# All files / my/svgUploader svgUploader.js

33.33% Statements 6/18
40% Branches 4/10
42.86% Functions 3/7
25% Lines 4/16

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     /*
     * Copyright (c) 2021, salesforce.com, inc.
     * All rights reserved.
     * Licensed under the BSD 3-Clause license.
     * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
     */
    import { LightningElement, api } from 'lwc';

    export default class SvgUploader extends LightningElement {
      static MAX_SIZE = 200000;

      @api
      fileName;

      @api
      fileContent;

      discardSvg = () => {
        this.dispatchEvent(
          new CustomEvent('uploadsvg', {
            detail: {
              fileName: '',
              fileContent: ''
            }
          })
        );
      };

      get showOutputClass() {
        return this.fileName ? 'output show' : 'output';
      }
      get showInputClass() {
        return this.fileName ? 'input' : 'input show';
      }

      loadSvgFile = (e) => {
        const file = e.currentTarget.files[0];
        if (file && file.size < SvgUploader.MAX_SIZE) {
          const reader = new FileReader();
          reader.readAsText(file, 'UTF-8');
          reader.onload = (re) => {
            if (re.target.result) {
              this.dispatchEvent(
                new CustomEvent('uploadsvg', {
                  detail: {
                    fileName: file.name,
                    fileContent: re.target.result
                  }
                })
              );
            }
          };
          reader.onerror = (re) => {
            console.error(re);
          };
          e.currentTarget.type = 'text';
          e.currentTarget.type = 'file';
        }
      };
    }