forked from mystiq/hydrogen-web
wip
This commit is contained in:
Bruno Windels
parent
d87444824d
commit
952f1abddf
7 changed files with 308 additions and 7 deletions
15
.editorconfig
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15
.editorconfig
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@ -0,0 +1,15 @@
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# top-most EditorConfig file
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root = true
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# Unix-style newlines with a newline ending every file
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[*]
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end_of_line = lf
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insert_final_newline = true
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charset = utf-8
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indent_style = space
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indent_size = 4
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# Matches multiple files with brace expansion notation
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# Set default charset
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# [*.{js,py}]
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@ -3,7 +3,7 @@ A javascript matrix client prototype, trying to minize RAM usage by offloading a
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## Status
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Sort of syncing, but not really yet.
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Syncing & storing rooms with state and timeline, next step is building minimal UI
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## Troubleshooting
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@ -14,3 +14,4 @@ You need to disable the browser cache to see your updated code when refreshing
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- store all fetched messages, not just synced ones
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- fast local search (with words index)
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- scroll timeline with date tooltip?
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- jump to timestamp
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14
doc/TODO.md
14
doc/TODO.md
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@ -5,12 +5,12 @@
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- DONE: add eventemitter
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- DONE: make sync work
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- DONE: store summaries
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- setup editorconfig
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- DONE: setup editorconfig
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- DONE: setup linting (also in editor)
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- DONE: store timeline
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- DONE: store state
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- make summary work better (name and joined/inviteCount doesn't seem to work well)
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- timeline doesn't seem to recover it's key well upon loading, the query in load seems to never yield an event in the persister
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- DONE: make summary work better (name and joined/inviteCount doesn't seem to work well)
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- DONE: timeline doesn't seem to recover it's key well upon loading, the query in load seems to never yield an event in the persister
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- map DOMException to something better
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- it's pretty opaque now when something idb related fails. DOMException has these fields:
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code: 0
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@ -21,4 +21,10 @@
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- build a very basic interface with
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- a start/stop sync button
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- a room list sorted alphabetically
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- clicking on a room list, you see messages (userId -> body)
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- clicking on a room list, you see messages (userId -> body)
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- send messages
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- fill gaps with call to /messages
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- create sync filter
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- lazy loading members
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- decide denormalized data in summary vs reading from multiple stores PER room on load
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- allow Room/Summary class to be subclassed and store additional data?
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74
prototypes/chrome-keys.html
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74
prototypes/chrome-keys.html
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@ -0,0 +1,74 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<script type="module">
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function reqAsPromise(req) {
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return new Promise((resolve, reject) => {
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req.addEventListener("success", event => resolve(event.target.result));
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req.addEventListener("error", event => reject(event.target.error));
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});
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}
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function txnAsPromise(txn) {
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return new Promise((resolve, reject) => {
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txn.addEventListener("complete", resolve);
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txn.addEventListener("abort", reject);
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});
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}
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export function readAll(cursor) {
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return new Promise((resolve, reject) => {
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const results = [];
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cursor.onerror = (event) => {
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reject(new Error("Query failed: " + event.target.errorCode));
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};
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cursor.onsuccess = (event) => {
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const cursor = event.target.result;
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if (!cursor) {
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resolve(results);
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} else {
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results.push(cursor.value);
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cursor.continue();
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}
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};
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});
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}
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async function main() {
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let isNew = false;
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const openReq = window.indexedDB.open("composed_binary_keys_test", 1);
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openReq.onupgradeneeded = (ev) => {
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const db = ev.target.result;
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db.createObjectStore("test", {keyPath: ["strKey", "binKey"]});
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isNew = true;
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};
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const db = await reqAsPromise(openReq);
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// fill test store with some initial data
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if (isNew) {
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const txn = db.transaction("test", "readwrite");
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const store = txn.objectStore("test");
