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Optionally pretty print the serialized JSON output #11

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Optionally pretty print the serialized JSON output #11

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6 changes: 4 additions & 2 deletions lib/naive_bayes.js
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Original file line number Diff line number Diff line change
Expand Up @@ -256,16 +256,18 @@ Naivebayes.prototype.frequencyTable = function (tokens) {

/**
* Dump the classifier's state as a JSON string.
* @param {Boolean} Optionally format the serialized JSON output for easier human consumption
* @return {String} Representation of the classifier.
*/
Naivebayes.prototype.toJson = function () {
Naivebayes.prototype.toJson = function (prettyPrint) {
var state = {}
var self = this
var prettyPrintSpaces = prettyPrint ? 2 : 0
STATE_KEYS.forEach(function (k) {
state[k] = self[k]
})

var jsonStr = JSON.stringify(state)
var jsonStr = JSON.stringify(state, null, prettyPrintSpaces)

return jsonStr
}
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