feat: add PDIP and SPDIP as separate footprint functions

src/fn/index.ts

@@ -1,4 +1,6 @@
 export { dip } from "./dip"
+export { pdip } from "./pdip"
+export { spdip } from "./spdip"
 export { diode } from "./diode"
 export { cap } from "./cap"
 export { led } from "./led"

src/fn/pdip.ts

@@ -0,0 +1,13 @@
+import type { AnyCircuitElement } from "circuit-json"
+import { dip, extendDipDef } from "./dip"
+
+export const pdip_def = extendDipDef({
+  w: "300mil",
+  p: "2.54mm",
+})
+
+export const pdip = (
+  raw_params: Record<string, unknown>,
+): { circuitJson: AnyCircuitElement[]; parameters: any } => {
+  return dip(raw_params as any)
+}

src/fn/spdip.ts

@@ -0,0 +1,14 @@
+import type { AnyCircuitElement } from "circuit-json"
+import { dip, extendDipDef } from "./dip"
+
+export const spdip_def = extendDipDef({
+  w: "300mil",
+  p: "1.778mm",
+})
+
+export const spdip = (
+  raw_params: Record<string, unknown>,
+): { circuitJson: AnyCircuitElement[]; parameters: any } => {
+  const parameters = spdip_def.parse(raw_params)
+  return dip({ ...parameters, dip: true } as any)
+}

src/footprinter.ts

@@ -39,6 +39,12 @@ export type Footprinter = {
   dip: (
     num_pins?: number,
   ) => FootprinterParamsBuilder<"w" | "p" | "id" | "od" | "wide" | "narrow">
+  pdip: (
+    num_pins?: number,
+  ) => FootprinterParamsBuilder<"w" | "p" | "id" | "od" | "wide" | "narrow">
+  spdip: (
+    num_pins?: number,
+  ) => FootprinterParamsBuilder<"w" | "p" | "id" | "od" | "wide" | "narrow">
   cap: () => FootprinterParamsBuilder<CommonPassiveOptionKey>
   res: () => FootprinterParamsBuilder<CommonPassiveOptionKey>
   diode: () => FootprinterParamsBuilder<CommonPassiveOptionKey>

tests/pdip.test.ts

@@ -0,0 +1,44 @@
+import { test, expect } from "bun:test"
+import { convertCircuitJsonToPcbSvg } from "circuit-to-svg"
+import { fp } from "../src/footprinter"
+import type { AnyCircuitElement } from "circuit-json"
+
+test("pdip8 generates 8 plated holes", () => {
+  const circuitJson = fp.string("pdip8").circuitJson() as AnyCircuitElement[]
+  const platedHoles = circuitJson.filter((el) => el.type === "pcb_plated_hole")
+  expect(platedHoles.length).toBe(8)
+})
+
+test("pdip8 has standard DIP pitch (2.54mm)", () => {
+  const params = fp.string("pdip8").json()
+  expect(params.p).toBeCloseTo(2.54, 2)
+})
+
+test("PDIP8 case-insensitive", () => {
+  const uppercaseJson = fp.string("PDIP8").json()
+  const lowercaseJson = fp.string("pdip8").json()
+  expect(uppercaseJson).toEqual(lowercaseJson)
+})
+
+test("pdip8 svg snapshot", () => {
+  const circuitJson = fp.string("pdip8").circuitJson() as AnyCircuitElement[]
+  const svgContent = convertCircuitJsonToPcbSvg(circuitJson)
+  expect(svgContent).toMatchSvgSnapshot(import.meta.path, "pdip8")
+})
+
+test("spdip28 generates 28 plated holes", () => {
+  const circuitJson = fp.string("spdip28").circuitJson() as AnyCircuitElement[]
+  const platedHoles = circuitJson.filter((el) => el.type === "pcb_plated_hole")
+  expect(platedHoles.length).toBe(28)
+})
+
+test("spdip28 has shrink pitch (1.778mm)", () => {
+  const params = fp.string("spdip28").json()
+  expect(params.p).toBeCloseTo(1.778, 2)
+})
+
+test("spdip28 svg snapshot", () => {
+  const circuitJson = fp.string("spdip28").circuitJson() as AnyCircuitElement[]
+  const svgContent = convertCircuitJsonToPcbSvg(circuitJson)
+  expect(svgContent).toMatchSvgSnapshot(import.meta.path, "spdip28")
+})