use-link-preview/dist/index.js

react custom hook for link-preview

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = require("react");
function getMetadata(url) {
    return __awaiter(this, void 0, void 0, function* () {
        const res = yield fetch(LINK_PRECIEW_SERVER_API + url, CONFIG);
        const metadata = yield res.json();
        return metadata;
    });
}
function useLinkPreview(url) {
    const [error, setError] = (0, react_1.useState)(null);
    const [metadata, setMetadata] = (0, react_1.useState)(null);
    (0, react_1.useEffect)(() => {
        setError(null);
        setMetadata(null);
        getMetadata(url)
            .then((res) => {
            const { resultCode, resultMessage, data } = res;
            if (resultCode < 0) {
                setError(new Error(resultMessage));
            }
            else {
                setMetadata(data);
            }
        })
            .catch((err) => {
            setError(err);
        });
    }, [url]);
    return { metadata, isLoading: !error && !metadata, isError: error };
}
exports.default = useLinkPreview;
const LINK_PRECIEW_SERVER_API = "https://js-linkpreview.herokuapp.com/api/link-preview/?url=";
const CONFIG = {
    headers: {
        Accept: "application/json",
    },
};