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sheetjs
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Code Issues 175 Pull Requests 12 Wiki Activity

parse ZIP64 length (fixes #2766 h/t @silvialeung)

This commit is contained in:
SheetJS 2022-08-21 20:51:51 -04:00
parent 199373e918
commit 045adba80d
134 changed files with 65 additions and 4907 deletions
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24
bits/18_cfb.js
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@ -211,8 +211,15 @@ function parse_extra_field(blob/*:CFBlob*/)/*:any*/ {
if(flags & 4) p.ctime = blob.read_shift(4);
}
if(p.mtime) p.mt = new Date(p.mtime*1000);
}
break;
} break;
/* ZIP64 Extended Information Field */
case 0x0001: {
var sz1 = blob.read_shift(4), sz2 = blob.read_shift(4);
p.usz = (sz2 * Math.pow(2,32) + sz1);
sz1 = blob.read_shift(4); sz2 = blob.read_shift(4);
p.csz = (sz2 * Math.pow(2,32) + sz1);
// NOTE: volume fields are skipped
} break;
}
blob.l = tgt;
o[type] = p;
@ -1401,6 +1408,11 @@ function parse_zip(file/*:RawBytes*/, options/*:CFBReadOpts*/)/*:CFBContainer*/
var L = blob.l;
blob.l = offset + 4;
/* ZIP64 lengths */
if(EF && EF[0x0001]) {
if((EF[0x0001]||{}).usz) usz = EF[0x0001].usz;
if((EF[0x0001]||{}).csz) csz = EF[0x0001].csz;
}
parse_local_file(blob, csz, usz, o, EF);
blob.l = L;
}
@ -1430,7 +1442,13 @@ function parse_local_file(blob/*:CFBlob*/, csz/*:number*/, usz/*:number*/, o/*:C
if(efsz) {
var ef = parse_extra_field(/*::(*/blob.slice(blob.l, blob.l + efsz)/*:: :any)*/);
if((ef[0x5455]||{}).mt) date = ef[0x5455].mt;
if(((EF||{})[0x5455]||{}).mt) date = EF[0x5455].mt;
if((ef[0x0001]||{}).usz) _usz = ef[0x0001].usz;
if((ef[0x0001]||{}).csz) _csz = ef[0x0001].csz;
if(EF) {
if((EF[0x5455]||{}).mt) date = EF[0x5455].mt;
if((EF[0x0001]||{}).usz) _usz = ef[0x0001].usz;
if((EF[0x0001]||{}).csz) _csz = ef[0x0001].csz;
}
}
blob.l += efsz;

19
demos/README.md
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@ -26,23 +26,23 @@ can be installed with Bash on Windows or with `cygwin`.
- [`IndexedDB`](https://docs.sheetjs.com/docs/demos/database#indexeddb)
**Frameworks**
- [`Angular 2+ and Ionic`](https://docs.sheetjs.com/docs/demos/angular)
- [`React`](https://docs.sheetjs.com/docs/demos/react)
- [`VueJS`](https://docs.sheetjs.com/docs/demos/vue)
- [`Angular.JS`](https://docs.sheetjs.com/docs/demos/legacy#angularjs)
- [`Angular 2+ and Ionic`](angular2/)
- [`Knockout`](https://docs.sheetjs.com/docs/demos/legacy#knockoutjs)
- [`React and NextJS`](react/)
- [`VueJS`](vue/)
**Front-End UI Components**
- [`canvas-datagrid`](https://docs.sheetjs.com/docs/demos/grid#canvas-datagrid)
- [`x-spreadsheet`](xspreadsheet/)
- [`react-data-grid`](react/modify/)
- [`vue3-table-light`](vue/modify/)
- [`x-spreadsheet`](https://docs.sheetjs.com/docs/demos/grid#x-spreadsheet)
- [`react-data-grid`](https://docs.sheetjs.com/docs/demos/grid#react-data-grid)
- [`vue3-table-lite`](https://docs.sheetjs.com/docs/demos/grid#vue3-table-lite)
- [`angular-ui-grid`](https://docs.sheetjs.com/docs/demos/grid#angular-ui-grid)
**Platforms and Integrations**
- [`Command-Line Tools`](https://docs.sheetjs.com/docs/demos/cli)
- [`iOS and Android Mobile Applications`](https://docs.sheetjs.com/docs/demos/mobile)
- [`NodeJS Server-Side Processing`](server/)
- [`NodeJS Server-Side Processing`](https://docs.sheetjs.com/docs/demos/server#nodejs)
- [`Content Management and Static Sites`](https://docs.sheetjs.com/docs/demos/content)
- [`Electron`](https://docs.sheetjs.com/docs/demos/desktop#electron)
- [`NW.js`](https://docs.sheetjs.com/docs/demos/desktop#nwjs)
@ -54,8 +54,9 @@ can be installed with Bash on Windows or with `cygwin`.
- [`SalesForce Lightning Web Components`](https://docs.sheetjs.com/docs/demos/salesforce)
- [`Excel JavaScript API`](https://docs.sheetjs.com/docs/demos/excel)
- [`Headless Automation`](https://docs.sheetjs.com/docs/demos/headless)
- [`Swift JSC and Other JavaScript Engines`](https://docs.sheetjs.com/docs/demos/engines)
- [`"serverless" functions`](function/)
- [`Other JavaScript Engines`](https://docs.sheetjs.com/docs/demos/engines)
- [`Azure Functions and Storage`](https://docs.sheetjs.com/docs/demos/azure)
- [`Amazon Web Services`](https://docs.sheetjs.com/docs/demos/aws)
- [`Databases and Structured Data Stores`](https://docs.sheetjs.com/docs/demos/database)
- [`NoSQL and Unstructured Data Stores`](https://docs.sheetjs.com/docs/demos/nosql)
- [`Legacy Internet Explorer`](https://docs.sheetjs.com/docs/demos/legacy#internet-explorer)

23
demos/angular2/.angular-cli.json
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@ -1,23 +0,0 @@
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"project": {
"name": "angular2"
},
"apps": [
{
"root": "src",
"outDir": "dist",
"index": "index.html",
"main": "main.ts",
"polyfills": "polyfills.ts",
"test": "test.ts",
"tsconfig": "tsconfig.app.json",
"prefix": "app",
"scripts": []
}
],
"defaults": {
"styleExt": "css",
"component": {}
}
}

6
demos/angular2/.eslintrc
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@ -1,6 +0,0 @@
{
"parser": "@typescript-eslint/parser",
"extends": [
"eslint:recommended"
]
}

1
demos/angular2/.gitattributes vendored
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@ -1 +0,0 @@
*.*-ng* linguist-generated=true binary

8
demos/angular2/.gitignore vendored
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@ -1,8 +0,0 @@
dist
hooks
SheetJSIonic
SheetJSNS
angular.json
tsconfig.app.json
src/polyfills.ts
.angular

34
demos/angular2/Makefile
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@ -1,34 +0,0 @@
.PHONY: ng2 ng4 ng5 ng6 ng7 ng8 ng9 ng10 ng11 ng12 ng13
ng2 ng4 ng5 ng6 ng7 ng8 ng9 ng10 ng11 ng12 ng13:
rm -f angular.json tsconfig.app.json src/polyfills.ts
cp versions/package.json-$@ package.json
if [ -e versions/angular.json-$@ ]; then cp versions/angular.json-$@ angular.json; fi
if [ -e versions/tsconfig.app.json-$@ ]; then cp versions/tsconfig.app.json-$@ tsconfig.app.json; fi
if [ -e versions/polyfills.ts-$@ ]; then cp versions/polyfills.ts-$@ src/polyfills.ts; fi
rm -rf node_modules
if [ ! -e node_modules ]; then mkdir node_modules; fi
npm install
if [ ! -e node_modules/xlsx ]; then cd node_modules; ln -s ../../../ xlsx; cd -; fi
npm run build
.PHONY: refresh
refresh: ## refresh the `xlsx` symlink to force angular to rebuild
rm -rf .angular/
rm -f node_modules/xlsx
cd node_modules; ln -s ../../../ xlsx; cd -
touch node_modules/xlsx
.PHONY: all
all:
for i in 2 4 5 6 7 8 9 10 11 12 13; do make ng$$i; done
.PHONY: ionic
ionic:
bash ./ionic.sh
.PHONY: ios android browser
ios browser: ionic
cd SheetJSIonic; ionic cordova emulate $@ </dev/null; cd -
android: ionic
cd SheetJSIonic; ionic cordova prepare $@ </dev/null; ionic cordova emulate $@ </dev/null; cd -

