@metaplex-foundation/umi-serializers
Version:
A comprehensive set of serializers for the Umi framework
62 lines (56 loc) • 2.08 kB
JavaScript
Object.defineProperty(exports, '__esModule', { value: true });
var umiSerializersCore = require('@metaplex-foundation/umi-serializers-core');
var umiSerializersNumbers = require('@metaplex-foundation/umi-serializers-numbers');
var errors = require('./errors.cjs');
var utils = require('./utils.cjs');
/**
* Defines the options for `Set` serializers.
* @category Serializers
*/
/**
* Creates a serializer for a set.
*
* @param item - The serializer to use for the set's items.
* @param options - A set of options for the serializer.
* @category Serializers
*/
function set(item, options = {}) {
const size = options.size ?? umiSerializersNumbers.u32();
return {
description: options.description ?? `set(${item.description}; ${utils.getSizeDescription(size)})`,
fixedSize: utils.getSizeFromChildren(size, [item.fixedSize]),
maxSize: utils.getSizeFromChildren(size, [item.maxSize]),
serialize: set => {
if (typeof size === 'number' && set.size !== size) {
throw new errors.InvalidNumberOfItemsError('set', size, set.size);
}
const itemBytes = Array.from(set, value => item.serialize(value));
return umiSerializersCore.mergeBytes([utils.getSizePrefix(size, set.size), ...itemBytes]);
},
deserialize: (bytes, offset = 0) => {
const set = new Set();
if (typeof size === 'object' && bytes.slice(offset).length === 0) {
return [set, offset];
}
if (size === 'remainder') {
while (offset < bytes.length) {
const [value, newOffset] = item.deserialize(bytes, offset);
set.add(value);
offset = newOffset;
}
return [set, offset];
}
const [resolvedSize, newOffset] = utils.getResolvedSize(size, bytes, offset);
offset = newOffset;
for (let i = 0; i < resolvedSize; i += 1) {
const [value, newOffset] = item.deserialize(bytes, offset);
set.add(value);
offset = newOffset;
}
return [set, offset];
}
};
}
exports.set = set;
//# sourceMappingURL=set.cjs.map
;