planning

node_modules/comma-separated-tokens/index.js

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+'use strict'
+
+exports.parse = parse
+exports.stringify = stringify
+
+var comma = ','
+var space = ' '
+var empty = ''
+
+// Parse comma-separated tokens to an array.
+function parse(value) {
+  var values = []
+  var input = String(value || empty)
+  var index = input.indexOf(comma)
+  var lastIndex = 0
+  var end = false
+  var val
+
+  while (!end) {
+    if (index === -1) {
+      index = input.length
+      end = true
+    }
+
+    val = input.slice(lastIndex, index).trim()
+
+    if (val || !end) {
+      values.push(val)
+    }
+
+    lastIndex = index + 1
+    index = input.indexOf(comma, lastIndex)
+  }
+
+  return values
+}
+
+// Compile an array to comma-separated tokens.
+// `options.padLeft` (default: `true`) pads a space left of each token, and
+// `options.padRight` (default: `false`) pads a space to the right of each token.
+function stringify(values, options) {
+  var settings = options || {}
+  var left = settings.padLeft === false ? empty : space
+  var right = settings.padRight ? space : empty
+
+  // Ensure the last empty entry is seen.
+  if (values[values.length - 1] === empty) {
+    values = values.concat(empty)
+  }
+
+  return values.join(right + comma + left).trim()
+}