147
demos/angular2/README.md
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@ -1,148 +1,11 @@
# Angular 2+
The ESM build can be imported directly from TS code with:
[The new demo](https://docs.sheetjs.com/docs/demos/angular) has an updated
exposition for legacy and modern deployments alike.
```typescript
import { read, utils, writeFileXLSX } from 'xlsx';
```
The ecosystem demos were grouped by type in the new demo site:
This demo uses an array of arrays (type `Array<Array<any>>`) as the core state.
The component template includes a file input element, a table that updates with
the data, and a button to export the data.
Other scripts in this demo show:
- `ionic` deployment for iOS, android, and browser
- `nativescript` deployment for iOS and android
## Array of Arrays
`Array<Array<any>>` neatly maps to a table with `ngFor`:
```html
<table class="sjs-table">
<tr *ngFor="let row of data">
<td *ngFor="let val of row">
{{val}}
</td>
</tr>
</table>
```
The `aoa_to_sheet` utility function returns a worksheet. Exporting is simple:
```typescript
/* generate worksheet */
const ws: XLSX.WorkSheet = XLSX.utils.aoa_to_sheet(this.data);
/* generate workbook and add the worksheet */
const wb: XLSX.WorkBook = XLSX.utils.book_new();
XLSX.utils.book_append_sheet(wb, ws, 'Sheet1');
/* save to file */
XLSX.writeFile(wb, 'SheetJS.xlsx');
```
`sheet_to_json` with the option `header:1` makes importing simple:
```typescript
/* <input type="file" (change)="onFileChange($event)" multiple="false" /> */
/* ... (within the component class definition) ... */
onFileChange(evt: any) {
/* wire up file reader */
const target: DataTransfer = <DataTransfer>(evt.target);
if (target.files.length !== 1) throw new Error('Cannot use multiple files');
const reader: FileReader = new FileReader();
reader.onload = (e: any) => {
/* read workbook */
const ab: ArrayBuffer = e.target.result;
const wb: XLSX.WorkBook = XLSX.read(ab);
/* grab first sheet */
const wsname: string = wb.SheetNames[0];
const ws: XLSX.WorkSheet = wb.Sheets[wsname];
/* save data */
this.data = <AOA>(XLSX.utils.sheet_to_json(ws, {header: 1}));
};
reader.readAsArrayBuffer(target.files[0]);
}
```
## Switching between Angular versions
Modules that work with Angular 2 largely work as-is with Angular 4+. Switching
between versions is mostly a matter of installing the correct version of the
core and associated modules. This demo includes `package.json-angular#` files
for every major version of Angular up to 12.
To test a particular Angular version, overwrite `package.json`:
```bash
# switch to Angular 2
$ cp package.json-ng2 package.json
$ npm install
$ ng serve
```
Note: when running the demos, Angular 2 requires Node <= 14. This is due to a
tooling issue with `ng` and does not affect browser use.
## XLSX Symbolic Link
In this tree, `node_modules/xlsx` is a link pointing back to the root. This
enables testing the development version of the library. In order to use this
demo in other applications, add the `xlsx` dependency:
```bash
$ npm install --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
```
## SystemJS Configuration
The default angular-cli configuration requires no additional configuration.
Some deployments use the SystemJS loader, which does require configuration.
[SystemJS](https://docs.sheetjs.com/docs/demos/bundler#systemjs)
demo in the SheetJS CE docs describe the required settings.
## Ionic
<img src="screen.png" width="400px"/>
Reproducing the full project is a little bit tricky. The included `ionic.sh`
script performs the necessary installation steps.
`Array<Array<any>>` neatly maps to a table with `ngFor`:
```html
<ion-grid>
<ion-row *ngFor="let row of data">
<ion-col *ngFor="let val of row">
{{val}}
</ion-col>
</ion-row>
</ion-grid>
```
`@ionic-native/file` reads and writes files on devices. `readAsArrayBuffer`
returns `ArrayBuffer` objects suitable for `array` type, and `array` type can
be converted to blobs that can be exported with `writeFile`:
```typescript
/* read a workbook */
const ab: ArrayBuffer = await this.file.readAsArrayBuffer(url, filename);
const wb: XLSX.WorkBook = XLSX.read(bstr, {type: 'array'});
/* write a workbook */
const wbout: ArrayBuffer = XLSX.write(wb, { bookType: 'xlsx', type: 'array' });
let blob = new Blob([wbout], {type: 'application/octet-stream'});
this.file.writeFile(url, filename, blob, {replace: true});
```
## NativeScript
[The new demo](https://docs.sheetjs.com/docs/demos/mobile#nativescript)
is updated for NativeScript 8 and uses more idiomatic data patterns.
- [NativeScript](https://docs.sheetjs.com/docs/demos/mobile#nativescript) is now part of "iOS and Android Apps"
- [Ionic](https://docs.sheetjs.com/docs/demos/mobile#ionic) is now part of "iOS and Android Apps"
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-xlsx?pixel)](https://github.com/SheetJS/js-xlsx)

22
demos/angular2/ionic-app.module.ts
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@ -1,22 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/* NOTE: this file exists because `File` must be added as a provider */
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouteReuseStrategy } from '@angular/router';
import { IonicModule, IonicRouteStrategy } from '@ionic/angular';
import { AppComponent } from './app.component';
import { AppRoutingModule } from './app-routing.module';
import { File } from '@ionic-native/file/ngx';
@NgModule({
declarations: [AppComponent],
entryComponents: [],
imports: [BrowserModule, IonicModule.forRoot(), AppRoutingModule],
providers: [File, { provide: RouteReuseStrategy, useClass: IonicRouteStrategy }],
bootstrap: [AppComponent],
})
export class AppModule {}

16
demos/angular2/ionic.sh
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@ -1,16 +0,0 @@
#!/bin/bash
if [ ! -e SheetJSIonic ]; then
ionic start SheetJSIonic blank --type angular --cordova --quiet --no-git --no-link --confirm </dev/null
cd SheetJSIonic
ionic cordova platform add browser --confirm </dev/null
ionic cordova platform add ios --confirm </dev/null
ionic cordova platform add android --confirm </dev/null
ionic cordova plugin add cordova-plugin-file </dev/null
npm install --save @ionic-native/core
npm install --save @ionic-native/file
npm install --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
cp ../ionic-app.module.ts src/app/app.module.ts
cd -
fi
cp ionic.ts SheetJSIonic/src/app/home/home.page.ts

126
demos/angular2/ionic.ts
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@ -1,126 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
import { Component } from '@angular/core';
import { File } from '@ionic-native/file/ngx';
import * as XLSX from 'xlsx';
type AOA = any[][];
@Component({
selector: 'app-home',
//templateUrl: 'home.page.html',
styleUrls: ['home.page.scss'],
template: `
<ion-header>
<ion-toolbar>
<ion-title>SheetJS Ionic Demo</ion-title>
</ion-toolbar>
</ion-header>
<ion-content [fullscreen]="true">
<ion-header collapse="condense">
<ion-toolbar>
<ion-title>SheetJS Demo</ion-title>
</ion-toolbar>
</ion-header>
<ion-grid>
<ion-row *ngFor="let row of data">
<ion-col *ngFor="let val of row">
{{val}}
</ion-col>
</ion-row>
</ion-grid>
</ion-content>
<ion-footer padding>
<input type="file" (change)="onFileChange($event)" multiple="false" />
<button ion-button color="secondary" (click)="import()">Import Data</button>
<button ion-button color="secondary" (click)="export()">Export Data</button>
</ion-footer>
`
})
export class HomePage {
data: any[][] = [[1,2,3],[4,5,6]];
constructor(public file: File) {}
read(ab: ArrayBuffer) {
/* read workbook */
const wb: XLSX.WorkBook = XLSX.read(new Uint8Array(ab), {type: 'array'});
/* grab first sheet */
const wsname: string = wb.SheetNames[0];
const ws: XLSX.WorkSheet = wb.Sheets[wsname];
/* save data */
this.data = (XLSX.utils.sheet_to_json(ws, {header: 1}) as AOA);
};
write(): XLSX.WorkBook {
/* generate worksheet */
const ws: XLSX.WorkSheet = XLSX.utils.aoa_to_sheet(this.data);
/* generate workbook and add the worksheet */
const wb: XLSX.WorkBook = XLSX.utils.book_new();
XLSX.utils.book_append_sheet(wb, ws, 'SheetJS');
return wb;
};
/* File Input element for browser */
onFileChange(evt: any) {
/* wire up file reader */
const target: DataTransfer = (evt.target as DataTransfer);
if (target.files.length !== 1) { throw new Error('Cannot use multiple files'); }
const reader: FileReader = new FileReader();
reader.onload = (e: any) => {
const ab: ArrayBuffer = e.target.result;
this.read(ab);
};
reader.readAsArrayBuffer(target.files[0]);
};
/* Import button for mobile */
async import() {
try {
const target: string = this.file.documentsDirectory || this.file.externalDataDirectory || this.file.dataDirectory || '';
const dentry = await this.file.resolveDirectoryUrl(target);
const url: string = dentry.nativeURL || '';
alert(`Attempting to read SheetJSIonic.xlsx from ${url}`);
const ab: ArrayBuffer = await this.file.readAsArrayBuffer(url, 'SheetJSIonic.xlsx');
this.read(ab);
} catch(e) {
const m: string = e.message;
alert(m.match(/It was determined/) ? 'Use File Input control' : `Error: ${m}`);
}
};
/* Export button */
async export() {
const wb: XLSX.WorkBook = this.write();
const filename = 'SheetJSIonic.xlsx';
try {
/* generate Blob */
const wbout: ArrayBuffer = XLSX.write(wb, { bookType: 'xlsx', type: 'array' });
/* find appropriate path for mobile */
const target: string = this.file.documentsDirectory || this.file.externalDataDirectory || this.file.dataDirectory || '';
const dentry = await this.file.resolveDirectoryUrl(target);
const url: string = dentry.nativeURL || '';
/* attempt to save blob to file */
await this.file.writeFile(url, filename, wbout, {replace: true});
alert(`Wrote to SheetJSIonic.xlsx in ${url}`);
} catch(e) {
if(e.message.match(/It was determined/)) {
/* in the browser, use writeFile */
XLSX.writeFile(wb, filename);
} else {
alert(`Error: ${e.message}`);
}
}
};
}

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demos/angular2/package.json
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@ -1,39 +0,0 @@
{
"name": "angular13",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~13.2.0",
"@angular/common": "~13.2.0",
"@angular/compiler": "~13.2.0",
"@angular/core": "~13.2.0",
"@angular/forms": "~13.2.0",
"@angular/platform-browser": "~13.2.0",
"@angular/platform-browser-dynamic": "~13.2.0",
"@angular/router": "~13.2.0",
"rxjs": "~7.5.0",
"tslib": "^2.3.0",
"zone.js": "~0.11.4"
},
"devDependencies": {
"@angular-devkit/build-angular": "~13.2.1",
"@angular/cli": "~13.2.1",
"@angular/compiler-cli": "~13.2.0",
"@types/node": "^12.11.1",
"typescript": "~4.5.2"
}
}

