Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | 47x 47x 47x 47x 47x 47x 47x 47x 47x 282x 282x 282x 283x 1223x 282x 282x 282x 2145x 2145x 2145x 1178x 1178x 1178x 7235x 7235x 7235x 7235x 9709x 9709x 7235x 5091x 34x 34x 34x 34x 34x 5057x 5057x 1542x 1542x 3515x 3515x 3515x 1178x 1178x 1178x | import {isEmpty} from '@jsonjoy.com/util/lib/isEmpty';
import {deepEqual} from '@jsonjoy.com/util/lib/json-equal/deepEqual';
import {Peritext} from '../peritext';
import {ExtensionId} from '../constants';
import {MNEMONIC, QuillConst} from './constants';
import {ExtNode} from '../../json-crdt/extensions/ExtNode';
import {getAttributes} from './util';
import {updateRga} from '../../json-crdt/hash';
import type {StrNode} from '../../json-crdt/nodes/str/StrNode';
import type {ArrNode} from '../../json-crdt/nodes/arr/ArrNode';
import type {StringChunk} from '../peritext/util/types';
import type {OverlayTuple} from '../peritext/overlay/types';
import type {QuillDataNode, QuillDeltaAttributes, QuillDeltaOp, QuillDeltaOpInsert} from './types';
export class QuillDeltaNode extends ExtNode<QuillDataNode> {
public readonly txt: Peritext<string>;
constructor(public readonly data: QuillDataNode) {
super(data);
this.txt = new Peritext<string>(data.doc, this.text(), this.slices());
}
public text(): StrNode<string> {
return this.data.get(0)!;
}
public slices(): ArrNode {
return this.data.get(1)!;
}
// ------------------------------------------------------------------ ExtNode
public readonly extId = ExtensionId.quill;
public name(): string {
return MNEMONIC;
}
private _view: QuillDeltaOp[] = [];
private _viewHash: number = -1;
public view(): QuillDeltaOp[] {
const overlay = this.txt.overlay;
const hash = updateRga(overlay.refresh(true), this.txt.str);
if (hash === this._viewHash) return this._view;
const ops: QuillDeltaOp[] = [];
let chunk: undefined | StringChunk;
const nextTuple = overlay.tuples0(undefined);
let tuple: OverlayTuple<string> | undefined;
while ((tuple = nextTuple())) {
const [p1, p2] = tuple;
const attributes: undefined | QuillDeltaAttributes = getAttributes(p1);
let insert = '';
chunk = overlay.chunkSlices0(chunk, p1, p2, (chunk, off, len) => {
const data = chunk.data;
if (data) insert += data.slice(off, off + len);
});
if (insert) {
if (insert === QuillConst.EmbedChar && attributes && attributes[QuillConst.EmbedSliceType]) {
const op: QuillDeltaOpInsert = {insert: attributes[QuillConst.EmbedSliceType] as Record<string, unknown>};
delete attributes[QuillConst.EmbedSliceType];
if (!isEmpty(attributes)) op.attributes = attributes;
ops.push(op);
continue;
} else {
const lastOp = ops[ops.length - 1] as QuillDeltaOpInsert;
if (lastOp && typeof lastOp.insert === 'string' && deepEqual(lastOp.attributes, attributes)) {
lastOp.insert += insert;
continue;
}
}
const op: QuillDeltaOpInsert = {insert};
if (attributes) op.attributes = attributes;
ops.push(op);
}
}
this._viewHash = hash;
this._view = ops;
return ops;
}
}
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