Feat: Add annotations query support (#46)

Author: alexluck-sift

README.md

@@ -86,6 +86,10 @@ Asset, Run, and Channel queries are cached to speed up regular expression querie
 
 Both caches may be cleared for a panel by clicking the "Clear cache" button next to the Query Mode selector.
 
+#### Annotations
+
+Annotations are supported and enable querying Sift Annotations or using regular Sift data queries to visualize data, such as enum state changes, as annotations.
+
 ## Learn More
 
 - [Sift](https://www.siftstack.com/)

jest.config.js

@@ -2,9 +2,13 @@
 // generally used by snapshots, but can affect specific tests
 process.env.TZ = 'UTC';
 
+const { grafanaESModules, nodeModulesToTransform } = require('./.config/jest/utils');
+
 module.exports = {
   // Jest configuration provided by Grafana scaffolding
   ...require('./.config/jest.config'),
   // Increase default timeout for all tests to 15 seconds
   testTimeout: 15000,
+  // Add nanoid and leven to the list of ES modules to transform
+  transformIgnorePatterns: [nodeModulesToTransform([...grafanaESModules, 'nanoid', 'leven'])],
 };

pkg/plugin/celUtils/cel_utils.go

@@ -86,6 +86,16 @@ func GreaterThan(field string, value float64) string {
 	return fmt.Sprintf("%s > %v", field, value)
 }
 
+// GreaterThanOrEqual generates a CEL expression that checks whether a field is greater than or equal to a given string value.
+func GreaterThanOrEqual(field string, value string) string {
+	return fmt.Sprintf(`%s >= %s`, field, value)
+}
+
+// LessThanOrEqual generates a CEL expression that checks whether a field is less than or equal to a given string value.
+func LessThanOrEqual(field string, value string) string {
+	return fmt.Sprintf(`%s <= %s`, field, value)
+}
+
 // Contains generates a CEL expression that checks whether a string field contains a given value.
 func Contains(field, value string) string {
 	return fmt.Sprintf(`%s.contains('%s')`, field, value)