jumpstorm/engine/utils/coding.ts

41 lines
937 B
TypeScript

const replacer = (_key: any, value: any) => {
if (value instanceof Map) {
return {
dataType: 'Map',
value: Array.from(value.entries())
};
} else {
return value;
}
};
const sortObj = (obj: any): any =>
obj === null || typeof obj !== 'object'
? obj
: Array.isArray(obj)
? obj.map(sortObj)
: Object.assign(
{},
...Object.entries(obj)
.sort(([keyA], [keyB]) => keyA.localeCompare(keyB))
.map(([k, v]) => ({ [k]: sortObj(v) }))
);
const reviver = (_key: any, value: any) => {
if (typeof value === 'object' && value !== null) {
if (value.dataType === 'Map') {
return new Map(value.value);
}
}
return value;
};
// "deterministic" stringify
export const stringify = (obj: any) => {
return JSON.stringify(sortObj(obj), replacer);
};
export const parse = <T>(str: string) => {
return JSON.parse(str, reviver) as unknown as T;
};