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demos/angular2/src/app/app.module.ts
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@ -1,28 +0,0 @@
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { SheetJSComponent } from './sheetjs.component';
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
template: `<sheetjs></sheetjs>`
})
export class AppComponent {
title = 'test';
}
@NgModule({
declarations: [
SheetJSComponent,
AppComponent
],
imports: [
BrowserModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }

64
demos/angular2/src/app/sheetjs.component.ts
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@ -1,64 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
import { Component } from '@angular/core';
import { WorkBook, WorkSheet, WritingOptions, read, writeFileXLSX as writeFile, utils, version, set_cptable } from 'xlsx';
//import * as cpexcel from 'xlsx/dist/cpexcel.full.mjs';
//set_cptable(cpexcel);
type AOA = any[][];
@Component({
selector: 'sheetjs',
template: `
<pre><b>Version: {{ver}}</b></pre>
<input type="file" (change)="onFileChange($event)" multiple="false" />
<table class="sjs-table">
<tr *ngFor="let row of data">
<td *ngFor="let val of row">
{{val}}
</td>
</tr>
</table>
<button (click)="export()">Export!</button>
`
})
export class SheetJSComponent {
data: AOA = [ [1, 2], [3, 4] ];
wopts: WritingOptions = { bookType: 'xlsx', type: 'array' };
fileName: string = 'SheetJS.xlsx';
ver: string = version;
onFileChange(evt: any) {
/* wire up file reader */
const target: DataTransfer = <DataTransfer>(evt.target);
if (target.files.length !== 1) throw new Error('Cannot use multiple files');
const reader: FileReader = new FileReader();
reader.onload = (e: any) => {
/* read workbook */
const ab: ArrayBuffer = e.target.result;
const wb: WorkBook = read(ab);
/* grab first sheet */
const wsname: string = wb.SheetNames[0];
const ws: WorkSheet = wb.Sheets[wsname];
/* save data */
this.data = <AOA>(utils.sheet_to_json(ws, {header: 1}));
};
reader.readAsArrayBuffer(target.files[0]);
}
export(): void {
/* generate worksheet */
const ws: WorkSheet = utils.aoa_to_sheet(this.data);
/* generate workbook and add the worksheet */
const wb: WorkBook = utils.book_new();
utils.book_append_sheet(wb, ws, 'Sheet1');
/* save to file */
writeFile(wb, this.fileName);
}
}

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demos/angular2/src/environments/environment.prod.ts
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@ -1,3 +0,0 @@
export const environment = {
production: true
};

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demos/angular2/src/environments/environment.ts
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@ -1,3 +0,0 @@
export const environment = {
production: false
};

30
demos/angular2/src/index.html
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@ -1,30 +0,0 @@
<!DOCTYPE html>
<!-- xlsx.js (C) 2013-present SheetJS http://sheetjs.com -->
<!-- vim: set ts=2: -->
<html lang="en">
<head>
<title>SheetJS + Angular 2+</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<pre>
<b><a href="http://sheetjs.com">SheetJS + Angular 2+ demo</a></b>
The core library can be used as-is in angular applications.
The <a href="https://github.com/sheetjs/js-xlsx">Community Edition README</a> details some common use cases.
We also have some <a href="http://sheetjs.com/demos/">more public demos</a>
This demo shows `SheetJSComponent` which provides:
- File input button with an event handler to parse the workbook
- `data` property: array of arrays
- Simple angular table which binds to the `data` property
- `export` function that exports the `data` property to a new file.
<a href="https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls">Sample Spreadsheet</a>
</pre>
<app-root></app-root>
</body>
</html>

3
demos/angular2/src/main.ts
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@ -1,3 +0,0 @@
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);

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demos/angular2/src/styles.css
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@ -1 +0,0 @@
/* You can add global styles to this file, and also import other style files */

9
demos/angular2/src/tsconfig.app.json
View File

@ -1,9 +0,0 @@
{
"extends": "../tsconfig.json",
"compilerOptions": {
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"module": "es2015",
"baseUrl": "",
"types": []
}
}

20
demos/angular2/tsconfig.json
View File

@ -1,20 +0,0 @@
{
"compileOnSave": false,
"compilerOptions": {
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"baseUrl": "src",
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"moduleResolution": "node",
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"experimentalDecorators": true,
"target": "es5",
"typeRoots": [
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],
"lib": [
"es2016",
"dom"
]
}
}

125
demos/angular2/versions/angular.json-ng10
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@ -1,125 +0,0 @@
{
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}

124
demos/angular2/versions/angular.json-ng11
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@ -1,124 +0,0 @@
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106
demos/angular2/versions/angular.json-ng12
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@ -1,106 +0,0 @@
{
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"tsConfig": "tsconfig.app.json",
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106
demos/angular2/versions/angular.json-ng13
View File

@ -1,106 +0,0 @@
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127
demos/angular2/versions/angular.json-ng6
View File

@ -1,127 +0,0 @@
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136
demos/angular2/versions/angular.json-ng7
View File

@ -1,136 +0,0 @@
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126
demos/angular2/versions/angular.json-ng8
View File

@ -1,126 +0,0 @@
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125
demos/angular2/versions/angular.json-ng9
View File

@ -1,125 +0,0 @@
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}
}
}
}
},
"defaultProject": "sheetjs"
}

39
demos/angular2/versions/package.json-ng10
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@ -1,39 +0,0 @@
{
"name": "angular10",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~10.2.4",
"@angular/common": "~10.2.4",
"@angular/compiler": "~10.2.4",
"@angular/core": "~10.2.4",
"@angular/forms": "~10.2.4",
"@angular/platform-browser": "~10.2.4",
"@angular/platform-browser-dynamic": "~10.2.4",
"@angular/router": "~10.2.4",
"rxjs": "~6.6.0",
"tslib": "^2.0.0",
"zone.js": "~0.10.2"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.1002.3",
"@angular/cli": "~10.2.3",
"@angular/compiler-cli": "~10.2.4",
"@types/node": "^12.11.1",
"ts-node": "~8.3.0",
"tslint": "~6.1.0",
"typescript": "~4.0.2"
}
}

39
demos/angular2/versions/package.json-ng11
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@ -1,39 +0,0 @@
{
"name": "angular11",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~11.2.14",
"@angular/common": "~11.2.14",
"@angular/compiler": "~11.2.14",
"@angular/core": "~11.2.14",
"@angular/forms": "~11.2.14",
"@angular/platform-browser": "~11.2.14",
"@angular/platform-browser-dynamic": "~11.2.14",
"@angular/router": "~11.2.14",
"rxjs": "~6.6.0",
"tslib": "^2.0.0",
"zone.js": "~0.11.3"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.1102.13",
"@angular/cli": "~11.2.14",
"@angular/compiler-cli": "~11.2.14",
"@types/node": "^12.11.1",
"ts-node": "~8.3.0",
"tslint": "~6.1.0",
"typescript": "~4.1.5"
}
}

39
demos/angular2/versions/package.json-ng12
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@ -1,39 +0,0 @@
{
"name": "angular12",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~12.2.0",
"@angular/common": "~12.2.0",
"@angular/compiler": "~12.2.0",
"@angular/core": "~12.2.0",
"@angular/forms": "~12.2.0",
"@angular/platform-browser": "~12.2.0",
"@angular/platform-browser-dynamic": "~12.2.0",
"@angular/router": "~12.2.0",
"rxjs": "~6.6.0",
"tslib": "^2.3.0",
"zone.js": "~0.11.4"
},
"devDependencies": {
"@angular-devkit/build-angular": "~12.2.7",
"@angular/cli": "~12.2.7",
"@angular/compiler-cli": "~12.2.0",
"@types/node": "^12.11.1",
"typescript": "~4.3.5"
}
}

39
demos/angular2/versions/package.json-ng13
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@ -1,39 +0,0 @@
{
"name": "angular13",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~13.2.0",
"@angular/common": "~13.2.0",
"@angular/compiler": "~13.2.0",
"@angular/core": "~13.2.0",
"@angular/forms": "~13.2.0",
"@angular/platform-browser": "~13.2.0",
"@angular/platform-browser-dynamic": "~13.2.0",
"@angular/router": "~13.2.0",
"rxjs": "~7.5.0",
"tslib": "^2.3.0",
"zone.js": "~0.11.4"
},
"devDependencies": {
"@angular-devkit/build-angular": "~13.2.1",
"@angular/cli": "~13.2.1",
"@angular/compiler-cli": "~13.2.0",
"@types/node": "^12.11.1",
"typescript": "~4.5.2"
}
}

37
demos/angular2/versions/package.json-ng2
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@ -1,37 +0,0 @@
{
"name": "angular2",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/common": "~2.4.1",
"@angular/compiler": "~2.4.1",
"@angular/compiler-cli": "^2.4.1",
"@angular/core": "~2.4.1",
"@angular/forms": "~2.4.1",
"@angular/http": "~2.4.1",
"@angular/platform-browser": "~2.4.1",
"@angular/platform-browser-dynamic": "~2.4.1",
"@angular/platform-server": "^2.4.1",
"@angular/router": "~3.4.0",
"core-js": "^2.4.1",
"reflect-metadata": "^0.1.8",
"rxjs": "^5.0.2",
"systemjs": "0.19.40",
"zone.js": "^0.7.4"
},
"devDependencies": {
"@angular/cli": "1.1.2",
"@angular/compiler-cli": "^2.0.0",
"@angular/language-service": "^2.0.0",
"@types/node": "~6.0.60",
"ts-node": "~3.0.4",
"tslint": "~5.3.2",
"typescript": "~2.3.3"
}
}

