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Improved Code Style of Angular 2+ Demo [ci skip]

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Austin Turner 2017-08-05 16:44:17 -06:00
parent 935821423f
commit d443860e6d
1 changed files with 12 additions and 13 deletions
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25
demos/angular2/src/app/sheetjs.component.ts
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@ -6,9 +6,9 @@ import * as XLSX from 'xlsx';
import { saveAs } from 'file-saver';
type AOA = Array<Array<any> >;
type AOA = Array<Array<any>>;
function s2ab(s:string):ArrayBuffer {
function s2ab(s: string): ArrayBuffer {
const buf = new ArrayBuffer(s.length);
const view = new Uint8Array(buf);
for (let i = 0; i !== s.length; ++i) {
@ -33,17 +33,16 @@ function s2ab(s:string):ArrayBuffer {
})
export class SheetJSComponent {
data:AOA = [[1,2],[3,4]];
wopts:XLSX.WritingOptions = { bookType:'xlsx', type:'binary' };
fileName:string = "SheetJS.xlsx";
data: AOA = [[1,2],[3,4]];
wopts: XLSX.WritingOptions = { bookType:'xlsx', type:'binary' };
fileName: string = "SheetJS.xlsx";
public onFileChange(evt:any) {
const scope = this;
onFileChange(evt: any) {
/* wire up file reader */
const target:DataTransfer = (<DataTransfer>(evt.target));
if(target.files.length != 1) throw new Error("Cannot upload multiple files on the entry");
const target: DataTransfer = <DataTransfer>(evt.target);
if(target.files.length != 1) { throw new Error("Cannot upload multiple files on the entry") };
const reader = new FileReader();
reader.onload = function (e:any) {
reader.onload = (e: any) => {
/* read workbook */
const bstr = e.target.result;
const wb = XLSX.read(bstr, {type:'binary'});
@ -52,13 +51,13 @@ export class SheetJSComponent {
const wsname = wb.SheetNames[0];
const ws = wb.Sheets[wsname];
/* save data to scope */
scope.data = (<AOA>(XLSX.utils.sheet_to_json(ws, {header:1})));
/* save data */
this.data = <AOA>(XLSX.utils.sheet_to_json(ws, {header:1}));
};
reader.readAsBinaryString(target.files[0]);
}
export():void {
export(): void {
/* generate worksheet */
const ws = XLSX.utils.aoa_to_sheet(this.data);