@abp/utils
Version:
ABP Framework is a complete open-source infrastructure to create modern web applications by following the best practices and conventions of software development. This package is a part of the [ABP Framework](https://abp.io) and contains client-side files.
289 lines • 40.6 kB
JavaScript
/* tslint:disable:no-non-null-assertion */
import compare from 'just-compare';
export class ListNode {
constructor(value) {
this.value = value;
}
}
export class LinkedList {
constructor() {
this.size = 0;
}
get head() {
return this.first;
}
get tail() {
return this.last;
}
get length() {
return this.size;
}
attach(value, previousNode, nextNode) {
if (!previousNode)
return this.addHead(value);
if (!nextNode)
return this.addTail(value);
const node = new ListNode(value);
node.previous = previousNode;
previousNode.next = node;
node.next = nextNode;
nextNode.previous = node;
this.size++;
return node;
}
attachMany(values, previousNode, nextNode) {
if (!values.length)
return [];
if (!previousNode)
return this.addManyHead(values);
if (!nextNode)
return this.addManyTail(values);
const list = new LinkedList();
list.addManyTail(values);
list.first.previous = previousNode;
previousNode.next = list.first;
list.last.next = nextNode;
nextNode.previous = list.last;
this.size += values.length;
return list.toNodeArray();
}
detach(node) {
if (!node.previous)
return this.dropHead();
if (!node.next)
return this.dropTail();
node.previous.next = node.next;
node.next.previous = node.previous;
this.size--;
return node;
}
add(value) {
return {
after: (...params) => this.addAfter.call(this, value, ...params),
before: (...params) => this.addBefore.call(this, value, ...params),
byIndex: (position) => this.addByIndex(value, position),
head: () => this.addHead(value),
tail: () => this.addTail(value),
};
}
addMany(values) {
return {
after: (...params) => this.addManyAfter.call(this, values, ...params),
before: (...params) => this.addManyBefore.call(this, values, ...params),
byIndex: (position) => this.addManyByIndex(values, position),
head: () => this.addManyHead(values),
tail: () => this.addManyTail(values),
};
}
addAfter(value, previousValue, compareFn = compare) {
const previous = this.find(node => compareFn(node.value, previousValue));
return previous ? this.attach(value, previous, previous.next) : this.addTail(value);
}
addBefore(value, nextValue, compareFn = compare) {
const next = this.find(node => compareFn(node.value, nextValue));
return next ? this.attach(value, next.previous, next) : this.addHead(value);
}
addByIndex(value, position) {
if (position < 0)
position += this.size;
else if (position >= this.size)
return this.addTail(value);
if (position <= 0)
return this.addHead(value);
const next = this.get(position);
return this.attach(value, next.previous, next);
}
addHead(value) {
const node = new ListNode(value);
node.next = this.first;
if (this.first)
this.first.previous = node;
else
this.last = node;
this.first = node;
this.size++;
return node;
}
addTail(value) {
const node = new ListNode(value);
if (this.first) {
node.previous = this.last;
this.last.next = node;
this.last = node;
}
else {
this.first = node;
this.last = node;
}
this.size++;
return node;
}
addManyAfter(values, previousValue, compareFn = compare) {
const previous = this.find(node => compareFn(node.value, previousValue));
return previous ? this.attachMany(values, previous, previous.next) : this.addManyTail(values);
}
addManyBefore(values, nextValue, compareFn = compare) {
const next = this.find(node => compareFn(node.value, nextValue));
return next ? this.attachMany(values, next.previous, next) : this.addManyHead(values);
}
addManyByIndex(values, position) {
if (position < 0)
position += this.size;
if (position <= 0)
return this.addManyHead(values);
if (position >= this.size)
return this.addManyTail(values);
const next = this.get(position);
return this.attachMany(values, next.previous, next);
}
addManyHead(values) {
