization: Basic ${textToBase64(`${username.value}:${password.value}`)}`);
 
 const { copy } = useCopy({ source: header, text: 'Header copied to the clipboard' });
 </script>

src/tools/bip39-generator/bip39-generator.vue

@@ -59,24 +59,25 @@
 
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
-import { ref, computed } from 'vue';
+import { useValidation } from '@/composable/validation';
+import { withDefaultOnError } from '@/utils/defaults';
 import {
-  entropyToMnemonic,
-  englishWordList,
   chineseSimplifiedWordList,
   chineseTraditionalWordList,
   czechWordList,
+  englishWordList,
+  entropyToMnemonic,
   frenchWordList,
+  generateEntropy,
   italianWordList,
   japaneseWordList,
   koreanWordList,
+  mnemonicToEntropy,
   portugueseWordList,
   spanishWordList,
-  generateEntropy,
-  mnemonicToEntropy,
 } from '@it-tools/bip39';
 import { Copy, Refresh } from '@vicons/tabler';
-import { useValidation } from '@/composable/validation';
+import { computed, ref } from 'vue';
 
 const languages = {
   English: englishWordList,
@@ -105,12 +106,7 @@ const passphrase = computed({
   },
   set(value: string) {
     passphraseInput.value = value;
-
-    try {
-      entropy.value = mnemonicToEntropy(value, languages[language.value]);
-    } catch (_) {
-      entropy.value = '';
-    }
+    entropy.value = withDefaultOnError(() => mnemonicToEntropy(value, languages[language.value]), '');
   },
 });
 
@@ -123,7 +119,7 @@ const entropyValidation = useValidation({
     },
     {
       validator: (value) => /^[a-fA-F0-9]*$/.test(value),
-      message: 'Entropy should an hexadecimal number',
+      message: 'Entropy should be an hexadecimal string',
     },
   ],
 });
@@ -134,7 +130,7 @@ const mnemonicValidation = useValidation({
     {
       validator: (value) => {
         try {
-          mnemonicToEntropy(value);
+          mnemonicToEntropy(value, languages[language.value]);
           return true;
         } catch (_) {
           return false;

src/tools/case-converter/case-converter.vue

@@ -46,8 +46,6 @@
 
 <script setup lang="ts">
 import { ref } from 'vue';
-import InputCopyable from '../../components/InputCopyable.vue';
-
 import {
   camelCase,
   capitalCase,
@@ -61,6 +59,7 @@ import {
   sentenceCase,
   snakeCase,
 } from 'change-case';
+import InputCopyable from '../../components/InputCopyable.vue';
 
 const input = ref('lorem ipsum dolor sit amet');
 </script>

src/tools/chronometer/chronometer.service.test.ts

@@ -1,12 +1,13 @@
 import { describe, expect, it } from 'vitest';
-import { formatChronometerTime } from './chronometer.service';
+import { formatMs } from './chronometer.service';
 
 describe('chronometer', () => {
   describe('formatChronometerTime', () => {
     it('format the elapsed time', () => {
-      expect(formatChronometerTime({ elapsed: 123456 })).toEqual('02:03.456');
-      expect(formatChronometerTime({ elapsed: 123456, msPerUnit: 100 })).toEqual('03:25:45.600');
-      expect(formatChronometerTime({ elapsed: 12345600 })).toEqual('03:25:45.600');
+      expect(formatMs(0)).toEqual('00:00.000');
+      expect(formatMs(1)).toEqual('00:00.001');
+      expect(formatMs(123456)).toEqual('02:03.456');
+      expect(formatMs(12345600)).toEqual('03:25:45.600');
     });
   });
 });

src/tools/chronometer/chronometer.service.ts

@@ -1,10 +1,8 @@
-export function formatChronometerTime({ elapsed, msPerUnit = 1 }: { elapsed: number; msPerUnit?: number }) {
-  const elapsedMs = elapsed * msPerUnit;
-
-  const ms = elapsedMs % 1000;
-  const secs = ((elapsedMs - ms) / 1000) % 60;
-  const mins = (((elapsedMs - ms) / 1000 - secs) / 60) % 60;
-  const hrs = (((elapsedMs - ms) / 1000 - secs) / 60 - mins) / 60;
+export function formatMs(msTotal: number) {
+  const ms = msTotal % 1000;
+  const secs = ((msTotal - ms) / 1000) % 60;
+  const mins = (((msTotal - ms) / 1000 - secs) / 60) % 60;
+  const hrs = (((msTotal - ms) / 1000 - secs) / 60 - mins) / 60;
   const hrsString = hrs > 0 ? `${hrs.toString().padStart(2, '0')}:` : '';
 
