just-validate瀏覽器端驗證框架示例

地址：Just-validate

package.json:

{
  "name": "vanilla-template",
  "version": "1.0.0",
  "type": "module",
  "scripts": {
    "dev": "farm",
    "start": "farm",
    "build": "farm build",
    "preview": "farm preview",
    "clean": "farm clean"
  },
  "devDependencies": {
    "@farmfe/cli": "^1.0.3",
    "@farmfe/core": "^1.3.12",
    "typescript": "^5.5.4"
  },
  "dependencies": {
    "just-validate": "^4.3.0"
  }
}

index.css:

/**
 * Any CSS included here will be global. The classic template
 * bundles Infima by default. Infima is a CSS framework designed to
 * work well for content-centric websites.
 */

/* You can override the default Infima variables here. */

@import url('https://fonts.googleapis.com/css2?family=Montserrat&display=swap');

:root {
    --ifm-color-primary: #2e8555;
    --ifm-color-primary-dark: #29784c;
    --ifm-color-primary-darker: #277148;
    --ifm-color-primary-darkest: #205d3b;
    --ifm-color-primary-light: #33925d;
    --ifm-color-primary-lighter: #359962;
    --ifm-color-primary-lightest: #3cad6e;
    --ifm-code-font-size: 95%;

    --white-background: #fff;
    --grey: #ccc;
    --main-color: #4f46e5;
    --secondary-color: #271dd7;
    --error-color: #b81111;
    --green: #198754;
    --shadow: #0d013b19;
    --black: #0f0f0f;
    --why1: #f4f3ff;
    --why2: #eaf5ff;
    --why3: #f4f3ff;
    --white: #fff;
}

.main {
    font-family: 'Montserrat';
    --ifm-heading-font-family: 'Montserrat';
    max-width: 1240px;
    padding: 0 8px;
    margin: auto;
}

/* For readability concerns, you should choose a lighter palette in dark mode. */
[data-theme='dark'] {
    --ifm-color-primary: #25c2a0;
    --ifm-color-primary-dark: #21af90;
    --ifm-color-primary-darker: #1fa588;
    --ifm-color-primary-darkest: #1a8870;
    --ifm-color-primary-light: #29d5b0;
    --ifm-color-primary-lighter: #32d8b4;
    --ifm-color-primary-lightest: #4fddbf;
    --docusaurus-highlighted-code-line-bg: rgba(0, 0, 0, 0.3);
    --white-background: #ccc;
    --shadow: #3f3d3d;
}

.input {
    border-radius: 4px;
    border: 1px solid var(--grey);
    padding: 10px 12px;
    display: block;
    font-size: 16px;
    width: 100%;
    font-family: inherit;
}

.input:focus {
    border-color: var(--main-color);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgb(79 70 229 / 25%);
}

.input.just-validate-error-field {
    border-color: var(--error-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23B81111'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23B81111' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.input.just-validate-success-field {
    border-color: var(--green);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.input.just-validate-success-field:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 0.25rem rgb(25 135 84 / 25%);
}

.input.just-validate-error-field:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.25rem rgb(220 53 69 / 25%);
}

.input.just-validate-error-field+.info-icon {
    display: block;
}

.input-label {
    font-size: 16px;
    padding-bottom: 4px;
    display: block;
}

.flex {
    display: flex;
    align-items: center;
}

.button {
    background: var(--main-color);
    color: var(--white-background);
    padding: 8px 22px;
    border: 0;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 400;
    font-size: 16px;
    transition: background-color ease 300ms;
}

.button:hover {
    background: var(--secondary-color);
}

.button[data-variant='success'] {
    background-color: var(--green);
}

.button[data-variant='negative'] {
    background-color: var(--error-color);
}

.button[data-variant='secondary'] {
    background-color: var(--white);
    color: var(--black);
    border-radius: 20px;
}

.just-validate-success-label {
    color: var(--green);
}

.control-wrapper {
    margin-bottom: 16px;
    position: relative;
}

.label-invalid {
    font-size: 16px;
}

.input-wrapper {
    position: relative;
}

.input::file-selector-button {
    border: 1px solid var(--main-color);
    color: var(--main-color);
    background-color: var(--white-background);
    padding: 8px 22px;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 400;
    font-size: 16px;
}

