JSON.stringify with depth limit
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const stringify = ( | |
obj: any, | |
replacer?: (this: any, key: string, value: any) => any, | |
space?: string | number, | |
depth = Infinity, | |
): string => { | |
if (!obj || typeof obj !== 'object') { | |
return JSON.stringify(obj, replacer, space); | |
} | |
const t = depth < 1 | |
? '"..."' | |
: Array.isArray(obj) | |
? `[${obj.map(v => stringify(v, replacer, space, depth - 1)).join(',')}]` | |
: `{${Object.keys(obj) | |
.map((k) => `"${k}": ${stringify(obj[k], replacer, space, depth - 1)}`) | |
.join(', ')}}`; | |
return JSON.stringify(JSON.parse(t), replacer, space); | |
}; |
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Respect the original
JSON.stringify
params (which means it can safely replaceJSON.stringify
), written in TypeScript.