   return `${hrsString}${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}.${ms

src/tools/chronometer/chronometer.vue

@@ -1,11 +1,11 @@
 <template>
   <div>
     <n-card>
-      <div class="duration">{{ formatChronometerTime({ elapsed: counter, msPerUnit }) }}</div>
+      <div class="duration">{{ formatMs(counter) }}</div>
     </n-card>
     <br />
     <n-space justify="center">
-      <n-button v-if="!isActive" secondary type="primary" @click="resume">Start</n-button>
+      <n-button v-if="!isRunning" secondary type="primary" @click="resume">Start</n-button>
       <n-button v-else secondary type="warning" @click="pause">Stop</n-button>
 
       <n-button secondary @click="counter = 0">Reset</n-button>
@@ -14,12 +14,33 @@
 </template>
 
 <script setup lang="ts">
-import { useInterval } from '@vueuse/core';
-import { formatChronometerTime } from './chronometer.service';
+import { useRafFn } from '@vueuse/core';
+import { ref } from 'vue';
+import { formatMs } from './chronometer.service';
 
-const msPerUnit = 10;
+const isRunning = ref(false);
+const counter = ref(0);
 
-const { counter, pause, resume, isActive } = useInterval(msPerUnit, { controls: true, immediate: false });
+let previousRafDate = Date.now();
+const { pause: pauseRaf, resume: resumeRaf } = useRafFn(
+  () => {
+    const deltaMs = Date.now() - previousRafDate;
+    previousRafDate = Date.now();
+    counter.value += deltaMs;
+  },
+  { immediate: false },
+);
+
+function resume() {
+  previousRafDate = Date.now();
+  resumeRaf();
+  isRunning.value = true;
+}
+
+function pause() {
+  pauseRaf();
+  isRunning.value = false;
+}
 </script>
 
 <style lang="less" scoped>

src/tools/color-converter/color-converter.vue

@@ -36,12 +36,12 @@
 <script setup lang="ts">
 import { ref } from 'vue';
 import { colord, extend } from 'colord';
-import InputCopyable from '../../components/InputCopyable.vue';
 
 import cmykPlugin from 'colord/plugins/cmyk';
 import hwbPlugin from 'colord/plugins/hwb';
 import namesPlugin from 'colord/plugins/names';
 import lchPlugin from 'colord/plugins/lch';
+import InputCopyable from '../../components/InputCopyable.vue';
 
 extend([cmykPlugin, hwbPlugin, namesPlugin, lchPlugin]);
 

src/tools/eta-calculator/eta-calculator.vue

@@ -11,7 +11,7 @@
       <div>
         <n-space item-style="flex:1 1 0">
           <n-form-item label="Amount of element to consume">
-            <n-input-number v-model:value="unitCount" />
+            <n-input-number v-model:value="unitCount" :min="1" />
           </n-form-item>
           <n-form-item label="The consumption started at">
             <n-date-picker v-model:value="startedAt" type="datetime" />
@@ -19,10 +19,10 @@
         </n-space>
 
         <n-form-item label="Amount of unit consumed by time span" :show-feedback="false">
-          <n-input-number v-model:value="unitPerTimeSpan" />
+          <n-input-number v-model:value="unitPerTimeSpan" :min="1" />
           <span style="margin: 0 10px">in</span>
           <n-input-group>
-            <n-input-number v-model:value="timeSpan" />
+            <n-input-number v-model:value="timeSpan" :min="1" />
             <n-select
               v-model:value="timeSpanUnitMultiplier"
               :options="[
@@ -51,7 +51,10 @@
 </template>
 
 <script setup lang="ts">
+// Duplicate issue with sub directory
+// eslint-disable-next-line import/no-duplicates
 import { addMilliseconds, formatRelative } from 'date-fns';
+// eslint-disable-next-line import/no-duplicates
 import { enGB } from 'date-fns/locale';
 import { computed, ref } from 'vue';
 import { formatMsDuration } from './eta-calculator.service';

src/tools/git-memo/git-memo.vue

@@ -5,8 +5,8 @@
 </template>
 
 <script setup lang="ts">
-import Memo from './git-memo.md';
 import { useThemeVars } from 'naive-ui';
+import Memo from './git-memo.md';
 
