| 79 | } |
| 80 | |
| 81 | export function memoize4<F extends (a1: any, a2: any, a3: any, a4: any) => any>(fn: F): F { |
| 82 | const memoize4Cache: WeakMap< |
| 83 | Record<string, any>, |
| 84 | WeakMap<Record<string, any>, any> |
| 85 | > = new WeakMap(); |
| 86 | return function memoized(a1: any, a2: any, a3: any, a4: any) { |
| 87 | let cache2 = memoize4Cache.get(a1); |
| 88 | if (!cache2) { |
| 89 | cache2 = new WeakMap(); |
| 90 | memoize4Cache.set(a1, cache2); |
| 91 | const cache3 = new WeakMap(); |
| 92 | cache2.set(a2, cache3); |
| 93 | const cache4 = new WeakMap(); |
| 94 | cache3.set(a3, cache4); |
| 95 | const newValue = fn(a1, a2, a3, a4); |
| 96 | cache4.set(a4, newValue); |
| 97 | return newValue; |
| 98 | } |
| 99 | |
| 100 | let cache3 = cache2.get(a2); |
| 101 | if (!cache3) { |
| 102 | cache3 = new WeakMap(); |
| 103 | cache2.set(a2, cache3); |
| 104 | const cache4 = new WeakMap(); |
| 105 | cache3.set(a3, cache4); |
| 106 | const newValue = fn(a1, a2, a3, a4); |
| 107 | cache4.set(a4, newValue); |
| 108 | return newValue; |
| 109 | } |
| 110 | |
| 111 | const cache4 = cache3.get(a3); |
| 112 | if (!cache4) { |
| 113 | const cache4 = new WeakMap(); |
| 114 | cache3.set(a3, cache4); |
| 115 | const newValue = fn(a1, a2, a3, a4); |
| 116 | cache4.set(a4, newValue); |
| 117 | return newValue; |
| 118 | } |
| 119 | |
| 120 | const cachedValue = cache4.get(a4); |
| 121 | if (cachedValue === undefined) { |
| 122 | const newValue = fn(a1, a2, a3, a4); |
| 123 | cache4.set(a4, newValue); |
| 124 | return newValue; |
| 125 | } |
| 126 | |
| 127 | return cachedValue; |
| 128 | } as F; |
| 129 | } |
| 130 | |
| 131 | export function memoize5<F extends (a1: any, a2: any, a3: any, a4: any, a5: any) => any>(fn: F): F { |
| 132 | const memoize5Cache: WeakMap< |