ts-export-to-csv

<!doctype html> <html lang="en"> <head> <title>Code coverage report for export-to-csv\export-to-csv.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">export-to-csv/</a> export-to-csv.ts </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 88.89% Statements 120/135 </div> <div class='fl pad1y space-right2'> 61.43% Branches 43/70 </div> <div class='fl pad1y space-right2'> 81.25% Functions 13/16 </div> <div class='fl pad1y space-right2'> 88.37% Lines 114/129 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287</td><td class="line-coverage quiet">                              2×   1×   2×   1× 1×   1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1×   1×   1×                         1×         11×   1×               1× 11×   11×   11×                       13×     11×   11×   11× 11×     11×       11× 11× 11×   11×             11× 9×         2× 2× 2×   2×       2× 2× 2× 2×   2× 2×   2× 2× 2×             11× 11× 6×     5×   5× 5× 7× 8×   7× 7× 7×             1× 11×     11× 11×   11× 11× 11× 55×     11× 11×           1× 11× 11× 33× 33× 165× 165×     33× 33×             1×   173×       173×       173× 74× 74× 74×   74×     99× 33×   66×           1×                     1× 11×   11×   1×   1× 1×           1× 11×     11×             33× 11× 11× 11×   11× 22×   22× 162× 162×       22× 22× 22×             11×    </td><td class="text"><pre class="prettyprint lang-js">export interface Options { filename?: string; fieldSeparator?: string; quoteStrings?: string; decimalSeparator?: string; showLabels?: boolean; showTitle?: boolean; title?: string; useTextFile?: boolean, useBom?: boolean; additionalHeaders?: Header[]; columnHeaders?: string[]; useKeysAsHeaders?: boolean; }   export class Header{ columns: string[]; }   export class CsvConfigConsts {   public static EOL = "\r\n"; public static BOM = "\ufeff";   public static DEFAULT_FIELD_SEPARATOR = ','; public static DEFAULT_DECIMAL_SEPARATOR = '.'; public static DEFAULT_QUOTE = '"'; public static DEFAULT_SHOW_TITLE = false; public static DEFAULT_TITLE = 'My Generated Report'; public static DEFAULT_FILENAME = 'generated'; public static DEFAULT_SHOW_LABELS = false; public static DEFAULT_USE_TEXT_FILE= false; public static DEFAULT_USE_BOM = true; public static DEFAULT_HEADER: string[] = []; public static DEFAULT_KEYS_AS_HEADERS = false;   }   export const ConfigDefaults: Options = { filename: CsvConfigConsts.DEFAULT_FILENAME, fieldSeparator: CsvConfigConsts.DEFAULT_FIELD_SEPARATOR, quoteStrings: CsvConfigConsts.DEFAULT_QUOTE, decimalSeparator: CsvConfigConsts.DEFAULT_DECIMAL_SEPARATOR, showLabels: CsvConfigConsts.DEFAULT_SHOW_LABELS, showTitle: CsvConfigConsts.DEFAULT_SHOW_TITLE, title: CsvConfigConsts.DEFAULT_TITLE, useTextFile: CsvConfigConsts.DEFAULT_USE_TEXT_FILE, useBom: CsvConfigConsts.DEFAULT_USE_BOM, columnHeaders: CsvConfigConsts.DEFAULT_HEADER, useKeysAsHeaders: CsvConfigConsts.DEFAULT_KEYS_AS_HEADERS, }; export class ExportToCsv {     private _data: any[]; private _options: Options; private _csv = "";   get options(): Options { return this._options; }   set options(options: Options) { this._options = objectAssign({}, ConfigDefaults, options); }   constructor(options?: Options) { let config = options || {};   this._options = objectAssign({}, ConfigDefaults, config);   Iif ( this._options.useKeysAsHeaders && this._options.columnHeaders && this._options.columnHeaders.length > 0 ) { console.warn('Option to use object keys as headers was set, but headers were still passed!'); }   } /** * Generate and Download Csv */ generateCsv(jsonData: any, shouldReturnCsv: boolean = false): void | any {   // Make sure to reset csv data on each run this._csv = '';   this._parseData(jsonData);   Eif (this._options.useBom) { this._csv += CsvConfigConsts.BOM; }   Iif (this._options.showTitle) { this._csv += this._options.title + '\r\n\n'; }   this._getHeaders(); this._getColumnHeaders(); this._getBody();   Iif (this._csv == '') { console.log("Invalid data"); return; }   // When the consumer asks for the data, exit the function // by returning the CSV data built at this point if (shouldReturnCsv) { return this._csv; }   // Create CSV blob to download if requesting in the browser and the // consumer doesn't set the shouldReturnCsv param const FileType = this._options.useTextFile ? 