Add LastArrayElement, Split, and Trim types

test-d/query-result.ts

@@ -8,3 +8,10 @@ expectType<HTMLInputElement | HTMLDivElement>(querySelector('input, div'));
 expectType<SVGCircleElement>(querySelector('circle[cx="150"]'));
 expectType<HTMLButtonElement>(querySelector('button#buy-now'));
 expectType<HTMLParagraphElement>(querySelector('section p:first-of-type'));
+expectType<HTMLDivElement>(querySelector('.menu #leftSide aside div.menu #leftSide aside div'));
+expectType<HTMLButtonElement | HTMLButtonElement | HTMLParagraphElement>(querySelector('button#buy-now, input.input, section>p'));
+expectType<HTMLVideoElement>(querySelector('.main video#trailer'));
+expectType<HTMLTableRowElement>(querySelector('table.main tr'));
+expectType<HTMLStyleElement>(querySelector('html style'));
+expectType<HTMLSourceElement>(querySelector('.main source'));
+expectType<HTMLScriptElement>(querySelector('head script[src="script-source"]'));

test-d/trim.ts

@@ -1,22 +1,9 @@
-import {expectError, expectType} from 'tsd';
+import {expectType} from 'tsd';
 import {Trim} from '../ts41';
 
-let leftSpaced: {withSpaces: ' foo'; trimmed: 'foo'};
-let rightSpaced: {withSpaces: 'bar '; trimmed: 'bar'};
-let onceSpaced: {withSpaces: ' baz '; trimmed: 'baz'};
-let twiceSpaced: {withSpaces: '  waldo  '; trimmed: 'waldo'};
+declare function trim<S extends string>(value: S): Trim<S>;
 
-type TrimmedFromLeft = Trim<typeof leftSpaced.withSpaces>;
-type TrimmedFromRight = Trim<typeof rightSpaced.withSpaces>;
-type TrimmedOnce = Trim<typeof onceSpaced.withSpaces>;
-type TrimmedTwice = Trim<typeof twiceSpaced.withSpaces>;
-
-expectType<TrimmedFromLeft>(leftSpaced.trimmed);
-expectType<TrimmedFromRight>(rightSpaced.trimmed);
-expectType<TrimmedOnce>(onceSpaced.trimmed);
-expectType<TrimmedTwice>(twiceSpaced.trimmed);
-
-expectError(expectType<TrimmedFromLeft>(rightSpaced.trimmed));
-expectError(expectType<TrimmedFromRight>(onceSpaced.trimmed));
-expectError(expectType<TrimmedOnce>(twiceSpaced.trimmed));
-expectError(expectType<TrimmedTwice>(leftSpaced.trimmed));
+expectType<'foo'>(trim(' foo'));
+expectType<'bar'>(trim('bar '));
+expectType<'baz'>(trim(' baz '));
+expectType<'waldo'>(trim('  waldo  '));