Remove stringify option

README.md

@@ -368,7 +368,7 @@ The stream API can also work on object mode. This is useful when you have an inp
     {
       label: 'some label', // Optional, column will be labeled with the function name or empty if the function is anonymous
       value: (row, field) => row[field.label].toLowerCase() ||field.default,
-      default: 'NULL', // default if value function returns null or undefined
+      default: 'NULL' // default if value function returns null or undefined
     },
 
     // Supports label -> derived value
@@ -378,8 +378,7 @@ The stream API can also work on object mode. This is useful when you have an inp
 
     // Supports label -> derived value
     {
-      value: (row) => `"${row.arrayField.join(',')}"`,
-      stringify: false // This flag signals if the resulting string should be quoted (stringified) or not (optional, default: true)
+      value: (row) => `"${row.arrayField.join(',')}"`
     },
   ]
 }

lib/JSON2CSVBase.js

@@ -52,7 +52,6 @@ class JSON2CSVBase {
           value: (fieldInfo.includes('.') || fieldInfo.includes('['))
             ? row => lodashGet(row, fieldInfo, this.opts.defaultValue)
             : row => getProp(row, fieldInfo, this.opts.defaultValue),
-          stringify: true,
         };
       }
 
@@ -67,7 +66,6 @@ class JSON2CSVBase {
             value: (fieldInfo.value.includes('.') || fieldInfo.value.includes('['))
               ? row => lodashGet(row, fieldInfo.value, defaultValue)
               : row => getProp(row, fieldInfo.value, defaultValue),
-            stringify: fieldInfo.stringify !== undefined ? fieldInfo.stringify : true,
           };
         }
 
@@ -82,7 +80,6 @@ class JSON2CSVBase {
                 ? defaultValue
                 : value;
             },
-            stringify: fieldInfo.stringify !== undefined ? fieldInfo.stringify : true,
           }
         }
       }
@@ -168,17 +165,16 @@ class JSON2CSVBase {
    * @returns {String} CSV string (cell)
    */
   processCell(row, fieldInfo) {
-    return this.processValue(fieldInfo.value(row), fieldInfo.stringify);
+    return this.processValue(fieldInfo.value(row));
   }
 
   /**
    * Create the content of a specfic CSV row cell
    *
    * @param {Any} value Value to be included in a CSV cell
-   * @param {Boolean} stringify Details of the field to process to be a CSV cell
    * @returns {String} Value stringified and processed
    */
-  processValue(value, stringify) {
+  processValue(value) {
     if (value === null || value === undefined) {
       return undefined;
     }
@@ -201,14 +197,7 @@ class JSON2CSVBase {
         value = value.replace(new RegExp(this.opts.quote, 'g'), this.opts.doubleQuote);
       }
 
-      // This should probably be remove together with the whole strignify option
-      if (stringify) {
-        value = `${this.opts.quote}${value}${this.opts.quote}`;
-      } else {
-        value = value
-          .replace(new RegExp(`^${this.opts.doubleQuote}`), this.opts.quote)
-          .replace(new RegExp(`${this.opts.doubleQuote}$`), this.opts.quote);
-      }
+      value = `${this.opts.quote}${value}${this.opts.quote}`;
 
       if (this.opts.excelStrings) {
         value = `"="${value}""`;

test/CLI.js

@@ -264,17 +264,6 @@ module.exports = (testRunner, jsonFixtures, csvFixtures) => {
     });
   });
 
-  testRunner.add('field.value function should not stringify if stringify is selected to false', (t) => {
-    const opts = ' --config ' + getFixturePath('/fields/functionNoStringify.js');
-
-    child_process.exec(cli + '-i ' + getFixturePath('/json/functionNoStringify.json') + opts, (err, stdout, stderr) => {
-      t.notOk(stderr);
-      const csv = stdout;
-      t.equal(csv, csvFixtures.functionNoStringify);
-      t.end();
-    });
-  });
-
   testRunner.add('should process different combinations in fields option', (t) => {
     const opts = ' --config ' + getFixturePath('/fields/fancyfields.js')
       + ' --default-value NULL';

test/JSON2CSVAsyncParser.js

@@ -273,7 +273,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
 
   testRunner.add('should error on invalid \'fields\' property', (t) => {
     const opts = {
-      fields: [ { value: 'price', stringify: true }, () => {} ]
+      fields: [ { value: 'price' }, () => {} ]
     };
 
     try {
@@ -293,7 +293,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
   testRunner.add('should error on invalid \'fields.value\' property', (t) => {
     const opts = {
       fields: [
-        { value: row => row.price, stringify: true }, 
+        { value: row => row.price }, 
         { label: 'Price USD', value: [] }
       ]
     };
@@ -373,22 +373,6 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
       .then(() => t.end());
   });
 
