Added multi-level property functionality

This commit is contained in:
Anna Thomas
2014-10-03 16:12:24 +01:00
parent 4f496c37be
commit 97e5c2e571
2 changed files with 35 additions and 39 deletions

View File

@@ -20,55 +20,49 @@ module.exports = function(RED) {
RED.nodes.createNode(this, n);
this.action = n.action;
this.property = n.property || "";
this.from = n.from || " ";
this.to = n.to || " ";
this.from = n.from || "";
this.to = n.to || "";
this.reg = (n.reg === null || n.reg);
var node = this;
if (node.reg === false) {
this.from = this.from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
}
var makeNew = function( stem, path, value ) {
var lastPart = (arguments.length === 3) ? path.pop() : false;
for (var i = 0; i < path.length; i++) {
stem = stem[path[i]] = stem[path[i]] || {};
}
if (lastPart) { stem = stem[lastPart] = value; }
return stem;
};
this.on('input', function (msg) {
if (node.action == "change") {
var propertyParts;
var depth = 0;
if (node.action === "change") {
try {
node.re = new RegExp(this.from, "g");
} catch (e) {
node.error(e.message);
}
if (typeof msg[node.property] === "string") {
msg[node.property] = (msg[node.property]).replace(node.re, node.to);
}
}
//else if (node.action == "replace") {
//if (node.to.indexOf("msg.") == 0) {
//msg[node.property] = eval(node.to);
//}
//else {
//msg[node.property] = node.to;
//}
//}
else if (node.action == "replace") {
if (node.to.indexOf("msg.") === 0) {
makeNew( msg, node.property.split("."), eval(node.to) );
}
else {
makeNew( msg, node.property.split("."), node.to );
}
//makeNew( msg, node.property.split("."), node.to );
}
else if (node.action == "delete") {
delete(msg[node.property]);
}
propertyParts = node.property.split(".");
try {
propertyParts.reduce(function (obj, i) {
if (++depth === propertyParts.length) {
if (node.action === "change") {
if (typeof obj[i] === "string") {
obj[i] = obj[i].replace(node.re, node.to);
}
} else if (node.action === "replace") {
obj[i] = node.to;
} else if (node.action === "delete") {
delete(obj[i]);
}
} else {
if (!obj[i]) {
obj[i] = {};
}
return obj[i];
}
}, msg);
} catch (err) {}
node.send(msg);
});
}
RED.nodes.registerType("change", ChangeNode);
}
};