Maximum Message Length Fix: #100

Author: usernamehw

.eslintrc.json

@@ -5,7 +5,7 @@
 		"es6": true
 	},
 	"parserOptions": {
-		"ecmaVersion": 2018,
+		"ecmaVersion": 2019,
 		"sourceType": "module",
 		"project": "./tsconfig.json"
 	},

README.md

@@ -28,7 +28,7 @@ the entire line wherever a diagnostic is generated by the language and also prin
 |errorLens.copyProblemMessage|Error Lens: Copy Problem Message|
 <!-- COMMANDS_END -->
 <!-- SETTINGS_START -->
-## Settings (40)
+## Settings (41)
 
 > **Error Lens** extension settings start with `errorLens.`
 
@@ -44,6 +44,7 @@ the entire line wherever a diagnostic is generated by the language and also prin
 |borderRadius|"3px"|Border radius of the message. Visible difference when `message` colors are set. [issues/23](https://github.com/usernamehw/vscode-error-lens/issues/23). Example: `5px`.|
 |enabledDiagnosticLevels|\["error","warning","info"\]|Customize which diagnostic levels to highlight.|
 |messageTemplate|"$message"|Template used for all inline messages. Whitespace between items is important.<br>List of variables:<br>- `$message` - diagnostic message text<br>- `$count` - Number of diagnostics on the line<br>- `$severity` - Severity prefix taken from `#errorLens.severityText#`<br>- `$source` - Source of diagnostic e.g. "eslint"<br>- `$code` - Code of the diagnostic|
+|messageMaxChars|**500**|Cut off inline message if it's longer than this value.|
 |severityText|\["ERROR","WARNING","INFO","HINT"\]|Replaces `$severity` variable in `#errorLens.messageTemplate#`.|
 |messageEnabled|**true**|Controls whether inline message is shown or not (Including background highlight).|
 |statusBarIconsEnabled|**false**|When enabled - shows highlighted error/warning icons in status bar.|

package.json

@@ -162,6 +162,12 @@
 					"default": "$message",
 					"markdownDescription": "Template used for all inline messages. Whitespace between items is important.\n\nList of variables:\n\n- `$message` - diagnostic message text\n\n- `$count` - Number of diagnostics on the line\n\n- `$severity` - Severity prefix taken from `#errorLens.severityText#`\n\n- `$source` - Source of diagnostic e.g. \"eslint\"\n\n- `$code` - Code of the diagnostic"
 				},
+				"errorLens.messageMaxChars": {
+					"type": "integer",
+					"default": 500,
+					"minimum": 10,
+					"markdownDescription": "Cut off inline message if it's longer than this value."
+				},
 				"errorLens.severityText": {
 					"type": "array",
 					"items": {

src/types.ts

@@ -46,6 +46,10 @@ interface ExtensionConfigType {
 	 * Template used for all inline messages. Interpolates `$message`, `$source`, `$code`, `$count`, `$severity`.
 	 */
 	messageTemplate: string;
+	/**
+	 * Cut off inline message if it's longer than this value.
+	 */
+	messageMaxChars: number;
 	/**
 	 * Replaces `$severity` variable in `#errorLens.messageTemplate#`.
 	 */

src/utils.ts

@@ -1,11 +1,11 @@
+import { extensionConfig } from 'src/extension';
 import { Uri } from 'vscode';
 
 /**
- * Cut off string if it's longer than **500** characters.
+ * Cut off string if it's longer than configured number of characters.
  */
 export function truncateString(str: string): string {
-	const charLimit = 500;
-	return str.length > charLimit ? `${str.slice(0, charLimit)}…` : str;
+	return str.length > extensionConfig.messageMaxChars ? `${str.slice(0, extensionConfig.messageMaxChars)}…` : str;
 }
 /**
  * Replace linebreaks with the one whitespace symbol.