 const themeVars = useThemeVars();
 </script>

src/tools/hash-text/hash-text.service.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest';
+import { convertHexToBin } from './hash-text.service';
+
+describe('hash text', () => {
+  describe('convertHexToBin', () => {
+    it('convert hex to bin', () => {
+      expect(convertHexToBin('')).toEqual('');
+      expect(convertHexToBin('FF')).toEqual('11111111');
+      expect(convertHexToBin('F'.repeat(200))).toEqual('1111'.repeat(200));
+      expect(convertHexToBin('2123006AD00F694CE120')).toEqual(
+        '00100001001000110000000001101010110100000000111101101001010011001110000100100000',
+      );
+    });
+  });
+});

src/tools/hash-text/hash-text.service.ts

@@ -0,0 +1,7 @@
+export function convertHexToBin(hex: string) {
+  return hex
+    .trim()
+    .split('')
+    .map((byte) => parseInt(byte, 16).toString(2).padStart(4, '0'))
+    .join('');
+}

src/tools/hash-text/hash-text.vue

@@ -1,10 +1,34 @@
 <template>
   <div>
     <n-card>
-      <n-input v-model:value="clearText" type="textarea" placeholder="Your string..." :autosize="{ minRows: 3 }" />
+      <n-input v-model:value="clearText" type="textarea" placeholder="Your string to hash..." rows="3" />
 
       <n-divider />
 
+      <n-form-item label="Digest encoding">
+        <n-select
+          v-model:value="encoding"
+          :options="[
+            {
+              label: 'Binary (base 2)',
+              value: 'Bin',
+            },
+            {
+              label: 'Hexadecimal (base 16)',
+              value: 'Hex',
+            },
+            {
+              label: 'Base64 (base 64)',
+              value: 'Base64',
+            },
+            {
+              label: 'Base64url (base 64 with url safe chars)',
+              value: 'Base64url',
+            },
+          ]"
+        />
+      </n-form-item>
+
       <div v-for="algo in algoNames" :key="algo" style="margin: 5px 0">
         <n-input-group>
           <n-input-group-label style="flex: 0 0 120px"> {{ algo }} </n-input-group-label>
@@ -16,9 +40,10 @@
 </template>
 
 <script setup lang="ts">
-import InputCopyable from '../../components/InputCopyable.vue';
+import { enc, lib, MD5, RIPEMD160, SHA1, SHA224, SHA256, SHA3, SHA384, SHA512 } from 'crypto-js';
 import { ref } from 'vue';
-import { MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3, RIPEMD160 } from 'crypto-js';
+import InputCopyable from '../../components/InputCopyable.vue';
+import { convertHexToBin } from './hash-text.service';
 
 const algos = {
   MD5,
@@ -32,10 +57,18 @@ const algos = {
 } as const;
 
 type AlgoNames = keyof typeof algos;
+type Encoding = keyof typeof enc | 'Bin';
 const algoNames = Object.keys(algos) as AlgoNames[];
+const encoding = ref<Encoding>('Hex');
+const clearText = ref('');
 
-const clearText = ref(
-  'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Lacus metus blandit dolor lacus natoque ad fusce aliquam velit.',
-);
-const hashText = (algo: AlgoNames, value: string) => algos[algo](value).toString();
+function formatWithEncoding(words: lib.WordArray, encoding: Encoding) {
+  if (encoding === 'Bin') {
+    return convertHexToBin(words.toString(enc.Hex));
+  }
+
+  return words.toString(enc[encoding]);
+}
+
+const hashText = (algo: AlgoNames, value: string) => formatWithEncoding(algos[algo](value), encoding.value);
 </script>

