Fix accept header when negotiating content

extension/package.json

@@ -30,7 +30,6 @@
     "react-dom": "^16.2.0"
   },
   "devDependencies": {
-    "@types/chai": "^4.1.7",
     "@types/chrome": "0.0.69",
     "@types/mocha": "^5.2.5",
     "@types/node": "10.11.0",
@@ -38,7 +37,6 @@
     "@types/react": "^16.4.6",
     "@types/react-dom": "^16.0.6",
     "awesome-typescript-loader": "^5.2.0",
-    "chai": "^4.2.0",
     "copy-webpack-plugin": "^4.5.2",
     "mocha": "^5.2.0",
     "source-map-loader": "^0.2.3",

extension/src/common/data.ts

@@ -334,7 +334,7 @@ export function getAcceptRdf(includeHTML: boolean): string {
       })
       .reduce((acc: string, mime: MimeInfo, index: number) => {
         if (acc.length === 0) return mime.mime;
-        return acc + ", " + mime.mime + ";q=" + (1 - 0.1 * index).toString();
+        return acc + ", " + mime.mime + ";q=" + (1 - 0.1 * index).toPrecision(2).toString();
       }, "") + (includeHTML ? ", text/html;q=0.1" : "")
   );
 }
@@ -1052,18 +1052,7 @@ export function checkCompliance(data: ResourceData): ComplianceWarning[] {
 export function tryNegotiateData(
   target: string
 ): Promise<DocumentSourceLinked> {
-  let accept = Object.keys(MIME)
-    .map(key => {
-      return MIME[key];
-    })
-    .sort((x: MimeInfo, y: MimeInfo) => {
-      return x.priority - y.priority;
-    })
-    .reduce((acc: string, mime: MimeInfo, index: number) => {
-      if (acc.length === 0) return mime.mime;
-      return acc + ", " + mime.mime + ";q=" + (1 - 0.1 * index).toString();
-    }, "");
-
+  let accept = getAcceptRdf(false);
   return new Promise(function(resolve, reject) {
     let xmlHttp = new XMLHttpRequest();
     xmlHttp.onreadystatechange = function() {