[js-transform] Introduced support for additional parameters (#10901)

* [js-transform] Introduced support for additional parameters


Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>

* Added junit tests and updated readme

Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>

* Typo fixes

Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>

* Typo fix

Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>

* Fixed junit test

Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>

bundles/org.openhab.transform.javascript/conf/transform/js/readme/readme.js

@@ -0,0 +1,4 @@
+(function(i) {
+    var array = i.split(" ");
+    return array[array.length - 1].length;
+})(input)

bundles/org.openhab.transform.javascript/conf/transform/readme.js

@@ -0,0 +1,4 @@
+(function(i) {
+    var array = i.split(" ");
+    return array[array.length - 1].length;
+})(input)

bundles/org.openhab.transform.javascript/conf/transform/returntest.js

@@ -0,0 +1,3 @@
+(function(i, a, b) {
+    return b;
+})(input, a, test)

bundles/org.openhab.transform.javascript/conf/transform/scale.js

@@ -0,0 +1,3 @@
+(function(data, cf, d) {
+    return parseFloat(data) * parseFloat(cf) / parseFloat(d);
+})(input, correctionFactor, divider)

bundles/org.openhab.transform.javascript/conf/transform/sum.js

@@ -0,0 +1,3 @@
+(function(i, a, b) {
+    return parseInt(i) + parseInt(a) + parseInt(b);
+})(input, a, b)