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///
/// this is a modified copy of the npm project: https://www.npmjs.com/package/json-decycle
/// the original code is used as replacer when stringifying JSON objects that have cycles.
/// However, we want an additional replacer that stringifies Dash Fields and Docs in a custom way.
/// So this modified code allows for a custom replacer to be added to this object that will run before this replacer
///
const g = e => typeof e === 'object' && e != null && !(e instanceof Boolean) && !(e instanceof Date) && !(e instanceof Number) && !(e instanceof RegExp) && !(e instanceof String);
const b = e => String('#') + e.map(t => String(t).replace(/~/g, '~0').replace(/\//g, '~1')).join('/');
// eslint-disable-next-line node/no-unsupported-features/es-syntax
export function decycle(replacer) {
const e = new WeakMap();
return function (n, rr) {
const r = replacer(n, rr);
if (n !== '$ref' && g(r)) {
if (e.has(r)) return { $ref: b(e.get(r)) };
e.set(r, [...(e.get(this) === undefined ? [] : e.get(this)), n]);
}
return r;
};
}
// eslint-disable-next-line node/no-unsupported-features/es-syntax
export function retrocycle() {
const e = new WeakMap();
const t = new WeakMap();
const n = new Set();
function r(o) {
const c = o.$ref.slice(1).split('/');
let s;
let a = this;
// eslint-disable-next-line no-plusplus
for (let p = 0; p < c.length; p++) {
s = c[p].replace(/~1/g, '/').replace(/~0/g, '~');
a = a[s];
}
const f = e.get(o);
f[t.get(o)] = a;
}
return function (c, s) {
if (c === '$ref') n.add(this);
else if (g(s)) {
const f = c === '' && Object.keys(this).length === 1;
if (f) n.forEach(r, this);
else {
e.set(s, this);
t.set(s, c);
}
}
return s;
};
}
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