Add --ignore CLI argument

cli.js

@@ -32,6 +32,12 @@ yargs(process.argv.slice(2))
       requiresArg: true,
       type: 'string'
     },
+    ignore: {
+      alias: 'i',
+      desc: '.properties files to ignore; should match the file path end',
+      requiresArg: true,
+      type: 'array'
+    },
     root: {
       alias: 'r',
       desc: 'Root of mozilla-central (usually autodetected)',

lib/external-refs.js

@@ -19,8 +19,13 @@ export async function findExternalRefs(ast, options) {
     visitLiteral(path) {
       const { value } = path.node
       if (typeof value === 'string' && value.startsWith('chrome://')) {
-        if (value.endsWith('.xhtml')) xhtmlUriPaths.push(path)
-        if (value.endsWith('.properties')) propertiesUriPaths.push(path)
+        if (
+          !options.ignore ||
+          options.ignore.every((ignore) => !path.node.value.endsWith(ignore))
+        ) {
+          if (value.endsWith('.xhtml')) xhtmlUriPaths.push(path)
+          if (value.endsWith('.properties')) propertiesUriPaths.push(path)
+        }
       }
       this.traverse(path)
     }
@@ -46,7 +51,13 @@ export async function findExternalRefs(ast, options) {
         const bundleTags = parseStringBundleTags(src)
         if (bundleTags.length > 0) {
           xhtml.push({ uri, path: fp, bundleTags, src })
-          for (const tag of bundleTags) propUris.add(tag.src)
+          for (const tag of bundleTags) {
+            if (
+              !options.ignore ||
+              options.ignore.every((ignore) => !tag.src.endsWith(ignore))
+            )
+              propUris.add(tag.src)
+          }
         }
       }
     }

lib/transform-js.js

@@ -19,6 +19,7 @@ const n = types.namedTypes
  *   format?: string,
  *   ftlPath?: string,
  *   ftlPrefix?: string,
+ *   ignore?: string[],
  *   root?: string,
  *   title?: string
  * }} TransformOptions