fix(cli): support js_ignore_imports for package.json imports (#6926)

The package.json deps should support the same `js_ignore_imports`
directive as all other js imports.

Ideally this will move to a more common location but this is the quick
fix.

---

### Changes are visible to end-users: no

### Test plan

- Covered by existing test cases
- New test cases added

GitOrigin-RevId: cfa2a62823454674453f3d6458e52ed30fbe0581

gazelle/js/generate.go

@@ -192,6 +192,10 @@ func (ts *typeScriptLang) addPackageRule(cfg *JsGazelleConfig, args language.Gen
 	}
 
 	for _, impt := range packageImports {
+		if cfg.IsImportIgnored(impt) {
+			continue
+		}
+
 		if sourceFiles.Contains(impt) || dataFiles.Contains(impt) {
 			npmPackageInfo.sources.Add(impt)
 		} else {

gazelle/js/tests/npm_package_deps/exports-ignore/BUILD.in

@@ -0,0 +1 @@
+# gazelle:js_ignore_imports **/does-not-exist.js

gazelle/js/tests/npm_package_deps/exports-ignore/BUILD.out

@@ -0,0 +1,8 @@
+load("@aspect_rules_js//js:defs.bzl", "js_library")
+
+# gazelle:js_ignore_imports **/does-not-exist.js
+
+js_library(
+    name = "tsc",
+    srcs = ["lib1.js"],
+)

gazelle/js/tests/npm_package_deps/exports-ignore/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "exports-ignore",
+  "private": true,
+  "exports": {
+    ".": {
+        "node": "./lib/does-not-exist.js"
+    },
+    "./bin": "./bin/does-not-exist.js",
+    "./dne": "./does-not-exist.js",
+    "./lib": "./lib1.js"
+  }
+}