Use source-map-loader for more fine-grained sourcemaps. (#1666)

package.json

@@ -68,6 +68,7 @@
     "slate-collapse-on-escape": "^0.6.0",
     "slate-soft-break": "^0.6.0",
     "slate-sugar": "^0.6.1",
+    "source-map-loader": "^0.2.3",
     "source-map-support": "^0.4.0",
     "style-loader": "^0.20.2",
     "to-camel-case": "^1.0.0",

support/rollup/factory.js

@@ -18,7 +18,6 @@ import { startCase } from 'lodash'
  */
 
 function configure(pkg, env, target) {
-  const isDev = env === 'development'
   const isProd = env === 'production'
   const isUmd = target === 'umd'
   const isModule = target === 'module'
@@ -106,13 +105,13 @@ function configure(pkg, env, target) {
         {
           file: `packages/${pkg.name}/${pkg.module}`,
           format: 'es',
-          sourcemap: isDev,
+          sourcemap: true,
         },
         {
           file: `packages/${pkg.name}/${pkg.main}`,
           format: 'cjs',
           exports: 'named',
-          sourcemap: isDev,
+          sourcemap: true,
         },
       ],
       // We need to explicitly state which modules are external, meaning that

support/webpack/config.js

@@ -25,6 +25,11 @@ const config = {
   },
   module: {
     rules: [
+      {
+        test: /\.js?$/,
+        use: 'source-map-loader',
+        enforce: 'pre',
+      },
       {
         test: /\.js?$/,
         use: {

yarn.lock

@@ -362,7 +362,7 @@ async@1.5.2, async@^1.4.0, async@^1.5.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2, async@^2.4.1:
+async@^2.1.2, async@^2.4.1, async@^2.5.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
   dependencies:
@@ -2732,7 +2732,7 @@ errno@^0.1.1, errno@~0.1.1:
   dependencies:
     prr "~1.0.1"
 
-errno@^0.1.3, errno@^0.1.4:
+errno@^0.1.3:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
   dependencies:
@@ -4925,7 +4925,7 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
-loader-utils@^0.2.15, loader-utils@^0.2.16:
+loader-utils@^0.2.15, loader-utils@^0.2.16, loader-utils@~0.2.2:
   version "0.2.17"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
   dependencies:
@@ -7117,7 +7117,7 @@ schema-utils@^0.3.0:
   dependencies:
     ajv "^5.0.0"
 
-schema-utils@^0.4.2, schema-utils@^0.4.3:
+schema-utils@^0.4.3:
   version "0.4.5"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.5.tgz#21836f0608aac17b78f9e3e24daff14a5ca13a3e"
   dependencies:
@@ -7372,6 +7372,14 @@ source-list-map@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
 
+source-map-loader@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-0.2.3.tgz#d4b0c8cd47d54edce3e6bfa0f523f452b5b0e521"
+  dependencies:
+    async "^2.5.0"
+    loader-utils "~0.2.2"
+    source-map "~0.6.1"
+
 source-map-resolve@^0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.1.tgz#7ad0f593f2281598e854df80f19aae4b92d7a11a"
@@ -7993,13 +8001,6 @@ ua-parser-js@^0.7.9:
   version "0.7.12"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
 
-uglify-es@^3.3.4:
-  version "3.3.9"
-  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"
-  dependencies:
-    commander "~2.13.0"
-    source-map "~0.6.1"
-
 uglify-es@^3.3.7:
   version "3.3.8"
   resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.8.tgz#f2c68e6cff0d0f9dc9577e4da207151c2e753b7e"
@@ -8035,19 +8036,6 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
-uglifyjs-webpack-plugin@^1.1.8:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.8.tgz#1302fb9471a7daf3d0a5174da6d65f0f415e75ad"
-  dependencies:
-    cacache "^10.0.1"
-    find-cache-dir "^1.0.0"
-    schema-utils "^0.4.2"
-    serialize-javascript "^1.4.0"
-    source-map "^0.6.1"
-    uglify-es "^3.3.4"
-    webpack-sources "^1.1.0"
-    worker-farm "^1.5.2"
-
 uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
@@ -8327,7 +8315,7 @@ webpack-dev-server@^2.11.1:
     webpack-dev-middleware "1.12.2"
     yargs "6.6.0"
 
-webpack-sources@^1.0.1, webpack-sources@^1.1.0:
+webpack-sources@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
   dependencies:
@@ -8430,13 +8418,6 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
-worker-farm@^1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.2.tgz#32b312e5dc3d5d45d79ef44acc2587491cd729ae"
-  dependencies:
-    errno "^0.1.4"
-    xtend "^4.0.1"
-
 wrap-ansi@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
@@ -8496,7 +8477,7 @@ xtend@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.2.0.tgz#eef6b1f198c1c8deafad8b1765a04dad4a01c5a9"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"