toJS.js
1.23 KB
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import { hasAnchor } from './Node.js';
/**
* Recursively convert any node or its contents to native JavaScript
*
* @param value - The input value
* @param arg - If `value` defines a `toJSON()` method, use this
* as its first argument
* @param ctx - Conversion context, originally set in Document#toJS(). If
* `{ keep: true }` is not set, output should be suitable for JSON
* stringification.
*/
function toJS(value, arg, ctx) {
// eslint-disable-next-line @typescript-eslint/no-unsafe-return
if (Array.isArray(value))
return value.map((v, i) => toJS(v, String(i), ctx));
if (value && typeof value.toJSON === 'function') {
// eslint-disable-next-line @typescript-eslint/no-unsafe-call
if (!ctx || !hasAnchor(value))
return value.toJSON(arg, ctx);
const data = { aliasCount: 0, count: 1, res: undefined };
ctx.anchors.set(value, data);
ctx.onCreate = res => {
data.res = res;
delete ctx.onCreate;
};
const res = value.toJSON(arg, ctx);
if (ctx.onCreate)
ctx.onCreate(res);
return res;
}
if (typeof value === 'bigint' && !ctx?.keep)
return Number(value);
return value;
}
export { toJS };