build: move named char references to json file to speed up build

package.json

@@ -37,6 +37,7 @@
     "prettier": "~1.14.0",
     "rollup": "^1.19.4",
     "rollup-plugin-alias": "^2.0.0",
+    "rollup-plugin-json": "^4.0.0",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-terser": "^5.1.1",
     "rollup-plugin-typescript2": "^0.24.0",

rollup.config.js

@@ -3,6 +3,7 @@ const path = require('path')
 const ts = require('rollup-plugin-typescript2')
 const replace = require('rollup-plugin-replace')
 const alias = require('rollup-plugin-alias')
+const json = require('rollup-plugin-json')
 
 if (!process.env.TARGET) {
   throw new Error('TARGET package must be specified via --environment flag.')
@@ -110,6 +111,9 @@ function createConfig(output, plugins = []) {
     // used alone.
     external: isGlobalBuild || isBrowserESMBuild ? [] : externals,
     plugins: [
+      json({
+        namedExports: false
+      }),
       tsPlugin,
       aliasPlugin,
       createReplacePlugin(

tsconfig.json

@@ -12,6 +12,7 @@
     "noImplicitAny": true,
     "noImplicitThis": true,
     "experimentalDecorators": true,
+    "resolveJsonModule": true,
     "esModuleInterop": true,
     "removeComments": false,
     "jsx": "react",

yarn.lock

@@ -6147,6 +6147,13 @@ rollup-plugin-alias@^2.0.0:
   dependencies:
     slash "^3.0.0"
 
+rollup-plugin-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-json/-/rollup-plugin-json-4.0.0.tgz#a18da0a4b30bf5ca1ee76ddb1422afbb84ae2b9e"
+  integrity sha512-hgb8N7Cgfw5SZAkb3jf0QXii6QX/FOkiIq2M7BAQIEydjHvTyxXHQiIzZaTFgx1GK0cRCHOCBHIyEkkLdWKxow==
+  dependencies:
+    rollup-pluginutils "^2.5.0"
+
 rollup-plugin-replace@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-replace/-/rollup-plugin-replace-2.2.0.tgz#f41ae5372e11e7a217cde349c8b5d5fd115e70e3"
@@ -6184,6 +6191,13 @@ rollup-pluginutils@2.8.1, rollup-pluginutils@^2.6.0, rollup-pluginutils@^2.8.1:
   dependencies:
     estree-walker "^0.6.1"
 
+rollup-pluginutils@^2.5.0:
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.8.2.tgz#72f2af0748b592364dbd3389e600e5a9444a351e"
+  integrity sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==
+  dependencies:
+    estree-walker "^0.6.1"
+
 rollup@^1.19.4:
   version "1.21.4"
   resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.21.4.tgz#00a41a30f90095db890301b226cbe2918e4cf54d"