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@ -5,12 +5,13 @@ |
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*/ |
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*/ |
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import { MOUNT_CLASS_TO } from "../config/debug"; |
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import { MOUNT_CLASS_TO } from "../config/debug"; |
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import compareValue from "./compareValue"; |
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/** |
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/** |
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* Descend sorted storage |
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* Descend sorted storage |
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*/ |
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*/ |
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type ItemType = number; |
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type ItemType = number | string; |
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export enum SliceEnd { |
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export enum SliceEnd { |
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None = 0, |
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None = 0, |
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@ -19,7 +20,7 @@ export enum SliceEnd { |
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Both = SliceEnd.Top | SliceEnd.Bottom |
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Both = SliceEnd.Top | SliceEnd.Bottom |
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}; |
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}; |
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export interface Slice extends Array<ItemType> { |
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export interface Slice<T extends ItemType> extends Array<T> { |
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//slicedArray: SlicedArray;
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//slicedArray: SlicedArray;
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end: SliceEnd; |
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end: SliceEnd; |
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@ -27,17 +28,18 @@ export interface Slice extends Array<ItemType> { |
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setEnd: (side: SliceEnd) => void; |
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setEnd: (side: SliceEnd) => void; |
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unsetEnd: (side: SliceEnd) => void; |
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unsetEnd: (side: SliceEnd) => void; |
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slice: (from?: number, to?: number) => Slice; |
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slice: (from?: number, to?: number) => Slice<T>; |
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splice: (start: number, deleteCount: number, ...items: ItemType[]) => Slice; |
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splice: (start: number, deleteCount: number, ...items: ItemType[]) => Slice<T>; |
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} |
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} |
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export interface SliceConstructor { |
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export interface SliceConstructor<T extends ItemType> { |
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new(...items: ItemType[]): Slice; |
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// new(...items: T[]): Slice<T>;
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new(length: number): Slice<T>; |
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} |
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} |
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export default class SlicedArray { |
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export default class SlicedArray<T extends ItemType> { |
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private slices: Slice[]/* = [[7,6,5],[4,3,2],[1,0,-1]] */; |
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private slices: Slice<T>[]/* = [[7,6,5],[4,3,2],[1,0,-1]] */; |
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private sliceConstructor: SliceConstructor; |
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private sliceConstructor: SliceConstructor<T>; |
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constructor() { |
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constructor() { |
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// @ts-ignore
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// @ts-ignore
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@ -48,8 +50,8 @@ export default class SlicedArray { |
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this.slices = [first]; |
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this.slices = [first]; |
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} |
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} |
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private static getSliceConstructor(slicedArray: SlicedArray) { |
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private static getSliceConstructor(slicedArray: SlicedArray<ItemType>) { |
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return class Slice extends Array<ItemType> implements Slice { |
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return class Slice<T> extends Array<ItemType> implements Slice<T> { |
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//slicedArray: SlicedArray;
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//slicedArray: SlicedArray;
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end: SliceEnd = SliceEnd.None; |
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end: SliceEnd = SliceEnd.None; |
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@ -95,7 +97,7 @@ export default class SlicedArray { |
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const ret = super.splice(start, deleteCount, ...items); |
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const ret = super.splice(start, deleteCount, ...items); |
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if(!this.length) { |
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if(!this.length) { |
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const slices = slicedArray.slices as number[][]; |
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const slices = slicedArray.slices as ItemType[][]; |
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const idx = slices.indexOf(this); |
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const idx = slices.indexOf(this); |
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if(idx !== -1) { |
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if(idx !== -1) { |
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if(slices.length === 1) { // left empty slice without ends
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if(slices.length === 1) { // left empty slice without ends
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@ -111,7 +113,7 @@ export default class SlicedArray { |
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} |
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} |
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} |
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} |
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public constructSlice(...items: ItemType[]) { |
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public constructSlice(...items: T[]) { |
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//const slice = new Slice(this, ...items);
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//const slice = new Slice(this, ...items);
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// can't pass items directly to constructor because first argument is length
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// can't pass items directly to constructor because first argument is length
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const slice = new this.sliceConstructor(items.length); |
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const slice = new this.sliceConstructor(items.length); |
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@ -166,7 +168,7 @@ export default class SlicedArray { |
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*/ |
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*/ |
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} |
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} |
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public insertSlice(slice: ItemType[], flatten = true) { |
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public insertSlice(slice: T[], flatten = true) { |
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if(!slice.length) { |
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if(!slice.length) { |
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return; |
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return; |
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} |
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} |
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@ -180,7 +182,7 @@ export default class SlicedArray { |
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const lowerBound = slice[slice.length - 1]; |
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const lowerBound = slice[slice.length - 1]; |
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const upperBound = slice[0]; |
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const upperBound = slice[0]; |
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let foundSlice: Slice, lowerIndex = -1, upperIndex = -1, foundSliceIndex = 0; |
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let foundSlice: Slice<T>, lowerIndex = -1, upperIndex = -1, foundSliceIndex = 0; |
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for(; foundSliceIndex < this.slices.length; ++foundSliceIndex) { |
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for(; foundSliceIndex < this.slices.length; ++foundSliceIndex) { |
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foundSlice = this.slices[foundSliceIndex]; |
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foundSlice = this.slices[foundSliceIndex]; |
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lowerIndex = foundSlice.indexOf(lowerBound); |
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lowerIndex = foundSlice.indexOf(lowerBound); |
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@ -205,7 +207,7 @@ export default class SlicedArray { |
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let insertIndex = 0; |
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let insertIndex = 0; |
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for(const length = this.slices.length; insertIndex < length; ++insertIndex) { // * maybe should iterate from the end, could be faster ?