38
demos/angular2/versions/package.json-ng4
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@ -1,38 +0,0 @@
{
"name": "angular4",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "^4.0.0",
"@angular/common": "^4.0.0",
"@angular/compiler": "^4.0.0",
"@angular/core": "^4.0.0",
"@angular/forms": "^4.0.0",
"@angular/http": "^4.0.0",
"@angular/platform-browser": "^4.0.0",
"@angular/platform-browser-dynamic": "^4.0.0",
"@angular/router": "^4.0.0",
"core-js": "^2.4.1",
"rxjs": "^5.1.0",
"zone.js": "^0.8.4"
},
"devDependencies": {
"@angular/cli": "1.1.2",
"@angular/compiler-cli": "^4.0.0",
"@angular/language-service": "^4.0.0",
"@types/node": "~6.0.60",
"ts-node": "~3.0.4",
"tslint": "~5.3.2",
"typescript": "~2.3.3"
}
}

38
demos/angular2/versions/package.json-ng5
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@ -1,38 +0,0 @@
{
"name": "angular5",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "^5.0.0",
"@angular/common": "^5.0.0",
"@angular/compiler": "^5.0.0",
"@angular/core": "^5.0.0",
"@angular/forms": "^5.0.0",
"@angular/http": "^5.0.0",
"@angular/platform-browser": "^5.0.0",
"@angular/platform-browser-dynamic": "^5.0.0",
"@angular/router": "^5.0.0",
"core-js": "^2.4.1",
"rxjs": "^5.5.2",
"zone.js": "^0.8.14"
},
"devDependencies": {
"@angular/cli": "^1.5.3",
"@angular/compiler-cli": "^5.0.0",
"@angular/language-service": "^5.0.0",
"@types/node": "~6.0.60",
"ts-node": "~3.2.0",
"tslint": "~5.7.0",
"typescript": "~2.4.2"
}
}

39
demos/angular2/versions/package.json-ng6
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@ -1,39 +0,0 @@
{
"name": "angular6",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "^6.1.0",
"@angular/common": "^6.1.0",
"@angular/compiler": "^6.1.0",
"@angular/core": "^6.1.0",
"@angular/forms": "^6.1.0",
"@angular/http": "^6.1.0",
"@angular/platform-browser": "^6.1.0",
"@angular/platform-browser-dynamic": "^6.1.0",
"@angular/router": "^6.1.0",
"core-js": "^2.5.4",
"rxjs": "~6.2.0",
"zone.js": "~0.8.26"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.8.0",
"@angular/cli": "~6.2.9",
"@angular/compiler-cli": "^6.1.0",
"@angular/language-service": "^6.1.0",
"@types/node": "~8.9.4",
"ts-node": "~7.0.0",
"tslint": "~5.11.0",
"typescript": "~2.9.2"
}
}

39
demos/angular2/versions/package.json-ng7
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@ -1,39 +0,0 @@
{
"name": "angular7",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~7.2.0",
"@angular/common": "~7.2.0",
"@angular/compiler": "~7.2.0",
"@angular/core": "~7.2.0",
"@angular/forms": "~7.2.0",
"@angular/platform-browser": "~7.2.0",
"@angular/platform-browser-dynamic": "~7.2.0",
"@angular/router": "~7.2.0",
"core-js": "^2.5.4",
"rxjs": "~6.3.3",
"tslib": "^1.9.0",
"zone.js": "~0.8.26"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.13.0",
"@angular/cli": "~7.3.10",
"@angular/compiler-cli": "~7.2.0",
"@angular/language-service": "~7.2.0",
"@types/node": "~8.9.4",
"ts-node": "~7.0.0",
"tslint": "~5.11.0",
"typescript": "~3.2.2"
}
}

39
demos/angular2/versions/package.json-ng8
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@ -1,39 +0,0 @@
{
"name": "angular8",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~8.2.14",
"@angular/common": "~8.2.14",
"@angular/compiler": "~8.2.14",
"@angular/core": "~8.2.14",
"@angular/forms": "~8.2.14",
"@angular/platform-browser": "~8.2.14",
"@angular/platform-browser-dynamic": "~8.2.14",
"@angular/router": "~8.2.14",
"rxjs": "~6.4.0",
"tslib": "^1.10.0",
"zone.js": "~0.9.1"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.803.29",
"@angular/cli": "~8.3.29",
"@angular/compiler-cli": "~8.2.14",
"@angular/language-service": "~8.2.14",
"@types/node": "~8.9.4",
"ts-node": "~7.0.0",
"tslint": "~5.15.0",
"typescript": "~3.5.3"
}
}

39
demos/angular2/versions/package.json-ng9
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@ -1,39 +0,0 @@
{
"name": "angular9",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build"
},
"private": true,
"dependencies": {
"@angular/animations": "~9.1.13",
"@angular/common": "~9.1.13",
"@angular/compiler": "~9.1.13",
"@angular/core": "~9.1.13",
"@angular/forms": "~9.1.13",
"@angular/platform-browser": "~9.1.13",
"@angular/platform-browser-dynamic": "~9.1.13",
"@angular/router": "~9.1.13",
"rxjs": "~6.5.4",
"tslib": "^1.10.0",
"zone.js": "~0.10.2"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.901.15",
"@angular/cli": "~9.1.15",
"@angular/compiler-cli": "~9.1.13",
"@types/node": "^12.11.1",
"ts-node": "~8.3.0",
"tslint": "~6.1.0",
"typescript": "~3.8.3"
}
}

1
demos/angular2/versions/polyfills.ts-ng10
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@ -1 +0,0 @@
import 'zone.js/dist/zone';

1
demos/angular2/versions/polyfills.ts-ng11
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@ -1 +0,0 @@
import 'zone.js/dist/zone';

1
demos/angular2/versions/polyfills.ts-ng12
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@ -1 +0,0 @@
import 'zone.js';

1
demos/angular2/versions/polyfills.ts-ng13
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@ -1 +0,0 @@
import 'zone.js';

3
demos/angular2/versions/polyfills.ts-ng2
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@ -1,3 +0,0 @@
import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

3
demos/angular2/versions/polyfills.ts-ng4
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@ -1,3 +0,0 @@
import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

3
demos/angular2/versions/polyfills.ts-ng5
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@ -1,3 +0,0 @@
import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

3
demos/angular2/versions/polyfills.ts-ng6
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@ -1,3 +0,0 @@
import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

3
demos/angular2/versions/polyfills.ts-ng7
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@ -1,3 +0,0 @@
import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

1
demos/angular2/versions/polyfills.ts-ng8
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@ -1 +0,0 @@
import 'zone.js/dist/zone';

1
demos/angular2/versions/polyfills.ts-ng9
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@ -1 +0,0 @@
import 'zone.js/dist/zone';

14
demos/angular2/versions/tsconfig.app.json-ng10
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@ -1,14 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.d.ts"
]
}

14
demos/angular2/versions/tsconfig.app.json-ng11
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@ -1,14 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.d.ts"
]
}

14
demos/angular2/versions/tsconfig.app.json-ng12
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@ -1,14 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.d.ts"
]
}

14
demos/angular2/versions/tsconfig.app.json-ng13
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@ -1,14 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.d.ts"
]
}

18
demos/angular2/versions/tsconfig.app.json-ng8
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@ -1,18 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.ts"
],
"exclude": [
"src/test.ts",
"src/**/*.spec.ts"
]
}

14
demos/angular2/versions/tsconfig.app.json-ng9
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@ -1,14 +0,0 @@
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts",
"src/polyfills.ts"
],
"include": [
"src/**/*.d.ts"
]
}

7
demos/function/.eslintrc
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@ -1,7 +0,0 @@
{
"env": { "shared-node-browser":true },
"parserOptions": {
"ecmaVersion": 8
},
"plugins": [ "html", "json" ]
}

17
demos/function/AzureHTTPTrigger/function.json
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@ -1,17 +0,0 @@
{
"disabled": false,
"bindings": [
{
"authLevel": "function",
"type": "httpTrigger",
"direction": "in",
"dataType": "binary",
"name": "req"
},
{
"type": "http",
"direction": "out",
"name": "res"
}
]
}

44
demos/function/AzureHTTPTrigger/index.js
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@ -1,44 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* eslint-env node */
// base64 sheetjs.xlsb | curl -F "data=@-;filename=test.xlsb" http://localhost:7262/api/AzureHTTPTrigger
const XLSX = require('xlsx');
const formidable = require('formidable');
const Readable = require('stream').Readable;
var fs = require('fs');
/* formidable expects the request object to be a stream */
const streamify = (req) => {
if(typeof req.on !== 'undefined') return req;
const s = new Readable();
s._read = ()=>{};
s.push(new Buffer(req.body));
s.push(null);
Object.assign(s, req);
return s;
};
module.exports = (context, req) => {
const form = new formidable.IncomingForm();
form.parse(streamify(req), (err, fields, files) => {
/* grab the first file */
var f = Object.values(files)[0];
if(!f) {
context.res = { status: 400, body: "Must submit a file for processing!" };
} else {
/* file is stored in a temp directory, so we can point to that and read it */
const wb = XLSX.read(f.path, {type:"file"});
/* convert to specified output type -- default CSV */
const ext = (fields.bookType || "csv").toLowerCase();
const out = XLSX.write(wb, {type:"string", bookType:ext});
context.res = {
status: 200,
headers: { "Content-Disposition": `attachment; filename="download.${ext}";` },
body: out
};
}
context.done();
});
};

65
demos/function/Firebase/.gitignore vendored
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@ -1,65 +0,0 @@
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
firebase-debug.log*
# Firebase cache
.firebase/
# Firebase config
# Uncomment this if you'd like others to create their own Firebase project.
# For a team working on the same Firebase project(s), it is recommended to leave
# it commented so all members can deploy to the same project(s) in .firebaserc.
.firebaserc
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# nyc test coverage
.nyc_output
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (http://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules/
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variables file
.env

