meteor example [ci skip]
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README.md
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README.md
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@ -169,6 +169,7 @@ The `demos` directory includes sample projects for:
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- [`angular`](demos/angular/)
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- [`browserify`](demos/browserify/)
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- [`Adobe ExtendScript`](demos/extendscript/)
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- [`meteor`](demos/meteor/)
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- [`phantomjs`](demos/phantomjs/)
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- [`requirejs`](demos/requirejs/)
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- [`systemjs`](demos/systemjs/)
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@ -176,6 +177,9 @@ The `demos` directory includes sample projects for:
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### Optional Modules
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<details>
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<summary><b>Optional features</b> (click to show)</summary>
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The node version automatically requires modules for additional features. Some
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of these modules are rather large in size and are only needed in special
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circumstances, so they do not ship with the core. For browser use, they must
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@ -200,6 +204,7 @@ be configured to remove support with `resolve.alias`:
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}
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```
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</details>
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### ECMAScript 5 Compatibility
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@ -431,6 +436,9 @@ the buffering for you.
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The full object format is described later in this README.
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<details>
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<summary><b>Reading a specific cell </b> (click to show)</summary>
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This example extracts the value stored in cell A1 from the first worksheet:
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```js
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@ -447,6 +455,35 @@ var desired_cell = worksheet[address_of_cell];
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var desired_value = (desired_cell ? desired_cell.v : undefined);
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```
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</details>
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<details>
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<summary><b>Adding a new worksheet to a workbook</b> (click to show)</summary>
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This example uses [`XLSX.utils.aoa_to_sheet`](#array-of-arrays-input) to make a
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worksheet and appends the new worksheet to the workbook:
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```js
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var new_ws_name = "SheetJS";
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/* make worksheet */
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var ws_data = [
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[ "S", "h", "e", "e", "t", "J", "S" ],
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[ 1 , 2 , 3 , 4 , 5 ]
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];
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var ws = XLSX.utils.aoa_to_sheet(ws_data);
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/* Add the sheet name to the list */
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wb.SheetNames.push(ws_name);
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/* Load the worksheet object */
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wb.Sheets[ws_name] = ws;
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```
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</details>
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### Complete Examples
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- <https://github.com/SheetJS/js-xlsx/blob/master/bin/xlsx.njs> node
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@ -0,0 +1 @@
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.meteor
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@ -0,0 +1,9 @@
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.PHONY: start
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start:
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@meteor
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.PHONY: init
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init:
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@npm install babel-runtime meteor-node-stubs
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@meteor add pfafman:filesaver
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@mkdir -p node_modules; cd node_modules; ln -s ../../../ xlsx; cd -
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@ -0,0 +1,38 @@
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# Meteor
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This library is universal: outside of environment-specific features (parsing DOM
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tables in the browser, streaming write in nodejs), the core is ES3/ES5 and can
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be used in any reasonably compliant JS implementation. It should play nice with
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meteor out of the box.
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## This demonstration
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You can split the work between the client and server side as you see fit. The
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obvious extremes of pure-client code and pure-server code are straightforward.
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This demo tries to split the work to demonstrate that the workbook object can be
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passed on the wire.
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The read demo:
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- accepts files from the client side
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- sends binary string to server
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- processes data on server side
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- sends workbook object to client
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- renders HTML and adds to a DOM element
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The write demo:
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- generates workbook on server side
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- sends workbook object to client
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- generates file on client side
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- triggers a download.
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## Environment-specific features
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File-related operations (e.g. `XLSX.readFile` and `XLSX.writeFile`) will not be
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available in client-side code. If you need to read a local file from the client,
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use a file input or drag-and-drop.
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Browser-specific operations (e.g. `XLSX.utils.table_to_book`) are limited to
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client side code. You should never have to read from DOM elements on the server
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side, but you can use a third-party virtual DOM to provide the required API.