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for(const length = this.slices.length; insertIndex < length; ++insertIndex) { // * maybe should iterate from the end, could be faster ?
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const s = this.slices[insertIndex]; |
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const s = this.slices[insertIndex]; |
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if(slice[0] > s[0]) { |
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if(compareValue(slice[0], s[0]) === 1) { |
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break; |
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break; |
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} |
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} |
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} |
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} |
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@ -263,7 +265,7 @@ export default class SlicedArray { |
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return this.slice.length; |
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return this.slice.length; |
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} |
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} |
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public findSlice(item: ItemType) { |
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public findSlice(item: T) { |
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for(let i = 0, length = this.slices.length; i < length; ++i) { |
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for(let i = 0, length = this.slices.length; i < length; ++i) { |
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const slice = this.slices[i]; |
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const slice = this.slices[i]; |
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const index = slice.indexOf(item); |
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const index = slice.indexOf(item); |
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@ -275,8 +277,8 @@ export default class SlicedArray { |
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return undefined; |
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return undefined; |
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} |
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} |
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public findSliceOffset(maxId: number) { |
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public findSliceOffset(maxId: T) { |
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let slice: Slice; |
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let slice: Slice<T>; |
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for(let i = 0; i < this.slices.length; ++i) { |
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for(let i = 0; i < this.slices.length; ++i) { |
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let offset = 0; |
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let offset = 0; |
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slice = this.slices[i]; |
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slice = this.slices[i]; |
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@ -284,8 +286,8 @@ export default class SlicedArray { |
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continue; |
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continue; |
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} |
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} |
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for(; offset < slice.length; offset++) { |
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for(; offset < slice.length; ++offset) { |
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if(maxId >= slice[offset]) { |
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if(compareValue(maxId, slice[offset]) >= 0) { |
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/* if(!offset) { // because can't find 3 in [[5,4], [2,1]] |
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/* if(!offset) { // because can't find 3 in [[5,4], [2,1]] |
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return undefined; |
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return undefined; |
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} */ |
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} */ |
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@ -309,7 +311,7 @@ export default class SlicedArray { |
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} |
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} |
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// * https://core.telegram.org/api/offsets
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// * https://core.telegram.org/api/offsets
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public sliceMe(offsetId: number, add_offset: number, limit: number) { |
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public sliceMe(offsetId: T, add_offset: number, limit: number) { |
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let slice = this.slice; |
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let slice = this.slice; |
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let offset = 0; |
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let offset = 0; |
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let sliceOffset = 0; |
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let sliceOffset = 0; |
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@ -337,7 +339,7 @@ export default class SlicedArray { |
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//const fixHalfBackLimit = add_offset && !(limit / add_offset % 2) && (sliceEnd % 2) ? 1 : 0;
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//const fixHalfBackLimit = add_offset && !(limit / add_offset % 2) && (sliceEnd % 2) ? 1 : 0;
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//sliceEnd += fixHalfBackLimit;
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//sliceEnd += fixHalfBackLimit;
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const sliced = slice.slice(sliceStart, sliceEnd) as Slice; |
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const sliced = slice.slice(sliceStart, sliceEnd) as Slice<T>; |
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const topWasMeantToLoad = add_offset < 0 ? limit + add_offset : limit; |
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const topWasMeantToLoad = add_offset < 0 ? limit + add_offset : limit; |
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const bottomWasMeantToLoad = Math.abs(add_offset); |
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const bottomWasMeantToLoad = Math.abs(add_offset); |
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@ -356,7 +358,7 @@ export default class SlicedArray { |
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}; |
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}; |
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} |
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} |
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public unshift(...items: ItemType[]) { |
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public unshift(...items: T[]) { |
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let slice = this.first; |
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let slice = this.first; |
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if(!slice.length) { |
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if(!slice.length) { |
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slice.setEnd(SliceEnd.Bottom); |
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slice.setEnd(SliceEnd.Bottom); |
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@ -369,7 +371,7 @@ export default class SlicedArray { |
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slice.unshift(...items); |
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slice.unshift(...items); |
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} |
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} |
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public push(...items: ItemType[]) { |
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public push(...items: T[]) { |
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let slice = this.last; |
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let slice = this.last; |
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if(!slice.length) { |
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if(!slice.length) { |
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slice.setEnd(SliceEnd.Top); |
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slice.setEnd(SliceEnd.Top); |
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@ -382,7 +384,7 @@ export default class SlicedArray { |
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slice.push(...items); |
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slice.push(...items); |
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} |
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} |
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public delete(item: ItemType) { |
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public delete(item: T) { |
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const found = this.findSlice(item); |
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const found = this.findSlice(item); |
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if(found) { |
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if(found) { |
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found.slice.splice(found.index, 1); |
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found.slice.splice(found.index, 1); |
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Eduard Kuzmenko
3 years ago