Restore hyphenated SOT-23 aliases (#762)

Author: seveibar

src/footprinter.ts

@@ -560,6 +560,9 @@ const normalizeDefinition = (def: string): string => {
     .replace(/^to-263(?:-(\d+))?(?=_|$)/i, (_, pins) =>
       pins ? `to263_${pins}` : "to263",
     )
+    .replace(/^sot-23(?:-(\d+))?(?=_|$)/i, (_, pins) =>
+      pins ? `sot23_${pins}` : "sot23",
+    )
     .replace(/^sot23-(\d+)(?=_|$)/i, "sot23_$1")
     .replace(/^sot-223-(\d+)(?=_|$)/i, "sot223_$1")
     .replace(/^to-220f-(\d+)(?=_|$)/i, "to220f_$1")

tests/__snapshots__/sot-23-3.snap.svg

@@ -7,6 +7,31 @@ test("sot23", () => {
   const svgContent = convertCircuitJsonToPcbSvg(circuitJson)
   expect(svgContent).toMatchSvgSnapshot(import.meta.path, "sot23")
 })
+
+test("sot-23 legacy alias", () => {
+  const circuitJson = fp.string("sot-23").circuitJson()
+  expect(circuitJson).toEqual(fp.string("sot23").circuitJson())
+
+  const svgContent = convertCircuitJsonToPcbSvg(circuitJson)
+  expect(svgContent).toMatchSvgSnapshot(import.meta.path, "sot23_legacy_alias")
+})
+
+test("sot-23 pin-count aliases", () => {
+  const aliases = [
+    ["sot-23-3", "sot23_3"],
+    ["sot-23-5", "sot23_5"],
+    ["sot-23-6", "sot23_6"],
+  ] as const
+
+  for (const [alias, canonical] of aliases) {
+    const circuitJson = fp.string(alias).circuitJson()
+    expect(circuitJson).toEqual(fp.string(canonical).circuitJson())
+
+    const svgContent = convertCircuitJsonToPcbSvg(circuitJson)
+    expect(svgContent).toMatchSvgSnapshot(import.meta.path, alias)
+  }
+})
+
 test("sot23_w3_h1.5_p0.95mm", () => {
   const circuitJson = fp.string("sot23_w3_h1.5_p0.95mm").circuitJson()
   const svgContent = convertCircuitJsonToPcbSvg(circuitJson)