return values.reduceRight((nodes, value) => {
nodes.unshift(this.addHead(value));
return nodes;
}, []);
}
addManyTail(values) {
return values.map(value => this.addTail(value));
}
drop() {
return {
byIndex: (position) => this.dropByIndex(position),
byValue: (...params) => this.dropByValue.apply(this, params),
byValueAll: (...params) => this.dropByValueAll.apply(this, params),
head: () => this.dropHead(),
tail: () => this.dropTail(),
};
}
dropMany(count) {
return {
byIndex: (position) => this.dropManyByIndex(count, position),
head: () => this.dropManyHead(count),
tail: () => this.dropManyTail(count),
};
}
dropByIndex(position) {
if (position < 0)
position += this.size;
const current = this.get(position);
return current ? this.detach(current) : undefined;
}
dropByValue(value, compareFn = compare) {
const position = this.findIndex(node => compareFn(node.value, value));
return position < 0 ? undefined : this.dropByIndex(position);
}
dropByValueAll(value, compareFn = compare) {
const dropped = [];
for (let current = this.first, position = 0; current; position++, current = current.next) {
if (compareFn(current.value, value)) {
dropped.push(this.dropByIndex(position - dropped.length));
}
}
return dropped;
}
dropHead() {
const head = this.first;
if (head) {
this.first = head.next;
if (this.first)
this.first.previous = undefined;
else
this.last = undefined;
this.size--;
return head;
}
return undefined;
}
dropTail() {
const tail = this.last;
if (tail) {
this.last = tail.previous;
if (this.last)
this.last.next = undefined;
else
this.first = undefined;
this.size--;
return tail;
}
return undefined;
}
dropManyByIndex(count, position) {
if (count <= 0)
return [];
if (position < 0)
position = Math.max(position + this.size, 0);
else if (position >= this.size)
return [];
count = Math.min(count, this.size - position);
const dropped = [];
while (count--) {
const current = this.get(position);
dropped.push(this.detach(current));
}
return dropped;
}
dropManyHead(count) {
if (count <= 0)
return [];
count = Math.min(count, this.size);
const dropped = [];
while (count--)
dropped.unshift(this.dropHead());
return dropped;
}
dropManyTail(count) {
if (count <= 0)
return [];
count = Math.min(count, this.size);
const dropped = [];
while (count--)
dropped.push(this.dropTail());
return dropped;
}
find(predicate) {
for (let current = this.first, position = 0; current; position++, current = current.next) {
if (predicate(current, position, this))
return current;
}
return undefined;
}
findIndex(predicate) {
for (let current = this.first, position = 0; current; position++, current = current.next) {
if (predicate(current, position, this))
return position;
}
return -1;
}
forEach(iteratorFn) {
for (let node = this.first, position = 0; node; position++, node = node.next) {
iteratorFn(node, position, this);
}
}
get(position) {
return this.find((_, index) => position === index);
}
indexOf(value, compareFn = compare) {
return this.findIndex(node => compareFn(node.value, value));
}
toArray() {
const array = new Array(this.size);
this.forEach((node, index) => (array[index] = node.value));
return array;
}
toNodeArray() {
const array = new Array(this.size);
this.forEach((node, index) => (array[index] = node));
return array;
}
toString(mapperFn = JSON.stringify) {
return this.toArray()
.map(value => mapperFn(value))
.join(' <-> ');
}
// Cannot use Generator type because of ng-packagr
*[Symbol.iterator]() {
for (let node = this.first, position = 0; node; position++, node = node.next) {
yield node.value;
}
}
}
