tsv - npm Package Compare versions

Comparing version 0.1.1 to 0.2.0

index.js

@@ -5,9 +5,49 @@ (function(){
 
-    function stringify (data) {
+    function extend (o) {
+        Array.prototype.slice.call(arguments, 1).forEach(function(source){
+            if (!source) return
+            for (var keys = Object.keys(source), i = 0; i < keys.length; i++) {
+                var key = keys[i]
+                o[key] = source[key]
+            }
+        })
+        return o
+    }
+
+    function unquote (str) {
+        var match
+        return (match = str.match(/(['"]?)(.*)\1/)) && match[2] || str
+    }
+
+    function comments (line) {
+        return !/#@/.test(line[0])
+    }
+
+    function getValues (line, sep) {
+        return line.split(sep).map(function(value){
+            var value = unquote(value), num = +value
+            return num === parseInt(value, 10) ? num : value
+        })
+    }
+
+    function Parser (sep, options) {
+        var opt = extend({
+            header: true
+        }, options)
+
+        this.sep = sep
+        this.header = opt.header
+    }
+
+    Parser.prototype.stringify = function (data) {
         var sep    = this.sep
-          , keys   = Object.keys(data[0])
-          , header = keys.join(sep)
-          , output = header + br
+          , head   = !!this.header
+          , keys   = (typeof data[0] === 'object') && Object.keys(data[0])
+          , header = keys && keys.join(sep)
+          , output = head ? (header + br) : ''
 
+        if (!data || !keys) return ''
+            
         return output + data.map(function(obj){
+            var item = keys ? {} : []
             var values = keys.reduce(function(p, key){
@@ -21,38 +61,29 @@ p.push(obj[key])
 
-    function comments (line) {
-        return !/#@/.test(line[0])
-    }
-
-    function parse (tsv) {
+    Parser.prototype.parse = function (tsv) {
         var sep   = this.sep
           , lines = tsv.split(/[\n\r]/).filter(comments)
-          , keys  = lines.shift().split(sep)
+          , head  = !!this.header
+          , keys  = head ? getValues(lines.shift(), sep) : {}
 
-        return lines.reduce(function(p, line){
-            p.push(line.split(sep).reduce(function(p, val, i){
-                p[keys[i]] = val
-                return p
-            }, {}))
-            return p
+        if (lines.length < 1) return []
+
+        return lines.reduce(function(output, line){
+            var item = head ? {} : []
+            output.push(getValues(line, sep).reduce(function(item, val, i){
+                item[keys[i] || i] = val
+                return item
+            }, item))
+            return output
         }, [])
     }
 
-    var TSV = {
-        stringify: stringify
-      , parse: parse
-      , sep: "\t"
-    }
+    // Export TSV parser as main, but also expose `.TSV`, `.CSV` and `.Parser`.
+    var TSV = new Parser("\t")
 
-    // cyclical reference to allow both
-    //   var TSV = require('tsv')
-    // and
-    //   { TSV, CSV } = require('tsv')
-    TSV.TSV = TSV
+    extend(TSV, {
+        TSV    : TSV
+      , CSV    : new Parser(",")
+      , Parser : Parser
+    })
 
-    TSV.CSV = {
-        stringify: stringify
-      , parse: parse
-      , sep: ","
-    }
-
     if (typeof module !== 'undefined' && module.exports){
@@ -59,0 +90,0 @@ module.exports = TSV

package.json

 {
   "name": "tsv",
   "description": "Simple dependency-free TSV and CSV converter/parser",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "main": "index.js",
@@ -6,0 +6,0 @@ "keywords": [

README.md

@@ -37,2 +37,22 @@ TSV
 - `CSV.stringify(object)`
-- `CSV.parse(csv_string)`
+- `CSV.parse(csv_string)`
+
+#### Options and custom separators
+
+No headers:
+
+    // Creating a new parser
+    var Parser = require('tsv').Parser
+    var CSV = new Parser(",", { header: false })
+
+    // Using the default parser
+    var CSV = require('tsv').CSV
+    CSV.header = false
+
+Custom "pipe-separated values":
+
+    var TSV = require('tsv')
+    PSV = new TSV.Parser("|")
+
+    var res = PSV.parse(...)
+    

test/test.json

@@ -24,2 +24,8 @@ [{
     "source": "earth"
+},
+{
+    "id": 90,
+    "food": "raw meat",
+    "type": "noquotes",
+    "source": "  spaces "
 }]

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Non-existent author

Supply chain risk

The package was published by an npm account that no longer exists.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

12020

increased by168%

Number of package files

13

increased by44.44%

Lines of code

283

increased by287.67%

Number of lines in readme file

57

increased by54.05%

Number of high supply chain risk alerts

0

decreased by-100%

Worsened metrics

Number of medium supply chain risk alerts

2

increased byInfinity%

No dependency changes