You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.1 KiB
85 lines
2.1 KiB
import {
|
|
VOID, PRIMITIVE,
|
|
ARRAY, OBJECT,
|
|
DATE, REGEXP, MAP, SET,
|
|
ERROR, BIGINT
|
|
} from './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);
|
|
case 'ArrayBuffer':
|
|
return as(new Uint8Array(value).buffer, value);
|
|
case 'DataView': {
|
|
const { buffer } = new Uint8Array(value);
|
|
return as(new DataView(buffer), value);
|
|
}
|
|
}
|
|
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}
|
|
*/
|
|
export const deserialize = serialized => deserializer(new Map, serialized)(0);
|