582 lines
12 KiB
TypeScript
582 lines
12 KiB
TypeScript
import { FolkShape } from "./folk-shape";
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import { css, html } from "./tags";
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const styles = css`
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:host {
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background: white;
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border-radius: 12px;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
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min-width: 200px;
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min-height: 120px;
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}
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:host([data-state="running"]) {
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box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
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}
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:host([data-state="success"]) {
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box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.5);
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}
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:host([data-state="error"]) {
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box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.5);
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}
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.header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 8px 12px;
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background: #f8fafc;
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border-radius: 12px 12px 0 0;
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border-bottom: 1px solid #e2e8f0;
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cursor: move;
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}
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.header-left {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.block-icon {
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width: 28px;
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height: 28px;
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border-radius: 6px;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 14px;
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}
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.block-icon.trigger { background: #dbeafe; }
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.block-icon.action { background: #dcfce7; }
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.block-icon.condition { background: #fef3c7; }
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.block-icon.output { background: #f3e8ff; }
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.block-label {
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font-size: 13px;
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font-weight: 600;
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color: #1e293b;
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}
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.header-actions button {
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background: transparent;
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border: none;
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cursor: pointer;
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padding: 2px;
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color: #64748b;
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font-size: 14px;
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}
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.header-actions button:hover {
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color: #1e293b;
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}
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.content {
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padding: 12px;
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min-height: 60px;
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}
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.ports {
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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.port-row {
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display: flex;
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align-items: center;
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gap: 8px;
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font-size: 12px;
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}
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.port-row.input {
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justify-content: flex-start;
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}
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.port-row.output {
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justify-content: flex-end;
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}
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.port-handle {
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width: 12px;
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height: 12px;
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border-radius: 50%;
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border: 2px solid;
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cursor: pointer;
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transition: transform 0.2s;
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}
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.port-handle:hover {
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transform: scale(1.2);
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}
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.port-handle.string { border-color: #3b82f6; background: #dbeafe; }
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.port-handle.number { border-color: #10b981; background: #d1fae5; }
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.port-handle.boolean { border-color: #f59e0b; background: #fef3c7; }
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.port-handle.any { border-color: #6b7280; background: #f3f4f6; }
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.port-handle.trigger { border-color: #ef4444; background: #fee2e2; }
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.port-label {
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color: #64748b;
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}
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.port-value {
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color: #1e293b;
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font-family: "Monaco", "Consolas", monospace;
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background: #f1f5f9;
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padding: 2px 6px;
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border-radius: 4px;
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max-width: 100px;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.config-area {
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margin-top: 8px;
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padding-top: 8px;
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border-top: 1px solid #e2e8f0;
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}
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.config-field {
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display: flex;
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flex-direction: column;
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gap: 4px;
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margin-bottom: 8px;
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}
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.config-field label {
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font-size: 11px;
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font-weight: 500;
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color: #64748b;
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}
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.config-field input,
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.config-field select {
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padding: 6px 8px;
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border: 1px solid #e2e8f0;
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border-radius: 4px;
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font-size: 12px;
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outline: none;
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}
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.config-field input:focus,
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.config-field select:focus {
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border-color: #3b82f6;
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}
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.status-bar {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 6px 12px;
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background: #f8fafc;
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border-radius: 0 0 12px 12px;
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border-top: 1px solid #e2e8f0;
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font-size: 11px;
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}
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.status-indicator {
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display: flex;
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align-items: center;
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gap: 4px;
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}
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.status-dot {
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width: 6px;
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height: 6px;
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border-radius: 50%;
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}
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.status-dot.idle { background: #6b7280; }
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.status-dot.running { background: #3b82f6; animation: pulse 1s infinite; }
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.status-dot.success { background: #22c55e; }
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.status-dot.error { background: #ef4444; }
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@keyframes pulse {
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0%, 100% { opacity: 1; }
