@dioxide-js/detect-provider/dist/lib/index.js

A tiny utility for detecting the Dioxide-wallet provider which injected at window.dioxide.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Returns a Promise that resolves to the value of window.dioxide if it is
 * The Promise will not reject, but an error will be thrown if invalid options
 * are provided.
 *
 * @param options - Options bag.
 * @param options.timeout - Milliseconds to wait for 'dioxide#initialized' to
 * be dispatched. Default: 3000
 * @returns A Promise that resolves with the Provider if it is detected within
 * given timeout, otherwise null.
 */
function detectDioxideProvider(_a) {
    var _b = _a === void 0 ? {} : _a, _c = _b.timeout, timeout = _c === void 0 ? 3000 : _c;
    if (typeof timeout !== 'number') {
        throw new Error("@duiyuan/detect-provider: Expected option 'timeout' to be a number.");
    }
    var done = false;
    return new Promise(function (resolve) {
        // Resolve promise immediately when detect window.dioxide
        // Otherwise detect it after dioxide#initialized event trigger, you will got null after given timeout
        if (window.dioxide) {
            detect();
        }
        else {
            window.addEventListener('dioxide#initialized', detect, {
                once: true,
            });
            setTimeout(function () {
                detect();
            }, timeout);
        }
        function detect() {
            if (done) {
                return;
            }
            done = true;
            window.removeEventListener('dioxide#initialized', detect);
            if (window.dioxide) {
                resolve(window.dioxide);
            }
            else {
                var message = 'Unable to detect window.dioxide';
                console.error('@dioxide/detect-provider:', message);
                resolve(null);
            }
        }
    });
}
exports.default = detectDioxideProvider;
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