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//
// This file contains stubs for a number of browser and chrome APIs which are missing in Deno.
//
window.document = {
createElement() {
return {};
},
addEventListener() {},
};
// There are 3 chrome.storage.* objects with identical APIs.
// - areaName: one of "local", "sync", "session".
const createStorageAPI = (areaName) => {
const storage = {
store: {},
async set(items) {
let key, value;
chrome.runtime.lastError = undefined;
for (key of Object.keys(items)) {
value = items[key];
this.store[key] = value;
}
for (key of Object.keys(items)) {
value = items[key];
window.chrome.storage.onChanged.call(key, value, areaName);
}
},
async get(keysArg) {
chrome.runtime.lastError = undefined;
if (keysArg == null) {
return globalThis.structuredClone(this.store);
} else if (typeof keysArg == "string") {
const result = {};
result[keysArg] = globalThis.structuredClone(this.store[keysArg]);
return result;
} else {
const result = {};
for (key of keysArg) {
result[key] = globalThis.structuredClone(this.store[key]);
}
return result;
}
},
async remove(key) {
chrome.runtime.lastError = undefined;
if (key in this.store) {
delete this.store[key];
}
window.chrome.storage.onChanged.callEmpty(key);
},
async clear() {
// TODO: Consider firing the change listener if Chrome's API implementation does.
this.store = {};
},
};
// The "session" storage has one API that the others don't.
if (areaName == "session") storage.setAccessLevel = () => {};
return storage;
};
window.chrome = {
areRunningVimiumTests: true,
runtime: {
getURL() {
return "";
},
getManifest() {
return { version: "1.2.3" };
},
onConnect: {
addListener() {
return true;
},
},
onMessage: {
addListener() {
return true;
},
},
onInstalled: {
addListener() {},
},
onStartup: {
addListener() {},
},
},
extension: {
getURL(path) {
return path;
},
getBackgroundPage() {
return {};
},
getViews() {
return [];
},
},
tabs: {
get(_id) {},
onUpdated: {
addListener() {
return true;
},
},
onAttached: {
addListener() {
return true;
},
},
onMoved: {
addListener() {
return true;
},
},
onRemoved: {
addListener() {
return true;
},
},
onActivated: {
addListener() {
return true;
},
},
onReplaced: {
addListener() {
return true;
},
},
query() {
return true;
},
sendMessage(_id, _properties) {},
update(_id, _properties) {},
},
webNavigation: {
onHistoryStateUpdated: {
addListener() {},
},
onReferenceFragmentUpdated: {
addListener() {},
},
onCommitted: {
addListener() {},
},
},
windows: {
onRemoved: {
addListener() {
return true;
},
},
getAll() {
return true;
},
getCurrent() {
return {};
},
onFocusChanged: {
addListener() {
return true;
},
},
update(_id, _properties) {},
},
browserAction: {
setBadgeBackgroundColor() {},
},
sessions: {
MAX_SESSION_RESULTS: 25,
},
storage: {
onChanged: {
addListener(func) {
this.func = func;
},
// Fake a callback from chrome.storage.sync.
call(key, value, area) {
chrome.runtime.lastError = undefined;
const key_value = {};
key_value[key] = { newValue: value };
if (this.func) return this.func(key_value, area);
},
callEmpty(key) {
chrome.runtime.lastError = undefined;
if (this.func) {
const items = {};
items[key] = {};
this.func(items, "sync");
}
},
},
local: createStorageAPI("sync"),
sync: createStorageAPI("sync"),
session: createStorageAPI("session"),
},
bookmarks: {
getTree: () => [],
},
};
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