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50% { opacity: 0.5; }
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}
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.run-btn {
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padding: 4px 8px;
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background: #3b82f6;
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color: white;
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border: none;
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border-radius: 4px;
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font-size: 10px;
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font-weight: 500;
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cursor: pointer;
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}
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.run-btn:hover {
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background: #2563eb;
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}
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`;
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export type PortType = "string" | "number" | "boolean" | "any" | "trigger";
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export interface Port {
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name: string;
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type: PortType;
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value?: unknown;
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}
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export type BlockType = "trigger" | "action" | "condition" | "output";
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export type BlockState = "idle" | "running" | "success" | "error";
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declare global {
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interface HTMLElementTagNameMap {
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"folk-workflow-block": FolkWorkflowBlock;
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}
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}
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export class FolkWorkflowBlock extends FolkShape {
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static override tagName = "folk-workflow-block";
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static {
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const sheet = new CSSStyleSheet();
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const parentRules = Array.from(FolkShape.styles.cssRules)
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.map((r) => r.cssText)
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.join("\n");
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const childRules = Array.from(styles.cssRules)
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.map((r) => r.cssText)
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.join("\n");
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sheet.replaceSync(`${parentRules}\n${childRules}`);
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this.styles = sheet;
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}
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#blockType: BlockType = "action";
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#label = "Block";
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#icon = "⚙";
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#state: BlockState = "idle";
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#inputs: Port[] = [];
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#outputs: Port[] = [];
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#config: Record<string, unknown> = {};
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#contentEl: HTMLElement | null = null;
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#statusDot: HTMLElement | null = null;
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#statusText: HTMLElement | null = null;
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get blockType() {
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return this.#blockType;
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}
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set blockType(value: BlockType) {
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this.#blockType = value;
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this.#updateIcon();
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}
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get label() {
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return this.#label;
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}
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set label(value: string) {
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this.#label = value;
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}
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get state() {
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return this.#state;
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}
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set state(value: BlockState) {
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this.#state = value;
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this.setAttribute("data-state", value);
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this.#updateStatus();
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}
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get inputs(): Port[] {
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return this.#inputs;
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}
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set inputs(value: Port[]) {
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this.#inputs = value;
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this.#renderPorts();
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}
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get outputs(): Port[] {
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return this.#outputs;
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}
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set outputs(value: Port[]) {
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this.#outputs = value;
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this.#renderPorts();
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}
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override createRenderRoot() {
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const root = super.createRenderRoot();
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// Parse attributes
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const typeAttr = this.getAttribute("block-type") as BlockType;
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if (typeAttr) this.#blockType = typeAttr;
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const labelAttr = this.getAttribute("label");
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if (labelAttr) this.#label = labelAttr;
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this.#updateIcon();
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const wrapper = document.createElement("div");
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wrapper.innerHTML = html`
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<div class="header">
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<div class="header-left">
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<span class="block-icon ${this.#blockType}">${this.#icon}</span>
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<span class="block-label">${this.#escapeHtml(this.#label)}</span>
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</div>
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<div class="header-actions">
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<button class="settings-btn" title="Settings">⚙</button>
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<button class="close-btn" title="Close">×</button>
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</div>
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</div>
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<div class="content">
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<div class="ports"></div>
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</div>
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<div class="status-bar">
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<div class="status-indicator">
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<span class="status-dot idle"></span>
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<span class="status-text">Idle</span>
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</div>
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<button class="run-btn">▶ Run</button>
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</div>
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`;
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// Replace the container div (slot's parent) with our wrapper
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const slot = root.querySelector("slot");
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const containerDiv = slot?.parentElement as HTMLElement;
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if (containerDiv) {
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containerDiv.replaceWith(wrapper);
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}
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this.#contentEl = wrapper.querySelector(".content");
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this.#statusDot = wrapper.querySelector(".status-dot");
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this.#statusText = wrapper.querySelector(".status-text");
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const runBtn = wrapper.querySelector(".run-btn") as HTMLButtonElement;
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const settingsBtn = wrapper.querySelector(".settings-btn") as HTMLButtonElement;
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const closeBtn = wrapper.querySelector(".close-btn") as HTMLButtonElement;
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// Run button
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runBtn.addEventListener("click", (e) => {
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e.stopPropagation();
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this.#execute();
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});
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// Settings button