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tslint:disable:no-non-null-assertion */\r\n\r\nimport compare from 'just-compare';\r\n\r\nexport class ListNode<T = any> {\r\n  next: ListNode | undefined;\r\n  previous: ListNode | undefined;\r\n  constructor(public readonly value: T) {}\r\n}\r\n\r\nexport class LinkedList<T = any> {\r\n  private first: ListNode<T> | undefined;\r\n  private last: ListNode<T> | undefined;\r\n  private size = 0;\r\n\r\n  get head(): ListNode<T> | undefined {\r\n    return this.first;\r\n  }\r\n  get tail(): ListNode<T> | undefined {\r\n    return this.last;\r\n  }\r\n  get length(): number {\r\n    return this.size;\r\n  }\r\n\r\n  private attach(\r\n    value: T,\r\n    previousNode: ListNode<T> | undefined,\r\n    nextNode: ListNode<T> | undefined,\r\n  ): ListNode<T> {\r\n    if (!previousNode) return this.addHead(value);\r\n\r\n    if (!nextNode) return this.addTail(value);\r\n\r\n    const node = new ListNode(value);\r\n    node.previous = previousNode;\r\n    previousNode.next = node;\r\n    node.next = nextNode;\r\n    nextNode.previous = node;\r\n\r\n    this.size++;\r\n\r\n    return node;\r\n  }\r\n\r\n  private attachMany(\r\n    values: T[],\r\n    previousNode: ListNode<T> | undefined,\r\n    nextNode: ListNode<T> | undefined,\r\n  ): ListNode<T>[] {\r\n    if (!values.length) return [];\r\n\r\n    if (!previousNode) return this.addManyHead(values);\r\n\r\n    if (!nextNode) return this.addManyTail(values);\r\n\r\n    const list = new LinkedList<T>();\r\n    list.addManyTail(values);\r\n    list.first!.previous = previousNode;\r\n    previousNode.next = list.first;\r\n    list.last!.next = nextNode;\r\n    nextNode.previous = list.last;\r\n\r\n    this.size += values.length;\r\n\r\n    return list.toNodeArray();\r\n  }\r\n\r\n  private detach(node: ListNode<T>) {\r\n    if (!node.previous) return this.dropHead();\r\n\r\n    if (!node.next) return this.dropTail();\r\n\r\n    node.previous.next = node.next;\r\n    node.next.previous = node.previous;\r\n\r\n    this.size--;\r\n\r\n    return node;\r\n  }\r\n\r\n  add(value: T) {\r\n    return {\r\n      after: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.addAfter.call(this, value, ...params),\r\n      before: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.addBefore.call(this, value, ...params),\r\n      byIndex: (position: number) => this.addByIndex(value, position),\r\n      head: () => this.addHead(value),\r\n      tail: () => this.addTail(value),\r\n    };\r\n  }\r\n\r\n  addMany(values: T[]) {\r\n    return {\r\n      after: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.addManyAfter.call(this, values, ...params),\r\n      before: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.addManyBefore.call(this, values, ...params),\r\n      byIndex: (position: number) => this.addManyByIndex(values, position),\r\n      head: () => this.addManyHead(values),\r\n      tail: () => this.addManyTail(values),\r\n    };\r\n  }\r\n\r\n  addAfter(value: T, previousValue: T): ListNode<T>;\r\n  addAfter(value: T, previousValue: any, compareFn: ListComparisonFn<T>): ListNode<T>;\r\n  addAfter(value: T, previousValue: any, compareFn: ListComparisonFn<T> = compare): ListNode<T> {\r\n    const previous = this.find(node => compareFn(node.value, previousValue));\r\n\r\n    return previous ? this.attach(value, previous, previous.next) : this.addTail(value);\r\n  }\r\n\r\n  addBefore(value: T, nextValue: T): ListNode<T>;\r\n  addBefore(value: T, nextValue: any, compareFn: ListComparisonFn<T>): ListNode<T>;\r\n  addBefore(value: T, nextValue: any, compareFn: ListComparisonFn<T> = compare): ListNode<T> {\r\n    const next = this.find(node => compareFn(node.value, nextValue));\r\n\r\n    return next ? this.attach(value, next.previous, next) : this.addHead(value);\r\n  }\r\n\r\n  addByIndex(value: T, position: number): ListNode<T> {\r\n    if (position < 0) position += this.size;\r\n    else if (position >= this.size) return this.addTail(value);\r\n\r\n    if (position <= 0) return this.addHead(value);\r\n\r\n    const next = this.get(position)!;\r\n\r\n    return this.attach(value, next.previous, next);\r\n  }\r\n\r\n  addHead(value: T): ListNode<T> {\r\n    const node = new ListNode(value);\r\n\r\n    node.next = this.first;\r\n\r\n    if (this.first) this.first.previous = node;\r\n    