Let’s see some simple examples of how the exclamation mark is used in TypeScript. When defining a variable If we define a string-type variable as string | null, it means that the variable holds a string or null value. But suppose we define a function that accepts only a string type ...
Mike discusses the definite assignment operator and explains how to use the exclamation mark (!) to assert that a variable will be assigned a value before it is used. A question about using the …
Unused exports and types: remove theexportkeyword in front of unused exports. Then you can see whether the variable or type is used within the same file. If this is not the case, it can be removed. Duplicate exports can be removed so they're exported only once. ...
ERROR : TS2488 Type must have a 'Symbol.iterator' method that returns an iterator. TypeScript Virtual Project TypeScript Version: 2.1 I am using typescript in a Visual Studio 2015 for (var item of this.listOfTemplate) { //error here } ts...
Unused exports and types: remove theexportkeyword in front of unused exports. Then you can see whether the variable or type is used within the same file. If this is not the case, it can be removed. Duplicate exports can be removed so they're exported only once. ...
(1) The variable or type is not referenced directly and has become a member of a namespace. Knip can't find a reference to it, so you can probably remove it.OutputRulesUse rules in the configuration to customize the issue types that count towards the total error count, or to exclude ...
(1) The variable or type is not referenced directly and has become a member of a namespace. Knip can't find a reference to it, so you can probably remove it.OutputRulesUse rules in the configuration to customize the issue types that count towards the total error count, or to exclude ...