wgm-swap-components/dist/hooks/useTokens.js

A React component library for token swap interfaces

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import { useState, useEffect } from 'react';
import { TOKEN_API_URL } from '../constants';
export function useTokens(searchQuery) {
    var _this = this;
    if (searchQuery === void 0) { searchQuery = ''; }
    var _a = useState(true), isLoading = _a[0], setIsLoading = _a[1];
    var _b = useState([]), allTokens = _b[0], setAllTokens = _b[1];
    var _c = useState(null), error = _c[0], setError = _c[1];
    useEffect(function () {
        var fetchTokens = function () { return __awaiter(_this, void 0, void 0, function () {
            var url, response, data, mappedTokens, err_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        setIsLoading(true);
                        _a.label = 1;
                    case 1:
                        _a.trys.push([1, 4, 5, 6]);
                        url = searchQuery
                            ? "".concat(TOKEN_API_URL, "/tokens?query=").concat(encodeURIComponent(searchQuery))
                            : "".concat(TOKEN_API_URL, "/tokens");
                        return [4 /*yield*/, fetch(url)];
                    case 2:
                        response = _a.sent();
                        if (!response.ok) {
                            throw new Error("HTTP error! status: ".concat(response.status));
                        }
                        return [4 /*yield*/, response.json()];
                    case 3:
                        data = _a.sent();
                        mappedTokens = data.tokens.map(function (token) { return ({
                            address: token.id,
                            symbol: token.symbol,
                            name: token.name,
                            logoUrl: token.iconUrl,
                            decimals: token.decimals,
                            verified: token.verified,
                            price: parseFloat(token.derivedIP) || 0,
                            balance: '0', // Default balance
                        }); });
                        setAllTokens(mappedTokens);
                        setError(null);
                        return [3 /*break*/, 6];
                    case 4:
                        err_1 = _a.sent();
                        console.error('Error fetching tokens:', err_1);
                        setError('Failed to load tokens');
                        return [3 /*break*/, 6];
                    case 5:
                        setIsLoading(false);
                        return [7 /*endfinally*/];
                    case 6: return [2 /*return*/];
                }
            });
        }); };
        fetchTokens();
    }, [searchQuery]);
    return {
        tokens: allTokens,
        allTokens: allTokens,
        isLoading: isLoading,
        error: error
    };
}