else this.last = node;\r\n\r\n    this.first = node;\r\n    this.size++;\r\n\r\n    return node;\r\n  }\r\n\r\n  addTail(value: T): ListNode<T> {\r\n    const node = new ListNode(value);\r\n\r\n    if (this.first) {\r\n      node.previous = this.last;\r\n      this.last!.next = node;\r\n      this.last = node;\r\n    } else {\r\n      this.first = node;\r\n      this.last = node;\r\n    }\r\n\r\n    this.size++;\r\n\r\n    return node;\r\n  }\r\n\r\n  addManyAfter(values: T[], previousValue: T): ListNode<T>[];\r\n  addManyAfter(values: T[], previousValue: any, compareFn: ListComparisonFn<T>): ListNode<T>[];\r\n  addManyAfter(\r\n    values: T[],\r\n    previousValue: any,\r\n    compareFn: ListComparisonFn<T> = compare,\r\n  ): ListNode<T>[] {\r\n    const previous = this.find(node => compareFn(node.value, previousValue));\r\n\r\n    return previous ? this.attachMany(values, previous, previous.next) : this.addManyTail(values);\r\n  }\r\n\r\n  addManyBefore(values: T[], nextValue: T): ListNode<T>[];\r\n  addManyBefore(values: T[], nextValue: any, compareFn: ListComparisonFn<T>): ListNode<T>[];\r\n  addManyBefore(\r\n    values: T[],\r\n    nextValue: any,\r\n    compareFn: ListComparisonFn<T> = compare,\r\n  ): ListNode<T>[] {\r\n    const next = this.find(node => compareFn(node.value, nextValue));\r\n\r\n    return next ? this.attachMany(values, next.previous, next) : this.addManyHead(values);\r\n  }\r\n\r\n  addManyByIndex(values: T[], position: number): ListNode<T>[] {\r\n    if (position < 0) position += this.size;\r\n\r\n    if (position <= 0) return this.addManyHead(values);\r\n\r\n    if (position >= this.size) return this.addManyTail(values);\r\n\r\n    const next = this.get(position)!;\r\n\r\n    return this.attachMany(values, next.previous, next);\r\n  }\r\n\r\n  addManyHead(values: T[]): ListNode<T>[] {\r\n    return values.reduceRight<ListNode<T>[]>((nodes, value) => {\r\n      nodes.unshift(this.addHead(value));\r\n      return nodes;\r\n    }, []);\r\n  }\r\n\r\n  addManyTail(values: T[]): ListNode<T>[] {\r\n    return values.map(value => this.addTail(value));\r\n  }\r\n\r\n  drop() {\r\n    return {\r\n      byIndex: (position: number) => this.dropByIndex(position),\r\n      byValue: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.dropByValue.apply(this, params),\r\n      byValueAll: (...params: [T] | [any, ListComparisonFn<T>]) =>\r\n        this.dropByValueAll.apply(this, params),\r\n      head: () => this.dropHead(),\r\n      tail: () => this.dropTail(),\r\n    };\r\n  }\r\n\r\n  dropMany(count: number) {\r\n    return {\r\n      byIndex: (position: number) => this.dropManyByIndex(count, position),\r\n      head: () => this.dropManyHead(count),\r\n      tail: () => this.dropManyTail(count),\r\n    };\r\n  }\r\n\r\n  dropByIndex(position: number): ListNode<T> | undefined {\r\n    if (position < 0) position += this.size;\r\n\r\n    const current = this.get(position);\r\n\r\n    return current ? this.detach(current) : undefined;\r\n  }\r\n\r\n  dropByValue(value: T): ListNode<T> | undefined;\r\n  dropByValue(value: any, compareFn: ListComparisonFn<T>): ListNode<T> | undefined;\r\n  dropByValue(value: any, compareFn: ListComparisonFn<T> = compare): ListNode<T> | undefined {\r\n    const position = this.findIndex(node => compareFn(node.value, value));\r\n\r\n    return position < 0 ? undefined : this.dropByIndex(position);\r\n  }\r\n\r\n  dropByValueAll(value: T): ListNode<T>[];\r\n  dropByValueAll(value: any, compareFn: ListComparisonFn<T>): ListNode<T>[];\r\n  dropByValueAll(value: any, compareFn: ListComparisonFn<T> = compare): ListNode<T>[] {\r\n    const dropped: ListNode<T>[] = [];\r\n\r\n    for (let current = this.first, position = 0; current; position++, current = current.next) {\r\n      if (compareFn(current.value, value)) {\r\n        dropped.push(this.dropByIndex(position - dropped.length)!);\r\n      }\r\n    }\r\n\r\n    