Add gen jlcpcb <jlcpcbPartNumber> command (#210)

* Add gen jlcpcb command

* Install easyeda

* Implement command function to generate jlcpcb component

* Use convertEasyEdaJsonToVariousFormats from easyeda instead of cli command

* Support generating components from URL, improve code readability

cli/lib/cmd-fns/gen-jlcpcb-component.ts

@@ -0,0 +1,64 @@
+import path from "path"
+import fs from "fs/promises"
+import { AppContext } from "../util/app-context"
+import { convertEasyEdaJsonToVariousFormats } from "easyeda"
+
+export const genJlcpcbComponent = async (
+  ctx: AppContext,
+  { partNumberOrUrl }: { partNumberOrUrl: string },
+): Promise<void> => {
+  try {
+    const resolvedPartNumber = resolvePartNumber(partNumberOrUrl)
+    const outputDir = path.resolve(ctx.cwd, "gen")
+    const outputFile = path.join(outputDir, `${resolvedPartNumber}.tsx`)
+
+    await fs.mkdir(outputDir, { recursive: true })
+
+    await convertEasyEdaJsonToVariousFormats({
+      jlcpcbPartNumberOrFilepath: resolvedPartNumber,
+      outputFilename: outputFile,
+      formatType: "tsx",
+    })
+  } catch (error) {
+    console.error(
+      `Error generating JLCPCB component:`,
+      (error as Error).message,
+    )
+    throw error
+  }
+}
+
+const PART_NUMBER_PREFIX = "C"
+
+const resolvePartNumber = (partNumberOrUrl: string): string => {
+  if (
+    partNumberOrUrl.startsWith("http://") ||
+    partNumberOrUrl.startsWith("https://")
+  ) {
+    const partNumber = extractPartNumberFromUrl(partNumberOrUrl)
+
+    if (!partNumber) {
+      throw new Error("Could not extract a valid part number from URL")
+    }
+
+    return partNumber
+  }
+
+  if (!isValidPartNumber(partNumberOrUrl)) {
+    throw new Error(
+      `Invalid part number: Must start with '${PART_NUMBER_PREFIX}'`,
+    )
+  }
+
+  return partNumberOrUrl.toUpperCase()
+}
+
+const extractPartNumberFromUrl = (url: string): string | null => {
+  const partNumber = url.split("/").at(-1)
+  return partNumber && isValidPartNumber(partNumber)
+    ? partNumber.toUpperCase()
+    : null
+}
+
+const isValidPartNumber = (partNumber: string): boolean =>
+  partNumber.toUpperCase().startsWith(PART_NUMBER_PREFIX)

cli/lib/cmd-fns/index.ts

@@ -43,3 +43,4 @@ export { exportKicadPcb } from "./export-kicad-pcb"
 export { devServerFulfillExportRequests } from "./dev-server-fulfill-export-requests"
 export { lintCmd as lint } from "./lint"
 export { renderCmd as render } from "./render"
+export { genJlcpcbComponent } from "./gen-jlcpcb-component"

cli/lib/get-program.ts

@@ -67,6 +67,14 @@ export const getProgram = (ctx: AppContext) => {
     .option("-t, --type <type>", "Output file type (png or svg)")
     .action((args) => CMDFN.render(ctx, args))
 
+  const genCmd = cmd.command("gen").description("Generate components")
+  genCmd
+    .command("jlcpcb <jlcpcbPartNumberOrUrl>")
+    .description("Generate JLCPCB-specific files")
+    .action((partNumberOrUrl, args) =>
+      CMDFN.genJlcpcbComponent(ctx, { partNumberOrUrl, ...args }),
+    )
+
   const authCmd = cmd.command("auth").description("Login/logout")
   authCmd
     .command("login")

package.json

@@ -58,6 +58,7 @@
     "dax-sh": "^0.39.2",
     "debug": "^4.3.4",
     "delay": "^6.0.0",
+    "easyeda": "^0.0.36",
     "esbuild": "^0.20.2",
     "fast-glob": "^3.3.2",
     "glob": "^10.4.5",