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sheetjs
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demos avoid readAsBinaryString [ci skip]

This commit is contained in:
Jimmy Wärting 2021-09-20 09:37:16 +02:00
parent 37624cf990
commit 82d0faa183
8 changed files with 15 additions and 43 deletions
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5
demos/meteor/client/main.js
View File

@ -11,12 +11,11 @@ Template.sheetjs.events({
/* "Browser file upload form element" from SheetJS README */
const file = event.currentTarget.files[0];
const reader = new FileReader();
const rABS = !!reader.readAsBinaryString;
reader.onload = function(e) {
const data = e.target.result;
const name = file.name;
/* Meteor magic */
Meteor.call(rABS ? 'uploadS' : 'uploadU', rABS ? data : new Uint8Array(data), name, function(err, wb) {
Meteor.call('uploadU', new Uint8Array(data), name, function(err, wb) {
if (err) throw err;
/* load the first worksheet */
const ws = wb.Sheets[wb.SheetNames[0]];
@ -26,7 +25,7 @@ Template.sheetjs.events({
document.getElementById('dnload').disabled = false;
});
};
if(rABS) reader.readAsBinaryString(file); else reader.readAsArrayBuffer(file);
reader.readAsArrayBuffer(file);
},
'click button' () {
const html = document.getElementById('out').innerHTML;

5
demos/meteor/server/main.js
View File

@ -5,11 +5,6 @@ import XLSX from 'xlsx';
Meteor.methods({
/* read the data and return the workbook object to the frontend */
uploadS: (bstr, name) => {
check(bstr, String);
check(name, String);
return XLSX.read(bstr, { type: 'binary' });
},
uploadU: (ab, name) => {
check(ab, Uint8Array);
check(name, String);

2
demos/parcel/index.html
View File

@ -39,8 +39,6 @@ Output Format: <select name="format" onchange="setfmt()">
<textarea id="b64data">... or paste a base64-encoding here</textarea>
<input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/><br />
<b>Advanced Demo Options:</b>
Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked>
</pre>
<pre id="out"></pre>
<div id="htmlout"></div>

14
demos/parcel/index.js
View File

@ -88,22 +88,16 @@ var b64it = window.b64it = (function() {
})();
var do_file = (function() {
var rABS = typeof FileReader !== "undefined" && (FileReader.prototype||{}).readAsBinaryString;
var domrabs = document.getElementsByName("userabs")[0];
if(!rABS) domrabs.disabled = !(domrabs.checked = false);
return function do_file(files) {
rABS = domrabs.checked;
var f = files[0];
var reader = new FileReader();
reader.onload = function(e) {
if(typeof console !== 'undefined') console.log("onload", new Date(), rABS);
if(typeof console !== 'undefined') console.log("onload", new Date());
var data = e.target.result;
if(!rABS) data = new Uint8Array(data);
process_wb(X.read(data, {type: rABS ? 'binary' : 'array'}));
data = new Uint8Array(data);
process_wb(X.read(data, {type: 'array'}));
};
if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
reader.readAsArrayBuffer(f);
};
})();

16
demos/rollup/app.js
View File

@ -88,10 +88,6 @@ var b64it = window.b64it = (function() {
})();
var do_file = (function() {
var rABS = typeof FileReader !== "undefined" && (FileReader.prototype||{}).readAsBinaryString;
var domrabs = document.getElementsByName("userabs")[0];
if(!rABS) domrabs.disabled = !(domrabs.checked = false);
var use_worker = typeof Worker !== 'undefined';
var domwork = document.getElementsByName("useworker")[0];
if(!use_worker) domwork.disabled = !(domwork.checked = false);
@ -105,23 +101,21 @@ var do_file = (function() {
case XW.msg: cb(JSON.parse(e.data.d)); break;
}
};
worker.postMessage({d:data,b:rABS?'binary':'array'});
worker.postMessage({d:data,b:'array'});
};
return function do_file(files) {
rABS = domrabs.checked;
use_worker = domwork.checked;
var f = files[0];
var reader = new FileReader();
reader.onload = function(e) {
if(typeof console !== 'undefined') console.log("onload", new Date(), rABS, use_worker);
if(typeof console !== 'undefined') console.log("onload", new Date(), use_worker);
var data = e.target.result;
if(!rABS) data = new Uint8Array(data);
data = new Uint8Array(data);
if(use_worker) xw(data, process_wb);
else process_wb(X.read(data, {type: rABS ? 'binary' : 'array'}));
else process_wb(X.read(data, {type: 'array'}));
};
if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
reader.readAsArrayBuffer(f);
};
})();

1
demos/rollup/rollup.html
View File

@ -41,7 +41,6 @@ Output Format: <select name="format" onchange="setfmt()">
<input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/><br />
<b>Advanced Demo Options:</b>
Use Web Workers: (when available) <input type="checkbox" name="useworker" checked>
Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked>
</pre>
<pre id="out"></pre>
<div id="htmlout"></div>

14
demos/systemjs/main.js
View File

@ -88,22 +88,16 @@ var b64it = window.b64it = (function() {
})();
var do_file = (function() {
var rABS = typeof FileReader !== "undefined" && (FileReader.prototype||{}).readAsBinaryString;
var domrabs = document.getElementsByName("userabs")[0];
if(!rABS) domrabs.disabled = !(domrabs.checked = false);
return function do_file(files) {
rABS = domrabs.checked;
var f = files[0];
var reader = new FileReader();
reader.onload = function(e) {
if(typeof console !== 'undefined') console.log("onload", new Date(), rABS);
if(typeof console !== 'undefined') console.log("onload", new Date());
var data = e.target.result;
if(!rABS) data = new Uint8Array(data);
process_wb(X.read(data, {type: rABS ? 'binary' : 'array'}));
data = new Uint8Array(data);
process_wb(X.read(data, {type: 'array'}));
};
if(rABS) reader.readAsBinaryString(f);
else reader.readAsArrayBuffer(f);
reader.readAsArrayBuffer(f);
};
})();

1
demos/systemjs/systemjs.html
View File

@ -40,7 +40,6 @@ Output Format: <select name="format" onchange="setfmt()">
<textarea id="b64data">... or paste a base64-encoding here</textarea>
<input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/><br />
<b>Advanced Demo Options:</b>
Use readAsBinaryString: (when available) <input type="checkbox" name="userabs" checked>
</pre>
<pre id="out"></pre>
<div id="htmlout"></div>