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node_modules/nodemon/doc/rules.md

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+# Rules
+
+Given a nodemon.json file that contains:
+
+```json
+{
+  "ignore": ["*.coffee"],
+  "watch": ["server/*.coffee", "test/"]
+}
+```
+
+Then nodemon detects changes, but what causes nodemon to restart? The ignored files or the watched files? Which wins?
+
+```js
+var files = ['server/foo.coffee', 'server/app.js'];
+
+// afterIgnore = ['server/app.js'] now since foo.coffee matches *.coffee
+var afterIgnore = files.filter(applyIgnore);
+
+// watch = ['server/foo.coffee'] as it's under the watch
+var watched = files.filter(applyWatch);
+```
+
+What about:
+
+```js
+var files = ['test/app.js', 'test/app.coffee'];
+
+// afterIgnore = ['test/app.js'] now since test/app.coffee matches *.coffee
+var afterIgnore = files.filter(applyIgnore);
+
+// watch.length = 2 as watch implies test/*.*
+var watched = files.filter(applyWatch);
+```