[Vue] Add support for scoped styles (though they will not be able to access theme variables). (#18287)

* Add support for scoped styles (though they will not be able to access theme variables).

* add scoped style example to ExampleComponent.vue

1 files changed, 319 insertions, 2 deletions

diff --git a/package-lock.json b/package-lock.json
index 3bea917a41..793914e3b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "matomo",
       "version": "1.0.0",
       "license": "GPL-3.0+",
       "dependencies": {
@@ -51,6 +52,8 @@
         "eslint": "^6.8.0",
         "eslint-plugin-import": "^2.24.2",
         "eslint-plugin-vue": "^7.16.0",
+        "less": "^4.1.2",
+        "less-loader": "^7.3.0",
         "nock": "^13.1.4",
         "ts-jest": "^26.5.6",
         "typescript": "^4.3.5",
@@ -13413,6 +13416,15 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
       "dev": true
     },
+    "node_modules/copy-anything": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-2.0.3.tgz",
+      "integrity": "sha512-GK6QUtisv4fNS+XcI7shX0Gx9ORg7QqIznyfho79JTnX1XhLiyZHfftvGiziqzRiEi/Bjhgpi+D2o7HxJFPnDQ==",
+      "dev": true,
+      "dependencies": {
+        "is-what": "^3.12.0"
+      }
+    },
     "node_modules/copy-concurrently": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -18119,6 +18131,19 @@
         "node": ">= 4"
       }
     },
+    "node_modules/image-size": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/image-size/-/image-size-0.5.5.tgz",
+      "integrity": "sha1-Cd/Uq50g4p6xw+gLiZA3jfnjy5w=",
+      "dev": true,
+      "optional": true,
+      "bin": {
+        "image-size": "bin/image-size.js"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/import-cwd": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-cwd/-/import-cwd-2.1.0.tgz",
@@ -18819,6 +18844,12 @@
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
       "dev": true
     },
+    "node_modules/is-what": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/is-what/-/is-what-3.14.1.tgz",
+      "integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA==",
+      "dev": true
+    },
     "node_modules/is-whitespace": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/is-whitespace/-/is-whitespace-0.3.0.tgz",
@@ -23862,6 +23893,15 @@
         "node": ">=6"
       }
     },
+    "node_modules/klona": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/klona/-/klona-2.0.5.tgz",
+      "integrity": "sha512-pJiBpiXMbt7dkzXe8Ghj/u4FfXOOa98fPW+bihOJ4SjnoijweJrNThJfd3ifXpXhREjpoF2mZVH1GfS9LV3kHQ==",
+      "dev": true,
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/launch-editor": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/launch-editor/-/launch-editor-2.2.1.tgz",
@@ -23950,6 +23990,113 @@
       "deprecated": "use String.prototype.padStart()",
       "dev": true
     },
+    "node_modules/less": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/less/-/less-4.1.2.tgz",
+      "integrity": "sha512-EoQp/Et7OSOVu0aJknJOtlXZsnr8XE8KwuzTHOLeVSEx8pVWUICc8Q0VYRHgzyjX78nMEyC/oztWFbgyhtNfDA==",
+      "dev": true,
+      "dependencies": {
+        "copy-anything": "^2.0.1",
+        "parse-node-version": "^1.0.1",
+        "tslib": "^2.3.0"
+      },
+      "bin": {
+        "lessc": "bin/lessc"
+      },
+      "engines": {
+        "node": ">=6"
+      },
+      "optionalDependencies": {
+        "errno": "^0.1.1",
+        "graceful-fs": "^4.1.2",
+        "image-size": "~0.5.0",
+        "make-dir": "^2.1.0",
+        "mime": "^1.4.1",
+        "needle": "^2.5.2",
+        "source-map": "~0.6.0"
+      }
+    },
+    "node_modules/less-loader": {
+      "version": "7.3.0",
+      "resolved": "https://registry.npmjs.org/less-loader/-/less-loader-7.3.0.tgz",
+      "integrity": "sha512-Mi8915g7NMaLlgi77mgTTQvK022xKRQBIVDSyfl3ErTuBhmZBQab0mjeJjNNqGbdR+qrfTleKXqbGI4uEFavxg==",
+      "dev": true,
+      "dependencies": {
+        "klona": "^2.0.4",
+        "loader-utils": "^2.0.0",
+        "schema-utils": "^3.0.0"
+      },
+      "engines": {
+        "node": ">= 10.13.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      },
+      "peerDependencies": {
+        "less": "^3.5.0 || ^4.0.0",
+        "webpack": "^4.0.0 || ^5.0.0"
+      }
+    },
+    "node_modules/less-loader/node_modules/json5": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
+      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+      "dev": true,
+      "dependencies": {
+        "minimist": "^1.2.5"
+      },
+      "bin": {
+        "json5": "lib/cli.js"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/less-loader/node_modules/loader-utils": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.2.tgz",
+      "integrity": "sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==",
+      "dev": true,
+      "dependencies": {
+        "big.js": "^5.2.2",
+        "emojis-list": "^3.0.0",
+        "json5": "^2.1.2"
+      },
+      "engines": {
+        "node": ">=8.9.0"
+      }
+    },
+    "node_modules/less/node_modules/make-dir": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+      "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+      "dev": true,
+      "optional": true,
+      "dependencies": {
+        "pify": "^4.0.1",
+        "semver": "^5.6.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/less/node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true,
+      "optional": true,
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
+    "node_modules/less/node_modules/tslib": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
+      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==",
+      "dev": true
+    },
     "node_modules/leven": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/leven/-/leven-3.1.0.tgz",
