Merge pull request #8 from tscircuit/up-method

add update method

lib/su.ts

@@ -18,6 +18,10 @@ type SoupOps<
   insert: (
     elm: Omit<Extract<T, { type: K }>, "type" | `${K}_id`>,
   ) => Extract<T, { type: K }>
+  update: (
+    id: string,
+    newProps: Partial<Extract<T, { type: K }>>,
+  ) => Extract<T, { type: K }>
   delete: (id: string) => void
   list: (where?: any) => Extract<T, { type: K }>[]
 }
@@ -128,6 +132,14 @@ export const su: GetSoupUtilFn = ((soup: AnySoupElement[]) => {
             if (!elm) return
             soup.splice(soup.indexOf(elm), 1)
           },
+          update: (id: string, newProps: any) => {
+            const elm = soup.find(
+              (e) => (e as any)[`${component_type}_id`] === id,
+            )
+            if (!elm) return
+            Object.assign(elm, newProps)
+            return elm
+          },
           select: (selector: string) => {
             // TODO when applySelector is isolated we can use it, until then we
             // do a poor man's selector implementation for two common cases

tests/update.test.ts

@@ -0,0 +1,28 @@
+import type { AnySoupElement } from "@tscircuit/soup"
+import { su } from "../index"
+import test from "ava"
+
+test("update", (t) => {
+  const soup: AnySoupElement[] = [
+    {
+      type: "source_component",
+      source_component_id: "simple_resistor_0",
+      name: "R1",
+      supplier_part_numbers: {},
+      ftype: "simple_resistor",
+      resistance: 10_000,
+    },
+    {
+      type: "source_port",
+      name: "left",
+      source_port_id: "source_port_0",
+      source_component_id: "simple_resistor_0",
+    },
+  ]
+
+  const updatedPort = su(soup).source_port.update("source_port_0", {
+    name: "right",
+  })
+
+  t.is(updatedPort?.name, "right")
+})