'plain' : 'csv'; const fileExtension = this._options.useTextFile ? '.txt' : '.csv'; let blob = new Blob([this._csv], { "type": "text/" + FileType + ";charset=utf8;" });   Iif (navigator.msSaveBlob) { let filename = this._options.filename.replace(/ /g, "_") + fileExtension; navigator.msSaveBlob(blob, filename); } else { const attachmentType = this._options.useTextFile ? 'text' : 'csv'; let uri = 'data:attachment/'+ attachmentType +';charset=utf-8,' + encodeURI(this._csv); let link = document.createElement("a"); link.href = URL.createObjectURL(blob);   link.setAttribute('visibility', 'hidden'); link.download = this._options.filename.replace(/ /g, "_") + fileExtension;   document.body.appendChild(link); link.click(); document.body.removeChild(link); } }   /** * Create CSV Headers */ private _getHeaders(): void { if (!this._options.additionalHeaders) { return; }   let headers = this._options.additionalHeaders;   let row = ""; for (let keyPos = 0; keyPos < headers.length; keyPos++) { headers[keyPos].columns.forEach(header => { row += this._formatData(header) + this._options.fieldSeparator; }); row = row.slice(0, -1); this._csv += row + CsvConfigConsts.EOL; row = ""; } }   /** * Create Column Headers */ private _getColumnHeaders(): void { Iif (!this._options.showLabels && !this._options.useKeysAsHeaders) { return; } const useKeysAsHeaders = this._options.useKeysAsHeaders; const headers = useKeysAsHeaders ? Object.keys(this._data[0]) : this._options.columnHeaders;   Eif (headers.length > 0) { let row = ""; for (let keyPos = 0; keyPos < headers.length; keyPos++) { row += headers[keyPos] + this._options.fieldSeparator; }   row = row.slice(0, -1); this._csv += row + CsvConfigConsts.EOL; } } /** * Create Body */ private _getBody() { const keys = Object.keys(this._data[0]); for (var i = 0; i < this._data.length; i++) { let row = ""; for (let keyPos = 0; keyPos < keys.length; keyPos++) { const key = keys[keyPos]; row += this._formatData(this._data[i][key]) + this._options.fieldSeparator; }   row = row.slice(0, -1); this._csv += row + CsvConfigConsts.EOL; } } /** * Format Data * @param {any} data */ private _formatData(data: any) {   Iif (this._options.decimalSeparator === 'locale' && this._isFloat(data)) { return data.toLocaleString(); }   Iif (this._options.decimalSeparator !== '.' && this._isFloat(data)) { return data.toString().replace('.', this._options.decimalSeparator); }   if (typeof data === 'string') { data = data.replace(/"/g, '""'); Eif (this._options.quoteStrings || data.indexOf(',') > -1 || data.indexOf('\n') > -1 || data.indexOf('\r') > -1) { data = this._options.quoteStrings + data + this._options.quoteStrings; } return data; }   if (typeof data === 'boolean') { return data ? 'TRUE' : 'FALSE'; } return data; } /** * Check if is Float * @param {any} input */ private _isFloat(input: any) { return +input === input && (!isFinite(input) || Boolean(input % 1)); } /** * Parse the collection given to it * * @private * @param {*} jsonData * @returns {any[]} * @memberof ExportToCsv */ private _parseData(jsonData: any): any[] { this._data = typeof jsonData != 'object' ? JSON.parse(jsonData) : jsonData;   return this._data; } }   let hasOwnProperty = Object.prototype.hasOwnProperty; let propIsEnumerable = Object.prototype.propertyIsEnumerable;   /** * Convet to Object * @param {any} val */ function toObject(val: any) { Iif (val === null || val === undefined) { throw new TypeError('Object.assign cannot be called with null or undefined'); } return Object(val); } /** * Assign data to new Object * @param {any} target * @param {any[]} ...source */ function objectAssign(target: any, ...source: any[]) { let from: any; let to = toObject(target); let symbols: any;   for (var s = 1; s < arguments.length; s++) { from = Object(arguments[s]);   for (var key in from) { Eif (hasOwnProperty.call(from, key)) { to[key] = from[key]; } }   Eif ((<any>Object).getOwnPropertySymbols) { symbols = (<any>Object).getOwnPropertySymbols(from); for (var i = 0; i < symbols.length; i++) { if (propIsEnumerable.call(from, symbols[i])) { to[symbols[i]] = from[symbols[i]]; } } } } return to; }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Mon Aug 12 2019 00:22:02 GMT+0100 (British Summer Time) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>