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TUIKit/TUIMultimediaPlugin/Common/NSArray+Functional.m

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+// Copyright (c) 2024 Tencent. All rights reserved.
+// Author: eddardliu
+
+#import "NSArray+Functional.h"
+
+@implementation NSArray (Functional)
+
+- (NSArray *)tui_multimedia_map:(id (^)(id))f {
+    NSMutableArray *array = [NSMutableArray arrayWithCapacity:self.count];
+    for (id x in self) {
+        [array addObject:f(x)];
+    }
+    return array;
+}
+- (NSArray *)tui_multimedia_mapWithIndex:(id (^)(id, NSUInteger))f {
+    const NSUInteger count = self.count;
+    NSMutableArray *array = [NSMutableArray arrayWithCapacity:count];
+    for (NSInteger i = 0; i < count; i++) {
+        [array addObject:f(self[i], i)];
+    }
+    return array;
+}
+- (NSArray *)tui_multimedia_filter:(BOOL (^)(id))f {
+    NSMutableArray *array = [NSMutableArray arrayWithCapacity:self.count];
+    for (id x in self) {
+        if (f(x)) {
+            [array addObject:x];
+        }
+    }
+    return array;
+}
+
++ (NSArray *)tui_multimedia_arrayWithArray:(NSArray *)array append:(NSArray *)append {
+    NSMutableArray *res = [NSMutableArray arrayWithArray:array];
+    for (id x in append) {
+        [res addObject:x];
+    }
+    return res;
+}
+@end