update

Author: zhiyuanliang-ms

src/AzureAppConfigurationImpl.ts

@@ -58,7 +58,7 @@ import { InvalidOperationError, ArgumentError, isFailoverableError, isInputError
 
 const MIN_DELAY_FOR_UNHANDLED_FAILURE = 5_000; // 5 seconds
 
-const MAX_TAG_FILTERS = 5;
+const MAX_TAG_FILTER_COUNT = 5;
 
 type PagedSettingSelector = SettingSelector & {
     /**
@@ -912,7 +912,7 @@ function getValidSettingSelectors(selectors: SettingSelector[]): SettingSelector
             }
         } else {
             if (!selector.keyFilter && (!selector.tagFilters || selector.tagFilters.length === 0)) {
-                throw new ArgumentError("Key filter cannot be null or empty.");
+                throw new ArgumentError("Key filter and tag filter cannot both be null or empty.");
             }
             if (!selector.labelFilter) {
                 selector.labelFilter = LabelFilter.Null;
@@ -965,8 +965,8 @@ function getValidFeatureFlagSelectors(selectors?: SettingSelector[]): SettingSel
 }
 
 function validateTagFilters(tagFilters: string[]): void {
-    if (tagFilters.length > MAX_TAG_FILTERS) {
-        throw new Error(`The number of tag filters cannot exceed ${MAX_TAG_FILTERS}.`);
+    if (tagFilters.length > MAX_TAG_FILTER_COUNT) {
+        throw new Error(`The number of tag filters cannot exceed ${MAX_TAG_FILTER_COUNT}.`);
     }
     for (const tagFilter of tagFilters) {
         const res = tagFilter.split("=");

src/types.ts

@@ -75,7 +75,7 @@ export enum LabelFilter {
  */
 export enum TagFilter {
     /**
-     * Matches key-values without a label.
+     * Represents empty tag value.
      */
     Null = ""
 }