add i18n support for port label of inject/exec/httprequest/file node

packages/node_modules/@node-red/nodes/core/core/20-inject.html

@@ -172,17 +172,23 @@
         inputs:0,
         outputs:1,
         outputLabels: function(index) {
-            var labels = { str:"string", num:"number", bool:"boolean", json:"object", flow:"flow context", global:"global context" };
-            var lab = labels[this.payloadType] || this.payloadType;
-            if (lab === "object") {
+            var lab = this.payloadType;
+            if (lab === "json") {
                 try {
                     lab = typeof JSON.parse(this.payload);
                     if (lab === "object") {
                         if (Array.isArray(JSON.parse(this.payload))) { lab = "Array"; }
                     }
-                } catch(e) { lab = "Invalid JSON Object"; }
+                } catch(e) {
+                    return this._("inject.label.invalid"); }
             }
-            return lab; },
+            var name = "inject.label."+lab;
+            var label = this._(name);
+            if (name !== label) {
+                return label;
+            }
+            return lab;
+        },
         label: function() {
             var suffix = "";
             // if fire once then add small indication

packages/node_modules/@node-red/nodes/core/core/75-exec.html

@@ -66,7 +66,13 @@
         },
         inputs:1,
         outputs:3,
-        outputLabels: ["stdout","stderr","return code"],
+        outputLabels: function(i) {
+            return [
+                this._("exec.label.stdout"),
+                this._("exec.label.stderr"),
+                this._("exec.label.retcode")
+            ][i];
+        },
         icon: "arrow-in.png",
         align: "right",
         label: function() {

packages/node_modules/@node-red/nodes/core/io/21-httprequest.html

@@ -102,7 +102,11 @@
         inputs:1,
         outputs:1,
         outputLabels: function(i) {
-            return ({txt:"UTF8 string", bin:"binary buffer", obj:"parsed JSON object"}[this.ret]);
+            return ({
+                txt: this._("httpin.label.utf8String"),
+                bin: this._("httpin.label.binaryBuffer"),
+                obj: this._("httpin.label.jsonObject")
+            }[this.ret]);
         },
         icon: "white-globe.png",
         label: function() {

packages/node_modules/@node-red/nodes/core/storage/50-file.html

@@ -100,7 +100,7 @@
         inputs:1,
         outputs:1,
         outputLabels: function(i) {
-            return (this.format === "utf8") ? "UTF8 string" : "binary buffer";
+            return (this._((this.format === "utf8") ? "file.label.utf8String" : "file.label.binaryBuffer"));
         },
         icon: "file-in.png",
         label: function() {