@tubular/astronomy/dist/simple-astro-data.service.js

Astronomical calculations for planetary positions, moon phases, eclipses, rise, transit, and set times, and more.

// makeRequest function derived from https://stackoverflow.com/questions/30008114/how-do-i-promisify-native-xhr
function makeRequest(url, responseType) {
    return new Promise((resolve, reject) => {
        const xhr = new XMLHttpRequest();
        xhr.open('GET', url);
        xhr.responseType = responseType;
        xhr.onload = function () {
            if (this.status >= 200 && this.status < 300) {
                resolve(xhr.response);
            }
            else {
                // eslint-disable-next-line prefer-promise-reject-errors
                reject({
                    status: this.status,
                    statusText: xhr.statusText
                });
            }
        };
        xhr.onerror = function () {
            // eslint-disable-next-line prefer-promise-reject-errors
            reject({
                status: this.status,
                statusText: xhr.statusText
            });
        };
        xhr.send();
    });
}
export class SimpleAstroDataService {
    // eslint-disable-next-line no-useless-constructor
    constructor(baseUrl) {
        this.baseUrl = baseUrl;
    }
    getStars() {
        return makeRequest(this.baseUrl + 'stars.dat', 'arraybuffer');
    }
    getGrsData() {
        return makeRequest(this.baseUrl + 'grs_longitude.txt', 'arraybuffer');
    }
    getAsteroidData() {
        return makeRequest(this.baseUrl + 'asteroids.json', 'json');
    }
    getCometData() {
        return makeRequest(this.baseUrl + 'comets.json', 'json');
    }
}
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