mirror of
https://github.com/discourse/discourse.git
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2ca06ba236
This PR introduces FormKit, a component-based form library designed to simplify form creation and management. This library provides a single `Form` component, various field components, controls, validation mechanisms, and customization options. Additionally, it includes helpers to facilitate testing and writing specifications for forms.
1. **Form Component**:
- The main component that encapsulates form logic and structure.
- Yields various utilities like `Field`, `Submit`, `Alert`, etc.
**Example Usage**:
```gjs
import Form from "discourse/form";
<template>
<Form as |form|>
<form.Field
@name="username"
@title="Username"
@validation="required"
as |field|
>
<field.Input />
</form.Field>
<form.Field @name="age" @title="Age" as |field|>
<field.Input @type="number" />
</form.Field>
<form.Submit />
</Form>
</template>
```
2. **Validation**:
- Built-in validation rules such as `required`, `number`, `length`, and `url`.
- Custom validation callbacks for more complex validation logic.
**Example Usage**:
```javascript
validateUsername(name, value, data, { addError }) {
if (data.bar / 2 === value) {
addError(name, "That's not how maths work.");
}
}
```
```hbs
<form.Field @name="username" @validate={{this.validateUsername}} />
```
3. **Customization**:
- Plugin outlets for extending form functionality.
- Styling capabilities through propagated attributes.
- Custom controls with properties provided by `form` and `field`.
**Example Usage**:
```hbs
<Form class="my-form" as |form|>
<form.Field class="my-field" as |field|>
<MyCustomControl id={{field.id}} @onChange={{field.set}} />
</form.Field>
</Form>
```
4. **Helpers for Testing**:
- Test assertions for form and field validation.
**Example usage**:
```javascript
assert.form().hasErrors("the form shows errors");
assert.form().field("foo").hasValue("bar", "user has set the value");
```
- Helper for interacting with he form
**Example usage**:
```javascript
await formKit().field("foo").fillIn("bar");
```
5. **Page Object for System Specs**:
- Page objects for interacting with forms in system specs.
- Methods for submitting forms, checking alerts, and interacting with fields.
**Example Usage**:
```ruby
form = PageObjects::Components::FormKit.new(".my-form")
form.submit
expect(form).to have_an_alert("message")
```
**Field Interactions**:
```ruby
field = form.field("foo")
expect(field).to have_value("bar")
field.fill_in("bar")
```
6. **Collections handling**:
- A specific component to handle array of objects
**Example Usage**:
```gjs
<Form @data={{hash foo=(array (hash bar=1) (hash bar=2))}} as |form|>
<form.Collection @name="foo" as |collection|>
<collection.Field @name="bar" @title="Bar" as |field|>
<field.Input />
</collection.Field>
</form.Collection>
</Form>
```
211 lines
3.8 KiB
SCSS
211 lines
3.8 KiB
SCSS
// These CSS custom properties are added here instead of in variables.scss
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// because variables.scss is injected into every theme CSS file
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// which causes problems when overriding custom properties in themes
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:root {
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--topic-body-width: #{$topic-body-width};
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--topic-body-width-padding: #{$topic-body-width-padding};
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--topic-avatar-width: #{$topic-avatar-width};
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--d-border-radius: 2px;
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--d-border-radius-large: 2px;
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--d-nav-pill-border-radius: var(--d-border-radius);
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--d-button-border-radius: 2px;
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--d-input-border-radius: 2px;
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--d-content-background: initial;
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--d-font-family--monospace: Consolas, Menlo, Monaco, "Lucida Console",
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"Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono",
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"Courier New", monospace;
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--d-button-transition: none;
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}
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// --------------------------------------------------
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// Base styles for HTML elements
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// --------------------------------------------------
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html {
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color: var(--primary);
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font-family: var(--font-family);
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font-size: var(--base-font-size);
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line-height: var(--line-height-large);
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background-color: var(--secondary);
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overflow-y: scroll;
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direction: ltr;
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&.text-size-smallest {
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font-size: var(--base-font-size-smallest);
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}
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&.text-size-smaller {
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font-size: var(--base-font-size-smaller);
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}
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&.text-size-larger {
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font-size: var(--base-font-size-larger);
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}
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&.text-size-largest {
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font-size: var(--base-font-size-largest);
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}
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}
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// Links
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// --------------------------------------------------
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a {
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color: var(--tertiary);
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text-decoration: none;
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cursor: pointer;
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&:visited {
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color: var(--tertiary);
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}
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&:hover {
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color: var(--tertiary);
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}
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&:active {
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color: var(--tertiary);
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}
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}
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// Typography
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// --------------------------------------------------
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hr {
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display: block;
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height: 1px;
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margin: 1em 0;
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border: 0;
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border-top: 1px solid var(--primary-low);
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padding: 0;
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}
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// Lists
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// --------------------------------------------------
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ul,
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ol,
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dd {
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margin: 1em 0 1em 1.25em;
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padding: 0;
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}
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.cooked ul,
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.cooked ol,
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.cooked dd {
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clear: both;
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}
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.cooked,
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.d-editor-preview {
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ul,
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ol {
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padding-left: 1.25em;
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}
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}
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li,
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.cooked li,
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.d-editor-preview li {
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> ul,
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> ol {
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margin: 0;
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}
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}
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// Embedded content
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// --------------------------------------------------
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img {
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vertical-align: middle;
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}
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.svg-icon {
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color: inherit;
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}
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// Forms
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// --------------------------------------------------
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fieldset {
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margin: 0;
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border: 0;
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padding: 0;
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}
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pre code {
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overflow: auto;
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-moz-tab-size: 4;
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tab-size: 4;
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&.lang-markdown {
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white-space: pre-wrap;
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}
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}
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// Tables
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// --------------------------------------------------
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table {
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border-collapse: collapse;
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}
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tbody {
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border-top: 3px solid var(--primary-low);
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}
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.topic-list-item,
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tr {
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border-bottom: 1px solid var(--primary-low);
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@media (prefers-reduced-motion: no-preference) {
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&.highlighted {
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animation: background-fade-highlight 2.5s ease-out;
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}
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}
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}
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// https://en.wikipedia.org/wiki/Ruby_character
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ruby > rt {
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font-size: 72%; // ~10px with 14px base
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}
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// Buttons (was in normalized)
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// --------------------------------------------------
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button,
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html input[type="button"],
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input[type="reset"],
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input[type="submit"] {
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cursor: pointer;
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}
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// Inline form
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// --------------------------------------------------
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.inline-form {
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display: inline-flex;
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align-items: center;
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flex-wrap: wrap;
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&.full-width {
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display: flex;
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}
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> input[type="text"],
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> input[type="search"],
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> input[type="password"] {
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display: inline-flex;
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flex: 1;
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}
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> .select-kit,
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> input[type="text"],
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> input[type="search"],
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> input[type="password"],
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> label,
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> .btn,
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> .d-date-input {
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margin-bottom: 0.5em; // for when items wrap (mobile, narrow windows)
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margin-right: 0.5em;
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&:last-child {
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margin-right: 0;
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}
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}
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}
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