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@ -0,0 +1,2 @@
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/* CSS declarations go here */
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a { text-decoration: none }
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<head>
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<title>meteor-xlsx</title>
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</head>
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<body>
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<pre>
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<b><a href="//sheetjs.com">SheetJS Meteor Demo</a></b>
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<b>Meteor Read Demo</b>
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{{> read}}
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<b>Meteor Write Demo</b>
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{{> write}}
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</pre>
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</body>
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<template name="read">
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<label for="upload">Parse File: </label><input type="file" id="upload" />
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<div id="out"></div>
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</template>
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<template name="write">
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<label for="dnload">Write File: </label><button id="dnload">Generate Worksheet</button>
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</template>
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import { Template } from 'meteor/templating';
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import { ReactiveVar } from 'meteor/reactive-var';
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import './main.html';
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const XLSX = require('xlsx');
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Template.read.events({
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'change input' (evt, instance) {
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/* "Browser file upload form element" from SheetJS README */
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const file = evt.currentTarget.files[0];
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const reader = new FileReader();
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reader.onload = function(e) {
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const data = e.target.result;
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const name = file.name;
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/* Meteor magic */
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Meteor.call('upload', data, name, function(err, wb) {
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if(err) console.error(err);
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else {
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/* do something here -- this just dumps an array of arrays to console */
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console.log(XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]], {header:1}));
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document.getElementById('out').innerHTML = (XLSX.utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]]));
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}
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});
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};
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reader.readAsBinaryString(file);
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},
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});
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Template.write.events({
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'click button' (evt, instance) {
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Meteor.call('download', function(err, wb) {
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if(err) console.error(err);
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else {
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console.log(wb);
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/* "Browser download file" from SheetJS README */
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var wopts = { bookType:'xlsx', bookSST:false, type:'binary' };
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var wbout = XLSX.write(wb, wopts);
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saveAs(new Blob([s2ab(wbout)],{type:"application/octet-stream"}), "meteor.xlsx");
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}
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});
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},
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});
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function s2ab(s) {
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var buf = new ArrayBuffer(s.length);
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var view = new Uint8Array(buf);
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for (var i=0; i!=s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
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return buf;
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}
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{
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"name": "meteor-xlsx",
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"private": true,
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"scripts": {
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"start": "meteor run"
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},
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"dependencies": {
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"babel-runtime": "^6.20.0",
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"meteor-node-stubs": "~0.2.4"
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}
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}
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import { Meteor } from 'meteor/meteor';
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const XLSX = require('xlsx');
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Meteor.methods({
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upload: (bstr, name) => {
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/* read the data and return the workbook object to the frontend */
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return XLSX.read(bstr, {type:'binary'});
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},
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download: () => {
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/* generate a workbook object and return to the frontend */
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const data = [
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["a", "b", "c"],
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[ 1 , 2 , 3 ]
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];
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const ws = XLSX.utils.aoa_to_sheet(data);
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const wb = {SheetNames: ["Sheet1"], Sheets:{Sheet1:ws }};
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return wb;
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}
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});
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Meteor.startup(() => { });
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@ -28,6 +28,7 @@ The `demos` directory includes sample projects for:
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- [`angular`](demos/angular/)
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- [`browserify`](demos/browserify/)
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- [`Adobe ExtendScript`](demos/extendscript/)
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- [`meteor`](demos/meteor/)
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- [`phantomjs`](demos/phantomjs/)
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- [`requirejs`](demos/requirejs/)
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- [`systemjs`](demos/systemjs/)
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@ -35,6 +36,9 @@ The `demos` directory includes sample projects for:
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### Optional Modules
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<details>
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<summary><b>Optional features</b> (click to show)</summary>
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The node version automatically requires modules for additional features. Some
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of these modules are rather large in size and are only needed in special
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circumstances, so they do not ship with the core. For browser use, they must
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@ -59,6 +63,7 @@ be configured to remove support with `resolve.alias`:
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}
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```
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</details>
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### ECMAScript 5 Compatibility
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@ -2,6 +2,9 @@
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The full object format is described later in this README.
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<details>
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<summary><b>Reading a specific cell </b> (click to show)</summary>
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This example extracts the value stored in cell A1 from the first worksheet:
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```js
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@ -18,6 +21,35 @@ var desired_cell = worksheet[address_of_cell];
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var desired_value = (desired_cell ? desired_cell.v : undefined);
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```
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</details>
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<details>
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<summary><b>Adding a new worksheet to a workbook</b> (click to show)</summary>
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This example uses [`XLSX.utils.aoa_to_sheet`](#array-of-arrays-input) to make a
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worksheet and appends the new worksheet to the workbook:
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```js
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var new_ws_name = "SheetJS";
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/* make worksheet */
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var ws_data = [
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[ "S", "h", "e", "e", "t", "J", "S" ],
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[ 1 , 2 , 3 , 4 , 5 ]
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];
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var ws = XLSX.utils.aoa_to_sheet(ws_data);
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/* Add the sheet name to the list */
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wb.SheetNames.push(ws_name);
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/* Load the worksheet object */
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wb.Sheets[ws_name] = ws;
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```
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</details>
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### Complete Examples
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- <https://github.com/SheetJS/js-xlsx/blob/master/bin/xlsx.njs> node
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