mirror of
https://github.com/overleaf/overleaf.git
synced 2024-10-17 21:05:04 -04:00
c4437c69bc
* added getHistoryOpForAcceptedChange in RangesManager * rename adjustHistoryUpdatesMetadata to be treated as public * handle retain op in UpdateTranslator and updateCompressor * send op to project-history in acceptChanges * use promises.queueOps * use ranges in getHistoryOpForAcceptedChange * using rangesWithChangeRemoved * acceptChanges acceptance test * using change.op.hpos * Revert "using change.op.hpos" This reverts commit f53333b5099c840ab8fb8bb08df198ad6cfa2d84. * use getHistoryOpForAcceptedChanges * fix historyDocLength * Revert "rename adjustHistoryUpdatesMetadata to be treated as public" This reverts commit 2ba9443fd040a5c953828584285887c00dc40ea6. * fix typescript issues * sort changes before creating history updates * fix tests * sinon spy RangesManager.getHistoryUpdatesForAcceptedChanges * added unit tests * sort deletes before inserts * use getDocLength function * fix docLength calculation * fix typo * allow all retains * fix lint error * refactor RangesTests * fix ts error * fix history_doc_length calculation in RangesManager * remove retain tracking check from UpdateCompressor * use makeRanges() properly in tests * refactor acceptance tests GitOrigin-RevId: ab12ec53c5f52c20d44827c6037335e048f2edb0
92 lines
2.1 KiB
JavaScript
92 lines
2.1 KiB
JavaScript
// @ts-check
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const _ = require('lodash')
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/**
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* @typedef {import('./types').CommentOp} CommentOp
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* @typedef {import('./types').DeleteOp} DeleteOp
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* @typedef {import('./types').InsertOp} InsertOp
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* @typedef {import('./types').Op} Op
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* @typedef {import('./types').TrackedChange} TrackedChange
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*/
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/**
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* Returns true if the op is an insert
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*
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* @param {Op} op
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* @returns {op is InsertOp}
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*/
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function isInsert(op) {
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return 'i' in op && op.i != null
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}
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/**
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* Returns true if the op is an insert
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*
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* @param {Op} op
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* @returns {op is DeleteOp}
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*/
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function isDelete(op) {
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return 'd' in op && op.d != null
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}
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/**
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* Returns true if the op is a comment
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*
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* @param {Op} op
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* @returns {op is CommentOp}
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*/
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function isComment(op) {
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return 'c' in op && op.c != null
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}
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/**
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* Get the length of a document from its lines
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*
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* @param {string[]} lines
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* @returns {number}
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*/
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function getDocLength(lines) {
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let docLength = _.reduce(lines, (chars, line) => chars + line.length, 0)
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// Add newline characters. Lines are joined by newlines, but the last line
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// doesn't include a newline. We must make a special case for an empty list
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// so that it doesn't report a doc length of -1.
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docLength += Math.max(lines.length - 1, 0)
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return docLength
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}
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/**
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* Adds given tracked deletes to the given content.
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*
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* The history system includes tracked deletes in the document content.
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*
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* @param {string} content
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* @param {TrackedChange[]} trackedChanges
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* @return {string} content for the history service
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*/
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function addTrackedDeletesToContent(content, trackedChanges) {
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let cursor = 0
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let result = ''
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for (const change of trackedChanges) {
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if (isDelete(change.op)) {
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// Add the content before the tracked delete
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result += content.slice(cursor, change.op.p)
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cursor = change.op.p
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// Add the content of the tracked delete
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result += change.op.d
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}
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}
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// Add the content after all tracked deletes
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result += content.slice(cursor)
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return result
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}
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module.exports = {
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isInsert,
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isDelete,
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isComment,
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addTrackedDeletesToContent,
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getDocLength,
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}
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