-  testRunner.add('field.value function should not stringify if stringify is selected to false', (t) => {
-    const opts = {
-      fields: [{
-        label: 'Value1',
-        value: row => row.value1.toLocaleString(),
-        stringify: false
-      }]
-    };
-
-    const parser = new AsyncParser(opts);
-    parser.fromInput(jsonFixtures.functionNoStringify()).promise()
-      .then(csv => t.equal(csv, csvFixtures.functionNoStringify))
-      .catch(err => t.notOk(true, err.message))
-      .then(() => t.end());
-  });
-
   testRunner.add('should process different combinations in fields option', (t) => {
     const opts = {
       fields: [{

test/JSON2CSVParser.js

@@ -177,7 +177,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures) => {
 
   testRunner.add('should error on invalid \'fields\' property', (t) => {
     const opts = {
-      fields: [ { value: 'price', stringify: true }, () => {} ]
+      fields: [ { value: 'price' }, () => {} ]
     };
 
     try {
@@ -194,7 +194,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures) => {
   testRunner.add('should error on invalid \'fields.value\' property', (t) => {
     const opts = {
       fields: [
-        { value: row => row.price, stringify: true }, 
+        { value: row => row.price }, 
         { label: 'Price USD', value: [] }
       ]
     };
@@ -271,22 +271,6 @@ module.exports = (testRunner, jsonFixtures, csvFixtures) => {
     t.end();
   });
 
-  testRunner.add('field.value function should not stringify if stringify is selected to false', (t) => {
-    const opts = {
-      fields: [{
-        label: 'Value1',
-        value: row => row.value1.toLocaleString(),
-        stringify: false
-      }]
-    };
-
-    const parser = new Json2csvParser(opts);
-    const csv = parser.parse(jsonFixtures.functionNoStringify);
-
-    t.equal(csv, csvFixtures.functionNoStringify);
-    t.end();
-  });
-
   testRunner.add('should process different combinations in fields option', (t) => {
     const opts = {
       fields: [{

test/JSON2CSVTransform.js

@@ -347,7 +347,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
 
   testRunner.add('should error on invalid \'fields\' property', (t) => {
     const opts = {
-      fields: [ { value: 'price', stringify: true }, () => {} ]
+      fields: [ { value: 'price' }, () => {} ]
     };
 
     try {
@@ -364,7 +364,7 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
   testRunner.add('should error on invalid \'fields.value\' property', (t) => {
     const opts = {
       fields: [
-        { value: row => row.price, stringify: true }, 
+        { value: row => row.price }, 
         { label: 'Price USD', value: [] }
       ]
     };
@@ -468,31 +468,6 @@ module.exports = (testRunner, jsonFixtures, csvFixtures, inMemoryJsonFixtures) =
       });
   });
 
-  testRunner.add('field.value function should not stringify if stringify is selected to false', (t) => {
-    const opts = {
-      fields: [{
-        label: 'Value1',
-        value: row => row.value1.toLocaleString(),
-        stringify: false
-      }]
-    };
-
-    const transform = new Json2csvTransform(opts);
-    const processor = jsonFixtures.functionNoStringify().pipe(transform);
-
-    let csv = '';
-    processor
-      .on('data', chunk => (csv += chunk.toString()))
-      .on('end', () => {
-        t.equal(csv, csvFixtures.functionNoStringify);
-        t.end();
-      })
-      .on('error', err => {
-        t.notOk(true, err.message)
-        t.end();  
-      });
-  });
-
   testRunner.add('should process different combinations in fields option', (t) => {
     const opts = {
       fields: [{

test/fixtures/fields/functionNoStringify.js

@@ -1,7 +1,6 @@
 module.exports = {
   fields: [{
     label: 'Value1',
-    value: row => row.value1.toLocaleString(),
-    stringify: false
+    value: row => row.value1.toLocaleString()
   }]
 };