Add support for JavaScript output

Signed-off-by: Pierre Ossman <ossman@cendio.se>

4 files changed, 118 insertions, 1 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 88e7c03..0562305 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -8,3 +8,4 @@ osx.*
 osx_name.*
 stdc
 stdc++
+node_modules/
diff --git a/tests/Makefile b/tests/Makefile
index ccb3686..b7e2d3f 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,4 +1,4 @@
-TESTS := stdc stdc++ python2 python3
+TESTS := stdc stdc++ python2 python3 javascript
 
 check: $(TESTS)
 	@set -e; for fn in $(TESTS); do \
@@ -78,7 +78,35 @@ osx.py: $(SOURCES)
 osx_name.py: $(SOURCES)
 	$(GEN) --lang python2 name-table $(DATA) osx > $@
 
+javascript: node_modules/babel-core \
+            node_modules/babel-plugin-transform-es2015-modules-commonjs \
+            osx2win32.js osx2win32_name.js \
+            osx2xkb.js osx2xkb_name.js \
+            html2win32.js html2win32_name.js \
+            osx.js osx_name.js
+node_modules/babel-core:
+	npm install babel-core
+node_modules/babel-plugin-transform-es2015-modules-commonjs:
+	npm install babel-plugin-transform-es2015-modules-commonjs
+osx2win32.js: $(SOURCES)
+	$(GEN) --lang js code-map $(DATA) osx win32 > $@
+osx2win32_name.js: $(SOURCES)
+	$(GEN) --lang js name-map $(DATA) osx win32 > $@
+osx2xkb.js: $(SOURCES)
+	$(GEN) --lang js code-map $(DATA) osx xkb > $@
+osx2xkb_name.js: $(SOURCES)
+	$(GEN) --lang js name-map $(DATA) osx xkb > $@
+html2win32.js: $(SOURCES)
+	$(GEN) --lang js code-map $(DATA) html win32 > $@
+html2win32_name.js: $(SOURCES)
+	$(GEN) --lang js name-map $(DATA) html win32 > $@
+osx.js: $(SOURCES)
+	$(GEN) --lang js code-table $(DATA) osx > $@
+osx_name.js: $(SOURCES)
+	$(GEN) --lang js name-table $(DATA) osx > $@
+
 clean:
+	rm -rf node_modules
 	rm -f osx2win32.*
 	rm -f osx2win32_name.*
 	rm -f osx2xkb.*
diff --git a/tests/javascript b/tests/javascript
new file mode 100755
index 0000000..5179db2
--- /dev/null
+++ b/tests/javascript
@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+/*
+ * Keycode Map Generator JavaScript Tests
+ *
+ * Copyright 2017 Pierre Ossman for Cendio AB
+ *
+ * This file is dual license under the terms of the GPLv2 or later
+ * and 3-clause BSD licenses.
+ */
+
+"use strict";
+
+var assert = require('assert');
+var babel = require('babel-core');
+var fs = require('fs');
+
+function include(fn) {
+  var options = {
+    plugins: ["transform-es2015-modules-commonjs"]
+  };
+
+  var code = babel.transformFileSync(fn, options).code;
+  fs.writeFileSync("." + fn + "_nodejs.js", code);
+  var imp = require("./." + fn + "_nodejs.js");
+  fs.unlinkSync("./." + fn + "_nodejs.js");
+
+  return imp
+}
+
+var code_map_osx_to_win32 = include("osx2win32.js").default;
+var name_map_osx_to_win32 = include("osx2win32_name.js").default;
+
+var code_map_osx_to_xkb = include("osx2xkb.js").default;
+var name_map_osx_to_xkb = include("osx2xkb_name.js").default;
+
+var code_map_html_to_win32 = include("html2win32.js").default;
+var name_map_html_to_win32 = include("html2win32_name.js").default;
+
+var code_table_osx = include("osx.js").default;
+var name_table_osx = include("osx_name.js").default;
+
+assert.equal(code_map_osx_to_win32[0x1d], 0x30);
+assert.equal(name_map_osx_to_win32[0x1d], "VK_0");
+
+assert.equal(code_map_osx_to_xkb[0x1d], "AE10");
+assert.equal(name_map_osx_to_xkb[0x1d], "AE10");
+
+assert.equal(code_map_html_to_win32["ControlLeft"], 0x11);
+assert.equal(name_map_html_to_win32["ControlLeft"], "VK_CONTROL");
+
+assert.equal(code_table_osx[0x1d], 0x3b);
+assert.equal(name_table_osx[0x1d], "Control");
+
diff --git a/tools/keymap-gen b/tools/keymap-gen
index b59ba50..ae33f4d 100755
--- a/tools/keymap-gen
+++ b/tools/keymap-gen
@@ -636,6 +636,40 @@ class PerlLanguageGenerator(LanguageSrcGenerator):
     def _array_entry_name(self, index, value, comment):
         self._array_entry_code(index, value, comment)
 
+class JavaScriptLanguageGenerator(LanguageSrcGenerator):
+
+    def _boilerplate(self, lines):
+        print("/*")
+        for line in lines:
+            print(" * %s" % line)
+        print("*/")
+
+    def _array_start_code(self, varname, length, fromtype, totype):
+        print("export default {")
+
+    def _array_start_name(self, varname, length, fromtype):
+        print("export default {")
+
+    def _array_end(self):
+        print("};")
+
+    def _array_entry_code(self, index, value, comment):
+        if value is None:
+            return
+        if type(index) == int:
+            if type(value) == int:
+                print("  0x%x: 0x%x, /* %s */" % (index, value, comment))
+            else:
+                print("  0x%x: \"%s\", /* %s */" % (index, value, comment))
+        else:
+            if type(value) == int:
+                print("  \"%s\": 0x%x, /* %s */" % (index, value, comment))
+            else:
+                print("  \"%s\": \"%s\", /* %s */" % (index, value, comment))
+
+    def _array_entry_name(self, index, value, comment):
+        self._array_entry_code(index, value, comment)
+
 class PodLanguageGenerator(LanguageDocGenerator):
 
     def _boilerplate(self, lines):
@@ -683,6 +717,7 @@ SRC_GENERATORS = {
     "python2": PythonLanguageGenerator(),
     "python3": PythonLanguageGenerator(),
     "perl": PerlLanguageGenerator(),
+    "js": JavaScriptLanguageGenerator(),
 }
 DOC_GENERATORS = {
     "pod": PodLanguageGenerator(),