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

URL or blob download helper

{"version":3,"file":"clemox-ngx-file-saver.mjs","sources":["../../../projects/ngx-file-saver/src/lib/services/ngx-file-saver.service.ts","../../../projects/ngx-file-saver/src/public-api.ts","../../../projects/ngx-file-saver/src/clemox-ngx-file-saver.ts"],"sourcesContent":["import { Injectable } from '@angular/core';\r\n\r\n\r\n@Injectable({ providedIn: 'root' })\r\nexport class NgxFileSaverService {\r\n\r\n    public saveUrl(url: string, fileName: string): void {\r\n        const anchor = this.clickUrlPrepare(url, fileName);\r\n        if (anchor === undefined) {\r\n            this.downloadProcess(url, fileName);\r\n        } else {\r\n            this.clickUrlProcess(anchor);\r\n        }\r\n    }\r\n\r\n    public saveBlob(data: Blob, fileName: string): void {\r\n        const anchor = this.clickBlobPrepare(data, fileName);\r\n        this.clickBlobProcess(anchor);\r\n    }\r\n\r\n    //\r\n\r\n    private clickUrlPrepare(url: string, name: string): HTMLAnchorElement | undefined {\r\n        let result: HTMLAnchorElement | undefined = document.createElement('a');\r\n        result.download = name;\r\n        result.href = url;\r\n        result.rel = 'noopener';\r\n\r\n        if (result.origin !== undefined && result.origin !== window.location.origin) {\r\n            result.target = '_blank';\r\n            if (this.isCorsEnabled(result.href)) {\r\n                result = undefined;\r\n            }\r\n        }\r\n\r\n        return result;\r\n    }\r\n\r\n    private clickUrlProcess(anchor: HTMLAnchorElement): void {\r\n        try {\r\n            anchor.dispatchEvent(new MouseEvent('click'));\r\n        } catch (e) {\r\n            anchor.click();\r\n        }\r\n    }\r\n\r\n    private clickBlobPrepare(data: Blob, name: string): HTMLAnchorElement {\r\n        const result = document.createElement('a');\r\n        result.download = name;\r\n        result.href = URL.createObjectURL(data);\r\n        result.rel = 'noopener';\r\n        return result;\r\n    }\r\n\r\n    private clickBlobProcess(anchor: HTMLAnchorElement): void {\r\n        setTimeout(() => { URL.revokeObjectURL(anchor.href); }, 4E4); // 40s\r\n        setTimeout(() => { this.clickUrlProcess(anchor); }, 0);\r\n    }\r\n\r\n    private downloadProcess(url: string, name: string): void {\r\n        const xhr = new XMLHttpRequest();\r\n        xhr.responseType = 'blob';\r\n        xhr.open('GET', url);\r\n        xhr.onload = (() => this.saveBlob(xhr.response, name));\r\n        xhr.onerror = (() => console.error('could not download file'));\r\n        xhr.send();\r\n    }\r\n\r\n    private isCorsEnabled(url: string): boolean {\r\n        const xhr = new XMLHttpRequest();\r\n        xhr.open('HEAD', url, false);\r\n        try {\r\n            xhr.send();\r\n        } catch (e) { }\r\n        return (xhr.status >= 200 && xhr.status <= 299);\r\n    }\r\n\r\n}\r\n","/*\n * Public API Surface of ngx-file-saver\n */\n\nexport * from './lib/services/ngx-file-saver.service';\n","/**\n * Generated bundle index. 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