102 lines
1.7 KiB
JavaScript
102 lines
1.7 KiB
JavaScript
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import {
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addToDeleteSet,
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UpdateDecoderV1, UpdateDecoderV2, UpdateEncoderV1, UpdateEncoderV2, StructStore, Item, Transaction // eslint-disable-line
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} from '../internals.js'
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export class ContentDeleted {
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/**
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* @param {number} len
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*/
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constructor (len) {
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this.len = len
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}
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/**
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* @return {number}
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*/
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getLength () {
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return this.len
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}
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/**
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* @return {Array<any>}
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*/
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getContent () {
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return []
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}
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/**
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* @return {boolean}
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*/
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isCountable () {
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return false
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}
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/**
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* @return {ContentDeleted}
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*/
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copy () {
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return new ContentDeleted(this.len)
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}
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/**
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* @param {number} offset
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* @return {ContentDeleted}
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*/
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splice (offset) {
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const right = new ContentDeleted(this.len - offset)
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this.len = offset
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return right
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}
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/**
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* @param {ContentDeleted} right
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* @return {boolean}
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*/
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mergeWith (right) {
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this.len += right.len
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return true
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}
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/**
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* @param {Transaction} transaction
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* @param {Item} item
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*/
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integrate (transaction, item) {
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addToDeleteSet(transaction.deleteSet, item.id.client, item.id.clock, this.len)
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item.markDeleted()
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}
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/**
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* @param {Transaction} transaction
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*/
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delete (transaction) {}
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/**
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* @param {StructStore} store
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*/
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gc (store) {}
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/**
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* @param {UpdateEncoderV1 | UpdateEncoderV2} encoder
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* @param {number} offset
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*/
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write (encoder, offset) {
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encoder.writeLen(this.len - offset)
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}
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/**
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* @return {number}
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*/
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getRef () {
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return 1
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}
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}
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/**
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* @private
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*
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* @param {UpdateDecoderV1 | UpdateDecoderV2 } decoder
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* @return {ContentDeleted}
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*/
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export const readContentDeleted = decoder => new ContentDeleted(decoder.readLen())
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