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store.add({strKey: "abc", binKey: new Uint8Array([0x0F, 0x00, 0x10, 0x00]).buffer});
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store.add({strKey: "def", binKey: new Uint8Array([0x00, 0x10, 0x00, 0x00]).buffer});
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store.add({strKey: "def", binKey: new Uint8Array([0xFF, 0x10, 0x00, 0x00]).buffer});
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store.add({strKey: "ghi", binKey: new Uint8Array([0x00, 0x00, 0x40, 0x00]).buffer});
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await txnAsPromise(txn);
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}
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const txn = db.transaction("test", "readonly");
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const store = txn.objectStore("test");
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const defRange = IDBKeyRange.bound(
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["def", new Uint8Array([0x00, 0x00, 0x00, 0x00]).buffer],
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["def", new Uint8Array([0xFF, 0xFF, 0xFF, 0xFF]).buffer],
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true, true,
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);
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const defValues = await readAll(store.openCursor(defRange, "prev"));
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console.log(defValues);
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}
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main();
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</script>
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</body>
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</html>
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102
prototypes/chrome-keys2.html
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102
prototypes/chrome-keys2.html
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@ -0,0 +1,102 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<script type="module">
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function reqAsPromise(req) {
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return new Promise((resolve, reject) => {
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req.addEventListener("success", event => resolve(event.target.result));
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req.addEventListener("error", event => reject(event.target.error));
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});
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}
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function txnAsPromise(txn) {
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return new Promise((resolve, reject) => {
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txn.addEventListener("complete", resolve);
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txn.addEventListener("abort", reject);
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});
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}
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function readAll(cursor) {
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return new Promise((resolve, reject) => {
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const results = [];
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cursor.onerror = (event) => {
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reject(new Error("Query failed: " + event.target.errorCode));
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};
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cursor.onsuccess = (event) => {
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const cursor = event.target.result;
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if (!cursor) {
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resolve(results);
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} else {
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results.push(cursor.value);
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cursor.continue();
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}
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};
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});
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}
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let seed = 13423;
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function prn() {
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let x = Math.sin(seed++) * 10000;
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return x - Math.floor(x);
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}
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function pad(str, len) {
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return str + " ".repeat(len - str.length);
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}
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function formatByteArray(a) {
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return `[${Array.from(a).join(",")}]`;
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}
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async function main() {
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let isNew = false;
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const openReq = window.indexedDB.open("bin_key_sorting_test", 1);
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openReq.onupgradeneeded = (ev) => {
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const db = ev.target.result;
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db.createObjectStore("test", {keyPath: ["binKey"]});
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isNew = true;
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};
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const db = await reqAsPromise(openReq);
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// fill test store with some data
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if (isNew) {
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const txn = db.transaction("test", "readwrite");
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const store = txn.objectStore("test");
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const rndByte = () => Math.ceil(prn() * 255);
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for(let i = 0; i < 10; ++i) {
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const b1 = rndByte(), b2 = rndByte(), b3 = rndByte(), b4 = rndByte();
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console.log(`adding key (${b1},${b2},${b3},${b4})`);
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store.add({binKey: new Uint8Array([b1, b2, b3, b4])});
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}
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store.add({binKey: new Uint8Array([0x80, 0x00, 0x00, 0x00])});
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store.add({binKey: new Uint8Array([0x00, 0x00, 0x00, 0x00])});
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store.add({binKey: new Uint8Array([0x7F, 0xFF, 0xFF, 0xFF])});
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store.add({binKey: new Uint8Array([0xFF, 0xFF, 0xFF, 0xFF])});
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await txnAsPromise(txn);
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}
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const txn = db.transaction("test", "readonly");
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const store = txn.objectStore("test");
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const range = IDBKeyRange.bound(
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Uint8Array.from([0x00, 0x00, 0x00, 0x00]).buffer,
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Uint8Array.from([0xFF, 0xFF, 0xFF, 0xFF]).buffer,
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// new Uint8Array([0x80, 0x00, 0x00, 0x00]).buffer, new
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// Uint8Array([0x7F, 0xFF, 0xFF, 0xFF]).buffer,
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);
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// const values = await readAll(store.openCursor(range, "next"));
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const values = await readAll(store.openCursor());
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console.log(pad(`[uint8;4]`, 20) + " [int8;4]");
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for (const v of values) {
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const uintStr = formatByteArray(new Uint8Array(v.binKey));
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const intStr = formatByteArray(new Int8Array(v.binKey));
