Install @storybook/addon-designs for embedding Figma frames in stories and claude2figma skills (preflight, component-rules, style-binding, reference-interpreter) for enforcing design token compliance when writing to Figma. Add PostToolUse hook for use_figma QA reminders and pre-allow Figma MCP + Code Connect tools in settings.json. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
138 lines
4.3 KiB
Markdown
138 lines
4.3 KiB
Markdown
---
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name: figma-style-binding
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description: "Triggers on any visual property change in Figma — creating text, setting colors, adjusting spacing/padding/gap/radius. Enforces that ALL values bind to Figma Styles or Variables, never hardcoded. Includes post-write QA verification."
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disable-model-invocation: false
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---
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# Style Binding + QA
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Every visual value must come from the design system. Supplements `figma-generate-design`. Prerequisite: `figma-preflight` must have run this session.
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---
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## Binding Hierarchy
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For any visual property, follow this order. Stop at the first match.
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```
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1. Connected Library → search_design_system → import → apply
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2. Local Style → Style Registry → apply by ID
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3. Local Variable → Variable Registry → apply by ID
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4. Gap found → Report to user, wait for decision
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```
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---
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## Text
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Every text node must use `textStyleId`. Individual font properties (`fontSize`, `fontFamily`, etc.) are forbidden.
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```js
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const style = await figma.getStyleByIdAsync("<id>");
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await figma.loadFontAsync(style.fontName);
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node.textStyleId = "<id>";
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```
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If no local style matches, search libraries via `search_design_system`. If no match anywhere:
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```
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⚠️ Text style gap: no style for "[role]". Available: [top 5]. Use closest, or add missing style?
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```
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---
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## Color Fills
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Every fill/stroke must bind to a COLOR Variable (preferred, supports theming) or Paint Style.
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```js
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// Variable binding (preferred)
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const variable = await figma.variables.getVariableByIdAsync("<id>");
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const fill = { type: "SOLID", color: { r: 0, g: 0, b: 0 } };
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node.fills = [figma.variables.setBoundVariableForPaint(fill, "color", variable)];
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// Paint Style binding
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node.fillStyleId = "<id>";
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```
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Never use raw `{ r, g, b }` without a binding.
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---
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## Spacing, Padding, Gap, Radius
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Bind to FLOAT Variables. `layoutMode` must be set BEFORE `setBoundVariable`.
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```js
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node.setBoundVariable("paddingTop", spacingVar);
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node.setBoundVariable("paddingBottom", spacingVar);
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node.setBoundVariable("paddingLeft", spacingVar);
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node.setBoundVariable("paddingRight", spacingVar);
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node.setBoundVariable("itemSpacing", spacingVar);
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node.setBoundVariable("cornerRadius", radiusVar);
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```
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Spacing can fall back to raw values temporarily with user confirmation. Color and text cannot.
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---
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## Forbidden / Required
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| Forbidden | Required |
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|---|---|
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| `node.fontSize = 24` | `node.textStyleId = id` |
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| `node.fills = [{ type: "SOLID", color: { r: .2, g: .4, b: 1 } }]` | Variable or Style binding |
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| `node.paddingLeft = 16` | `node.setBoundVariable("paddingLeft", var)` |
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| `node.cornerRadius = 8` | `node.setBoundVariable("cornerRadius", var)` |
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| Creating a Button from scratch | `importComponentByKeyAsync` from library |
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---
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## QA Verification
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After every `use_figma` call that creates or modifies nodes, run this verification on the returned node IDs:
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```javascript
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const nodeIdsToAudit = [/* paste returned IDs */];
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const results = [];
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for (const id of nodeIdsToAudit) {
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const node = await figma.getNodeByIdAsync(id);
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if (!node) { results.push({ id, status: "NOT_FOUND" }); continue; }
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const checks = [];
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if (node.type === "TEXT") {
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checks.push({ prop: "textStyleId", bound: !!node.textStyleId });
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}
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if ("fills" in node && Array.isArray(node.fills) && node.fills.length > 0) {
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const bound = !!node.fillStyleId || (node.boundVariables?.fills?.length > 0);
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checks.push({ prop: "fills", bound });
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}
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if ("layoutMode" in node && node.layoutMode !== "NONE") {
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for (const p of ["paddingLeft","paddingRight","paddingTop","paddingBottom","itemSpacing"]) {
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if (p in node) checks.push({ prop: p, bound: !!(node.boundVariables && p in node.boundVariables) });
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}
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}
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if ("cornerRadius" in node && node.cornerRadius > 0) {
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checks.push({ prop: "cornerRadius", bound: !!(node.boundVariables && "cornerRadius" in node.boundVariables) });
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}
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const failed = checks.filter(c => !c.bound);
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results.push({ id, name: node.name, type: node.type, status: failed.length === 0 ? "PASS" : "FAIL", failed: failed.map(c => c.prop) });
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}
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return { auditResults: results };
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```
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**If FAIL:** Fix each unbound property using the binding rules above, then re-audit. Do not proceed to the next design step until all pass.
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**Report format:**
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```
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✅ All [N] nodes passed.
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// or
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❌ FAIL "Card" (FRAME) — paddingTop, cornerRadius unbound. Fixing...
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```
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