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Code Issues Projects Releases Packages Wiki Activity Actions 2

lint: broadcast_revisions (#4571)

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Co-authored-by: Richard Hansen <rhansen@rhansen.org>
This commit is contained in:
John McLear 2020-12-15 17:37:15 +00:00 • committed by Richard Hansen
parent 4aef15cb11
commit 8bf463fb00
3 changed files with 231 additions and 271 deletions
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41
src/static/js/broadcast_revisions.js
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@ -1,3 +1,5 @@
'use strict';
/**
* This code is mostly from the old Etherpad. Please help us to comment this code.
* This helps other people to understand this code better and helps them to improve it.
@ -23,7 +25,7 @@
// of the document. These revisions are connected together by various
// changesets, or deltas, between any two revisions.
function loadBroadcastRevisionsJS() {
const loadBroadcastRevisionsJS = () => {
function Revision(revNum) {
this.rev = revNum;
this.changesets = [];
@ -33,18 +35,16 @@ function loadBroadcastRevisionsJS() {
const changesetWrapper = {
deltaRev: destIndex - this.rev,
deltaTime: timeDelta,
getValue() {
return changeset;
},
getValue: () => changeset,
};
this.changesets.push(changesetWrapper);
this.changesets.sort((a, b) => (b.deltaRev - a.deltaRev));
};
revisionInfo = {};
const revisionInfo = {};
revisionInfo.addChangeset = function (fromIndex, toIndex, changeset, backChangeset, timeDelta) {
const startRevision = revisionInfo[fromIndex] || revisionInfo.createNew(fromIndex);
const endRevision = revisionInfo[toIndex] || revisionInfo.createNew(toIndex);
const startRevision = this[fromIndex] || this.createNew(fromIndex);
const endRevision = this[toIndex] || this.createNew(toIndex);
startRevision.addChangeset(toIndex, changeset, timeDelta);
endRevision.addChangeset(fromIndex, backChangeset, -1 * timeDelta);
};
@ -52,12 +52,12 @@ function loadBroadcastRevisionsJS() {
revisionInfo.latest = clientVars.collab_client_vars.rev || -1;
revisionInfo.createNew = function (index) {
revisionInfo[index] = new Revision(index);
if (index > revisionInfo.latest) {
revisionInfo.latest = index;
this[index] = new Revision(index);
if (index > this.latest) {
this.latest = index;
}
return revisionInfo[index];
return this[index];
};
// assuming that there is a path from fromIndex to toIndex, and that the links
@ -66,8 +66,8 @@ function loadBroadcastRevisionsJS() {
const changesets = [];
const spans = [];
const times = [];
let elem = revisionInfo[fromIndex] || revisionInfo.createNew(fromIndex);
if (elem.changesets.length != 0 && fromIndex != toIndex) {
let elem = this[fromIndex] || this.createNew(fromIndex);
if (elem.changesets.length !== 0 && fromIndex !== toIndex) {
const reverse = !(fromIndex < toIndex);
while (((elem.rev < toIndex) && !reverse) || ((elem.rev > toIndex) && reverse)) {
let couldNotContinue = false;
@ -76,27 +76,29 @@ function loadBroadcastRevisionsJS() {
for (let i = reverse ? elem.changesets.length - 1 : 0;
reverse ? i >= 0 : i < elem.changesets.length;
i += reverse ? -1 : 1) {
if (((elem.changesets[i].deltaRev < 0) && !reverse) || ((elem.changesets[i].deltaRev > 0) && reverse)) {
if (((elem.changesets[i].deltaRev < 0) && !reverse) ||
((elem.changesets[i].deltaRev > 0) && reverse)) {
couldNotContinue = true;
break;
}
if (((elem.rev + elem.changesets[i].deltaRev <= toIndex) && !reverse) || ((elem.rev + elem.changesets[i].deltaRev >= toIndex) && reverse)) {
if (((elem.rev + elem.changesets[i].deltaRev <= toIndex) && !reverse) ||
((elem.rev + elem.changesets[i].deltaRev >= toIndex) && reverse)) {
const topush = elem.changesets[i];
changesets.push(topush.getValue());
spans.push(elem.changesets[i].deltaRev);
times.push(topush.deltaTime);
elem = revisionInfo[elem.rev + elem.changesets[i].deltaRev];
elem = this[elem.rev + elem.changesets[i].deltaRev];
break;
}
}
if (couldNotContinue || oldRev == elem.rev) break;
if (couldNotContinue || oldRev === elem.rev) break;
}
}
let status = 'partial';
if (elem.rev == toIndex) status = 'complete';
if (elem.rev === toIndex) status = 'complete';
return {
fromRev: fromIndex,
@ -107,6 +109,7 @@ function loadBroadcastRevisionsJS() {
times,
};
};
}
window.revisionInfo = revisionInfo;
};
exports.loadBroadcastRevisionsJS = loadBroadcastRevisionsJS;