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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| import { isObject } from "@harmoniclabs/obj-utils"; | ||
| import { toHex } from "@harmoniclabs/uint8array-utils"; | ||
|
|
||
| export function mkReplacer( | ||
| replacer?: (key: string, value: any) => any | null, | ||
| map: WeakMap<any, string> = new WeakMap() | ||
| ) | ||
| { | ||
| if( typeof replacer !== "function" ) replacer = ( k, v ) => v; | ||
| return function( key: string, value: any ) | ||
| { | ||
| value = replacer!(key, value); | ||
| if( isObject( value ) ) | ||
| { | ||
| if ( map.has(value) ) { | ||
| return map.get(value); | ||
| } | ||
| map.set(value, key); | ||
|
|
||
| if( typeof value.buffer === "object" && value.buffer instanceof ArrayBuffer ) | ||
| { | ||
| value = new Uint8Array(value.buffer); | ||
| } | ||
| if( value instanceof Uint8Array) | ||
| { | ||
| value = toHex(value); | ||
| } | ||
| } | ||
| if( typeof value === "bigint" ) | ||
| { | ||
| value = value.toString(); | ||
| } | ||
|
|
||
| return value; | ||
| }; | ||
| } | ||
|
|
||
| export function stringify( | ||
| value: any, | ||
| replacer?: (key: string, value: any) => any | null | (number | string)[], | ||
| space: string | number = 0 | ||
| ): string | ||
| { | ||
| if( replacer ) | ||
| { | ||
| return JSON.stringify(value, replacer, space); | ||
| } | ||
| return JSON.stringify(value, mkReplacer( replacer, new WeakMap() ), space); | ||
| } |
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