3 files changed, 40 insertions, 27 deletions

diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index f08f22da..a3382398 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -25,7 +25,7 @@ class DisplaySearch extends Display {
         this.query = $('#query').on('input', this.onSearchInput.bind(this));
         this.intro = $('#intro');
 
-        this.dependencies = {...this.dependencies, ...{docRangeFromPoint, docSentenceExtract}};
+        this.dependencies = Object.assign({}, this.dependencies, {docRangeFromPoint, docSentenceExtract});
 
         window.wanakana.bind(this.query.get(0));
     }
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index 75082f3e..cdcdae77 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -116,7 +116,7 @@ async function formMainDictionaryOptionsPopulate(options) {
     select.append($('<option class="text-muted" value="">Not selected</option>'));
 
     let mainDictionary = '';
-    for (const dictRow of await utilDatabaseSummarize()) {
+    for (const dictRow of toIterable(await utilDatabaseSummarize())) {
         if (dictRow.sequenced) {
             select.append($(`<option value="${dictRow.title}">${dictRow.title}</option>`));
             if (dictRow.title === options.general.mainDictionary) {
@@ -314,12 +314,12 @@ async function dictionaryGroupsPopulate(options) {
     const dictGroups = $('#dict-groups').empty();
     const dictWarning = $('#dict-warning').hide();
 
-    const dictRows = await utilDatabaseSummarize();
+    const dictRows = toIterable(await utilDatabaseSummarize());
     if (dictRows.length === 0) {
         dictWarning.show();
     }
 
-    for (const dictRow of dictRowsSort(dictRows, options)) {
+    for (const dictRow of toIterable(dictRowsSort(dictRows, options))) {
         const dictOptions = options.dictionaries[dictRow.title] || {
             enabled: false,
             priority: 0,
@@ -581,26 +581,25 @@ async function onAnkiFieldTemplatesReset(e) {
  */
 
 async function getBrowser() {
-    if (typeof chrome !== "undefined") {
-        if (typeof browser !== "undefined") {
-            try {
-                const info = await browser.runtime.getBrowserInfo();
-                if (info.name === "Fennec") {
-                    return "firefox-mobile";
-                }
-            } catch (e) { }
-            return "firefox";
-        } else {
-            return "chrome";
-        }
+    if (EXTENSION_IS_BROWSER_EDGE) {
+        return 'edge';
+    }
+    if (typeof browser !== 'undefined') {
+        try {
+            const info = await browser.runtime.getBrowserInfo();
+            if (info.name === 'Fennec') {
+                return 'firefox-mobile';
+            }
+        } catch (e) { }
+        return 'firefox';
     } else {
-        return "edge";
+        return 'chrome';
     }
 }
 
 function storageBytesToLabeledString(size) {
     const base = 1000;
-    const labels = ["bytes", "KB", "MB", "GB"];
+    const labels = ['bytes', 'KB', 'MB', 'GB'];
     let labelIndex = 0;
     while (size >= base) {
         size /= base;
@@ -620,14 +619,14 @@ storageEstimate.mostRecent = null;
 
 async function storageInfoInitialize() {
     const browser = await getBrowser();
-    const container = document.querySelector("#storage-info");
-    container.setAttribute("data-browser", browser);
+    const container = document.querySelector('#storage-info');
+    container.setAttribute('data-browser', browser);
 
     await storageShowInfo();
 
-    container.classList.remove("storage-hidden");
+    container.classList.remove('storage-hidden');
 
-    document.querySelector("#storage-refresh").addEventListener('click', () => storageShowInfo(), false);
+    document.querySelector('#storage-refresh').addEventListener('click', () => storageShowInfo(), false);
 }
 
 async function storageUpdateStats() {
@@ -637,8 +636,8 @@ async function storageUpdateStats() {
     const valid = (estimate !== null);
 
     if (valid) {
-        document.querySelector("#storage-usage").textContent = storageBytesToLabeledString(estimate.usage);
-        document.querySelector("#storage-quota").textContent = storageBytesToLabeledString(estimate.quota);
+        document.querySelector('#storage-usage').textContent = storageBytesToLabeledString(estimate.usage);
+        document.querySelector('#storage-quota').textContent = storageBytesToLabeledString(estimate.quota);
     }
 
     storageUpdateStats.isUpdating = false;
@@ -650,8 +649,8 @@ async function storageShowInfo() {
     storageSpinnerShow(true);
 
     const valid = await storageUpdateStats();
-    document.querySelector("#storage-use").classList.toggle("storage-hidden", !valid);
-    document.querySelector("#storage-error").classList.toggle("storage-hidden", valid);
+    document.querySelector('#storage-use').classList.toggle('storage-hidden', !valid);
+    document.querySelector('#storage-error').classList.toggle('storage-hidden', valid);
 
     storageSpinnerShow(false);
 }
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index 34b06ddb..3dc7c900 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -87,6 +87,20 @@ function utilDatabasePurge() {
     return utilBackend().translator.database.purge();
 }
 
-function utilDatabaseImport(data, progress, exceptions) {
+async function utilDatabaseImport(data, progress, exceptions) {
+    // Edge cannot read data on the background page due to the File object
+    // being created from a different window. Read on the same page instead.
+    if (EXTENSION_IS_BROWSER_EDGE) {
+        data = await utilReadFile(data);
+    }
     return utilBackend().translator.database.importDictionary(data, progress, exceptions);
 }
+
+function utilReadFile(file) {
+    return new Promise((resolve, reject) => {
+        const reader = new FileReader();
+        reader.onload = () => resolve(reader.result);
+        reader.onerror = () => reject(reader.error);
+        reader.readAsBinaryString(file);
+    });
+}