1
demos/function/Firebase/firebase.json
View File

@ -1 +0,0 @@
{}

1
demos/function/Firebase/functions/.gitignore vendored
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@ -1 +0,0 @@
node_modules/

39
demos/function/Firebase/functions/index.js
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@ -1,39 +0,0 @@
const functions = require('firebase-functions');
const Busboy = require('busboy');
const XLSX = require('xlsx');
// // Create and Deploy Your First Cloud Functions
// // https://firebase.google.com/docs/functions/write-firebase-functions
//
exports.helloWorld = functions.https.onRequest((request, response) => {
response.send("Hello from Firebase!");
});
exports.main = functions.https.onRequest((req, res) => {
var bb = new Busboy({
headers: {
'content-type': req.headers['content-type']
}
});
let fields = {};
let files = {};
bb.on('field', (fieldname, val) => {
fields[fieldname] = val;
});
bb.on('file', (fieldname, file, filename) => {
var buffers = [];
file.on('data', (data) => {
buffers.push(data);
});
file.on('end', () => {
files[fieldname] = [Buffer.concat(buffers), filename];
});
});
bb.on('finish', () => {
let f = files[Object.keys(files)[0]];
const wb = XLSX.read(f[0], { type: "buffer" });
// Convert to CSV
res.send(XLSX.utils.sheet_to_csv(wb.Sheets[wb.SheetNames[0]]));
});
bb.end(req.body)
});

24
demos/function/Firebase/functions/package.json
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@ -1,24 +0,0 @@
{
"name": "functions",
"description": "Cloud Functions for Firebase",
"scripts": {
"serve": "firebase emulators:start --only functions",
"shell": "firebase functions:shell",
"start": "npm run shell",
"deploy": "firebase deploy --only functions",
"logs": "firebase functions:log"
},
"engines": {
"node": "8"
},
"dependencies": {
"busboy": "^0.3.1",
"firebase-admin": "^8.6.0",
"firebase-functions": "^3.3.0",
"xlsx": "^0.16.2"
},
"devDependencies": {
"firebase-functions-test": "^0.1.6"
},
"private": true
}

40
demos/function/LambdaProxy/index.js
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@ -1,40 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* eslint-env node */
// base64 sheetjs.xlsb | curl -F "data=@-;filename=test.xlsb" http://localhost:3000/LambdaProxy
'use strict';
var XLSX = require('xlsx');
var Busboy = require('busboy');
exports.handler = function(event, context, callback) {
/* set up busboy */
var ctype = event.headers['Content-Type']||event.headers['content-type'];
var bb = new Busboy({headers:{'content-type':ctype}});
/* busboy is evented; accumulate the fields and files manually */
var fields = {}, files = {};
bb.on('error', function(err) { console.log('err', err); callback(err); });
bb.on('field', function(fieldname, val) {fields[fieldname] = val });
bb.on('file', function(fieldname, file, filename) {
/* concatenate the individual data buffers */
var buffers = [];
file.on('data', function(data) { buffers.push(data); });
file.on('end', function() { files[fieldname] = [Buffer.concat(buffers), filename]; });
});
/* on the finish event, all of the fields and files are ready */
bb.on('finish', function() {
/* grab the first file */
var f = files[Object.keys(files)[0]];
if(!f) callback(new Error("Must submit a file for processing!"));
/* f[0] is a buffer, convert to string and interpret as Base64 */
var wb = XLSX.read(f[0].toString(), {type:"base64"});
/* grab first worksheet and convert to CSV */
var ws = wb.Sheets[wb.SheetNames[0]];
callback(null, { body: XLSX.utils.sheet_to_csv(ws) });
});
bb.end(event.body);
};

18
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@ -1,18 +0,0 @@
AWSTemplateFormatVersion : '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Sample Lambda API Gateway Normalizer
Resources:
LambdaProxy:
Type: AWS::Serverless::Function
Properties:
Runtime: nodejs6.10
Handler: index.handler
BinaryMediaTypes: '*/*'
Events:
Api:
Type: Api
Properties:
Path: /LambdaProxy
Method: any
BinaryMediaTypes: '*/*'

28
demos/function/Makefile
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@ -1,28 +0,0 @@
.PHONY: aws
aws: lambda-proxy
.PHONY: lambda-proxy
lambda-proxy:
cd LambdaProxy; mkdir -p node_modules; npm install https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz busboy; sam local start-api; cd -
.PHONY: init-azure
init-azure:
cd AzureHTTPTrigger; mkdir -p node_modules; npm install https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz formidable fs
.PHONY: azure
azure: init-azure
func start
.PHONY: azure-server
azure-server:
mkdir -p /tmp/azurite
azurite -l /tmp/azurite
FILES=$(filter-out xlsx.full.min.js,$(wildcard *.js)) $(wildcard *.html)
.PHONY: lint
lint: $(FILES)
eslint $(FILES)
.PHONY: clean
clean:
rm -f *.db *.xlsx *.csv

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@ -1,113 +1,9 @@
# "Serverless" Functions
Because the library is pure JS, the hard work of reading and writing files can
be performed in the client browser or on the server side. On the server side,
the mechanical process is essentially independent from the data parsing or
generation. As a result, it is sometimes sensible to organize applications so
that the "last mile" conversion between JSON data and spreadsheet files is
independent from the main application.
Cloud services are covered in separate demos:
The straightforward architecture would split off the JSON data conversion as a
separate microservice or application. Since it is only needed when an import or
export is requested, and since the process itself is relatively independent from
the rest of a typical service, a "Serverless" architecture makes a great fit.
Since the "function" is separate from the rest of the application, it can be
integrated into a platform built in Java or Go or Python or another language!
- [AWS](https://docs.sheetjs.com/docs/demos/aws)
- [Azure](https://docs.sheetjs.com/docs/demos/azure)
This demo discusses general architectures and provides examples for popular
commercial systems and self-hosted alternatives. The examples are merely
intended to demonstrate very basic functionality.
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-xlsx?pixel)](https://github.com/SheetJS/js-xlsx)
## Simple Strategies
#### Data Normalization
Most programming languages and platforms can process CSV or JSON but can't use
XLS or XLSX or XLSB directly. Form data from an HTTP POST request can be parsed
and contained files can be converted to CSV or JSON. The `XLSX.stream.to_csv`
utility can stream rows to a standard HTTP response. `XLSX.utils.sheet_to_json`
can generate an array of objects that can be fed to another service.
At the simplest level, a file on the filesystem can be converted using the bin
script that ships with the NodeJS package:
```bash
$ xlsx /path/to/uploads/file > /tmp/new_csv_file
```
From a utility script, workbooks can be converted in two lines:
```js
var workbook = XLSX.readFile("path/to/file.xlsb");
XLSX.writeFile(workbook, "output/path/file.csv");
```
#### Report Generation
For an existing platform that already generates JSON or CSV or HTML output, the
library can process the data and generate a new file with embellishments. The
`XLSX.utils.sheet_add_json` and `XLSX.utils.sheet_add_aoa` functions can add
data rows to an existing worksheet:
```js
var ws = XLSX.utils.aoa_to_sheet([
["Company Report"],
[],
["Item", "Cost"]
]);
XLSX.utils.sheet_add_json(ws, [
{ item: "Coffee", cost: 5 },
{ item: "Cake", cost: 20 }
], { skipHeader: true, origin: -1, header: ["item", "cost"] });
```
## Deployment Targets
The library is supported in Node versions starting from `0.8` as well as a
myriad of ES3 and ES5 compatible JS engines. All major services use Node
versions beyond major release 4, so there should be no problem directly using
the library in those environments.
Note that most cloud providers proactively convert form data to UTF8 strings.
This is especially problematic when dealing with XLSX and XLSB files, as they
naturally contain codes that are not valid UTF8 characters. As a result, these
demos specifically handle Base64-encoded files only. To test on the command
line, use the `base64` tool to encode data before piping to `curl`:
```
base64 test.xlsb | curl -F "data=@-;filename=test.xlsb" http://localhost/
```
#### AWS Lambda
Through the AWS Gateway API, Lambda functions can be triggered on HTTP requests.
The `LambdaProxy` example reads files from form data and converts to CSV.
When deploying on AWS, be sure to `npm install` locally and include the modules
in the ZIP file.
When reading form data, be sure to include the necessary binary types on the AWS API Gateway console.
To do this, navigate to the "Binary Media Types" section in the settings tab of the console.
For reading a file, you may need to add `"multipart/form-data"`.
For downloading a file, you may need to add `"application/vnd.ms-excel"`.
#### Azure Functions
Azure supports many types of triggers. The `AzureHTTPTrigger` shows an example
HTTP trigger that converts the submitted file to CSV.
When deploying on Azure, be sure to install the module from the remote console,
as described in the "Azure Functions JavaScript developer guide".
#### Firebase Functions
Firebase functions can be triggered via HTTP requests, similar to a REST API.
In the `Firebase` directory, the example function reads files sent through
HTTP and converts it to a CSV and sends the response in the form of a string.
To run this demo locally, run `npm i -g firebase-tools` to install the
Firebase CLI and `npm i` to install the dependencies, then `firebase use --add`
to connect to an existing Firebase project. Run `firebase emulators:start` to
start the local server.

