From d9bf58353fd0b14a6888c12d4d847f7a6c623cdc Mon Sep 17 00:00:00 2001
From: Severin Ibarluzea <seve700@gmail.com>
Date: Tue, 3 Mar 2026 16:28:33 -0800
Subject: [PATCH] Add platform DRC disable flags support

---
 lib/components/normal-components/Board.ts     | 17 ++++-
 package.json                                  |  2 +-
 .../platform-drc-checks-disabled.test.tsx     | 64 +++++++++++++++++++
 3 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 tests/root-circuit/platform-drc-checks-disabled.test.tsx

diff --git a/lib/components/normal-components/Board.ts b/lib/components/normal-components/Board.ts
index e8365388c..fafc0577f 100644
--- a/lib/components/normal-components/Board.ts
+++ b/lib/components/normal-components/Board.ts
@@ -552,9 +552,20 @@ export class Board
       this.getInheritedProperty("routingDisabled")
     const pcbDisabled = this.root?.pcbDisabled
 
-    const shouldRunNetlistChecks = true
-    const shouldRunPlacementChecks = !pcbDisabled
-    const shouldRunRoutingChecks = !pcbDisabled && !routingDisabled
+    const netlistDrcChecksDisabled =
+      this.root?.platform?.netlistDrcChecksDisabled ??
+      this.getInheritedProperty("netlistDrcChecksDisabled")
+    const placementDrcChecksDisabled =
+      this.root?.platform?.placementDrcChecksDisabled ??
+      this.getInheritedProperty("placementDrcChecksDisabled")
+    const routingDrcChecksDisabled =
+      this.root?.platform?.routingDrcChecksDisabled ??
+      this.getInheritedProperty("routingDrcChecksDisabled")
+
+    const shouldRunNetlistChecks = !netlistDrcChecksDisabled
+    const shouldRunPlacementChecks = !pcbDisabled && !placementDrcChecksDisabled
+    const shouldRunRoutingChecks =
+      !pcbDisabled && !routingDisabled && !routingDrcChecksDisabled
 
     // If async trace routing is still in progress anywhere in this board subtree,
     // wait so routing DRC sees final routed traces and doesn't mark DRC complete early.
diff --git a/package.json b/package.json
index 738d67df2..0e9240d15 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@tscircuit/math-utils": "^0.0.29",
     "@tscircuit/miniflex": "^0.0.4",
     "@tscircuit/ngspice-spice-engine": "^0.0.8",
-    "@tscircuit/props": "^0.0.485",
+    "@tscircuit/props": "^0.0.487",
     "@tscircuit/schematic-match-adapt": "^0.0.16",
     "@tscircuit/schematic-trace-solver": "^v0.0.45",
     "@tscircuit/solver-utils": "^0.0.3",
diff --git a/tests/root-circuit/platform-drc-checks-disabled.test.tsx b/tests/root-circuit/platform-drc-checks-disabled.test.tsx
new file mode 100644
index 000000000..23977b0a9
--- /dev/null
+++ b/tests/root-circuit/platform-drc-checks-disabled.test.tsx
@@ -0,0 +1,64 @@
+import { expect, test } from "bun:test"
+import { getTestFixture } from "tests/fixtures/get-test-fixture"
+
+const getErrorTypes = (circuitJson: Array<{ type: string }>) =>
+  new Set(
+    circuitJson
+      .filter((elm) => elm.type.includes("error"))
+      .map((elm) => elm.type),
+  )
+
+test("platform netlistDrcChecksDisabled disables netlist DRC errors", async () => {
+  const { circuit } = getTestFixture({
+    platform: {
+      netlistDrcChecksDisabled: true,
+    },
+  })
+
+  circuit.add(
+    <board width="10mm" height="10mm" routingDisabled>
+      <resistor footprint="0402" resistance={1000} name="R1" pcbX={-2} />
+      <resistor footprint="0402" resistance={1000} name="R2" pcbX={2} />
+      <trace from=".R1 .1" to=".R2 .1" />
+    </board>,
+  )
+
+  await circuit.renderUntilSettled()
+
+  expect(
+    getErrorTypes(circuit.getCircuitJson() as Array<{ type: string }>),
+  ).toEqual(new Set())
+})
+
+test("platform placementDrcChecksDisabled disables placement DRC errors", async () => {
+  const { circuit } = getTestFixture({
+    platform: {
+      placementDrcChecksDisabled: true,
+    },
+  })
+
+  circuit.add(
+    <board width="10mm" height="10mm" routingDisabled>
+      <resistor
+        footprint="0402"
+        resistance={1000}
+        name="R1"
+        pcbX={0}
+        pcbY={0}
+      />
+      <resistor
+        footprint="0402"
+        resistance={1000}
+        name="R2"
+        pcbX={0}
+        pcbY={0}
+      />
+    </board>,
+  )
+
+  await circuit.renderUntilSettled()
+
+  expect(
+    getErrorTypes(circuit.getCircuitJson() as Array<{ type: string }>),
+  ).toEqual(new Set())
+})