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settingsBtn.addEventListener("click", (e) => {
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e.stopPropagation();
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this.dispatchEvent(new CustomEvent("open-settings"));
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});
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// Close button
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closeBtn.addEventListener("click", (e) => {
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e.stopPropagation();
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this.dispatchEvent(new CustomEvent("close"));
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});
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// Initialize with default ports based on type
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this.#initDefaultPorts();
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this.#renderPorts();
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return root;
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}
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#updateIcon() {
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switch (this.#blockType) {
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case "trigger":
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this.#icon = "⚡";
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break;
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case "action":
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this.#icon = "⚙";
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break;
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case "condition":
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this.#icon = "❓";
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break;
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case "output":
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this.#icon = "📤";
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break;
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}
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}
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#initDefaultPorts() {
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switch (this.#blockType) {
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case "trigger":
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this.#outputs = [{ name: "trigger", type: "trigger" }];
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break;
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case "action":
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this.#inputs = [
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{ name: "trigger", type: "trigger" },
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{ name: "data", type: "any" },
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];
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this.#outputs = [
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{ name: "done", type: "trigger" },
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{ name: "result", type: "any" },
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];
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break;
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case "condition":
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this.#inputs = [
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{ name: "trigger", type: "trigger" },
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{ name: "value", type: "any" },
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];
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this.#outputs = [
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{ name: "true", type: "trigger" },
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{ name: "false", type: "trigger" },
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];
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break;
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case "output":
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this.#inputs = [
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{ name: "trigger", type: "trigger" },
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{ name: "data", type: "any" },
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];
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break;
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}
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}
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#renderPorts() {
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const portsEl = this.#contentEl?.querySelector(".ports");
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if (!portsEl) return;
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let html = "";
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// Input ports
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for (const port of this.#inputs) {
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html += `
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<div class="port-row input" data-port="${port.name}" data-direction="input">
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<span class="port-handle ${port.type}" data-port="${port.name}" data-type="${port.type}"></span>
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<span class="port-label">${this.#escapeHtml(port.name)}</span>
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${port.value !== undefined ? `<span class="port-value">${this.#formatValue(port.value)}</span>` : ""}
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</div>
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`;
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}
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// Output ports
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for (const port of this.#outputs) {
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html += `
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<div class="port-row output" data-port="${port.name}" data-direction="output">
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${port.value !== undefined ? `<span class="port-value">${this.#formatValue(port.value)}</span>` : ""}
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<span class="port-label">${this.#escapeHtml(port.name)}</span>
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<span class="port-handle ${port.type}" data-port="${port.name}" data-type="${port.type}"></span>
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</div>
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`;
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}
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portsEl.innerHTML = html;
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// Add click handlers for ports
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portsEl.querySelectorAll(".port-handle").forEach((handle) => {
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handle.addEventListener("click", (e) => {
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e.stopPropagation();
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const portName = (handle as HTMLElement).dataset.port;
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const portType = (handle as HTMLElement).dataset.type;
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const direction = (handle.closest(".port-row") as HTMLElement)?.dataset.direction;
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this.dispatchEvent(
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new CustomEvent("port-click", {
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detail: { port: portName, type: portType, direction, blockId: this.id },
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})
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);
|
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});
|
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});
|
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}
|
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#formatValue(value: unknown): string {
|
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if (typeof value === "string") {
|
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return value.length > 12 ? `${value.slice(0, 12)}...` : value;
|
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}
|
||
if (typeof value === "boolean") {
|
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return value ? "true" : "false";
|
||
}
|
||
if (typeof value === "number") {
|
||
return String(value);
|
||
}
|
||
if (value === null) {
|
||
return "null";
|
||
}
|
||
if (value === undefined) {
|
||
return "undefined";
|
||
}
|
||
return JSON.stringify(value).slice(0, 12);
|
||
}
|
||
|
||
#updateStatus() {
|
||
if (this.#statusDot) {
|
||
this.#statusDot.className = `status-dot ${this.#state}`;
|
||
}
|
||
if (this.#statusText) {
|
||
const labels: Record<BlockState, string> = {
|
||
idle: "Idle",
|
||
running: "Running...",
|
||
success: "Success",
|
||
error: "Error",
|
||
};
|
||
this.#statusText.textContent = labels[this.#state];
|
||
}
|
||
}
|
||
|
||
async #execute() {
|
||
this.state = "running";
|
||
|
||
try {
|
||
// Simulate execution
|
||
await new Promise((resolve) => setTimeout(resolve, 1000));
|
||
|
||
// Dispatch execution event
|
||
this.dispatchEvent(
|
||
new CustomEvent("execute", {
|
||
detail: {
|
||
blockId: this.id,
|
||
inputs: this.#inputs,
|
||
config: this.#config,
|
||
},
|
||
})
|
||
);
|
||
|
||
this.state = "success";
|
||
|
||
// Reset to idle after delay
|
||
setTimeout(() => {
|
||
this.state = "idle";
|
||
}, 2000);
|
||
} catch (error) {
|
||
this.state = "error";
|
||
console.error("Block execution failed:", error);
|
||
}
|
||
}
|
||
|
||
setInputValue(portName: string, value: unknown) {
|
||
const port = this.#inputs.find((p) => p.name === portName);
|
||
if (port) {
|
||
port.value = value;
|
||
this.#renderPorts();
|
||
}
|
||
}
|
||
|
||
setOutputValue(portName: string, value: unknown) {
|
||
const port = this.#outputs.find((p) => p.name === portName);
|
||
if (port) {
|
||
port.value = value;
|
||
this.#renderPorts();
|
||
this.dispatchEvent(
|
||
new CustomEvent("output-change", {
|
||
detail: { port: portName, value, blockId: this.id },
|
||
})
|
||
);
|
||
}
|
||
}
|
||
|
||
#escapeHtml(text: string): string {
|
||
const div = document.createElement("div");
|
||
div.textContent = text;
|
||
return div.innerHTML;
|
||
}
|
||
|
||
override toJSON() {
|
||
return {
|
||
...super.toJSON(),
|
||
type: "folk-workflow-block",
|
||
blockType: this.blockType,
|
||
label: this.label,
|
||
inputs: this.inputs,
|
||
outputs: this.outputs,
|
||
config: this.#config,
|
||
};
|
||
}
|
||
}
|