browsertrix/frontend/src/components/button.ts

162 lines
3.6 KiB
TypeScript

/* eslint-disable lit/binding-positions */
/* eslint-disable lit/no-invalid-html */
import { LitElement, css } from "lit";
import { html, literal } from "lit/static-html.js";
import { customElement, property } from "lit/decorators.js";
import { classMap } from "lit/directives/class-map.js";
import { ifDefined } from "lit/directives/if-defined.js";
/**
* Custom styled button
*
* Usage example:
* ```ts
* <btrix-button>Click me</btrix-button>
* ```
*/
@customElement("btrix-button")
export class Button extends LitElement {
@property({ type: String })
type: "submit" | "button" = "button";
@property({ type: String })
variant: "primary" | "danger" | "neutral" = "neutral";
@property({ type: String })
label?: string;
@property({ type: String })
href?: string;
@property({ type: Boolean })
raised = false;
@property({ type: Boolean })
disabled: boolean = false;
@property({ type: Boolean })
loading: boolean = false;
@property({ type: Boolean })
icon: boolean = false;
static styles = css`
:host {
display: inline-block;
}
::slotted(sl-icon) {
display: block;
font-size: 1rem;
}
.button {
all: unset;
display: flex;
gap: var(--sl-spacing-x-small);
align-items: center;
justify-content: center;
border-radius: var(--sl-border-radius-small);
box-sizing: border-box;
font-weight: 500;
text-align: center;
cursor: pointer;
transform: translateY(0px);
transition: background-color 0.15s, box-shadow 0.15s, color 0.15s,
transform 0.15s;
}
.button[disabled] {
cursor: not-allowed;
background-color: var(--sl-color-neutral-100) !important;
color: var(--sl-color-neutral-300) !important;
}
.button.icon {
min-width: 1.5rem;
min-height: 1.5rem;
padding: 0 var(--sl-spacing-2x-small);
}
.button:not(.icon) {
height: var(--sl-input-height-small);
padding: 0 var(--sl-spacing-x-small);
}
.raised {
box-shadow: var(--sl-shadow-x-small);
}
:not([aria-disabled]) .raised:not([disabled]):hover {
box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.1);
transform: translateY(1px);
}
.primary {
background-color: var(--sl-color-blue-50);
color: var(--sl-color-blue-600);
}
:not([aria-disabled]) .primary:hover {
background-color: var(--sl-color-blue-100);
}
.danger {
background-color: var(--sl-color-danger-50);
color: var(--sl-color-danger-600);
}
:not([aria-disabled]) .danger:hover {
background-color: var(--sl-color-danger-100);
}
.neutral {
color: var(--sl-color-neutral-600);
}
.neutral:hover {
color: var(--sl-color-blue-500);
}
`;
render() {
const tag = this.href ? literal`a` : literal`button`;
return html`<${tag}
type=${this.type === "submit" ? "submit" : "button"}
class=${classMap({
button: true,
[this.variant]: true,
icon: this.icon,
raised: this.raised,
})}
?disabled=${this.disabled}
href=${ifDefined(this.href)}
aria-label=${ifDefined(this.label)}
@click=${this.handleClick}
>
${this.loading ? html`<sl-spinner></sl-spinner>` : html`<slot></slot>`}
</${tag}>`;
}
private handleClick(e: MouseEvent) {
if (this.disabled || this.loading) {
e.preventDefault();
e.stopPropagation();
return;
}
if (this.type === "submit") {
this.submit();
}
}
private submit() {
const form = (this.closest("form") ||
this.closest("form")) as HTMLFormElement;
if (form) {
form.submit();
}
}
}