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'use strict';
const {
VOID, PRIMITIVE, ARRAY, OBJECT, DATE, REGEXP, MAP, SET, ERROR, BIGINT
} = require('./types.js');
const env = typeof self === 'object' ? self : globalThis;
const deserializer = ($, _) => {
const as = (out, index) => {
$.set(index, out);
return out;
};
const unpair = index => {
if ($.has(index))
return $.get(index);
const [type, value] = _[index];
switch (type) {
case PRIMITIVE:
case VOID:
return as(value, index);
case ARRAY: {
const arr = as([], index);
for (const index of value)
arr.push(unpair(index));
return arr;
}
case OBJECT: {
const object = as({}, index);
for (const [key, index] of value)
object[unpair(key)] = unpair(index);
return object;
}
case DATE:
return as(new Date(value), index);
case REGEXP: {
const {source, flags} = value;
return as(new RegExp(source, flags), index);
}
case MAP: {
const map = as(new Map, index);
for (const [key, index] of value)
map.set(unpair(key), unpair(index));
return map;
}
case SET: {
const set = as(new Set, index);
for (const index of value)
set.add(unpair(index));
return set;
}
case ERROR: {
const {name, message} = value;
return as(new env[name](message), index);
}
case BIGINT:
return as(BigInt(value), index);
case 'BigInt':
return as(Object(BigInt(value)), index);
}
return as(new env[type](value), index);
};
return unpair;
};
/**
* @typedef {Array<string,any>} Record a type representation
*/
/**
* Returns a deserialized value from a serialized array of Records.
* @param {Record[]} serialized a previously serialized value.
* @returns {any}
*/
const deserialize = serialized => deserializer(new Map, serialized)(0);
exports.deserialize = deserialize;
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