cli: add --ignore and --only options

cli/main.ts

@@ -24,7 +24,8 @@ const main = new Command()
   )
   .option("--config <file:string>", "Specify the Deno configuration file.")
   .option("--dry-run", "See what would happen without actually doing it.")
-  .option("--filter <pattern:string>", "Filter dependencies by name.")
+  .option("--ignore <pattern:string>", "Specify dependencies to ignore.")
+  .option("--only <pattern:string>", "Specify dependencies to check.")
   .option("--lock <file:string>", "Specify the lock file.")
   .option("--no-config", "Disable automatic loading of the configuration file.")
   .option("--no-lock", "Disable automatic loading of the lock file.")
@@ -63,7 +64,9 @@ main.action(async function (options, ...source) {
   const deps = await $.progress("Collecting dependencies").with(
     () => collect({ config, lock, source }),
   );
-  const filtered = deps.filter((dep) => dep.name.match(options.filter ?? ""));
+  const filtered = deps
+    .filter((dep) => options.only ? dep.name.match(options.only) : true)
+    .filter((dep) => options.ignore ? !dep.name.match(options.ignore) : true);
 
   const updates = (await $.progress("Fetching updates").with(() =>
     Promise.all(filtered.map((dep) =>

cli/main_test.ts

@@ -114,8 +114,8 @@ describe("CLI", () => {
     );
   });
 
-  it("should filter dependencies with `--filter`", async () => {
-    const { stdout } = await molt("--filter flag");
+  it("should filter dependencies with `--only`", async () => {
+    const { stdout } = await molt("--only flag");
     assertEquals(
       stdout,
       dedent`
@@ -124,6 +124,17 @@ describe("CLI", () => {
     );
   });
 
+  it("should filter out dependencies with `--ignore`", async () => {
+    const { stdout } = await molt("--ignore flag");
+    assertEquals(
+      stdout,
+      dedent`
+        📦 @conventional-commits/parser 0.4.0 →  0.4.1
+        📦 deno.land/std 0.222.0 →  0.224.0
+      `,
+    );
+  });
+
   it("should find updates in modules with `--no-config`", async () => {
     const { stdout } = await molt("--no-config");
     assertEquals(