refactor: install browserlist config package

Makefile

@@ -14,7 +14,7 @@ tx_url2 = https://www.transifex.com/api/2/project/edx-platform/resource/$(transi
 # This directory must match .babelrc .
 transifex_temp = ./temp/babel-plugin-react-intl
 
-NPM_TESTS=build i18n_extract lint test is-es5
+NPM_TESTS=build i18n_extract lint test
 
 .PHONY: test
 test: $(addprefix test.npm.,$(NPM_TESTS))  ## validate ci suite

documentation/CI.md

@@ -25,10 +25,6 @@ This is important because `npm` uses the pinned dependencies in your `package-lo
 
 However, when these changes surface within a CI build, this indicates differing dependency expectations between the committed `package.json` file and the `package-lock.json` file, which is a good reason to fail a build.
 
-### What is this `npm run is-es5` check?
-
-This project outputs production files to the `dist` folder. The `npm script`, `npm run is-es5`, checks the JavaScript files in the `dist` folder to make sure that they are `ES5`-compliant.
-
 This check is important because `ES5` JavaScript has [greater browser compatibility](http://kangax.github.io/compat-table/es5/) than [`ES2015+`](http://kangax.github.io/compat-table/es6/) - particularly for `IE11`.
 
 ### `deploy` step

package-lock.json

@@ -10,6 +10,7 @@
       "license": "AGPL-3.0",
       "dependencies": {
         "@edx/brand": "npm:@edx/brand-edx.org@^1.3.2",
+        "@edx/browserslist-config": "^1.1.1",
         "@edx/frontend-component-footer": "^11.1.1",
         "@edx/frontend-component-header": "^3.1.1",
         "@edx/frontend-platform": "2.3.0",
@@ -51,7 +52,6 @@
         "axios": "0.21.1",
         "axios-mock-adapter": "^1.17.0",
         "enzyme-adapter-react-16": "^1.14.0",
-        "es-check": "^2.3.0",
         "fetch-mock": "^6.5.2",
         "husky": "2.7.0",
         "identity-obj-proxy": "^3.0.0",
@@ -1880,6 +1880,11 @@
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     },
+    "node_modules/@edx/browserslist-config": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@edx/browserslist-config/-/browserslist-config-1.1.1.tgz",
+      "integrity": "sha512-baLX2wxguWNXLIAi26l/iUIJoI9T8LVDH+8+3xP3HjFtWSCOVjz19sgxx4PlWwwMkbUkVmfuxrm2XVueqI6xLw=="
+    },
     "node_modules/@edx/eslint-config": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/@edx/eslint-config/-/eslint-config-2.0.0.tgz",
@@ -8749,12 +8754,6 @@
         "ajv": "^6.9.1"
       }
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-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/ansi/-/ansi-0.3.1.tgz",
-      "integrity": "sha1-DELU+xcWDVqa8eSEus4cZpIsGyE=",
-      "dev": true
-    },
     "node_modules/ansi-escapes": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.2.tgz",
@@ -8865,16 +8864,6 @@
         "node": ">=4"
       }
     },
-    "node_modules/are-we-there-yet": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
-      "integrity": "sha512-nxwy40TuMiUGqMyRHgCSWZ9FM4VAoRP4xUYSTv5ImRog+h9yISPbVH7H8fASCIzYn9wlEv4zvFL7uKDMCFQm3g==",
-      "dev": true,
-      "dependencies": {
-        "delegates": "^1.0.0",
-        "readable-stream": "^2.0.6"
-      }
-    },
     "node_modules/argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -10817,84 +10806,6 @@
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-      "resolved": "https://registry.npmjs.org/caporal/-/caporal-0.10.0.tgz",
-      "integrity": "sha512-Df9b3SxFqXkdvFdc/i4fNU2wFGYezSKTkENew9txshZhfazE8Ts70OKDmhOD7NRJjz81Xd9Jb+wF9XeqM20WsA==",
-      "dev": true,
-      "hasInstallScript": true,
-      "dependencies": {
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-        "chalk": "^1.1.3",
-        "cli-table2": "^0.2.0",
-        "fast-levenshtein": "^2.0.6",
-        "lodash.camelcase": "^4.3.0",
-        "lodash.kebabcase": "^4.1.1",
-        "lodash.merge": "^4.6.0",
-        "micromist": "^1.0.1",
-        "prettyjson": "^1.2.1",
-        "tabtab": "^2.2.2",
-        "winston": "^2.3.1"
-      },
-      "engines": {
-        "node": ">= 4.4.5"
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-    "node_modules/caporal/node_modules/ansi-regex": {
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-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
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-    },
-    "node_modules/caporal/node_modules/ansi-styles": {
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-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true,
-      "engines": {
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-    "node_modules/caporal/node_modules/chalk": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-      "dev": true,
-      "dependencies": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/caporal/node_modules/strip-ansi": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-      "dev": true,
-      "dependencies": {
-        "ansi-regex": "^2.0.0"
-      },
-      "engines": {
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-    "node_modules/caporal/node_modules/supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-      "dev": true,
-      "engines": {
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     "node_modules/capture-exit": {
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@@ -11242,25 +11153,6 @@
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-      "resolved": "https://registry.npmjs.org/cli-table2/-/cli-table2-0.2.0.tgz",
-      "integrity": "sha1-LR738hig54biFFQFYtS9F3/jLZc=",
-      "dev": true,
-      "dependencies": {
-        "lodash": "^3.10.1",
-        "string-width": "^1.0.1"
-      },
-      "optionalDependencies": {
-        "colors": "^1.1.2"
-      }
-    },
-    "node_modules/cli-table2/node_modules/lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
-      "dev": true
-    },
     "node_modules/cli-table3": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/cli-table3/-/cli-table3-0.6.1.tgz",
@@ -11442,15 +11334,6 @@
         "node": ">= 0.12.0"
       }
     },
-    "node_modules/code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true,
-      "engines": {
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-      }
-    },
     "node_modules/collect-v8-coverage": {
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       "resolved": "https://registry.npmjs.org/collect-v8-coverage/-/collect-v8-coverage-1.0.1.tgz",
@@ -11502,6 +11385,7 @@
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       "dev": true,
+      "optional": true,
       "engines": {
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       }
@@ -11614,21 +11498,6 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
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-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
-      "dev": true,
-      "engines": [
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-        "inherits": "^2.0.3",
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     "node_modules/config-chain": {
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       "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.13.tgz",
@@ -12171,15 +12040,6 @@
         "url": "https://github.com/imagemin/cwebp-bin?sponsor=1"
       }
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-      "dev": true,
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     "node_modules/damerau-levenshtein": {
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@@ -12729,12 +12589,6 @@
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-      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
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     "node_modules/depd": {
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@@ -13564,23 +13418,6 @@
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     },
-    "node_modules/es-check": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/es-check/-/es-check-2.3.0.tgz",
-      "integrity": "sha512-12KfOJdPS/hiVpMvOlPLa8PiMmDNWJ9NRL3ZSr7VKykZP2T6An55YEdvcVFO7JkfEhmK1vyS9j2NXm2SMWypuA==",
-      "dev": true,
-      "dependencies": {
-        "acorn": "~5.7.0",
-        "caporal": "^0.10.0",
-        "glob": "^7.1.2"
-      },
-      "bin": {
-        "es-check": "index.js"
-      },
-      "engines": {
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     "node_modules/es-module-lexer": {
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@@ -14330,15 +14167,6 @@
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-      "dev": true,
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@@ -14774,15 +14602,6 @@
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-      "dev": true,
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@@ -15389,19 +15208,6 @@
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-      "dev": true,
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@@ -16040,12 +15846,6 @@
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@@ -17825,18 +17625,6 @@
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@@ -26278,15 +26007,6 @@
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-          "integrity": "sha1-NGYfRohjJ/7SmRR5FSJS35LapUE=",
-          "dev": true,
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-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
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-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
-        },
-        "tmp": {
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-          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.29.tgz",
-          "integrity": "sha1-8lEl/w3Z2jzLDC3Tce4SiLuRKMA=",
-          "dev": true,
-          "requires": {
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     "tapable": {
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       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.1.tgz",
@@ -60244,12 +59189,6 @@
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     },
-    "typedarray": {
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-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
@@ -61344,34 +60283,6 @@
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       "dev": true
     },
-    "winston": {
-      "version": "2.4.5",
-      "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.5.tgz",
-      "integrity": "sha512-TWoamHt5yYvsMarGlGEQE59SbJHqGsZV8/lwC+iCcGeAe0vUaOh+Lv6SYM17ouzC/a/LB1/hz/7sxFBtlu1l4A==",
-      "dev": true,
-      "requires": {
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-        "colors": "1.0.x",
-        "cycle": "1.0.x",
-        "eyes": "0.1.x",
-        "isstream": "0.1.x",
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package.json

