Revert to older webpack-uglifyjs-plugin to unbreak build (#565)

* Revert "Update uglifyjs-webpack-plugin to the latest version 🚀 (#545)"

This reverts commit 15d8137f6c.

* update package-lock.json

package-lock.json

@@ -2234,13 +2234,11 @@
             },
             "balanced-match": {
               "version": "1.0.0",
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+              "bundled": true
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               "version": "1.1.11",
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@@ -2253,18 +2251,15 @@
             },
             "code-point-at": {
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+              "bundled": true
-              "optional": true
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             "concat-map": {
               "version": "0.0.1",
-              "bundled": true,
+              "bundled": true
-              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
-              "bundled": true,
+              "bundled": true
-              "optional": true
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             "core-util-is": {
               "version": "1.0.2",
@@ -2367,8 +2362,7 @@
             },
             "inherits": {
               "version": "2.0.3",
-              "bundled": true,
+              "bundled": true
-              "optional": true
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               "version": "1.3.5",
@@ -2378,7 +2372,6 @@
             "is-fullwidth-code-point": {
               "version": "1.0.0",
               "bundled": true,
-              "optional": true,
               "requires": {
                 "number-is-nan": "1.0.1"
               }
@@ -2391,20 +2384,17 @@
             "minimatch": {
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               "bundled": true,
-              "optional": true,
               "requires": {
                 "brace-expansion": "1.1.11"
               }
             },
             "minimist": {
               "version": "0.0.8",
-              "bundled": true,
+              "bundled": true
-              "optional": true
             },
             "minipass": {
               "version": "2.2.4",
               "bundled": true,
-              "optional": true,
               "requires": {
                 "safe-buffer": "5.1.1",
                 "yallist": "3.0.2"
@@ -2421,7 +2411,6 @@
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
-              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -2494,8 +2483,7 @@
             },
             "number-is-nan": {
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-              "bundled": true,
+              "bundled": true
-              "optional": true
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@@ -2505,7 +2493,6 @@
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               "bundled": true,
-              "optional": true,
               "requires": {
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@@ -2611,7 +2598,6 @@
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-              "optional": true,
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                 "is-fullwidth-code-point": "1.0.0",
@@ -2917,10 +2903,10 @@
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       "requires": {
-        "buffer-from": "^1.0.0",
+        "buffer-from": "1.0.0",
-        "inherits": "^2.0.3",
+        "inherits": "2.0.3",
-        "readable-stream": "^2.2.2",
+        "readable-stream": "2.3.3",
-        "typedarray": "^0.0.6"
+        "typedarray": "0.0.6"
       }
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     "connected-domain": {
@@ -5038,11 +5024,6 @@
       "resolved": "https://registry.npmjs.org/fg-loadcss/-/fg-loadcss-2.0.1.tgz",
       "integrity": "sha512-gFtSJjMMt9it0OhXz4wJQT46/LFUrJ2Db6U/fLtwClBEMEEjmVPSWSYrbGCyFwy47Cd4ULOpR+HSWXVkUKciaQ=="
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-    "figgy-pudding": {
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-      "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.1.tgz",
-      "integrity": "sha512-vNKxJHTEKNThjfrdJwHc7brvM6eVevuO5nTj6ez8ZQ1qbXTvGthucRF7S4vf2cr71QVnT70V34v0S1DyQsti0w=="
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       "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
@@ -5486,7 +5467,6 @@
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-          "optional": true,
           "requires": {
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           }
@@ -5508,8 +5488,7 @@
         },
         "buffer-shims": {
           "version": "1.0.0",
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+          "bundled": true
-          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -5523,13 +5502,11 @@
         },
         "code-point-at": {
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+          "bundled": true
-          "optional": true
         },
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           "bundled": true,
-          "optional": true,
           "requires": {
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           }
@@ -5540,18 +5517,15 @@
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true,
+          "bundled": true
-          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
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+          "bundled": true
-          "optional": true
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@@ -5586,8 +5560,7 @@
         },
         "delayed-stream": {
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+          "bundled": true
-          "optional": true
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@@ -5614,8 +5587,7 @@
         },
         "extsprintf": {
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+          "bundled": true
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@@ -5724,7 +5696,6 @@
         "hawk": {
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@@ -5766,7 +5737,6 @@
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-          "optional": true,
           "requires": {
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           }
@@ -5778,8 +5748,7 @@
         },
         "isarray": {
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+          "bundled": true
-          "optional": true
         },
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           "version": "0.1.2",
@@ -5842,13 +5811,11 @@
         },
         "mime-db": {
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+          "bundled": true
-          "optional": true
         },
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           "bundled": true,
-          "optional": true,
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@@ -5916,8 +5883,7 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true,
+          "bundled": true
-          "optional": true
         },
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@@ -5966,8 +5932,7 @@
         },
         "process-nextick-args": {
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+          "bundled": true
-          "optional": true
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@@ -6000,7 +5965,6 @@
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-          "optional": true,
           "requires": {
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             "core-util-is": "1.0.2",
@@ -6049,8 +6013,7 @@
         },
         "safe-buffer": {
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+          "bundled": true
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@@ -6070,7 +6033,6 @@
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@@ -6101,7 +6063,6 @@
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@@ -6111,7 +6072,6 @@
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@@ -6136,7 +6096,6 @@
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@@ -6186,8 +6145,7 @@
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+          "bundled": true
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@@ -12181,173 +12139,24 @@
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+      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-2.0.0.tgz",
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-        "uglify-js": "^3.4.9",
+        "uglify-es": "^3.3.4",
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@@ -12694,26 +12503,6 @@
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       }
     },

package.json

@@ -95,7 +95,7 @@
     "svgo": "^1.0.5",
     "timeago.js": "^3.0.2",
     "tiny-queue": "^0.2.1",
-    "uglifyjs-webpack-plugin": "^2.0.0",
+    "uglifyjs-webpack-plugin": "^1.3.0",
     "web-animations-js": "^2.3.1",
     "webpack": "^4.17.1",
     "webpack-bundle-analyzer": "^3.0.0",