src/tools/hmac-generator/hmac-generator.vue

@@ -0,0 +1,98 @@
+<template>
+  <div>
+    <n-form-item label="Plain text to compute the hash">
+      <n-input v-model:value="plainText" type="textarea" placeholder="Enter the text to compute the hash..." />
+    </n-form-item>
+    <n-form-item label="Secret key">
+      <n-input v-model:value="secret" placeholder="Enter the secret key..." />
+    </n-form-item>
+    <n-space item-style="flex:1 1 0">
+      <n-form-item label="Hashing function">
+        <n-select
+          v-model:value="hashFunction"
+          placeholder="Select an hashing function..."
+          :options="Object.keys(algos).map((label) => ({ label, value: label }))"
+        />
+      </n-form-item>
+      <n-form-item label="Output encoding">
+        <n-select
+          v-model:value="encoding"
+          placeholder="Select the result encoding..."
+          :options="[
+            {
+              label: 'Binary (base 2)',
+              value: 'Bin',
+            },
+            {
+              label: 'Hexadecimal (base 16)',
+              value: 'Hex',
+            },
+            {
+              label: 'Base64 (base 64)',
+              value: 'Base64',
+            },
+            {
+              label: 'Base64-url (base 64 with url safe chars)',
+              value: 'Base64url',
+            },
+          ]"
+        />
+      </n-form-item>
+    </n-space>
+    <n-form-item label="HMAC of your text">
+      <n-input readonly :value="hmac" type="textarea" placeholder="The result of the HMAC..." />
+    </n-form-item>
+    <n-space justify="center">
+      <n-button secondary @click="copy()">Copy HMAC</n-button>
+    </n-space>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useCopy } from '@/composable/copy';
+import {
+  enc,
+  HmacMD5,
+  HmacRIPEMD160,
+  HmacSHA1,
+  HmacSHA224,
+  HmacSHA256,
+  HmacSHA3,
+  HmacSHA384,
+  HmacSHA512,
+  lib,
+} from 'crypto-js';
+import { computed, ref } from 'vue';
+import { convertHexToBin } from '../hash-text/hash-text.service';
+
+const algos = {
+  MD5: HmacMD5,
+  RIPEMD160: HmacRIPEMD160,
+  SHA1: HmacSHA1,
+  SHA3: HmacSHA3,
+  SHA224: HmacSHA224,
+  SHA256: HmacSHA256,
+  SHA384: HmacSHA384,
+  SHA512: HmacSHA512,
+} as const;
+
+type Encoding = keyof typeof enc | 'Bin';
+
+function formatWithEncoding(words: lib.WordArray, encoding: Encoding) {
+  if (encoding === 'Bin') {
+    return convertHexToBin(words.toString(enc.Hex));
+  }
+  return words.toString(enc[encoding]);
+}
+
+const plainText = ref('');
+const secret = ref('');
+const hashFunction = ref<keyof typeof algos>('SHA256');
+const encoding = ref<Encoding>('Hex');
+const hmac = computed(() =>
+  formatWithEncoding(algos[hashFunction.value](plainText.value, secret.value), encoding.value),
+);
+const { copy } = useCopy({ source: hmac });
+</script>
+
+<style lang="less" scoped></style>

src/tools/hmac-generator/index.ts

@@ -0,0 +1,12 @@
+import { ShortTextRound } from '@vicons/material';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'Hmac generator',
+  path: '/hmac-generator',
+  description:
+    'Computes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.',
+  keywords: ['hmac', 'generator', 'MD5', 'SHA1', 'SHA256', 'SHA224', 'SHA512', 'SHA384', 'SHA3', 'RIPEMD160'],
+  component: () => import('./hmac-generator.vue'),
+  icon: ShortTextRound,
+});

src/tools/index.ts

@@ -16,6 +16,7 @@ import { tool as cypher } from './encryption';
 import { tool as etaCalculator } from './eta-calculator';
 import { tool as gitMemo } from './git-memo';
 import { tool as hashText } from './hash-text';
+import { tool as hmacGenerator } from './hmac-generator';
 import { tool as htmlEntities } from './html-entities';
 import { tool as baseConverter } from './integer-base-converter';
 import { tool as jsonViewer } from './json-viewer';
@@ -25,6 +26,7 @@ import { tool as qrCodeGenerator } from './qr-code-generator';
 import { tool as randomPortGenerator } from './random-port-generator';
 import { tool as romanNumeralConverter } from './roman-numeral-converter';
 import { tool as sqlPrettify } from './sql-prettify';
+import { tool as svgPlaceholderGenerator } from './svg-placeholder-generator';
 import { tool as textStatistics } from './text-statistics';
 import { tool as tokenGenerator } from './token-generator';
 import { tool as urlEncoder } from './url-encoder';
@@ -35,7 +37,7 @@ export const toolsByCategory: ToolCategory[] = [
   {
     name: 'Crypto',
     icon: LockOpen,
-    components: [tokenGenerator, hashText, bcrypt, uuidGenerator, cypher, bip39],
+    components: [tokenGenerator, hashText, bcrypt, uuidGenerator, cypher, bip39, hmacGenerator],
   },
   {
     name: 'Converter',
@@ -53,7 +55,12 @@ export const toolsByCategory: ToolCategory[] = [
   {
     name: 'Web',
     icon: LockOpen,
-    components: [urlEncoder, htmlEntities, qrCodeGenerator, urlParser, deviceInformation, basicAuthGenerator],
+    components: [urlEncoder, htmlEntities, urlParser, deviceInformation, basicAuthGenerator],
+  },
+  {
+    name: 'Images',
+    icon: LockOpen,
+    components: [qrCodeGenerator, svgPlaceholderGenerator],
   },
   {
     name: 'Development',