3
demos/function/host.json
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@ -1,3 +0,0 @@
{
"version": "2.0"
}

11
demos/function/local.settings.json
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@ -1,11 +0,0 @@
{
"IsEncrypted": false,
"Values": {
"AzureWebJobsStorage": "UseDevelopmentStorage=true",
"AzureWebJobsDashboard": "UseDevelopmentStorage=true"
},
"Host": {
"LocalHttpPort": 7262,
"CORS": "*"
}
}

4
demos/react/.gitignore vendored
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@ -1,4 +0,0 @@
SheetJS
.next
static/shim.js
public/shim.js

24
demos/react/Makefile
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@ -1,24 +0,0 @@
.PHONY: react
react: init ## Simple server for react and clones
python -mSimpleHTTPServer
.PHONY: next
next: init ## next.js demo
next
.PHONY: native
native: ## Build react-native project
bash ./native.sh
.PHONY: ios
ios: native ## react-native ios sim
cd SheetJS; cd ios; pod install; cd -; react-native run-ios --simulator="iPhone X"; cd -
.PHONY: android
android: native ## react-native android sim
cd SheetJS; react-native run-android; cd -
.PHONY: init
init: ## set up node_modules and symlink
mkdir -p node_modules
cd node_modules; if [ ! -e xlsx ]; then ln -s ../../../ xlsx; fi; cd -

22
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@ -1,22 +0,0 @@
# Additional Notes
## Java, React Native, Gradle versions
This demo was tested and runs with React Native 0.62.2, Java 11, and Gradle
3.5.2. Running `make native` will invoke `native.sh`, which uses a fixed version
of React Native 0.62.2 to build and run the demo.
Make sure you have the correct version of Java (11) installed, since 0.62.2 might
not work with newer versions of Java.
## Common Issues
```
ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
```
Add `export JAVA_HOME=<directory>`, replacing `<directory>` with the location of
your Java install, to your `.bashrc` or any other shell that you are using.

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@ -1,154 +1,12 @@
# React
The `xlsx.core.min.js` and `xlsx.full.min.js` scripts are designed to be dropped
into web pages with script tags:
[The new demo](https://docs.sheetjs.com/docs/demos/react) has an updated
exposition for legacy and modern deployments alike.
```html
<script src="xlsx.full.min.js"></script>
```
The ecosystem demos were grouped by type in the new demo site:
The library can also be imported directly from JSX code with:
```js
import { read, utils, writeFileXLSX } from 'xlsx';
```
This demo shows a simple React component transpiled in the browser using Babel
standalone library. Since there is no standard React table model, this demo
settles on the array of arrays approach.
Other scripts in this demo show:
- server-rendered React component (with `next.js`)
- `react-native` deployment for iOS and android
- [`react-data-grid` reading, modifying, and writing files](modify/)
## How to run
Run `make react` to run the browser demo for React, or run `make next` to run
the server-rendered demo using `next.js`.
## Internal State
The simplest state representation is an array of arrays. To avoid having the
table component depend on the library, the column labels are precomputed. The
state in this demo is shaped like the following object:
```js
{
cols: [{ name: "A", key: 0 }, { name: "B", key: 1 }, { name: "C", key: 2 }],
data: [
[ "id", "name", "value" ],
[ 1, "sheetjs", 7262 ],
[ 2, "js-xlsx", 6969 ]
]
}
```
`sheet_to_json` and `aoa_to_sheet` utility functions can convert between arrays
of arrays and worksheets:
```js
/* convert from workbook to array of arrays */
var first_worksheet = workbook.Sheets[workbook.SheetNames[0]];
var data = XLSX.utils.sheet_to_json(first_worksheet, {header:1});
/* convert from array of arrays to workbook */
var worksheet = XLSX.utils.aoa_to_sheet(data);
var new_workbook = XLSX.utils.book_new();
XLSX.utils.book_append_sheet(new_workbook, worksheet, "SheetJS");
```
The column objects can be generated with the `encode_col` utility function:
```js
function make_cols(refstr/*:string*/) {
var o = [];
var range = XLSX.utils.decode_range(refstr);
for(var i = 0; i <= range.e.c; ++i) {
o.push({name: XLSX.utils.encode_col(i), key:i});
}
return o;
}
```
## React Native
[The new demo](https://docs.sheetjs.com/docs/demos/mobile#react-native) uses
up-to-date file I/O and file picker libraries.
## Server-Rendered React Components with Next.js
The demo reads from `public/sheetjs.xlsx`. HTML output is generated using
`XLSX.utils.sheet_to_html` and inserted with `dangerouslySetInnerHTML`:
```jsx
export default function Index({html, type}) { return (
// ...
<div dangerouslySetInnerHTML={{ __html: html }} />
// ...
); }
```
Next currently offers 3 general strategies for server-side data fetching:
#### "Server-Side Rendering" using `getServerSideProps`
`/getServerSideProps` reads the file on each request. The first worksheet is
converted to HTML:
```js
export async function getServerSideProps() {
const wb = XLSX.readFile(path);
return { props: {
html: utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]])
}};
}
```
#### "Static Site Generation" using `getStaticProps`
`/getServerSideProps` reads the file at build time. The first worksheet is
converted to HTML:
```js
export async function getStaticProps() {
const wb = XLSX.readFile(path);
return { props: {
html: utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]])
}};
}
```
#### "Static Site Generation with Dynamic Routes" using `getStaticPaths`
`/getStaticPaths` reads the file at build time and generates a list of sheets.
`/sheets/[id]` uses `getStaticPaths` to generate a path per sheet index:
```js
export async function getStaticPaths() {
const wb = XLSX.readFile(path);
return {
paths: wb.SheetNames.map((name, idx) => ({ params: { id: idx.toString() } })),
fallback: false
};
}
```
It also uses `getStaticProps` for the actual HTML generation:
```js
export async function getStaticProps(ctx) {
const wb = XLSX.readFile(path);
return { props: {
html: utils.sheet_to_html(wb.Sheets[wb.SheetNames[ctx.params.id]]),
}};
}
```
## Additional Notes
Some additional notes can be found in [`NOTES.md`](NOTES.md).
- [server-rendered React components with `next.js`](https://docs.sheetjs.com/docs/demos/content#nextjs) is now part of "Content and Site Generation"
- [`react-native` deployment for iOS and android](https://docs.sheetjs.com/docs/demos/mobile#react-native) is now part of "iOS and Android Apps"
- [`react-data-grid` reading, modifying, and writing files](https://docs.sheetjs.com/docs/demo/grid#react-data-grid) is now part of "Data Grids and UI"
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-xlsx?pixel)](https://github.com/SheetJS/js-xlsx)

29
demos/react/index.html
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@ -1,29 +0,0 @@
<!DOCTYPE html>
<!-- xlsx.js (C) 2013-present SheetJS http://sheetjs.com -->
<!-- vim: set ts=2: -->
<html lang="en" style="height: 100%">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS React Demo</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script crossorigin src="https://unpkg.com/react@17/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js"></script>
<script src="node_modules/xlsx/dist/shim.min.js"></script>
<script src="node_modules/xlsx/dist/xlsx.full.min.js"></script>
<style>body, #app { height: 100%; };</style>
</head>
<body>
<div class="container-fluid">
<h1><a href="http://sheetjs.com">SheetJS React Demo</a></h1>
<br />
<a href="https://github.com/SheetJS/js-xlsx">Source Code Repo</a><br />
<a href="https://github.com/SheetJS/js-xlsx/issues">Issues? Something look weird? Click here and report an issue</a><br /><br />
</div>
<div id="app" class="container-fluid"></div>
<script type="text/babel" src="sheetjs.js"></script>
<script type="text/babel">
ReactDOM.render( <SheetJSApp />, document.getElementById('app') );
</script>
</body>
</html>

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@ -1,23 +0,0 @@
# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*

10
demos/react/modify/README.md
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@ -1,10 +0,0 @@
# react-modify
This demo shows import and export with the `react-data-grid` table component.
In the project directory, you can run:
```bash
$ npm install
$ npm start
```

36
demos/react/modify/package.json
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@ -1,36 +0,0 @@
{
"name": "react-modify-demo",
"dependencies": {
"@types/react": "^17.0.0",
"@types/react-dom": "^17.0.0",
"react": "^17.0.2",
"react-data-grid": "^7.0.0-beta.11",
"react-dom": "^17.0.2",
"react-scripts": "4.0.3",
"typescript": "^4.1.2",
"xlsx": "https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

43
demos/react/modify/public/index.html
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@ -1,43 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta
name="description"
content="Web site created using create-react-app"
/>
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

107
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@ -1,107 +0,0 @@
import React, { useState, ChangeEvent } from "react";
import DataGrid, { TextEditor } from "react-data-grid";
import { read, utils, WorkSheet, writeFile } from "xlsx";
import "../styles/App.css";
type Row = any[]; /*{
[index: string]: string | number;
};*/
type Column = {
key: string;
name: string;
editor: typeof TextEditor;
};
type DataSet = {
[index: string]: WorkSheet;
};
function getRowsCols(
data: DataSet,
sheetName: string
): {
rows: Row[];
columns: Column[];
} {
const rows: Row[] = utils.sheet_to_json(data[sheetName], {header:1});
let columns: Column[] = [];
for (let row of rows) {
const keys: string[] = Object.keys(row);
if (keys.length > columns.length) {
columns = keys.map((key) => {
return { key, name: utils.encode_col(+key), editor: TextEditor };
});
}
}
return { rows, columns };
}
export default function App() {
const [rows, setRows] = useState<Row[]>([]);
const [columns, setColumns] = useState<Column[]>([]);
const [workBook, setWorkBook] = useState<DataSet>({} as DataSet);
const [sheets, setSheets] = useState<string[]>([]);
const [current, setCurrent] = useState<string>("");
const exportTypes = ["xlsx", "xlsb", "csv", "html"];
function selectSheet(name: string, reset = true) {
if(reset) workBook[current] = utils.json_to_sheet(rows, {
header: columns.map((col: Column) => col.key),
skipHeader: true
});
const { rows: new_rows, columns: new_columns } = getRowsCols(workBook, name);
setRows(new_rows);
setColumns(new_columns);
setCurrent(name);
}
async function handleFile(ev: ChangeEvent<HTMLInputElement>): Promise<void> {
const file = await ev.target.files?.[0]?.arrayBuffer();
const data = read(file);
setWorkBook(data.Sheets);
setSheets(data.SheetNames);
}
function saveFile(ext: string): void {
const wb = utils.book_new();
sheets.forEach((n) => {
utils.book_append_sheet(wb, workBook[n], n);
});
writeFile(wb, "sheet." + ext);
}
return (
<>
<input type="file" onChange={handleFile} />
<div className="flex-cont">
{sheets.map((sheet) => (
<button key={sheet} onClick={(e) => selectSheet(sheet)}>
{sheet}
</button>
))}
</div>
<div className="flex-cont">
<b>Current Sheet: {current}</b>
</div>
<DataGrid columns={columns} rows={rows} onRowsChange={setRows} />
<div className="flex-cont">
{exportTypes.map((ext) => (
<button key={ext} onClick={() => saveFile(ext)}>
export [.{ext}]
</button>
))}
</div>
</>
);
}

