tsutils - npm Package Compare versions

Comparing version 3.15.0 to 3.16.0

CHANGELOG.md

@@ -0,1 +1,7 @@
+# 3.16.0
+
+**Features:**
+
+* added `getIteratorYieldResultFromIteratorResult` to extract the `yield`ed type from `IteratorResult<TYield, TReturn, TNext>`
+
 # 3.15.0
@@ -2,0 +8,0 @@

package.json

 {
   "name": "tsutils",
-  "version": "3.15.0",
+  "version": "3.16.0",
   "description": "utilities for working with typescript's AST",
@@ -5,0 +5,0 @@ "scripts": {

util/type.d.ts

@@ -21,1 +21,2 @@ import * as ts from 'typescript';
 export declare function getInstanceTypeOfClassLikeDeclaration(node: ts.ClassLikeDeclaration, checker: ts.TypeChecker): ts.Type;
+export declare function getIteratorYieldResultFromIteratorResult(type: ts.Type, node: ts.Node, checker: ts.TypeChecker): ts.Type;

util/type.js

@@ -231,1 +231,9 @@ "use strict";
 exports.getInstanceTypeOfClassLikeDeclaration = getInstanceTypeOfClassLikeDeclaration;
+function getIteratorYieldResultFromIteratorResult(type, node, checker) {
+    return type_1.isUnionType(type) && type.types.find((t) => {
+        const done = t.getProperty('done');
+        return done !== undefined &&
+            isBooleanLiteralType(removeOptionalityFromType(checker, checker.getTypeOfSymbolAtLocation(done, node)), false);
+    }) || type;
+}
+exports.getIteratorYieldResultFromIteratorResult = getIteratorYieldResultFromIteratorResult;

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Total package byte prevSize

192832

increased by0.38%

Lines of code

3879

increased by0.23%

No dependency changes