@chain-registry/utils/esm/utils.js

Chain Registry Utils

export const customFind = (array, filterFn, message) => {
    const filteredItems = array.filter(filterFn);
    const filterCount = filteredItems.length;
    if (filterCount > 1) {
        throw new Error(`Ambiguity Error: ${filterCount} items found ${message}.`);
    }
    return filteredItems[0];
};
export const getNativeAssets = (assets) => {
    return assets.map(list => {
        const clone = JSON.parse(JSON.stringify(list));
        clone.assets = list.assets.filter(asset => {
            switch (true) {
                case asset.base.startsWith('factory/'):
                    return false;
                case asset.base.startsWith('ft') && list.chainName === 'bitsong':
                    return false;
                case asset.base.startsWith('erc20/'):
                    return true;
                case asset.base.startsWith('ibc/'):
                    return false;
                case asset.base.startsWith('cw20:'):
                    return true;
                default:
                    if (!asset.traces || !asset.traces.length) {
                        // asset.type_asset = 'sdk.coin'
                        return true;
                    }
                    return false;
            }
        }).map(asset => {
            delete asset.extendedDescription;
            return asset;
        });
        return clone;
    });
};