src/tools/integer-base-converter/integer-base-converter.vue

@@ -67,9 +67,9 @@
 
 <script setup lang="ts">
 import { ref } from 'vue';
+import { useStyleStore } from '@/stores/style.store';
 import { convertBase } from './integer-base-converter.model';
 import InputCopyable from '../../components/InputCopyable.vue';
-import { useStyleStore } from '@/stores/style.store';
 
 const styleStore = useStyleStore();
 

src/tools/json-viewer/json-viewer.vue

@@ -17,44 +17,28 @@
     />
   </n-form-item>
   <n-form-item label="Prettify version of your json">
-    <n-card class="result-card" :style="`min-height: ${inputElementHeight ?? 400}px`">
-      <n-config-provider :hljs="hljs">
-        <n-code :code="cleanJson" language="json" :trim="false" />
-      </n-config-provider>
-      <n-button v-if="cleanJson" class="copy-button" secondary @click="copy">Copy</n-button>
-    </n-card>
+    <textarea-copyable :value="cleanJson" language="json" :follow-height-of="inputElement" />
   </n-form-item>
 </template>
 
 <script setup lang="ts">
-import { useCopy } from '@/composable/copy';
+import TextareaCopyable from '@/components/TextareaCopyable.vue';
 import { useValidation } from '@/composable/validation';
-import { useElementSize } from '@vueuse/core';
-import hljs from 'highlight.js/lib/core';
-import json from 'highlight.js/lib/languages/json';
+import { withDefaultOnError } from '@/utils/defaults';
+import JSON5 from 'json5';
 import { computed, ref } from 'vue';
 
-hljs.registerLanguage('json', json);
 const inputElement = ref<HTMLElement>();
-const { height: inputElementHeight } = useElementSize(inputElement);
 
 const rawJson = ref('{"hello": "world"}');
-const cleanJson = computed(() => {
-  try {
-    return JSON.stringify(JSON.parse(rawJson.value), null, 3);
-  } catch (_) {
-    return '';
-  }
-});
-
-const { copy } = useCopy({ source: cleanJson });
+const cleanJson = computed(() => withDefaultOnError(() => JSON.stringify(JSON5.parse(rawJson.value), null, 3), ''));
 
 const rawJsonValidation = useValidation({
   source: rawJson,
   rules: [
     {
-      validator: (v) => v === '' || JSON.parse(v),
-      message: 'Invalid json',
+      validator: (v) => v === '' || JSON5.parse(v),
+      message: 'Provided JSON is not valid.',
     },
   ],
 });

src/tools/lorem-ipsum-generator/lorem-ipsum-generator.vue

@@ -30,8 +30,8 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { ref, computed } from 'vue';
-import { generateLoremIpsum } from './lorem-ipsum-generator.service';
 import { randIntFromInterval } from '@/utils/random';
+import { generateLoremIpsum } from './lorem-ipsum-generator.service';
 
 const paragraphs = ref(1);
 const sentences = ref([3, 8]);

src/tools/math-evaluator/math-evaluator.vue

@@ -21,18 +21,13 @@
 </template>
 
 <script setup lang="ts">
+import { withDefaultOnError } from '@/utils/defaults';
 import { evaluate } from 'mathjs';
 import { computed, ref } from 'vue';
 
 const expression = ref('');
 
-const result = computed(() => {
-  try {
-    return evaluate(expression.value) ?? '';
-  } catch (_) {
-    return '';
-  }
-});
+const result = computed(() => withDefaultOnError(() => evaluate(expression.value) ?? '', ''));
 </script>
 
 <style lang="less" scoped></style>

src/tools/qr-code-generator/qr-code-generator.vue

@@ -32,9 +32,9 @@
 
 <script setup lang="ts">
 import { useDownloadFileFromBase64 } from '@/composable/downloadBase64';
-import { useQRCode } from './useQRCode';
 import { ref } from 'vue';
 import type { QRCodeErrorCorrectionLevel } from 'qrcode';
+import { useQRCode } from './useQRCode';
 
 const foreground = ref('#000000ff');
 const background = ref('#ffffffff');

src/tools/sql-prettify/sql-prettify.vue

@@ -58,27 +58,17 @@
     />
   </n-form-item>
   <n-form-item label="Prettify version of your query">
-    <n-card class="result-card" :style="`min-height: ${inputElementHeight ?? 400}px`">
-      <n-config-provider :hljs="hljs">
-        <n-code :code="prettySQL" language="sql" :trim="false" />
-      </n-config-provider>
-      <n-button v-if="prettySQL" class="copy-button" secondary @click="copy">Copy</n-button>
-    </n-card>
+    <textarea-copyable :value="prettySQL" language="sql" :follow-height-of="inputElement" />
   </n-form-item>
 </template>
 
