Allow null for optional messages, see #562; Other minor improvements …

…to short ifs

README.md

@@ -168,7 +168,7 @@ Custom classes are automatically populated with static `encode`, `encodeDelimite
 
 ### Using the Reader/Writer interface directly
 
-While meant for the adventurous, it's also possible to use the Reader/Writer interface directly to build custom encoders and decoders that work accross modern to ancient browsers and, of course, node:
+While only useful for the adventurous cherishing an aversion to [generated static code](https://github.com/dcodeIO/protobuf.js#command-line), it's also possible to use the Reader/Writer interface directly using just the [minimal runtime](https://github.com/dcodeIO/protobuf.js/tree/master/dist/runtime) to build custom encoders and decoders that work accross modern to ancient browsers and, of course, node:
 
 ```js
 var writer = protobuf.Writer.create();
@@ -191,7 +191,7 @@ while (reader.pos < reader.len) {
 }
 ```
 
-You can take pretty much any generated code snippet as a reference. Easy ways to obtain these are either setting `protobuf.util.codegen.verbose = true` while watching the magic as it happens, or simply inspecting [generated static code](https://github.com/dcodeIO/protobuf.js#command-line).
+Easy ways to obtain example code snippets are either setting `protobuf.util.codegen.verbose = true` while watching the magic as it happens, or simply inspecting generated static code.
 
 ### Using services
 

bench/prof.js

@@ -44,7 +44,7 @@ var root = protobuf.parse(fs.readFileSync(require.resolve("../bench/bench.proto"
 var Test = root.lookup("Test");
 var data = require("../bench/bench.json");
 
-var count = process.argv.length > 3 && parseInt(process.argv[3], 10) || 10000000;
+var count = process.argv.length > 3 ? parseInt(process.argv[3], 10) : 10000000;
 
 function setupBrowser() {
     protobuf.Writer.create = function create_browser() { return new protobuf.Writer(); };

cli/targets/proto.js

@@ -178,7 +178,7 @@ function buildField(field, passExtend) {
     else if (field.repeated)
         sb.push("repeated", field.type);
     else if (syntax === 2)
-        sb.push(field.required && "required" || "optional", field.type);
+        sb.push(field.required ? "required" : "optional", field.type);
     else
         sb.push(field.type);
     sb.push(underScore(field.name), "=", field.id);

cli/targets/static.js

@@ -407,11 +407,11 @@ function buildService(ref, service) {
             push("var requestData;");
             push("try {");
                 ++indent;
-                push("requestData = (this.requestDelimited && $root" + name(method.resolvedRequestType.fullName) + ".encodeDelimited(request) || $root" + name(method.resolvedRequestType.fullName) + ".encode(request)).finish();");
+                push("requestData = (this.requestDelimited ? $root" + name(method.resolvedRequestType.fullName) + ".encodeDelimited(request) : $root" + name(method.resolvedRequestType.fullName) + ".encode(request)).finish();");
                 --indent;
             push("} catch (err) {");
                 ++indent;
-                push("(typeof setImmediate === 'function' && setImmediate || setTimeout)(function() { callback(err); });");
+                push("(typeof setImmediate === 'function' ? setImmediate : setTimeout)(function() { callback(err); });");
                 push("return;");
                 --indent;
             push("}");
@@ -427,7 +427,7 @@ function buildService(ref, service) {
                 push("var response;");
                 push("try {");
                     ++indent;
-                    push("response = self.responseDelimited && $root" + name(method.resolvedResponseType.fullName) + ".decodeDelimited(responseData) || $root" + name(method.resolvedResponseType.fullName) + ".decode(responseData);");
+                    push("response = self.responseDelimited ? $root" + name(method.resolvedResponseType.fullName) + ".decodeDelimited(responseData) : $root" + name(method.resolvedResponseType.fullName) + ".decode(responseData);");
                     --indent;
                 push("} catch (err2) {");
                     ++indent;