@@ -8,7 +8,6 @@
   },
   "scripts": {
     "build": "fedx-scripts webpack",
-    "is-es5": "es-check es5 ./dist/*.js",
     "i18n_extract": "BABEL_ENV=i18n fedx-scripts babel src --quiet > /dev/null",
     "lint": "fedx-scripts eslint --ext .jsx,.js src/",
     "lint-fix": "fedx-scripts eslint --fix --ext .jsx,.js src/",
@@ -25,12 +24,11 @@
     "access": "public"
   },
   "browserslist": [
-    "last 2 versions",
-    "not ie > 0",
-    "not ie_mob > 0"
+    "extends @edx/browserslist-config"
   ],
   "dependencies": {
     "@edx/brand": "npm:@edx/brand-edx.org@^1.3.2",
+    "@edx/browserslist-config": "^1.1.1",
     "@edx/frontend-component-footer": "^11.1.1",
     "@edx/frontend-component-header": "^3.1.1",
     "@edx/frontend-platform": "2.3.0",
@@ -72,7 +70,6 @@
     "axios": "0.21.1",
     "axios-mock-adapter": "^1.17.0",
     "enzyme-adapter-react-16": "^1.14.0",
-    "es-check": "^2.3.0",
     "fetch-mock": "^6.5.2",
     "husky": "2.7.0",
     "identity-obj-proxy": "^3.0.0",