 <script setup lang="ts">
-import { useCopy } from '@/composable/copy';
+import TextareaCopyable from '@/components/TextareaCopyable.vue';
 import { useStyleStore } from '@/stores/style.store';
-import { useElementSize } from '@vueuse/core';
-import hljs from 'highlight.js/lib/core';
-import sqlHljs from 'highlight.js/lib/languages/sql';
 import { format as formatSQL, type FormatFnOptions } from 'sql-formatter';
 import { computed, reactive, ref } from 'vue';
-hljs.registerLanguage('sql', sqlHljs);
 
 const inputElement = ref<HTMLElement>();
-const { height: inputElementHeight } = useElementSize(inputElement);
 const styleStore = useStyleStore();
 const config = reactive<Partial<FormatFnOptions>>({
   keywordCase: 'upper',
@@ -90,7 +80,6 @@ const config = reactive<Partial<FormatFnOptions>>({
 
 const rawSQL = ref('select field1,field2,field3 from my_table where my_condition;');
 const prettySQL = computed(() => formatSQL(rawSQL.value, config));
-const { copy } = useCopy({ source: prettySQL });
 </script>
 
 <style lang="less" scoped>

src/tools/svg-placeholder-generator/index.ts

@@ -0,0 +1,11 @@
+import { ImageOutlined } from '@vicons/material';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'SVG placeholder generator',
+  path: '/svg-placeholder-generator',
+  description: 'Generate svg images to use as placeholder in your applications.',
+  keywords: ['svg', 'placeholder', 'generator', 'image', 'size', 'mockup'],
+  component: () => import('./svg-placeholder-generator.vue'),
+  icon: ImageOutlined,
+});

src/tools/svg-placeholder-generator/svg-placeholder-generator.vue

@@ -0,0 +1,90 @@
+<template>
+  <div>
+    <n-form label-placement="left" label-width="100">
+      <n-space item-style="flex:1 1 0">
+        <n-form-item label="Width (in px)">
+          <n-input-number v-model:value="width" placeholder="SVG width..." min="1" />
+        </n-form-item>
+        <n-form-item label="Background">
+          <n-color-picker v-model:value="bgColor" :modes="['hex']" />
+        </n-form-item>
+      </n-space>
+      <n-space item-style="flex:1 1 0">
+        <n-form-item label="Height (in px)">
+          <n-input-number v-model:value="height" placeholder="SVG height..." min="1" />
+        </n-form-item>
+        <n-form-item label="Text color">
+          <n-color-picker v-model:value="fgColor" :modes="['hex']" />
+        </n-form-item>
+      </n-space>
+      <n-space item-style="flex:1 1 0">
+        <n-form-item label="Font size">
+          <n-input-number v-model:value="fontSize" placeholder="Font size..." min="1" />
+        </n-form-item>
+        <n-form-item label="Custom text">
+          <n-input v-model:value="customText" :placeholder="`Default is ${width}x${height}`" />
+        </n-form-item>
+      </n-space>
+      <n-form-item label="Use exact size" label-placement="left">
+        <n-switch v-model:value="useExactSize" />
+      </n-form-item>
+    </n-form>
+
+    <n-form-item label="SVG HTML element">
+      <textarea-copyable :value="svgString" copy-placement="none" />
+    </n-form-item>
+    <n-form-item label="SVG in Base64">
+      <textarea-copyable :value="base64" copy-placement="none" />
+    </n-form-item>
+
+    <n-space justify="center">
+      <n-button secondary @click="copySVG()">Copy svg</n-button>
+      <n-button secondary @click="copyBase64()">Copy base64</n-button>
+      <n-button secondary @click="download()">Download svg</n-button>
+    </n-space>
+  </div>
+
+  <n-space vertical justify="start">
+    <img :src="base64" alt="Image" />
+  </n-space>
+</template>
+
+<script setup lang="ts">
+import TextareaCopyable from '@/components/TextareaCopyable.vue';
+import { useCopy } from '@/composable/copy';
+import { useDownloadFileFromBase64 } from '@/composable/downloadBase64';
+import { textToBase64 } from '@/utils/base64';
+import { computed, ref } from 'vue';
+
+const width = ref(600);
+const height = ref(350);
+const fontSize = ref(26);
+const bgColor = ref('#cccccc');
+const fgColor = ref('#333333');
+const useExactSize = ref(true);
+const customText = ref('');
+const svgString = computed(() => {
+  const w = width.value;
+  const h = height.value;
+  const text = customText.value.length > 0 ? customText.value : `${w}x${h}`;
+  const size = useExactSize.value ? ` width="${w}" height="${h}"` : '';
+
+  return `
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 ${w} ${h}"${size}>
+  <rect width="${w}" height="${h}" fill="${bgColor.value}"></rect>
+  <text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" font-family="monospace" font-size="${fontSize.value}px" fill="${fgColor.value}">${text}</text>   
+</svg>
+  `.trim();
+});
+const base64 = computed(() => 'data:image/svg+xml;base64,' + textToBase64(svgString.value));
+
+const { copy: copySVG } = useCopy({ source: svgString });
+const { copy: copyBase64 } = useCopy({ source: base64 });
+const { download } = useDownloadFileFromBase64({ source: base64 });
+</script>
+
+<style lang="less" scoped>
+.n-input-number {
+  width: 100%;
+}
+</style>

