port_for_chromium

reader.js

@@ -1,7 +1,86 @@
 // Copyright 2017; Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0
 
 'use strict';
+if (typeof globalThis.browser === "undefined" && typeof chrome !== "undefined") {
+    globalThis.browser = {
+        ...chrome,
 
+        runtime: {
+            ...chrome.runtime,
+
+            sendMessage: function(message) {
+                return new Promise((resolve, reject) => {
+                    chrome.runtime.sendMessage(message, response => {
+                        const err = chrome.runtime.lastError;
+                        if (err) {
+                            reject(err);
+                        } else {
+                            resolve(response);
+                        }
+                    });
+                });
+            },
+
+            getURL: chrome.runtime.getURL.bind(chrome.runtime),
+
+            onMessage: chrome.runtime.onMessage
+        },
+
+        storage: {
+            ...chrome.storage,
+
+            local: {
+                ...chrome.storage.local,
+
+                get: function(keys) {
+                    return new Promise((resolve, reject) => {
+                        chrome.storage.local.get(keys, result => {
+                            const err = chrome.runtime.lastError;
+                            if (err) {
+                                reject(err);
+                            } else {
+                                resolve(result);
+                            }
+                        });
+                    });
+                },
+
+                set: function(items) {
+                    return new Promise((resolve, reject) => {
+                        chrome.storage.local.set(items, () => {
+                            const err = chrome.runtime.lastError;
+                            if (err) {
+                                reject(err);
+                            } else {
+                                resolve();
+                            }
+                        });
+                    });
+                },
+
+                remove: function(keys) {
+                    return new Promise((resolve, reject) => {
+                        chrome.storage.local.remove(keys, () => {
+                            const err = chrome.runtime.lastError;
+                            if (err) {
+                                reject(err);
+                            } else {
+                                resolve();
+                            }
+                        });
+                    });
+                }
+            },
+
+            onChanged: chrome.storage.onChanged
+        },
+
+        extension: {
+            ...chrome.extension,
+            getURL: chrome.runtime.getURL.bind(chrome.runtime)
+        }
+    };
+}
 // we only use a tiny number of settings here
 
 let reader_settings = {