Target NodeJS 10 and minified browser bundle

We release with Node 10 currently, so we should use that. The browser bundle is minfied because we want to keep it, so we might as well shave about 1mb off of it.

.babelrc

@@ -3,10 +3,7 @@
     "presets": [
         ["@babel/preset-env", {
             "targets": {
-                "browsers": [
-                    "last 2 versions"
-                ],
-                "node": 12
+                "node": 10
             },
             "modules": "commonjs"
         }],

package.json

@@ -8,7 +8,7 @@
     "build": "yarn clean && git rev-parse HEAD > git-revision.txt && yarn build:compile && yarn build:compile-browser && yarn build:types",
     "build:types": "tsc --emitDeclarationOnly",
     "build:compile": "babel src -s -d lib --verbose --extensions \".ts,.js\"",
-    "build:compile-browser": "mkdirp dist && browserify -d src/browser-index.js -p [ tsify -p ./tsconfig.json ] -t [ babelify --sourceMaps=inline ] > dist/browser-matrix.js",
+    "build:compile-browser": "mkdirp dist && browserify -d src/browser-index.js -p [ tsify -p ./tsconfig.json ] -t [ babelify --sourceMaps=inline ] -t uglifyify > dist/browser-matrix.js",
     "gendoc": "jsdoc -c jsdoc.json -P package.json",
     "lint": "yarn lint:types && yarn lint:ts && yarn lint:js",
     "lint:js": "eslint --max-warnings 93 src spec",
@@ -79,7 +79,8 @@
     "source-map-support": "^0.5.13",
     "tsify": "^4.0.1",
     "tslint": "^5.20.1",
-    "typescript": "^3.7.3"
+    "typescript": "^3.7.3",
+    "uglifyify": "^5.0.2"
   },
   "jest": {
     "testEnvironment": "node"

yarn.lock

@@ -5654,7 +5654,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.13, source-map-support@^0.5.16, source-map-support@^0.5.6:
+source-map-support@^0.5.13, source-map-support@^0.5.16, source-map-support@^0.5.6, source-map-support@~0.5.10:
   version "0.5.16"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
   integrity sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==
@@ -5955,6 +5955,15 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
+terser@^3.7.5:
+  version "3.17.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-3.17.0.tgz#f88ffbeda0deb5637f9d24b0da66f4e15ab10cb2"
+  integrity sha512-/FQzzPJmCpjAH9Xvk2paiWrFq+5M6aVOf+2KRbwhByISDX/EujxsK+BAvrhb6H+2rtrLCHK9N01wO014vrIwVQ==
+  dependencies:
+    commander "^2.19.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.10"
+
 test-exclude@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.2.3.tgz#c3d3e1e311eb7ee405e092dac10aefd09091eac0"
@@ -5983,7 +5992,7 @@ through2@^2.0.0:
     readable-stream "~2.3.6"
     xtend "~4.0.1"
 
-"through@>=2.2.7 <3", through@^2.3.6:
+"through@>=2.2.7 <3", through@^2.3.6, through@~2.3.4:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
@@ -6202,6 +6211,17 @@ uglify-to-browserify@~1.0.0:
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
   integrity sha1-bgkk1r2mta/jSeOabWMoUKD4grc=
 
+uglifyify@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/uglifyify/-/uglifyify-5.0.2.tgz#7d0269885e09faa963208a9ec6721afcaf45fc50"
+  integrity sha512-NcSk6pgoC+IgwZZ2tVLVHq+VNKSvLPlLkF5oUiHPVOJI0s/OlSVYEGXG9PCAH0hcyFZLyvt4KBdPAQBRlVDn1Q==
+  dependencies:
+    convert-source-map "~1.1.0"
+    minimatch "^3.0.2"
+    terser "^3.7.5"
+    through "~2.3.4"
+    xtend "^4.0.1"
+
 umd@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.3.tgz#aa9fe653c42b9097678489c01000acb69f0b26cf"