src/tools/url-encoder/url-encoder.vue

@@ -60,16 +60,11 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { useValidation } from '@/composable/validation';
+import { withDefaultOnError } from '@/utils/defaults';
 import { computed, ref } from 'vue';
 
 const encodeInput = ref('Hello world :)');
-const encodeOutput = computed(() => {
-  try {
-    return encodeURIComponent(encodeInput.value);
-  } catch (_) {
-    return '';
-  }
-});
+const encodeOutput = computed(() => withDefaultOnError(() => encodeURIComponent(encodeInput.value), ''));
 
 const encodedValidation = useValidation({
   source: encodeInput,
@@ -91,14 +86,7 @@ const encodedValidation = useValidation({
 const { copy: copyEncoded } = useCopy({ source: encodeOutput, text: 'Encoded string copied to the clipboard' });
 
 const decodeInput = ref('Hello%20world%20%3A)');
-
-const decodeOutput = computed(() => {
-  try {
-    return decodeURIComponent(decodeInput.value);
-  } catch (_) {
-    return '';
-  }
-});
+const decodeOutput = computed(() => withDefaultOnError(() => decodeURIComponent(decodeInput.value), ''));
 
 const decodeValidation = useValidation({
   source: encodeInput,

src/tools/url-parser/url-parser.vue

@@ -29,17 +29,13 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue';
 import { SubdirectoryArrowRightRound } from '@vicons/material';
-import InputCopyable from '../../components/InputCopyable.vue';
 import { useValidation } from '@/composable/validation';
+import { withDefaultOnError } from '@/utils/defaults';
+import InputCopyable from '../../components/InputCopyable.vue';
 
 const urlToParse = ref('https://me:pwd@it-tools.tech:3000/url-parser?key1=value&key2=value2#the-hash');
-const urlParsed = computed<URL | undefined>(() => {
-  try {
-    return new URL(urlToParse.value);
-  } catch (_) {
-    return undefined;
-  }
-});
+
+const urlParsed = computed(() => withDefaultOnError(() => new URL(urlToParse.value), undefined));
 const validation = useValidation({
   source: urlToParse,
   rules: [