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console.log(pad(uintStr, 20) + " " + intStr);
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}
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}
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main();
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</script>
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</body>
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</html>
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103
prototypes/chrome-keys3.html
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103
prototypes/chrome-keys3.html
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@ -0,0 +1,103 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<script type="module">
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function reqAsPromise(req) {
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return new Promise((resolve, reject) => {
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req.addEventListener("success", event => resolve(event.target.result));
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req.addEventListener("error", event => reject(event.target.error));
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});
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}
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function txnAsPromise(txn) {
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return new Promise((resolve, reject) => {
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txn.addEventListener("complete", resolve);
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txn.addEventListener("abort", reject);
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});
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}
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function readAll(cursor) {
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return new Promise((resolve, reject) => {
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const results = [];
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cursor.onerror = (event) => {
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reject(new Error("Query failed: " + event.target.errorCode));
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};
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cursor.onsuccess = (event) => {
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const cursor = event.target.result;
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if (!cursor) {
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resolve(results);
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} else {
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results.push(cursor.value);
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cursor.continue();
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}
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};
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});
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}
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let seed = 13423;
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function prn() {
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let x = Math.sin(seed++) * 10000;
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return x - Math.floor(x);
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}
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function pad(str, len) {
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return str + " ".repeat(len - str.length);
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}
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function formatByteArray(a) {
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return `[${Array.from(a).join(",")}]`;
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}
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async function main() {
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let isNew = false;
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const openReq = window.indexedDB.open("bin_key_sorting_test", 1);
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openReq.onupgradeneeded = (ev) => {
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const db = ev.target.result;
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db.createObjectStore("test", {keyPath: ["binKey"]});
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isNew = true;
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};
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const db = await reqAsPromise(openReq);
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// fill test store with some data
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if (isNew) {
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const txn = db.transaction("test", "readwrite");
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const store = txn.objectStore("test");
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const rndByte = () => Math.ceil(prn() * 255);
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for(let i = 0; i < 10; ++i) {
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const b1 = rndByte(), b2 = rndByte(), b3 = rndByte(), b4 = rndByte();
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console.log(`adding key (${b1},${b2},${b3},${b4})`);
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store.add({binKey: new Uint8Array([b1, b2, b3, b4])});
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}
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store.add({binKey: new Uint8Array([0x80, 0x00, 0x00, 0x00])});
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store.add({binKey: new Uint8Array([0x00, 0x00, 0x00, 0x00])});
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store.add({binKey: new Uint8Array([0x7F, 0xFF, 0xFF, 0xFF])});
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store.add({binKey: new Uint8Array([0xFF, 0xFF, 0xFF, 0xFF])});
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await txnAsPromise(txn);
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}
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const txn = db.transaction("test", "readonly");
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const store = txn.objectStore("test");
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const range = IDBKeyRange.upperBound(
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// Uint8Array.from([0x00, 0x00, 0x00, 0x00]).buffer,
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Uint8Array.from([0xFF, 0xFF, 0xFF, 0xFF]).buffer,
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// new Uint8Array([0x80, 0x00, 0x00, 0x00]).buffer, new
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// Uint8Array([0x7F, 0xFF, 0xFF, 0xFF]).buffer,
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false
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);
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// const values = await readAll(store.openCursor(range, "next"));
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const values = await readAll(store.openCursor(range, "prev"));
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console.log(pad(`[uint8;4]`, 20) + " [int8;4]");
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for (const v of values) {
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const uintStr = formatByteArray(new Uint8Array(v.binKey));
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const intStr = formatByteArray(new Int8Array(v.binKey));
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console.log(pad(uintStr, 20) + " " + intStr);
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}
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}
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main();
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</script>
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</body>
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</html>
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@ -51,8 +51,8 @@ export default class RoomTimelineStore {
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gap: null,
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});
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}
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async removeEvent(roomId, sortKey) {
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// could be gap or event
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async removeEntry(roomId, sortKey) {
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this._timelineStore.delete([roomId, sortKey.buffer]);
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}
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}
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