How to use the pouchdb-merge.rootToLeaf function in pouchdb-merge
To help you get started, we’ve selected a few pouchdb-merge examples, based on popular ways it is used in public projects.
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pouchdb / pouchdb / packages / node_modules / pouchdb-core / src / adapter.js View on Github 
var conflicts = collectConflicts(metadata);
if (conflicts.length) {
doc._conflicts = conflicts;
}
}
if (isDeleted(metadata, doc._rev)) {
doc._deleted = true;
}
if (opts.revs || opts.revs_info) {
var splittedRev = doc._rev.split('-');
var revNo = parseInt(splittedRev[0], 10);
var revHash = splittedRev[1];
var paths = rootToLeaf(metadata.rev_tree);
var path = null;
for (var i = 0; i < paths.length; i++) {
var currentPath = paths[i];
var hashIndex = currentPath.ids.map(function (x) { return x.id; })
.indexOf(revHash);
var hashFoundAtRevPos = hashIndex === (revNo - 1);
if (hashFoundAtRevPos || (!path && hashIndex !== -1)) {
path = currentPath;
}
}
/* istanbul ignore if */
if (!path) {
err = new Error('invalid rev tree');var conflicts = collectConflicts(metadata);
if (conflicts.length) {
doc._conflicts = conflicts;
}
}
if (isDeleted(metadata, doc._rev)) {
doc._deleted = true;
}
if (opts.revs || opts.revs_info) {
var splittedRev = doc._rev.split('-');
var revNo = parseInt(splittedRev[0], 10);
var revHash = splittedRev[1];
var paths = rootToLeaf(metadata.rev_tree);
var path = null;
for (var i = 0; i < paths.length; i++) {
var currentPath = paths[i];
var hashIndex = currentPath.ids.map(function (x) { return x.id; })
.indexOf(revHash);
var hashFoundAtRevPos = hashIndex === (revNo - 1);
if (hashFoundAtRevPos || (!path && hashIndex !== -1)) {
path = currentPath;
}
}
var indexOfRev = path.ids.map(function (x) { return x.id; })
.indexOf(doc._rev.split('-')[1]) + 1;
var howMany = path.ids.length - indexOfRev;pouchdb-merge
PouchDB's document merge algorithm.
