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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.tv.firefox.ext
import org.json.JSONArray
import org.json.JSONException
import org.json.JSONObject
/**
* Map over the JSONArray, removing null values after [transform] and ignoring invalid data.
* An empty List will be returned if all the values are null or invalid.
*/
inline fun <R : Any> JSONArray.flatMapObj(transform: (JSONObject) -> R?): List<R> {
val transformedResults = mutableListOf<R>()
for (i in 0 until this.length()) {
try {
val transformed = transform(this.getJSONObject(i))
if (transformed != null) { transformedResults.add(transformed) }
} catch (e: JSONException) { /* Do nothing: we skip bad data. */ }
}
return transformedResults
}