| 31 | * @category hashing |
| 32 | */ |
| 33 | export const hash: <A>(self: A) => number = <A>(self: A) => { |
| 34 | if (structuralRegionState.enabled === true) { |
| 35 | return 0 |
| 36 | } |
| 37 | |
| 38 | switch (typeof self) { |
| 39 | case "number": |
| 40 | return number(self) |
| 41 | case "bigint": |
| 42 | return string(self.toString(10)) |
| 43 | case "boolean": |
| 44 | return string(String(self)) |
| 45 | case "symbol": |
| 46 | return string(String(self)) |
| 47 | case "string": |
| 48 | return string(self) |
| 49 | case "undefined": |
| 50 | return string("undefined") |
| 51 | case "function": |
| 52 | case "object": { |
| 53 | if (self === null) { |
| 54 | return string("null") |
| 55 | } else if (self instanceof Date) { |
| 56 | if (Number.isNaN(self.getTime())) { |
| 57 | return string("Invalid Date") |
| 58 | } |
| 59 | return hash(self.toISOString()) |
| 60 | } else if (self instanceof URL) { |
| 61 | return hash(self.href) |
| 62 | } else if (isHash(self)) { |
| 63 | return self[symbol]() |
| 64 | } else { |
| 65 | return random(self) |
| 66 | } |
| 67 | } |
| 68 | default: |
| 69 | throw new Error( |
| 70 | `BUG: unhandled typeof ${typeof self} - please report an issue at https://github.com/Effect-TS/effect/issues` |
| 71 | ) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * @since 2.0.0 |