12
demos/react/modify/src/index.tsx
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@ -1,12 +0,0 @@
import React from 'react';
import ReactDOM from 'react-dom';
import App from './components/App';
import './styles/index.css';
ReactDOM.render(
<React.StrictMode>
<App/>
</React.StrictMode>,
document.getElementById('root')
);

1
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View File

@ -1 +0,0 @@
/// <reference types="react-scripts" />

14
demos/react/modify/src/styles/App.css
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@ -1,14 +0,0 @@
input {
margin: 0.5rem;
}
.flex-cont {
display: flex;
margin: 0.5rem;
justify-content: center;
}
.flex-cont button {
margin: 0.3rem;
padding: 0.2rem;
}

8
demos/react/modify/src/styles/index.css
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@ -1,8 +0,0 @@
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

26
demos/react/modify/tsconfig.json
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@ -1,26 +0,0 @@
{
"compilerOptions": {
"target": "es5",
"lib": [
"dom",
"dom.iterable",
"esnext"
],
"allowJs": true,
"skipLibCheck": true,
"esModuleInterop": true,
"allowSyntheticDefaultImports": true,
"forceConsistentCasingInFileNames": true,
"strict": true,
"noFallthroughCasesInSwitch": true,
"module": "esnext",
"moduleResolution": "node",
"resolveJsonModule": true,
"isolatedModules": true,
"noEmit": true,
"jsx": "react-jsx"
},
"include": [
"src"
]
}

3
demos/react/nexthdr.js
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@ -1,3 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
import * as XLSX from 'xlsx';
import React from 'react';

32
demos/react/pages/getServerSideProps.js
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@ -1,32 +0,0 @@
import Head from 'next/head';
import { readFile, utils } from 'xlsx';
import { join } from 'path';
import { cwd } from 'process';
export default function Index({html, type}) { return (
<div>
<Head>
<meta httpEquiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS Next.JS {type} Demo</title>
<script src="/shim.js"></script>
<style jsx>{`
body, #app { height: 100%; };
`}</style>
</Head>
<pre>
<h3>SheetJS Next.JS {type} Demo</h3>
This demo reads from /public/sheetjs.xlsx and generates HTML from the first sheet.
</pre>
<div dangerouslySetInnerHTML={{ __html: html }} />
</div>
); }
export async function getServerSideProps() {
const wb = readFile(join(cwd(), "public", "sheetjs.xlsx"))
return {
props: {
type: "getStaticProps",
html: utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]]),
},
}
}

38
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@ -1,38 +0,0 @@
import Head from 'next/head';
import Link from "next/link";
import { readFile, utils } from 'xlsx';
import { join } from 'path';
import { cwd } from 'process';
export default function Index({snames, type}) { return (
<div>
<Head>
<meta httpEquiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS Next.JS {type} Demo</title>
<script src="/shim.js"></script>
<style jsx>{`
body, #app { height: 100%; };
`}</style>
</Head>
<pre>
<h3>SheetJS Next.JS {type} Demo</h3>
This demo reads from /public/sheetjs.xlsx. Each worksheet maps to a path:<br/><br/>
{snames.map((sname, idx) => (<>
<Link key={idx} href="/sheets/[id]" as={`/sheets/${idx}`}><a>{`Sheet index=${idx} name="${sname}"`}</a></Link>
<br/>
<br/>
</>))}
</pre>
</div>
); }
export async function getStaticProps() {
const wb = readFile(join(cwd(), "public", "sheetjs.xlsx"))
return {
props: {
type: "getStaticPaths",
snames: wb.SheetNames,
},
}
}

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@ -1,32 +0,0 @@
import Head from 'next/head';
import { readFile, utils } from 'xlsx';
import { join } from 'path';
import { cwd } from 'process';
export default function Index({html, type}) { return (
<div>
<Head>
<meta httpEquiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS Next.JS {type} Demo</title>
<script src="/shim.js"></script>
<style jsx>{`
body, #app { height: 100%; };
`}</style>
</Head>
<pre>
<h3>SheetJS Next.JS {type} Demo</h3>
This demo reads from /public/sheetjs.xlsx and generates HTML from the first sheet.
</pre>
<div dangerouslySetInnerHTML={{ __html: html }} />
</div>
); }
export async function getStaticProps() {
const wb = readFile(join(cwd(), "public", "sheetjs.xlsx"))
return {
props: {
type: "getStaticProps",
html: utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]]),
},
}
}

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@ -1,24 +0,0 @@
import Head from 'next/head';
export default function Index() { return (
<div>
<Head>
<meta httpEquiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS Next.JS Demo</title>
<script src="/shim.js"></script>
<style jsx>{`
body, #app { height: 100%; };
`}</style>
</Head>
<pre>
<h3>SheetJS Next.JS Demos</h3>
All demos read from /public/sheetjs.xlsx.<br/>
<br/>
- <a href="/getStaticProps">getStaticProps</a><br/>
<br/>
- <a href="/getServerSideProps">getServerSideProps</a><br/>
<br/>
- <a href="/getStaticPaths">getStaticPaths</a><br/>
</pre>
</div>
); }

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demos/react/pages/sheets/[id].js
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@ -1,51 +0,0 @@
import Head from 'next/head';
import { readFile, utils } from 'xlsx';
import { join } from 'path';
import { cwd } from 'process';
export default function Index({html, type, name}) { return (
<div>
<Head>
<meta httpEquiv="Content-Type" content="text/html; charset=UTF-8" />
<title>SheetJS Next.JS {type} Demo</title>
<script src="/shim.js"></script>
<style jsx>{`
body, #app { height: 100%; };
`}</style>
</Head>
<pre>
<h3>SheetJS Next.JS {type} Demo</h3>
This demo reads from /public/sheetjs.xlsx.<br/>
<br/>
<b>{name}</b>
</pre>
<div dangerouslySetInnerHTML={{ __html: html }} />
</div>
); }
let cache = [];
export async function getStaticProps(ctx) {
if(!cache || !cache.length) {
const wb = readFile(join(cwd(), "public", "sheetjs.xlsx"));
cache = wb.SheetNames.map((name) => ({ name, sheet: wb.Sheets[name] }));
}
const entry = cache[ctx.params.id];
return {
props: {
type: "getStaticPaths",
name: entry.name,
id: ctx.params.id.toString(),
html: entry.sheet ? utils.sheet_to_html(entry.sheet) : "",
},
}
}
export async function getStaticPaths() {
const wb = readFile(join(cwd(), "public", "sheetjs.xlsx"));
cache = wb.SheetNames.map((name) => ({ name, sheet: wb.Sheets[name] }));
return {
paths: wb.SheetNames.map((name, idx) => ({ params: { id: idx.toString() } })),
fallback: false,
};
}

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144
demos/react/sheetjs.js
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@ -1,144 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* Notes:
- usage: `ReactDOM.render( <SheetJSApp />, document.getElementById('app') );`
- xlsx.full.min.js is loaded in the head of the HTML page
- this script should be referenced with type="text/babel"
- babel.js in-browser transpiler should be loaded before this script
*/
function SheetJSApp() {
const [data, setData] = React.useState([]);
const [cols, setCols] = React.useState([]);
const handleFile = (file) => {
const reader = new FileReader();
reader.onload = (e) => {
/* Parse data */
const ab = e.target.result;
const wb = XLSX.read(ab, {type:'array'});
/* Get first worksheet */
const wsname = wb.SheetNames[0];
const ws = wb.Sheets[wsname];
/* Convert array of arrays */
const data = XLSX.utils.sheet_to_json(ws, {header:1});
/* Update state */
setData(data);
setCols(make_cols(ws['!ref']))
};
reader.readAsArrayBuffer(file);
}
const exportFile = () => {
/* convert state to workbook */
const ws = XLSX.utils.aoa_to_sheet(data);
const wb = XLSX.utils.book_new();
XLSX.utils.book_append_sheet(wb, ws, "SheetJS");
/* generate XLSX file and send to client */
XLSX.writeFile(wb, "sheetjs.xlsx")
};
return (
<DragDropFile handleFile={handleFile}>
<div className="row"><div className="col-xs-12">
<DataInput handleFile={handleFile} />
</div></div>
<div className="row"><div className="col-xs-12">
<button disabled={!data.length} className="btn btn-success" onClick={exportFile}>Export</button>
</div></div>
<div className="row"><div className="col-xs-12">
<OutTable data={data} cols={cols} />
</div></div>
</DragDropFile>
);
}
if(typeof module !== 'undefined') module.exports = SheetJSApp
/* -------------------------------------------------------------------------- */
/*
Simple HTML5 file drag-and-drop wrapper
usage: <DragDropFile handleFile={handleFile}>...</DragDropFile>
handleFile(file:File):void;
*/
function DragDropFile({ handleFile, children }) {
const suppress = (e) => { e.stopPropagation(); e.preventDefault(); };
const handleDrop = (e) => { e.stopPropagation(); e.preventDefault();
const files = e.dataTransfer.files;
if(files && files[0]) handleFile(files[0]);
};
return (
<div
onDrop={handleDrop}
onDragEnter={suppress}
onDragOver={suppress}
>
{children}
</div>
);
}
/*
Simple HTML5 file input wrapper
usage: <DataInput handleFile={callback} />
handleFile(file:File):void;
*/
function DataInput({ handleFile }) {
const handleChange = (e) => {
const files = e.target.files;
if(files && files[0]) handleFile(files[0]);
};
return (
<form className="form-inline">
<div className="form-group">
<label htmlFor="file">Drag or choose a spreadsheet file</label>
<br />
<input
type="file"
className="form-control"
id="file"
accept={SheetJSFT}
onChange={handleChange}
/>
</div>
</form>
)
}
/*
Simple HTML Table
usage: <OutTable data={data} cols={cols} />
data:Array<Array<any> >;
cols:Array<{name:string, key:number|string}>;
*/
function OutTable({ data, cols }) {
return (
<div className="table-responsive">
<table className="table table-striped">
<thead>
<tr>{cols.map((c) => <th key={c.key}>{c.name}</th>)}</tr>
</thead>
<tbody>
{data.map((r,i) => <tr key={i}>
{cols.map(c => <td key={c.key}>{ r[c.key] }</td>)}
</tr>)}
</tbody>
</table>
</div>
);
}
/* list of supported file types */
const SheetJSFT = [
"xlsx", "xlsb", "xlsm", "xls", "xml", "csv", "txt", "ods", "fods", "uos", "sylk", "dif", "dbf", "prn", "qpw", "123", "wb*", "wq*", "html", "htm"
].map(x => `.${x}`).join(",");
/* generate an array of column objects */
const make_cols = refstr => {
let o = [], C = XLSX.utils.decode_range(refstr).e.c + 1;
for(var i = 0; i < C; ++i) o[i] = {name:XLSX.utils.encode_col(i), key:i}
return o;
};