.select {
    /*background-color: var(--white-background);*/
    border: 1px solid var(--grey);
    border-radius: 4px;
    display: inline-block;
    font: inherit;
    line-height: 1.5em;
    padding: 0.5em 3.5em 0.5em 1em;
    margin: 0;
    box-sizing: border-box;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.select.minimal {
    background-image: linear-gradient(45deg, transparent 50%, gray 50%),
        linear-gradient(135deg, gray 50%, transparent 50%),
        linear-gradient(to right, #ccc, #ccc);
    background-position: calc(100% - 20px) calc(1em + 2px),
        calc(100% - 15px) calc(1em + 2px), calc(100% - 2.5em) 0.5em;
    background-size: 5px 5px, 5px 5px, 1px 1.5em;
    background-repeat: no-repeat;
}

.select.minimal:focus {
    background-image: linear-gradient(45deg, green 50%, transparent 50%),
        linear-gradient(135deg, transparent 50%, green 50%),
        linear-gradient(to right, #ccc, #ccc);
    background-position: calc(100% - 15px) 1em, calc(100% - 20px) 1em,
        calc(100% - 2.5em) 0.5em;
    background-size: 5px 5px, 5px 5px, 1px 1.5em;
    background-repeat: no-repeat;
    border-color: var(--main-color);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgb(79 70 229 / 25%);
}

.select.just-validate-error-field {
    border-color: var(--error-color);
}

.select.just-validate-error-field:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.25rem rgb(220 53 69 / 25%);
}

.select:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #000;
}

.checkbox {
    position: relative;
    width: 20px;
    height: 20px;
    color: #000;
    border: 1px solid var(--grey);
    border-radius: 4px;
    appearance: none;
    outline: 0;
    cursor: pointer;
    transition: background 175ms cubic-bezier(0.1, 0.1, 0.25, 1);
}

.checkbox:before {
    position: absolute;
    content: '';
    display: block;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 9px;
    border-style: solid;
    border-color: white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
}

.checkbox:focus {
    border-color: var(--main-color);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgb(79 70 229 / 25%);
}

.checkbox:checked {
    background: var(--main-color);
    border-color: var(--main-color);
}

.checkbox:checked:before {
    opacity: 1;
}

.checkbox.just-validate-error-field {
    border-color: var(--error-color);
}

.checkbox.just-validate-error-field:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.25rem rgb(220 53 69 / 25%);
}

.checkbox-wrapper {
    display: flex;
}

.radio {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
    font: inherit;
    color: currentColor;
    width: 20px;
    height: 20px;
    border: 1px solid var(--grey);
    border-radius: 50%;
    transform: translateY(-0.075em);
    display: grid;
    place-content: center;
}

.radio::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    background-color: var(--main-color);
}

.radio:checked::before {
    transform: scale(1);
}

.radio:focus {
    border-color: var(--main-color);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgb(79 70 229 / 25%);
}

.form-wrapper {
    box-shadow: 0 0 20px var(--shadow);
    border-radius: 43px;
    padding: 26px;
}

.wrap {
    max-width: 1240px;
    margin: 0 auto;
}

.intro {
    border-radius: 20px;
    background-color: var(--main-color);
    display: flex;
    justify-content: space-between;
    height: 570px;
    color: var(--white);
    overflow: hidden;
}

.intro-left {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 712px;
}

.intro-right {
    width: 551px;
    height: 100%;
    background: transparent no-repeat url('/img/intro.svg');
}

.intro-title {
    font-weight: 600;
    font-size: 48px;
}

.intro-text {
    font-weight: 500;
    font-size: 18px;
    line-height: 22px;
}

.title {
    font-weight: 400;
    font-size: 36px;
    line-height: 44px;
    color: var(--black);
    text-align: center;
}

.subtitle {
    color: var(--black);
    text-align: center;
    font-size: 18px;
    line-height: 24px;
    max-width: 855px;
    margin: auto;
}

.features {
    display: flex;
    justify-content: space-between;
}

.features-img {
    max-width: 660px;
    width: 100%;
}

.features-item {
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--main-color);
    color: var(--white);
    margin-bottom: 20px;
    width: max-content;
}

.features-item::before {
    content: '';
    width: 13px;
    height: 10px;
    background: url('/img/check.svg');
    display: inline-block;
    margin-right: 10px;
}

.why-item-code {
    max-width: 570px;
    margin-left: 16px;
    color: var(--black);
    width: 100%;
}

.why-item {
    margin-bottom: 50px;
    border-radius: 20px;
    background-color: var(--why1);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.why-item-content {
    display: flex;
    flex-direction: column;
}

