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blobt 4 years ago
parent
commit
5f0d9c70b8
  1. 94
      src/Dictionary.ts
  2. 10
      src/ListNode.ts
  3. 72
      src/TypedArrayList.ts
  4. 10
      src/index.ts
  5. 71
      tsconfig.json

94
src/Dictionary.ts

@ -0,0 +1,94 @@
export class Dictionary<T> {
public constructor ( useES6Map: boolean = true ) {
if ( useES6Map === true ) {
this._items = new Map<string, T>();
} else {
this._items = {};
}
}
public get length (): number {
return this._count;
}
public contains ( key: string ): boolean {
if ( this._items instanceof Map ) {
return this._items.has( key );
} else {
return ( this._items[ key ] !== undefined );
}
}
public find ( key: string ): T | undefined {
if ( this._items instanceof Map ) {
return this._items.get( key );
} else {
return this._items[ key ];
}
}
public insert ( key: string, value: T ): void {
if ( this._items instanceof Map ) {
this._items.set( key, value );
}
else {
this._items[ key ] = value;
}
this._count++;
}
public remove ( key: string ): boolean {
let ret: T | undefined = this.find( key );
if ( ret === undefined ) {
return false;
}
if ( this._items instanceof Map ) {
this._items.delete( key );
} else {
delete this._items[ key ];
}
this._count--;
return true;
}
public get keys (): string[] {
let keys: string[] = [];
if ( this._items instanceof Map ) {
let keyArray = this._items.keys();
for ( let key of keyArray ) {
keys.push( key );
}
} else {
for ( var prop in this._items ) {
if ( this._items.hasOwnProperty( prop ) ) {
keys.push( prop );
}
}
}
return keys;
}
public get values (): T[] {
let values: T[] = [];
if ( this._items instanceof Map ) {
// 一定要用of,否则出错
let vArray = this._items.values();
for ( let value of vArray ) {
values.push( value )
}
} else {
for ( let prop in this._items ) {
if ( this._items.hasOwnProperty( prop ) ) {
values.push( this._items[ prop ] );
}
}
}
return values;
}
private _items: ( { [ k: string ]: T } ) | Map<string, T>;
private _count: number = 0;
}

10
src/ListNode.ts

@ -0,0 +1,10 @@
export class ListNode<T>{
public next: ListNode<T> | null;
public prev: ListNode<T> | null;
public data: T | undefined;
public constructor(data: T | undefined = undefined){
this.next = this.prev = null;
this.data = data;
}
}

72
src/TypedArrayList.ts

@ -0,0 +1,72 @@
export class TypedArrayList<T extends Uint16Array | Float32Array | Uint8Array>{
private _array: T;
private _typedArrayConstructor: (new (length: number) => T);
private _length: number;
private _capacity: number;
public capacityChangedCallback: ((arrayList: TypedArrayList<T>) => void) | null = null;
public constructor(typedArrayConstructor: new (capacity: number) => T, capacity: number = 8) {
this._typedArrayConstructor = typedArrayConstructor;
this._capacity = capacity;
if (this._capacity == 0) {
this._capacity = 8;
}
this._array = new this._typedArrayConstructor(this._capacity);
this._length = 0;
}
public push(num: number): number {
//判断是否需要扩容
if (this._length > this._capacity) {
if (this._capacity > 0) {
this._capacity += this._capacity;
console.log("curr capaticy = " + this._capacity);
}
let oldArray: T = this._array;
this._array = new this._typedArrayConstructor(this._capacity);
//设置老数据到新空间头部
this._array.set(oldArray);
//触发回调
if (this.capacityChangedCallback !== null) {
this.capacityChangedCallback(this);
}
}
//插入数据
this._array[this._length++] = num;
return this._length;
}
public subArray(start: number = 0, end: number = this.length): T {
return this._array.subarray(start, end) as T;
}
public slice(start: number = 0, end: number = this.length): T {
return this._array.slice(start, end) as T;
}
public get length(): number {
return this._length;
}
public get capacity(): number {
return this._capacity;
}
public get typeArray(): T {
return this._array;
}
public clear(): void {
this._length = 0;
}
public at(idx: number): number {
if (idx < 0 || idx > this.length) {
throw new Error("索引越界!");
}
let ret: number = this._array[idx];
return ret;
}
};

10
src/index.ts

@ -0,0 +1,10 @@
import { Dictionary } from "./Dictionary";
let dict: Dictionary<string> = new Dictionary(false);
dict.insert("ka", "a");
dict.insert("kd", "d");
dict.insert("kc", "c");
dict.insert("kb", "b");
console.log(JSON.stringify(dict.keys));
console.log(JSON.stringify(dict.values));

71
tsconfig.json

@ -0,0 +1,71 @@
{
//"include": ["./demo.ts"],
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Basic Options */
// "incremental": true, /* Enable incremental compilation */
"target": "ES2015", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation. */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true, /* Generates corresponding '.d.ts' file. */
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
// "sourceMap": true, /* Generates corresponding '.map' file. */
// "outFile": "./", /* Concatenate and emit output to single file. */
// "outDir": "./", /* Redirect output structure to the directory. */
// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
// "composite": true, /* Enable project compilation */
// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
"removeComments": true, /* Do not emit comments to output. */
// "noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
/* Additional Checks */
// "noUnusedLocals": true, /* Report errors on unused locals. */
// "noUnusedParameters": true, /* Report errors on unused parameters. */
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
// "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
/* Module Resolution Options */
// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
// "typeRoots": [], /* List of folders to include type definitions from. */
// "types": [], /* Type declaration files to be included in compilation. */
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
/* Source Map Options */
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
/* Experimental Options */
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
/* Advanced Options */
"skipLibCheck": true, /* Skip type checking of declaration files. */
"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
}
}
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