src/utils/base64.test.ts

@@ -0,0 +1,69 @@
+import { describe, expect, it } from 'vitest';
+import { base64ToText, isValidBase64, removePotentialDataAndMimePrefix, textToBase64 } from './base64';
+
+describe('base64 utils', () => {
+  describe('textToBase64', () => {
+    it('should convert string into base64', () => {
+      expect(textToBase64('')).to.eql('');
+      expect(textToBase64('a')).to.eql('YQ==');
+      expect(textToBase64('lorem ipsum')).to.eql('bG9yZW0gaXBzdW0=');
+      expect(textToBase64('-1')).to.eql('LTE=');
+    });
+  });
+
+  describe('base64ToText', () => {
+    it('should convert base64 into text', () => {
+      expect(base64ToText('')).to.eql('');
+      expect(base64ToText('YQ==')).to.eql('a');
+      expect(base64ToText('bG9yZW0gaXBzdW0=')).to.eql('lorem ipsum');
+      expect(base64ToText('data:text/plain;base64,bG9yZW0gaXBzdW0=')).to.eql('lorem ipsum');
+      expect(base64ToText('LTE=')).to.eql('-1');
+    });
+
+    it('should throw for incorrect base64 string', () => {
+      expect(() => base64ToText('a')).to.throw('Incorrect base64 string');
+      expect(() => base64ToText(' ')).to.throw('Incorrect base64 string');
+      expect(() => base64ToText('é')).to.throw('Incorrect base64 string');
+      // missing final '='
+      expect(() => base64ToText('bG9yZW0gaXBzdW0')).to.throw('Incorrect base64 string');
+    });
+  });
+
+  describe('isValidBase64', () => {
+    it('should return true for correct base64 string', () => {
+      expect(isValidBase64('')).to.eql(true);
+      expect(isValidBase64('bG9yZW0gaXBzdW0=')).to.eql(true);
+      expect(isValidBase64('LTE=')).to.eql(true);
+      expect(isValidBase64('YQ==')).to.eql(true);
+      expect(isValidBase64('data:text/plain;base64,YQ==')).to.eql(true);
+    });
+
+    it('should return false for incorrect base64 string', () => {
+      expect(isValidBase64('a')).to.eql(false);
+      expect(isValidBase64(' ')).to.eql(false);
+      expect(isValidBase64('é')).to.eql(false);
+      expect(isValidBase64('data:text/plain;notbase64,YQ==')).to.eql(false);
+      // missing final '='
+      expect(isValidBase64('bG9yZW0gaXBzdW0')).to.eql(false);
+    });
+
+    it('should return false for untrimmed correct base64 string', () => {
+      expect(isValidBase64('bG9yZW0gaXBzdW0= ')).to.eql(false);
+      expect(isValidBase64(' LTE=')).to.eql(false);
+      expect(isValidBase64(' YQ== ')).to.eql(false);
+    });
+  });
+
+  describe('removePotentialDataAndMimePrefix', () => {
+    it('should remove data prefix of string', () => {
+      expect(removePotentialDataAndMimePrefix('')).to.eql('');
+      expect(removePotentialDataAndMimePrefix('lorem ipsum')).to.eql('lorem ipsum');
+      expect(removePotentialDataAndMimePrefix('bG9yZW0gaXBzdW0=')).to.eql('bG9yZW0gaXBzdW0=');
+      expect(removePotentialDataAndMimePrefix('data:image/jpeg;base64,lorem')).to.eql('lorem');
+      expect(removePotentialDataAndMimePrefix('data:image/jpeg;notbase64,lorem')).to.eql(
+        'data:image/jpeg;notbase64,lorem',
+      );
+      expect(removePotentialDataAndMimePrefix('data:unknownmime;base64,lorem')).to.eql('lorem');
+    });
+  });
+});

src/utils/base64.ts

@@ -0,0 +1,33 @@
+export { textToBase64, base64ToText, isValidBase64, removePotentialDataAndMimePrefix };
+
+function textToBase64(str: string) {
+  return window.btoa(str);
+}
+
+function base64ToText(str: string) {
+  if (!isValidBase64(str)) {
+    throw new Error('Incorrect base64 string');
+  }
+
+  const cleanStr = removePotentialDataAndMimePrefix(str);
+
+  try {
+    return window.atob(cleanStr);
+  } catch (_) {
+    throw new Error('Incorrect base64 string');
+  }
+}
+
+function removePotentialDataAndMimePrefix(str: string) {
+  return str.replace(/^data:.*?;base64,/, '');
+}
+
+function isValidBase64(str: string) {
+  const cleanStr = removePotentialDataAndMimePrefix(str);
+
+  try {
+    return window.btoa(window.atob(cleanStr)) === cleanStr;
+  } catch (err) {
+    return false;
+  }
+}

src/utils/defaults.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, it } from 'vitest';
+import { withDefaultOnError } from './defaults';
+
+describe('defaults util', () => {
+  describe('withDefaultOnError', () => {
+    it('should return the callback or the default one if the callback throws', () => {
+      expect(withDefaultOnError(() => 'original', 'default')).to.eql('original');
+    });
+
+    expect(
+      withDefaultOnError(() => {
+        throw '';
+      }, 'default'),
+    ).to.eql('default');
+  });
+});

src/utils/defaults.ts

@@ -0,0 +1,9 @@
+export { withDefaultOnError };
+
+function withDefaultOnError<A, B>(cb: () => A, defaultValue: B): A | B {
+  try {
+    return cb();
+  } catch (_) {
+    return defaultValue;
+  }
+}