@@ -24714,6 +24861,34 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "node_modules/needle": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/needle/-/needle-2.9.1.tgz",
+      "integrity": "sha512-6R9fqJ5Zcmf+uYaFgdIHmLwNldn5HbK8L5ybn7Uz+ylX/rnOsSp1AHcvQSrCaFN+qNM1wpymHqD7mVasEOlHGQ==",
+      "dev": true,
+      "optional": true,
+      "dependencies": {
+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
+      },
+      "bin": {
+        "needle": "bin/needle"
+      },
+      "engines": {
+        "node": ">= 4.4.x"
+      }
+    },
+    "node_modules/needle/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dev": true,
+      "optional": true,
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
     "node_modules/negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
@@ -25695,6 +25870,15 @@
         "node": ">=4"
       }
     },
+    "node_modules/parse-node-version": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/parse-node-version/-/parse-node-version-1.0.1.tgz",
+      "integrity": "sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/parse5": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
@@ -30632,7 +30816,6 @@
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.1.1.tgz",
       "integrity": "sha512-Y5PQxS4ITlC+EahLuXaY86TXfR7Dc5lw294alXOq86JAHCihAIZfqv8nNCWvaEJvaC51uN9hbLGeV0cFBdH+Fw==",
-      "peer": true,
       "dependencies": {
         "@types/json-schema": "^7.0.8",
         "ajv": "^6.12.5",
@@ -45311,6 +45494,15 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
       "dev": true
     },
+    "copy-anything": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-2.0.3.tgz",
+      "integrity": "sha512-GK6QUtisv4fNS+XcI7shX0Gx9ORg7QqIznyfho79JTnX1XhLiyZHfftvGiziqzRiEi/Bjhgpi+D2o7HxJFPnDQ==",
+      "dev": true,
+      "requires": {
+        "is-what": "^3.12.0"
+      }
+    },
     "copy-concurrently": {
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       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -49068,6 +49260,13 @@
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+    "image-size": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/image-size/-/image-size-0.5.5.tgz",
+      "integrity": "sha1-Cd/Uq50g4p6xw+gLiZA3jfnjy5w=",
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+    },
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@@ -49580,6 +49779,12 @@
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       "dev": true
     },
+    "is-what": {
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/is-what/-/is-what-3.14.1.tgz",
+      "integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA==",
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+    },
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@@ -53731,6 +53936,12 @@
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       "dev": true
     },
+    "klona": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/klona/-/klona-2.0.5.tgz",
+      "integrity": "sha512-pJiBpiXMbt7dkzXe8Ghj/u4FfXOOa98fPW+bihOJ4SjnoijweJrNThJfd3ifXpXhREjpoF2mZVH1GfS9LV3kHQ==",
+      "dev": true
+    },
     "launch-editor": {
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@@ -53808,6 +54019,83 @@
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+    "less": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/less/-/less-4.1.2.tgz",
+      "integrity": "sha512-EoQp/Et7OSOVu0aJknJOtlXZsnr8XE8KwuzTHOLeVSEx8pVWUICc8Q0VYRHgzyjX78nMEyC/oztWFbgyhtNfDA==",
+      "dev": true,
+      "requires": {
+        "copy-anything": "^2.0.1",
+        "errno": "^0.1.1",
+        "graceful-fs": "^4.1.2",
+        "image-size": "~0.5.0",
+        "make-dir": "^2.1.0",
+        "mime": "^1.4.1",
+        "needle": "^2.5.2",
+        "parse-node-version": "^1.0.1",
+        "source-map": "~0.6.0",
+        "tslib": "^2.3.0"
+      },
+      "dependencies": {
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+          "dev": true,
+          "optional": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
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+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
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+      "requires": {
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+        "loader-utils": "^2.0.0",
+        "schema-utils": "^3.0.0"
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+      "dependencies": {
+        "json5": {
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+          "dev": true,
+          "requires": {
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+          "integrity": "sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==",
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+      "optional": true,
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+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
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+        "debug": {
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+          "optional": true,
+          "requires": {
+            "ms": "^2.1.1"
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@@ -55224,6 +55536,12 @@
         "json-parse-better-errors": "^1.0.1"
       }
     },
+    "parse-node-version": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/parse-node-version/-/parse-node-version-1.0.1.tgz",
+      "integrity": "sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==",
+      "dev": true
+    },
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       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
@@ -59162,7 +59480,6 @@
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-      "peer": true,
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