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-rw-r--r--js/README.md1
-rwxr-xr-xsrc/google/protobuf/compiler/js/js_generator.cc33
-rwxr-xr-xsrc/google/protobuf/compiler/js/js_generator.h9
3 files changed, 33 insertions, 10 deletions
diff --git a/js/README.md b/js/README.md
index ef0d4b19..d8edca37 100644
--- a/js/README.md
+++ b/js/README.md
@@ -144,6 +144,7 @@ Some examples:
The `import_style` option is left to the default, which is `closure`.
- `--js_out=import_style=commonjs,binary:protos`: this contains the options
`import_style=commonjs` and `binary` and outputs to the directory `protos`.
+ `import_style=commonjs_strict` doesn't expose the output on the global scope.
API
===
diff --git a/src/google/protobuf/compiler/js/js_generator.cc b/src/google/protobuf/compiler/js/js_generator.cc
index d8282e40..dd76a509 100755
--- a/src/google/protobuf/compiler/js/js_generator.cc
+++ b/src/google/protobuf/compiler/js/js_generator.cc
@@ -276,7 +276,8 @@ string GetEnumPath(const GeneratorOptions& options,
string MaybeCrossFileRef(const GeneratorOptions& options,
const FileDescriptor* from_file,
const Descriptor* to_message) {
- if (options.import_style == GeneratorOptions::kImportCommonJs &&
+ if ((options.import_style == GeneratorOptions::kImportCommonJs ||
+ options.import_style == GeneratorOptions::kImportCommonJsStrict) &&
from_file != to_message->file()) {
// Cross-file ref in CommonJS needs to use the module alias instead of
// the global name.
@@ -1675,8 +1676,18 @@ void Generator::GenerateProvides(const GeneratorOptions& options,
//
// // Later generated code expects foo.bar = {} to exist:
// foo.bar.Baz = function() { /* ... */ }
- printer->Print("goog.exportSymbol('$name$', null, global);\n", "name",
- *it);
+
+ // Do not use global scope in strict mode
+ if (options.import_style == GeneratorOptions::kImportCommonJsStrict) {
+ string namespaceObject = *it;
+ // Remove "proto." from the namespace object
+ namespaceObject.erase(0, 6);
+ printer->Print("goog.exportSymbol('$name$', null, proto);\n", "name",
+ namespaceObject);
+ } else {
+ printer->Print("goog.exportSymbol('$name$', null, global);\n", "name",
+ *it);
+ }
}
}
}
@@ -3321,6 +3332,8 @@ bool GeneratorOptions::ParseFromOptions(
import_style = kImportClosure;
} else if (options[i].second == "commonjs") {
import_style = kImportCommonJs;
+ } else if (options[i].second == "commonjs_strict") {
+ import_style = kImportCommonJsStrict;
} else if (options[i].second == "browser") {
import_style = kImportBrowser;
} else if (options[i].second == "es6") {
@@ -3430,10 +3443,17 @@ void Generator::GenerateFile(const GeneratorOptions& options,
GenerateHeader(options, printer);
// Generate "require" statements.
- if (options.import_style == GeneratorOptions::kImportCommonJs) {
+ if ((options.import_style == GeneratorOptions::kImportCommonJs ||
+ options.import_style == GeneratorOptions::kImportCommonJsStrict)) {
printer->Print("var jspb = require('google-protobuf');\n");
printer->Print("var goog = jspb;\n");
- printer->Print("var global = Function('return this')();\n\n");
+
+ // Do not use global scope in strict mode
+ if (options.import_style == GeneratorOptions::kImportCommonJsStrict) {
+ printer->Print("var proto = {};\n\n");
+ } else {
+ printer->Print("var global = Function('return this')();\n\n");
+ }
for (int i = 0; i < file->dependency_count(); i++) {
const string& name = file->dependency(i)->name();
@@ -3477,7 +3497,8 @@ void Generator::GenerateFile(const GeneratorOptions& options,
GenerateExtension(options, printer, *it);
}
- if (options.import_style == GeneratorOptions::kImportCommonJs) {
+ if ((options.import_style == GeneratorOptions::kImportCommonJs ||
+ options.import_style == GeneratorOptions::kImportCommonJsStrict)) {
printer->Print("goog.object.extend(exports, $package$);\n",
"package", GetFilePath(options, file));
}
diff --git a/src/google/protobuf/compiler/js/js_generator.h b/src/google/protobuf/compiler/js/js_generator.h
index 3cc60e22..b50ef7fd 100755
--- a/src/google/protobuf/compiler/js/js_generator.h
+++ b/src/google/protobuf/compiler/js/js_generator.h
@@ -63,10 +63,11 @@ struct GeneratorOptions {
bool binary;
// What style of imports should be used.
enum ImportStyle {
- kImportClosure, // goog.require()
- kImportCommonJs, // require()
- kImportBrowser, // no import statements
- kImportEs6, // import { member } from ''
+ kImportClosure, // goog.require()
+ kImportCommonJs, // require()
+ kImportCommonJsStrict, // require() with no global export
+ kImportBrowser, // no import statements
+ kImportEs6, // import { member } from ''
} import_style;
GeneratorOptions()