feat: registry parsing

src/bunfig.ts

@@ -1,12 +1,7 @@
 import { existsSync, readFileSync, writeFileSync } from "node:fs";
 import { info } from "@actions/core";
 import { parse, stringify } from "@iarna/toml";
-
-export type Registry = {
-  url: string;
-  scope: string;
-  token?: string;
-};
+import { Registry } from "./registry";
 
 type BunfigConfig = {
   install?: {

src/index.ts

@@ -2,12 +2,13 @@ import { tmpdir } from "node:os";
 import { getInput, setOutput, setFailed, getBooleanInput } from "@actions/core";
 import runAction from "./action.js";
 import { readVersionFromFile } from "./utils.js";
+import { parseRegistries } from "./registry.js";
 
 if (!process.env.RUNNER_TEMP) {
   process.env.RUNNER_TEMP = tmpdir();
 }
 
-const registries = JSON.parse(getInput("registries") || "[]");
+const registries = parseRegistries(getInput("registries"));
 const registryUrl = getInput("registry-url");
 const scope = getInput("scope");
 

src/registry.ts

@@ -0,0 +1,62 @@
+export type Registry = {
+  url: string;
+  scope: string;
+  token?: string;
+};
+
+/**
+ * Parse registries from the simplified format:
+ * - Default registry: https://registry.npmjs.org/
+ * - Default registry with token: https://registry.npmjs.org/|token123
+ * - With scope and credentials in URL: @myorg:https://username:password@registry.myorg.com/
+ * - With scope and separate token: @partner:https://registry.partner.com/|basic_token
+ */
+export function parseRegistries(input: string): Registry[] {
+  if (!input?.trim()) return [];
+
+  return input
+    .split("\n")
+    .map((line) => line.trim())
+    .filter(Boolean)
+    .map(parseLine)
+    .filter(Boolean) as Registry[];
+}
+
+function parseLine(line: string): Registry | null {
+  const scopeMatch = line.match(
+    /^(@[a-z0-9-_.]+|[a-z0-9-_.]+(?=:[a-z]+:\/\/)):(.+)$/i
+  );
+
+  if (scopeMatch) {
+    const scope = scopeMatch[1];
+    const urlPart = scopeMatch[2].trim();
+
+    const [url, token] = urlPart.split("|", 2).map((p) => p?.trim());
+
+    try {
+      new URL(url);
+
+      return {
+        url,
+        scope,
+        ...(token && { token }),
+      };
+    } catch (e) {
+      throw new Error(`Invalid URL in registry configuration: ${url}`);
+    }
+  } else {
+    const [url, token] = line.split("|", 2).map((p) => p?.trim());
+
+    try {
+      new URL(url);
+
+      return {
+        url,
+        scope: "",
+        ...(token && { token }),
+      };
+    } catch (e) {
+      throw new Error(`Invalid URL in registry configuration: ${url}`);
+    }
+  }
+}