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 82 83 84 | 45x 45x 45x 45x 11560x 11560x 11560x 5584x 5584x 10100x 10100x 10100x 8161x 8161x 8161x 1939x 1939x 1939x 5584x 4962x 45x 896x 896x 896x 896x 896x 1240x 896x 45x 11939x 9916x 9916x 9916x 9916x 9916x 15137x 15137x 15137x 9916x 45x 4347x 1354x 458x 458x 458x 458x 594x 594x 594x 594x 380x 458x 458x 458x 600x 600x 312x 458x 388x | import {isEmpty} from '@jsonjoy.com/util/lib/isEmpty';
import {PersistedSlice} from '../peritext/slice/PersistedSlice';
import {SliceBehavior} from '../peritext/slice/constants';
import type {OverlayPoint} from '../peritext/overlay/OverlayPoint';
import type {QuillDeltaAttributes} from './types';
import type {PathStep} from '@jsonjoy.com/json-pointer';
export const getAttributes = (overlayPoint: OverlayPoint): QuillDeltaAttributes | undefined => {
const layers = overlayPoint.layers;
const layerLength = layers.length;
if (!layerLength) return;
const attributes: QuillDeltaAttributes = {};
for (let i = 0; i < layerLength; i++) {
const slice = layers[i];
Iif (!(slice instanceof PersistedSlice)) continue;
switch (slice.behavior) {
case SliceBehavior.One: {
const tag = slice.type as PathStep;
if (tag) attributes[tag] = slice.data();
break;
}
case SliceBehavior.Erase: {
const tag = slice.type as PathStep;
if (tag) delete attributes[tag];
break;
}
}
}
if (isEmpty(attributes)) return undefined;
return attributes;
};
const eraseAttributes = (attr: QuillDeltaAttributes | undefined): Record<string | number, null> | undefined => {
Iif (!attr) return;
const keys = Object.keys(attr);
const length = keys.length;
Iif (!length) return;
const erased: Record<string | number, null> = {};
for (let i = 0; i < length; i++) erased[keys[i]] = null;
return erased;
};
export const removeErasures = (attr: QuillDeltaAttributes | undefined): QuillDeltaAttributes | undefined => {
if (!attr) return;
const keys = Object.keys(attr);
const length = keys.length;
Iif (!length) return;
const cleaned: QuillDeltaAttributes = {};
for (let i = 0; i < length; i++) {
const key = keys[i];
const value = attr[key];
if (value !== null) cleaned[key] = value;
}
return isEmpty(cleaned) ? undefined : cleaned;
};
export const diffAttributes = (
oldAttributes: QuillDeltaAttributes | undefined,
newAttributes: QuillDeltaAttributes | undefined,
): QuillDeltaAttributes | undefined => {
if (!oldAttributes) return removeErasures(newAttributes);
if (!newAttributes) return eraseAttributes(oldAttributes);
const diff: QuillDeltaAttributes = {};
const keys = Object.keys(newAttributes);
const length = keys.length;
for (let i = 0; i < length; i++) {
const key = keys[i];
const newValue = newAttributes[key];
const oldValue = oldAttributes[key];
if (newValue === oldValue) continue;
diff[key] = newValue;
}
const oldKeys = Object.keys(oldAttributes);
const oldLength = oldKeys.length;
for (let i = 0; i < oldLength; i++) {
const key = oldKeys[i];
// tslint:disable-next-line:triple-equals
if (newAttributes[key] !== undefined) continue;
diff[key] = null;
}
if (isEmpty(diff)) return undefined;
return diff;
};
|