2
demos/server/.gitignore vendored
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@ -1,2 +0,0 @@
xlsx.full.min.js
xlsx-demo

29
demos/server/Makefile
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@ -1,29 +0,0 @@
.PHONY: init
init:
mkdir -p node_modules
cd node_modules; if [ ! -e xlsx ]; then ln -s ../../../ xlsx; fi; cd -
.PHONY: request
request: init ## request demo
node _request.js
.PHONY: express
express: init ## express demo
node express.js
.PHONY: koa
koa: init ## koa demo
node koa.js
.PHONY: hapi
hapi: init ## hapi demo
cp ../../dist/xlsx.full.min.js .
node hapi.js
.PHONY: nest
nest: init ## nest demo
bash -c ./nest.sh
.PHONY: drash
drash: ## drash demo
deno run --allow-net drash.ts

207
demos/server/README.md
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@ -1,208 +1,11 @@
# NodeJS Server Deployments
This library is 100% pure JS. This is great for compatibility but tends to lock
up long-running processes. In the web browser, Web Workers are used to offload
work from the main browser thread. In NodeJS, there are other strategies. This
demo shows a few different strategies applied to different server frameworks.
[The new demo](https://docs.sheetjs.com/docs/demos/server) has a more focused
discussion with examples for popular JS server-side frameworks.
NOTE: these examples merely demonstrate the core concepts and do not include
appropriate error checking or other production-level features.
### Express Setup
The following commands are required in order to test the [Express](https://github.com/expressjs/express) demo:
```bash
npm install express printj express-formidable https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
node express.js
```
### Koa Setup
The following commands are required in order to test the [Koa](https://github.com/koajs/koa) demo:
```bash
npm install koa printj formidable https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
node koa.js
```
### Hapi Setup
**Note: Hapi demo as written only works with Hapi version 16 and below.**
The following commands are required in order to test the [Hapi](https://github.com/hapijs/hapi) demo:
```bash
npm install hapi@16.x printj tiny-worker https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
node hapi.js
```
### Node Buffer
The `read` and `write` functions can handle `Buffer` data with `type:"buffer"`.
For example, the `request` library returns data in a buffer:
```js
var XLSX = require('xlsx'), request = require('request');
request(url, {encoding: null}, function(err, res, data) {
if(err || res.statusCode !== 200) return;
/* data is a node Buffer that can be passed to XLSX.read */
var workbook = XLSX.read(data, {type:'buffer'});
/* DO SOMETHING WITH workbook HERE */
});
```
The `readFile` / `writeFile` functions wrap `fs.{read,write}FileSync`:
```js
/* equivalent to `var wb = XLSX.readFile("sheetjs.xlsx");` */
var buf = fs.readFileSync("sheetjs.xlsx");
var wb = XLSX.read(buf, {type:'buffer'});
```
### Responding to Form Uploads
Using `formidable`, files uploaded to forms are stored to temporary files that
can be read with `readFile`:
```js
/* within the server callback function(request, response) { */
var form = new formidable.IncomingForm();
form.parse(req, function(err, fields, files) {
var f = files[Object.keys(files)[0]];
var workbook = XLSX.readFile(f.path);
/* DO SOMETHING WITH workbook HERE */
});
```
The `node.js` demo shows a plain HTTP server that accepts file uploads and
converts data to requested output format.
### Example servers
Each example server is expected to hold an array-of-arrays in memory. They are
expected to handle:
- `POST / ` accepts an encoded `file` and updates the internal storage
- `GET /?t=<type>` returns the internal storage in the specified type
- `POST /?f=<name>` reads the local file and updates the internal storage
- `GET /?f=<name>` writes the file to the specified name
Testing with cURL is straightforward:
```bash
# upload sheetjs.csv and update data
curl -X POST -F "data=@sheetjs.csv" http://localhost:7262/
# download data in SYLK format
curl -X GET http://localhost:7262/?t=slk
# read sheetjs.csv from the server directory
curl -X POST http://localhost:7262/?f=sheetjs.csv
# write sheetjs.xlsb in the XLSB format
curl -X GET http://localhost:7262/?f=sheetjs.xlsb
```
## Main-process logic with express
The most straightforward approach is to handle the data directly in HTTP event
handlers. The `buffer` type for `XLSX.read` and `XLSX.write` work with `http`
module and with express directly. The following snippet generates a workbook
based on an array of arrays and sends it to the client:
```js
function send_aoa_to_client(req, res, data, bookType) {
/* generate workbook */
var ws = XLSX.utils.aoa_to_sheet(data);
var wb = XLSX.utils.book_new();
XLSX.utils.book_append_sheet(wb, ws, "SheetJS");
/* generate buffer */
var buf = XLSX.write(wb, {type:'buffer', bookType:bookType || "xlsx"});
/* send to client */
res.status(200).send(buf);
}
```
## fork with koa
`child_process.fork` provides a light-weight and customizable way to offload
work from the main server process. This demo passes commands to a custom child
process and the child passes back buffers of data.
The main server script is `koa.js` and the worker script is `koasub.js`. State
is maintained in the worker script.
## tiny-worker with hapi
`tiny-worker` provides a Web Worker-like interface. Binary strings and simple
objects are readily passed across the Worker divide.
The main server script is `hapi.js` and the worker script is `worker.js`. State
is maintained in the server script.
Note: due to an issue with hapi payload parsing, the route `POST /file` is used
to handle the case of reading from file, so the cURL test is:
```bash
# upload sheetjs.csv and update data
curl -X POST -F "data=@sheetjs.csv" http://localhost:7262/
# download data in SYLK format
curl -X GET http://localhost:7262/?t=slk
# read sheetjs.csv from the server directory
curl -X POST http://localhost:7262/file?f=sheetjs.csv
# write sheetjs.xlsb in the XLSB format
curl -X GET http://localhost:7262/?f=sheetjs.xlsb
```
## NestJS
[NestJS](https://nestjs.com/) is a Node.js framework for server-side web applications.
This demo uses SheetJS to parse a spreadsheet via a POST API endpoint. The file
arrives to the endpoint as body `form-data`, accessible using the `file` key.
After parsing the file, CSV contents of the first worksheet will be returned.
[Body parsing uses `multer`](https://docs.nestjs.com/techniques/file-upload).
Before running the demo, the NestJS CLI tool must be installed. The instruction
is described in the NestJS ["First Steps"](https://docs.nestjs.com/first-steps):
```bash
npm i -g @nestjs/cli
make nest
```
The demo can be tested using the `/sheetjs/upload-xlsx-file` endpoint:
```bash
curl -X POST -F "file=@test.xlsx" http://localhost:3000/sheetjs/upload-xlsx-file
```
The included [`nest.sh`](./nest.sh) script creates and configures the project.
This demo creates a module and a controller. The controller handles the actual
requests (creating the endpoint) while the module is used to configure `multer`.
## Deno
[`Drash`](https://drash.land/drash/) is a Deno framework for Deno's HTTP server.
The `drash.ts` demo responds to POST requests and responds with HTML previews.
<https://s2c.deno.dev> is a live deployment of the service.
Cloud services are covered in separate demos:
- [AWS](https://docs.sheetjs.com/docs/demos/aws)
- [Azure](https://docs.sheetjs.com/docs/demos/azure)
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-xlsx?pixel)](https://github.com/SheetJS/js-xlsx)

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@ -1,4 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
var cors = function(req, res) { res.header('Access-Control-Allow-Origin', '*'); };
cors.mw = function(req, res, next) { cors(req, res); next(); };
module.exports = cors;

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@ -1,7 +0,0 @@
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
var sprintf = require('printj').sprintf;
var logit = function(req, res) {
console.log(sprintf("%s %s %d", req.method, req.url, res.statusCode));
};
logit.mw = function(req, res, next) { logit(req, res); next(); }
module.exports = logit;

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