return dropped;\r\n  }\r\n\r\n  dropHead(): ListNode<T> | undefined {\r\n    const head = this.first;\r\n\r\n    if (head) {\r\n      this.first = head.next;\r\n\r\n      if (this.first) this.first.previous = undefined;\r\n      else this.last = undefined;\r\n\r\n      this.size--;\r\n\r\n      return head;\r\n    }\r\n\r\n    return undefined;\r\n  }\r\n\r\n  dropTail(): ListNode<T> | undefined {\r\n    const tail = this.last;\r\n\r\n    if (tail) {\r\n      this.last = tail.previous;\r\n\r\n      if (this.last) this.last.next = undefined;\r\n      else this.first = undefined;\r\n\r\n      this.size--;\r\n\r\n      return tail;\r\n    }\r\n\r\n    return undefined;\r\n  }\r\n\r\n  dropManyByIndex(count: number, position: number): ListNode<T>[] {\r\n    if (count <= 0) return [];\r\n\r\n    if (position < 0) position = Math.max(position + this.size, 0);\r\n    else if (position >= this.size) return [];\r\n\r\n    count = Math.min(count, this.size - position);\r\n\r\n    const dropped: ListNode<T>[] = [];\r\n\r\n    while (count--) {\r\n      const current = this.get(position);\r\n      dropped.push(this.detach(current!)!);\r\n    }\r\n\r\n    return dropped;\r\n  }\r\n\r\n  dropManyHead(count: Exclude<number, 0>): ListNode<T>[] {\r\n    if (count <= 0) return [];\r\n\r\n    count = Math.min(count, this.size);\r\n\r\n    const dropped: ListNode<T>[] = [];\r\n\r\n    while (count--) dropped.unshift(this.dropHead()!);\r\n\r\n    return dropped;\r\n  }\r\n\r\n  dropManyTail(count: Exclude<number, 0>): ListNode<T>[] {\r\n    if (count <= 0) return [];\r\n\r\n    count = Math.min(count, this.size);\r\n\r\n    const dropped: ListNode<T>[] = [];\r\n\r\n    while (count--) dropped.push(this.dropTail()!);\r\n\r\n    return dropped;\r\n  }\r\n\r\n  find(predicate: ListIteratorFn<T>): ListNode<T> | undefined {\r\n    for (let current = this.first, position = 0; current; position++, current = current.next) {\r\n      if (predicate(current, position, this)) return current;\r\n    }\r\n\r\n    return undefined;\r\n  }\r\n\r\n  findIndex(predicate: ListIteratorFn<T>): number {\r\n    for (let current = this.first, position = 0; current; position++, current = current.next) {\r\n      if (predicate(current, position, this)) return position;\r\n    }\r\n\r\n    return -1;\r\n  }\r\n\r\n  forEach<R = boolean>(iteratorFn: ListIteratorFn<T, R>) {\r\n    for (let node = this.first, position = 0; node; position++, node = node.next) {\r\n      iteratorFn(node, position, this);\r\n    }\r\n  }\r\n\r\n  get(position: number): ListNode<T> | undefined {\r\n    return this.find((_, index) => position === index);\r\n  }\r\n\r\n  indexOf(value: T): number;\r\n  indexOf(value: any, compareFn: ListComparisonFn<T>): number;\r\n  indexOf(value: any, compareFn: ListComparisonFn<T> = compare): number {\r\n    return this.findIndex(node => compareFn(node.value, value));\r\n  }\r\n\r\n  toArray(): T[] {\r\n    const array = new Array(this.size);\r\n\r\n    this.forEach((node, index) => (array[index!] = node.value));\r\n\r\n    return array;\r\n  }\r\n\r\n  toNodeArray(): ListNode<T>[] {\r\n    const array = new Array(this.size);\r\n\r\n    this.forEach((node, index) => (array[index!] = node));\r\n\r\n    return array;\r\n  }\r\n\r\n  toString(mapperFn: ListMapperFn<T> = JSON.stringify): string {\r\n    return this.toArray()\r\n      .map(value => mapperFn(value))\r\n      .join(' <-> ');\r\n  }\r\n\r\n  // Cannot use Generator type because of ng-packagr\r\n  *[Symbol.iterator](): any {\r\n    for (let node = this.first, position = 0; node; position++, node = node.next) {\r\n      yield node.value;\r\n    }\r\n  }\r\n}\r\n\r\nexport type ListMapperFn<T = any> = (value: T) => any;\r\n\r\nexport type ListComparisonFn<T = any> = (value1: T, value2: any) => boolean;\r\n\r\nexport type ListIteratorFn<T = any, R = boolean> = (\r\n  node: ListNode<T>,\r\n  index?: number,\r\n  list?: LinkedList,\r\n) => R;\r\n"]}