Files

100 lines
3.2 KiB
Svelte

<!--
// Copyright © 2023 Anticrm Platform Contributors.
// Copyright © 2023, 2024 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
-->
<script lang="ts">
import { AnyAttribute, Markup } from '@hcengineering/core'
import { EmptyMarkup, MarkupNode, MarkupNodeType, markupToJSON } from '@hcengineering/text'
import { MarkupDiffViewer } from '@hcengineering/text-editor-resources'
import { ShowMore } from '@hcengineering/ui'
import { deepEqual } from 'fast-equals'
export let value: Markup | undefined
export let prevValue: Markup | undefined = undefined
export let attribute: AnyAttribute | undefined = undefined
export let withShowMore = true
export let showOnlyDiff: boolean = false
$: content = markupToJSON(value ?? EmptyMarkup)
$: comparedVersion = markupToJSON(prevValue ?? EmptyMarkup)
function cleanup (node1: MarkupNode, node2: MarkupNode): MarkupNode[] {
if (node1.type !== MarkupNodeType.doc || node2.type !== MarkupNodeType.doc) {
return [node1, node2]
}
const content1 = node1.content ?? []
const content2 = node2.content ?? []
const newContent1: MarkupNode[] = []
const newContent2: MarkupNode[] = []
for (let i = 0; i < Math.max(content1.length, content2.length); i++) {
if (!same(content1[i], content2[i])) {
if (content1[i] !== undefined) {
newContent1.push(content1[i])
}
if (content2[i] !== undefined) {
newContent2.push(content2[i])
}
}
}
return [
{ ...node1, content: newContent1 },
{ ...node2, content: newContent2 }
]
}
function same (node1: MarkupNode | undefined, node2: MarkupNode | undefined): boolean {
if (node1 === undefined && node2 === undefined) return true
if (node1 === undefined || node2 === undefined) return false
if (
node1.type !== node2.type ||
node1.text !== node2.text ||
!deepEqual(node1.marks ?? [], node2.marks ?? []) ||
!deepEqual(node1.attrs ?? {}, node2.attrs ?? {})
) {
return false
}
const content1 = node1.content ?? []
const content2 = node2.content ?? []
if (content1.length !== content2.length) return false
for (let i = 0; i < content1.length; i++) {
if (!same(content1[i], content2[i])) return false
}
return true
}
$: if (showOnlyDiff) {
;[content, comparedVersion] = cleanup(content, comparedVersion)
}
</script>
{#if withShowMore}
<ShowMore>
{#key [value, prevValue]}
<MarkupDiffViewer objectClass={attribute?.attributeOf} {content} {comparedVersion} />
{/key}
</ShowMore>
{:else}
{#key [value, prevValue]}
<MarkupDiffViewer objectClass={attribute?.attributeOf} {content} {comparedVersion} />
{/key}
{/if}