.why-item:nth-child(odd) {
    background-color: var(--why2);
}

.why-item__title {
    font-weight: 500;
    font-size: 24px;
    line-height: 29px;
    padding-bottom: 12px;
    color: var(--black);
}

.why-item__text {
    font-size: 16px;
    line-height: 20px;
    color: var(--black);
}

.used-by-title {
    font-weight: 600;
    font-size: 24px;
    line-height: 29px;
    color: var(--main-color);
}

.used-by-count {
    font-weight: 500;
    font-size: 64px;
    line-height: 78px;
    color: var(--main-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.used-by-text {
    font-weight: 500;
    font-size: 24px;
    line-height: 29px;
    color: var(--main-color);
    margin-left: 10px;
}

.demo-label {
    background-color: #f4f3ff;
    border-radius: 18px;
    font-weight: 500;
    font-size: 16px;
    padding: 3px 16px;
    display: inline-block;
    color: var(--black);
}

.demo-app {
    max-width: 600px;
    margin: auto;
}

[data-theme='dark'] .title,
[data-theme='dark'] .subtitle {
    --black: #fff;
}

.mt-4 {
    margin-top: 4px;
}

.mt-30 {
    margin-top: 30px;
}

.mt-80 {
    margin-top: 80px;
}

.center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 4px;
}

.mb-8 {
    margin-bottom: 8px;
}

.mb-16 {
    margin-bottom: 16px;
}

.mb-32 {
    margin-bottom: 32px;
}

.ml-4 {
    margin-left: 4px;
}

.ml-8 {
    margin-left: 8px;
}

.pb-0 {
    padding-bottom: 0;
}

.row {
    display: flex;
}

.col {
    flex: 1 0 0%;
    padding: 0 16px;
    width: 100%;
}

.inline-block {
    display: inline-block;
}

@media all and (max-width: 920px) {
    .features {
        flex-direction: column;
        align-items: center;
    }

    .features-col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .why-item {
        flex-direction: column;
        align-items: center;
    }

    .why-item-code {
        margin-top: 16px;
    }
}

@media all and (max-width: 460px) {
    .intro-right {
        display: none;
    }
}

index.html:

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
  <title>Farm</title>
</head>

<body>
  <form id="basic_form" autocomplete="off" novalidate="novalidate">
    <div class="control-wrapper">
      <label class="input-label" for="basic_name">Name</label>
      <div class="input-wrapper">
        <input id="basic_name" class="input" autocomplete="off" type="text" placeholder="Enter your name" />
      </div>
    </div>
    <div class="control-wrapper">
      <label class="input-label" for="basic_email">Email</label>
      <div class="input-wrapper">
        <input id="basic_email" class="input" autocomplete="off" type="text" placeholder="Enter your email" />
      </div>
    </div>
    <div class="control-wrapper">
      <label class="input-label" for="basic_password">Password</label>
      <div class="input-wrapper">
        <input id="basic_password" class="input" autocomplete="off" type="text" placeholder="Enter your password" />
      </div>
    </div>
    <div class="control-wrapper">
      <label class="input-label" for="basic_age">Age</label>
      <div class="input-wrapper">
        <input id="basic_age" class="input" autocomplete="off" type="text" placeholder="Enter your age" />
      </div>
    </div>
    <div class="control-wrapper">
      <button id="submit" type="submit" class="button">Submit</button>
    </div>
  </form>
  <script src="./src/main.ts"></script>
</body>

</html>

main.ts:

import JustValidate from 'just-validate';
import "./index.css";

const validator = new JustValidate('#basic_form');

validator
  .addField('#basic_name', [
    {
      rule: 'required',
    },
    {
      rule: 'minLength',
      value: 3,
    },
    {
      rule: 'maxLength',
      value: 15,
    },
  ])
  .addField('#basic_email', [
    {
      rule: 'required',
    },
    {
      rule: 'email',
    },
  ])
  .addField('#basic_password', [
    {
      rule: 'required',
    },
    {
      rule: 'password',
    },
  ])
  .addField('#basic_age', [
    {
      rule: 'required',
    },
    {
      rule: 'number',
    },
    {
      rule: 'minNumber',
      value: 18,
    },
    {
      rule: 'maxNumber',
      value: 150,
    },
  ]);

/*
const submit = document.querySelector("#submit")! as HTMLButtonElement;
submit.onclick = () => {
  validator.revalidate().then((isValid: Boolean) => { if (isValid) { console.log("submitted."); } })
}
*/

validator.onSuccess(() => {
  console.log("submitted.");
});

測試：

pnpm run dev