dataflow-rs 2.1.5

A lightweight rules engine for building IFTTT-style automation and data processing pipelines in Rust. Define rules with JSONLogic conditions, execute actions, and chain workflows.
Documentation 
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/* ============================================
   Flow Diagram Styles
   Aligned with DataLogic UI ReactFlow styling
   ============================================ */

.df-flow-diagram {
  width: 100%;
  height: 100%;
  min-height: 300px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* ---- ReactFlow Controls ---- */

.df-flow-diagram .react-flow__controls {
  box-shadow: 0 2px 8px var(--node-shadow);
  border-radius: 8px;
  overflow: hidden;
}

.df-flow-diagram .react-flow__controls-button {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  fill: var(--text-secondary);
  color: var(--text-secondary);
}

.df-flow-diagram .react-flow__controls-button:last-child {
  border-bottom: none;
}

.df-flow-diagram .react-flow__controls-button:hover {
  background: var(--bg-hover);
}

/* ---- Edges ---- */

.df-flow-diagram .react-flow__edge-path {
  stroke-width: 2;
}

.df-flow-diagram .react-flow__edge.selected .react-flow__edge-path {
  stroke: var(--accent-blue);
  stroke-width: 3;
}

.df-flow-diagram .react-flow__edge.df-flow-edge-true .react-flow__edge-path {
  stroke: #22C55E;
  stroke-width: 2;
}

.df-flow-diagram .react-flow__edge.df-flow-edge-false .react-flow__edge-path {
  stroke: #EF4444;
  stroke-width: 2;
  stroke-dasharray: 6 3;
}

.df-flow-diagram .react-flow__edge-text {
  font-size: 11px;
  fill: var(--text-secondary);
}

.df-flow-diagram .react-flow__edge-textbg {
  fill: var(--bg-secondary);
}

/* ---- Attribution ---- */

.df-flow-diagram .react-flow__attribution {
  display: none;
}

/* ---- Handles - hidden but functional ---- */

.df-flow-handle {
  width: 10px !important;
  height: 10px !important;
  background: var(--border-primary) !important;
  border: 2px solid white !important;
  opacity: 1;
}

[data-theme="dark"] .df-flow-handle {
  border-color: var(--bg-primary) !important;
}

/* ---- Start/End Pill Node ---- */

.df-flow-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: default;
  user-select: none;
  min-width: 100px;
}

.df-flow-pill-content {
  display: flex;
  align-items: center;
  gap: 6px;
}

.df-flow-pill-start {
  background: var(--node-bg);
  border: 2px solid var(--accent-blue);
  color: var(--accent-blue);
}

.df-flow-pill-end {
  background: var(--node-bg);
  border: 2px solid var(--df-success);
  color: var(--df-success);
}

/* ---- Condition Diamond Node ---- */

.df-flow-diamond-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  position: relative;
}

.df-flow-diamond {
  width: 64px;
  height: 64px;
  background: var(--node-bg);
  border: 2px solid var(--accent-amber);
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 6px var(--node-shadow);
}

.df-flow-diamond:hover {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-amber) 25%, transparent);
}

.df-flow-diamond-content {
  transform: rotate(-45deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--accent-amber);
}

.df-flow-diamond-label {
  font-size: 9px;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
  white-space: pre-line;
  max-width: 56px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Diamond handles positioned at bottom-left and bottom-right */
.df-flow-diamond-wrapper .df-flow-handle-true {
  left: 15% !important;
}

.df-flow-diamond-wrapper .df-flow-handle-false {
  left: 85% !important;
}

/* ---- Task Node ---- */

.df-flow-task-node {
  background: var(--node-bg);
  border: 2px solid var(--border-primary);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 160px;
  max-width: 220px;
  cursor: pointer;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
  box-shadow: 0 2px 6px var(--node-shadow);
}

.df-flow-task-node:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 4px 12px var(--node-shadow-hover);
}

.df-flow-task-node-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.df-flow-task-node-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.df-flow-task-node-coe {
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.df-flow-task-node-badge {
  margin-bottom: 4px;
}

.df-flow-task-node-desc {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Skip Node ---- */

.df-flow-skip-node {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: 12px;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border-primary);
  color: var(--text-tertiary);
  font-size: 11px;
  cursor: default;
  user-select: none;
}

/* ---- Workflow Group Node (for group diagrams) ---- */

.df-flow-wf-group-node {
  background: var(--node-bg);
  border: 2px solid var(--border-primary);
  border-radius: 10px;
  padding: 12px 16px;
  min-width: 200px;
  max-width: 280px;
  cursor: pointer;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
  box-shadow: 0 2px 6px var(--node-shadow);
}

.df-flow-wf-group-node:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 4px 12px var(--node-shadow-hover);
}

.df-flow-wf-group-node-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.df-flow-wf-group-node-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.df-flow-wf-group-node-priority {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-blue-light);
  color: var(--accent-blue);
  flex-shrink: 0;
}

.df-flow-wf-group-node-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-secondary);
}

.df-flow-wf-group-node-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.df-flow-wf-group-node-condition {
  color: var(--accent-amber);
}

.df-flow-wf-group-node-always {
  color: var(--df-success);
}