@clemox/ngx-file-saver/fesm2022/clemox-ngx-file-saver.mjs

URL or blob download helper

import * as i0 from '@angular/core';
import { Injectable } from '@angular/core';

class NgxFileSaverService {
    saveUrl(url, fileName) {
        const anchor = this.clickUrlPrepare(url, fileName);
        if (anchor === undefined) {
            this.downloadProcess(url, fileName);
        }
        else {
            this.clickUrlProcess(anchor);
        }
    }
    saveBlob(data, fileName) {
        const anchor = this.clickBlobPrepare(data, fileName);
        this.clickBlobProcess(anchor);
    }
    //
    clickUrlPrepare(url, name) {
        let result = document.createElement('a');
        result.download = name;
        result.href = url;
        result.rel = 'noopener';
        if (result.origin !== undefined && result.origin !== window.location.origin) {
            result.target = '_blank';
            if (this.isCorsEnabled(result.href)) {
                result = undefined;
            }
        }
        return result;
    }
    clickUrlProcess(anchor) {
        try {
            anchor.dispatchEvent(new MouseEvent('click'));
        }
        catch (e) {
            anchor.click();
        }
    }
    clickBlobPrepare(data, name) {
        const result = document.createElement('a');
        result.download = name;
        result.href = URL.createObjectURL(data);
        result.rel = 'noopener';
        return result;
    }
    clickBlobProcess(anchor) {
        setTimeout(() => { URL.revokeObjectURL(anchor.href); }, 4E4); // 40s
        setTimeout(() => { this.clickUrlProcess(anchor); }, 0);
    }
    downloadProcess(url, name) {
        const xhr = new XMLHttpRequest();
        xhr.responseType = 'blob';
        xhr.open('GET', url);
        xhr.onload = (() => this.saveBlob(xhr.response, name));
        xhr.onerror = (() => console.error('could not download file'));
        xhr.send();
    }
    isCorsEnabled(url) {
        const xhr = new XMLHttpRequest();
        xhr.open('HEAD', url, false);
        try {
            xhr.send();
        }
        catch (e) { }
        return (xhr.status >= 200 && xhr.status <= 299);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.0.0", ngImport: i0, type: NgxFileSaverService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.0.0", ngImport: i0, type: NgxFileSaverService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.0.0", ngImport: i0, type: NgxFileSaverService, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });

/*
 * Public API Surface of ngx-file-saver
 */

/**
 * Generated bundle index. Do not edit.
 */

export { NgxFileSaverService };
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