always use lodash.get

README.md

@@ -56,7 +56,6 @@ or [use it from the CLI](https://github.com/zemirco/json2csv#command-line-interf
   - `del` - String, delimiter of columns. Defaults to `,` if not specified.
   - `defaultValue` - String, default value to use when missing data. Defaults to `` if not specified.
   - `quotes` - String, quotes around cell values and column names. Defaults to `"` if not specified.
-  - `nested` - Boolean, enables nested fields for getting JSON data. Defaults to `false` if not specified.
   - `eol` - String, it gets added to each row of data. Defaults to `` if not specified.
   - `newLine` - String, overrides the default OS line ending (i.e. `\n` on Unix and `\r\n` on Windows).
 - `callback` - **Required**; `function (error, csvString) {}`.
@@ -217,7 +216,7 @@ var myCars = [
   }
 ];
 
-json2csv({ data: myCars, fields: fields, nested: true }, function(err, csv) {
+json2csv({ data: myCars, fields: fields }, function(err, csv) {
   if (err) console.log(err);
   fs.writeFile('file.csv', csv, function(err) {
     if (err) throw err;
@@ -256,7 +255,6 @@ Usage: json2csv [options]
     -e, --eol [value]            Specify an EOL value after each row.
     -z, --newLine [value]        Specify an new line value for separating rows.
     -q, --quote [value]          Specify an alternate quote value.
-    -x, --nested                 Allow fields to be nested via dot notation, e.g. 'car.make'.
     -n, --no-header              Disable the column name header
     -L, --ldjson                 Treat the input as Line-Delimited JSON.
     -p, --pretty                 Use only when printing to console. Logs output in pretty tables.

bin/json2csv.js

@@ -21,7 +21,6 @@ program
   .option('-e, --eol [value]', 'Specify an EOL value after each row.')
   .option('-z, --newLine [value]', 'Specify an new line value for separating rows.')
   .option('-q, --quote [value]', 'Specify an alternate quote value.')
-  .option('-x, --nested', 'Allow fields to be nested via dot notation, e.g. \'car.make\'.')
   .option('-n, --no-header', 'Disable the column name header')
   .option('-L, --ldjson', 'Treat the input as Line-Delimited JSON.')
   .option('-p, --pretty', 'Use only when printing to console. Logs output in pretty tables.')
@@ -112,7 +111,6 @@ getFields(function (err, fields) {
 
     opts.hasCSVColumnTitle = program.header;
     opts.quotes = program.quote;
-    opts.nested = program.nested;
     opts.defaultValue = program.defaultValue;
 
     if (program.delimiter) {

lib/json2csv.js

@@ -2,7 +2,7 @@
  * Module dependencies.
  */
 var os = require('os');
-var get = require('lodash.get');
+var lodashGet = require('lodash.get');
 
 /**
  * Main function that converts json to csv
@@ -74,9 +74,6 @@ function checkParams(params, callback) {
   //#check quotation mark
   params.quotes = typeof params.quotes === 'string' ? params.quotes : '"';
 
-  //#check nested option
-  params.nested = params.nested || false;
-
   //#check default value
   params.defaultValue = params.defaultValue;
 
@@ -150,13 +147,7 @@ function createColumnContent(params, str) {
       var eol = params.newLine || os.EOL || '\n';
 
       params.fields.forEach(function (fieldElement) {
-        var val;
-
-        if (params.nested) {
-          val = get(dataElement, fieldElement, '');
-        } else {
-          val = dataElement[fieldElement];
-        }
+        var val = lodashGet(dataElement, fieldElement, params.defaultValue);
 
         if (val !== undefined) {
           var stringifiedElement = JSON.stringify(val);
@@ -166,9 +157,6 @@ function createColumnContent(params, str) {
           }
 
           line += stringifiedElement;
-        } else if (params.defaultValue !== undefined) {
-          // Use default value if defined
-          line += JSON.stringify(params.defaultValue);
         }
 
         line += params.del;

test/index.js

@@ -225,8 +225,7 @@ async.parallel(loadFixtures(csvFixtures), function (err) {
     json2csv({
       data: jsonNested,
       fields: ['car.make', 'car.model', 'price', 'color', 'car.ye.ar'],
-      fieldNames: ['Make', 'Model', 'Price', 'Color', 'Year'],
-      nested: true
+      fieldNames: ['Make', 'Model', 'Price', 'Color', 'Year']
     }, function (error, csv) {
       t.error(error);
       t.equal(csv, csvFixtures.nested);