Issue#297 resolve cli table dependency

.travis.yml

@@ -1,7 +1,5 @@
 language: node_js
 node_js:
-  - "4"
-  - "5"
   - "6"
   - "7"
   - "8"

README.md

@@ -65,6 +65,7 @@ $ npm install json2csv --save
     -a, --include-empty-rows            Includes empty rows in the resulting CSV output.
     -b, --with-bom                      Includes BOM character at the beginning of the csv.
     -p, --pretty                        Use only when printing to console. Logs output in pretty tables.
+    -P, --pretty-without-color          Use only when printing to console. Logs output in pretty tables, but without color.
     -h, --help                          output usage information
 ```
 
@@ -151,7 +152,7 @@ $ json2csv -i test.json -f name,version --no-header >> test.csv
 
 ### Available Options
 
-The programatic APIs take a configuration object very equivalent to the CLI options. 
+The programatic APIs take a configuration object very equivalent to the CLI options.
 
 - `fields` - Array of Objects/Strings. Defaults to toplevel JSON attributes. See example below.
 - `ndjson` - Only effective on the streaming API. Indicates that data coming through the stream is NDJSON.
@@ -170,7 +171,7 @@ The programatic APIs take a configuration object very equivalent to the CLI opti
 
 ### json2csv parser (Synchronous API)
 
-`json2csv` can also be use programatically as a synchronous converter using its `parse` method. 
+`json2csv` can also be use programatically as a synchronous converter using its `parse` method.
 ```javascript
 const Json2csvParser = require('json2csv').Parser;
 const fields = ['field1', 'field2', 'field3'];

bin/json2csv.js

@@ -35,6 +35,7 @@ program
   .option('-a, --include-empty-rows', 'Includes empty rows in the resulting CSV output.')
   .option('-b, --with-bom', 'Includes BOM character at the beginning of the csv.')
   .option('-p, --pretty', 'Use only when printing to console. Logs output in pretty tables.')
+  .option('-P, --pretty-without-color', 'Use only when printing to console. Logs output in pretty tables, but without color.')
   .parse(process.argv);
 
 function makePathAbsolute(filePath) {
@@ -131,9 +132,10 @@ function getInputFromStdin() {
 }
 
 function processOutput(csv) {
+
   if (!outputPath) {
     // eslint-disable-next-line no-console
-    program.pretty ? (new TablePrinter(program)).printCSV(csv) : console.log(csv);
+    (program.pretty || program.prettyWithoutColor) ? (new TablePrinter(program)).printCSV(csv) : console.log(csv);
     return;
   }
 
@@ -176,7 +178,7 @@ Promise.resolve()
     const transform = new Json2csvTransform(opts);
     const input = getInputStream();
     const stream = input.pipe(transform);
-    
+
     if (program.output) {
       const outputStream = fs.createWriteStream(outputPath, { encoding: 'utf8' });
       const output = stream.pipe(outputStream);
@@ -188,7 +190,7 @@ Promise.resolve()
       });
     }
 
-    if (!program.pretty) {
+    if (!(program.pretty || program.prettyWithoutColor)) {
       const output = stream.pipe(process.stdout);
       return new Promise((resolve, reject) => {
         input.on('error', reject);

bin/utils/TablePrinter.js

@@ -1,14 +1,20 @@
 'use strict';
 
-const Table = require('cli-table2');
+const Table = require('cli-table3');
 
 const MIN_CELL_WIDTH = 15;
+const noColorStyle =
+  {
+    head: [],   // disable colors in header cells
+    border: []  // disable colors for borders
+  };
 
 class TablePrinter {
   constructor(opts) {
     this.opts = opts;
     this._hasWritten = false;
     this.colWidths;
+    this.style = opts.prettyWithoutColor ? noColorStyle : {};
   }
 
   push(csv) {
@@ -24,8 +30,8 @@ class TablePrinter {
     if (!this._hasWritten) {
       this.colWidths = this.getColumnWidths(lines[0]);
       if (this.opts.header) {
-        const head = lines.shift().split(this.opts.delimiter);    
-        const table = new Table({ head, colWidths: this.colWidths, chars });
+        const head = lines.shift().split(this.opts.delimiter);
+        const table = new Table({ head, colWidths: this.colWidths, style: this.style, chars });
         this.print(table, []);
         this._hasWritten = true;
       }
@@ -37,15 +43,15 @@ class TablePrinter {
 
     if (!lines.length) return;
 
-    const table = new Table({ colWidths: this.colWidths, chars });
+    const table = new Table({ colWidths: this.colWidths, style: this.style, chars });
     this.print(table, lines);
     this._hasWritten = true;
   }
 
   end(csv) {
     const lines = csv.split(this.opts.eol);
     const chars = { 'top-left': '├' , 'top-mid': '┼', 'top-right': '┤' };
-    const table = new Table({ colWidths: this.colWidths, chars });
+    const table = new Table({ colWidths: this.colWidths, style: this.style, chars });
     this.print(table, lines);
   }
 
@@ -56,10 +62,10 @@ class TablePrinter {
     const head = this.opts.header
       ? lines.shift().split(this.opts.delimiter)
       : undefined;
-    
+
     const table = new Table(head
-      ? { head, colWidths: this.colWidths }
-      : { colWidths: this.colWidths });
+      ? { head, colWidths: this.colWidths, style: this.style }
+      : { colWidths: this.colWidths, style: this.style });
 
     this.print(table, lines);
   }
@@ -73,8 +79,8 @@ class TablePrinter {
   print(table, lines) {
     lines.forEach(line => table.push(line.split(this.opts.delimiter)));
     // eslint-disable-next-line no-console
-    console.log(table.toString());  
+    console.log(table.toString());
   }
 }
 
-module.exports = TablePrinter;
+module.exports = TablePrinter;