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Merge pull request #88 from jmaister/filter-rows-columns
Filter rows and columns
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,5 @@ | ||
| /** | ||
| * ExcellentExport 3.0.0 | ||
| * ExcellentExport 3.2.1 | ||
| * A client side Javascript export to Excel. | ||
| * | ||
| * @author: Jordi Burgos ([email protected]) | ||
|
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@@ -48,22 +48,36 @@ const ExcellentExport = function() { | |
| const template = {excel: '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><meta name=ProgId content=Excel.Sheet> <meta name=Generator content="Microsoft Excel 11"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>'}; | ||
| let csvDelimiter = ","; | ||
| let csvNewLine = "\r\n"; | ||
| /** | ||
| * Convert a string to Base64. | ||
| * | ||
| * @param {string} s | ||
| */ | ||
| const base64 = function(s) { | ||
| return window.btoa(unescape(encodeURIComponent(s))); | ||
| }; | ||
|
|
||
| const format = function(s, c) { | ||
| return s.replace(new RegExp("{(\\w+)}", "g"), function(m, p) { | ||
| return c[p]; | ||
| }); | ||
| }; | ||
|
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|
|
||
| /** | ||
| * Get element by ID. | ||
| * @param {*} element | ||
| */ | ||
| const get = function(element) { | ||
| if (!element.nodeType) { | ||
| return document.getElementById(element); | ||
| } | ||
| return element; | ||
| }; | ||
|
|
||
| /** | ||
| * Encode a value for CSV. | ||
| * @param {*} value | ||
| */ | ||
| const fixCSVField = function(value) { | ||
| let fixedValue = value; | ||
| const addQuotes = (value.indexOf(csvDelimiter) !== -1) || (value.indexOf('\r') !== -1) || (value.indexOf('\n') !== -1); | ||
|
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@@ -137,13 +151,16 @@ const ExcellentExport = function() { | |
| } | ||
| }; | ||
|
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||
| const removeColumn = function(arr2d, colIndex) { | ||
| for (var i = 0; i < arr2d.length; i++) { | ||
| var row = arr2d[i]; | ||
| row.splice(colIndex, 1); | ||
| } | ||
| }; | ||
|
|
||
| /* | ||
| ExcellentExport.convert(options, sheets); | ||
| ExcellentExport.convert({...}, [ | ||
| {...}, {...}, | ||
| ]); | ||
| Options: | ||
| { | ||
| anchor: String/Element, | ||
|
|
@@ -158,13 +175,11 @@ const ExcellentExport = function() { | |
| table: String/Element, // Table ID or table element | ||
| array: [...], // Array with data | ||
| arrayHasHeader: true, // Array first row is the header | ||
| filter: function(row, col, data) {} | ||
| removeColumns: [...], // Array of column indexes (from 0) | ||
| filterRowFn: function(row) {return true} | ||
| }, | ||
| ... | ||
| } | ||
| https://github.com/SheetJS/js-xlsx#utility-functions | ||
| */ | ||
| const convert = function(options, sheets) { | ||
| let workbook = { | ||
|
|
@@ -179,22 +194,42 @@ const ExcellentExport = function() { | |
| throw new Error("'csv' format only supports one sheet"); | ||
| } | ||
|
|
||
| sheets.forEach((sheetConf) => { | ||
| sheets.forEach((sheetConf, index) => { | ||
| const name = sheetConf.name; | ||
| if (!name) { | ||
| throw new Error('Sheets must have "name".'); | ||
| throw new Error('Sheet ' + index + ' must have the property "name".'); | ||
| } | ||
|
|
||
| // Select data source | ||
| let worksheet = null; | ||
| let dataArray; | ||
| if (sheetConf.from && sheetConf.from.table) { | ||
| const dataArray = tableToArray(get(sheetConf.from.table)); | ||
| worksheet = XLSX.utils.aoa_to_sheet(dataArray, {sheet: name}); | ||
| dataArray = tableToArray(get(sheetConf.from.table)); | ||
| } else if(sheetConf.from && sheetConf.from.array) { | ||
| worksheet = XLSX.utils.aoa_to_sheet(sheetConf.from.array, {sheet: name}); | ||
| dataArray = sheetConf.from.array | ||
| } else { | ||
| throw new Error('No data for sheet: [' + name + ']'); | ||
| } | ||
|
|
||
| // Filter data | ||
| console.log("conf", sheetConf); | ||
| if (sheetConf.filterRowFn) { | ||
| if (sheetConf.filterRowFn instanceof Function) { | ||
| dataArray = dataArray.filter(sheetConf.filterRowFn); | ||
| } else { | ||
| throw new Error('Parameter "filterRowFn" must be a function.'); | ||
| } | ||
| } | ||
| if (sheetConf.removeColumns) { | ||
| const toRemove = sheetConf.removeColumns.sort().reverse(); | ||
| toRemove.forEach(index => { | ||
| removeColumn(dataArray, index); | ||
| }); | ||
| } | ||
|
|
||
| // Create sheet | ||
| workbook.SheetNames.push(name); | ||
| worksheet = XLSX.utils.aoa_to_sheet(dataArray, {sheet: name}); | ||
| workbook.Sheets[name] = worksheet; | ||
| }); | ||
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