add xlsx importer

dist/js/tabulator_esm.js

@@ -5078,7 +5078,7 @@ function pdf(list, options = {}, setFileContents){
 	setFileContents(doc.output("arraybuffer"), "application/pdf");
 }
 
-function xlsx(list, options, setFileContents){
+function xlsx$1(list, options, setFileContents){
 	var self = this,
 	sheetName = options.sheetName || "Sheet1",
 	workbook = XLSX.utils.book_new(),
@@ -5223,7 +5223,7 @@ var defaultDownloaders = {
 	json:json$1,
 	jsonLines:jsonLines,
 	pdf:pdf,
-	xlsx:xlsx,
+	xlsx:xlsx$1,
 	html:html$1,
 };
 
@@ -13258,10 +13258,18 @@ function array$1 (input){
 	return input;
 }
 
+function xlsx(input, floop){
+	var workbook2 = XLSX.read(input);
+	var sheet = workbook2.Sheets[workbook2.SheetNames[0]];
+
+	return XLSX.utils.sheet_to_json(sheet, {});
+}
+
 var defaultImporters = {
 	csv:csv,
 	json:json,
 	array:array$1,
+	xlsx:xlsx,
 };
 
 class Import extends Module{
@@ -13320,11 +13328,11 @@ class Import extends Module{
 		return importer;
 	}
 
-	importFromFile(importFormat, extension){
+	importFromFile(importFormat, extension, importReader){
 		var importer = this.lookupImporter(importFormat);
 
 		if(importer){
-			return this.pickFile(extension)
+			return this.pickFile(extension, importReader)
 				.then(this.importData.bind(this, importer))
 				.then(this.structureData.bind(this))
 				.then(this.setData.bind(this))
@@ -13335,7 +13343,7 @@ class Import extends Module{
 		}
 	}
 
-	pickFile(extensions){
+	pickFile(extensions, importReader){
 		return new Promise((resolve, reject) => {
 			var input = document.createElement("input");
 			input.type = "file";
@@ -13345,7 +13353,7 @@ class Import extends Module{
 				var file = input.files[0],
 				reader = new FileReader();
 
-				switch(this.table.options.importReader){
+				switch(importReader || this.table.options.importReader){
 					case "buffer":
 						reader.readAsArrayBuffer(file);
 						break;

src/js/modules/Import/Import.js

@@ -58,11 +58,11 @@ export default class Import extends Module{
 		return importer;
 	}
 
-	importFromFile(importFormat, extension){
+	importFromFile(importFormat, extension, importReader){
 		var importer = this.lookupImporter(importFormat);
 
 		if(importer){
-			return this.pickFile(extension)
+			return this.pickFile(extension, importReader)
 				.then(this.importData.bind(this, importer))
 				.then(this.structureData.bind(this))
 				.then(this.setData.bind(this))
@@ -73,7 +73,7 @@ export default class Import extends Module{
 		}
 	}
 
-	pickFile(extensions){
+	pickFile(extensions, importReader){
 		return new Promise((resolve, reject) => {
 			var input = document.createElement("input");
 			input.type = "file";
@@ -83,7 +83,7 @@ export default class Import extends Module{
 				var file = input.files[0],
 				reader = new FileReader();
 
-				switch(this.table.options.importReader){
+				switch(importReader || this.table.options.importReader){
 					case "buffer":
 						reader.readAsArrayBuffer(file);
 						break;

src/js/modules/Import/defaults/importers.js

@@ -1,9 +1,11 @@
 import csv from './importers/csv.js';
 import json from './importers/json.js';
 import array from './importers/array.js';
+import xlsx from './importers/xlsx.js';
 
 export default {
 	csv:csv,
 	json:json,
 	array:array,
+	xlsx:xlsx,
 };

src/js/modules/Import/defaults/importers/xlsx.js

@@ -0,0 +1,6 @@
+export default function(input, floop){
+	var workbook2 = XLSX.read(input);
+	var sheet = workbook2.Sheets[workbook2.SheetNames[0]];
+
+	return XLSX.utils.sheet_to_json(sheet, {});
+}