ngx-dropzone-next/fesm2022/ngx-dropzone-next-ngx-dropzone.service-DgjHzr4g.mjs

A highly configurable dropzone component for Angular.

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

/**
 * This service contains the filtering logic to be applied to
 * any dropped or selected file. If a file matches all criteria
 * like maximum size or accept type, it will be emitted in the
 * addedFiles array, otherwise in the rejectedFiles array.
 */
class NgxDropzoneService {
    parseFileList(files, accept, maxFileSize, multiple) {
        const addedFiles = [];
        const rejectedFiles = [];
        for (let i = 0; i < files.length; i++) {
            const file = files.item(i);
            if (!this.isAccepted(file, accept)) {
                this.rejectFile(rejectedFiles, file, 'type');
                continue;
            }
            if (maxFileSize && file.size > maxFileSize) {
                this.rejectFile(rejectedFiles, file, 'size');
                continue;
            }
            if (!multiple && addedFiles.length >= 1) {
                this.rejectFile(rejectedFiles, file, 'no_multiple');
                continue;
            }
            addedFiles.push(file);
        }
        const result = {
            addedFiles,
            rejectedFiles,
        };
        return result;
    }
    isAccepted(file, accept) {
        if (accept === '*') {
            return true;
        }
        const acceptFiletypes = accept
            .split(',')
            .map((it) => it.toLowerCase().trim());
        const filetype = file.type.toLowerCase();
        const filename = file.name.toLowerCase();
        const matchedFileType = acceptFiletypes.find((acceptFiletype) => {
            // check for wildcard mimetype (e.g. image/*)
            if (acceptFiletype.endsWith('/*')) {
                return filetype.split('/')[0] === acceptFiletype.split('/')[0];
            }
            // check for file extension (e.g. .csv)
            if (acceptFiletype.startsWith('.')) {
                return filename.endsWith(acceptFiletype);
            }
            // check for exact mimetype match (e.g. image/jpeg)
            return acceptFiletype == filetype;
        });
        return !!matchedFileType;
    }
    rejectFile(rejectedFiles, file, reason) {
        const rejectedFile = file;
        rejectedFile.reason = reason;
        rejectedFiles.push(rejectedFile);
    }
    /** @nocollapse */ static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: NgxDropzoneService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    /** @nocollapse */ static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: NgxDropzoneService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.6", ngImport: i0, type: NgxDropzoneService, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });

export { NgxDropzoneService };
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