ex1

package-lock.json

@@ -0,0 +1,29 @@
+{
+  "name": "safe",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "safe",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "typescript": "^5.5.4"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    }
+  }
+}

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "safe",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "typescript": "^5.5.4"
+  }
+}

src/Gold.js

@@ -0,0 +1,11 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Gold = void 0;
+const Item_1 = require("./Item");
+class Gold extends Item_1.Item {
+    constructor(id, insurenceValue, weight) {
+        super(id, insurenceValue);
+        this.weight = weight;
+    }
+}
+exports.Gold = Gold;

src/Gold.ts

@@ -0,0 +1,6 @@
+import { Item } from "./Item";
+export class Gold extends Item {
+    constructor(id: number, insurenceValue: number, public weight: number) {
+        super(id, insurenceValue);
+    }
+}

src/Item.js

@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Item = void 0;
+class Item {
+    constructor(id, insurenceValue) {
+        this.id = id;
+        this.insurenceValue = insurenceValue;
+    }
+}
+exports.Item = Item;

src/Item.ts

@@ -0,0 +1,7 @@
+export class Item {
+
+    constructor(public id: number, public insurenceValue: number) {
+
+    }
+
+}

src/Jewellery.js

@@ -0,0 +1,11 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Jewellery = void 0;
+const Item_1 = require("./Item");
+class Jewellery extends Item_1.Item {
+    constructor(id, insuranceValue, type) {
+        super(id, insuranceValue);
+        this.type = type;
+    }
+}
+exports.Jewellery = Jewellery;

src/Jewellery.ts

@@ -0,0 +1,8 @@
+import { Item } from "./Item";
+
+export class Jewellery extends Item {
+
+    constructor(id: number, insuranceValue: number, public type: string) {
+        super(id, insuranceValue)
+    }
+}

src/Safe.js

@@ -0,0 +1,30 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Safe = void 0;
+class Safe {
+    constructor(items) {
+        this.items = items;
+        items = [];
+    }
+    addItem(item) {
+        this.items.push(item);
+    }
+    takeOutItem(id) {
+        this.items = this.items.filter(i => id !== i.id);
+    }
+    /*
+        calculateInsuranceValueOfAllItem(): number {
+            let sum: number = 0;
+            this.items.forEach(i => sum = sum + i.insurenceValue)
+            return sum
+        }
+    
+    */
+    calculateInsuranceValueOfAllItems() {
+        return this.items.reduce((sum, item) => sum + item.insurenceValue, 0);
+    }
+    getAllInsuranceValues() {
+        return this.items.map(item => item.insurenceValue);
+    }
+}
+exports.Safe = Safe;

src/Safe.ts

@@ -0,0 +1,32 @@
+import { Item } from "./Item";
+
+export class Safe {
+
+    constructor(public items: Item[]) {
+        items = []
+    }
+
+
+    addItem(item: Item) {
+        this.items.push(item);
+    }
+
+    takeOutItem(id: number) {
+        this.items = this.items.filter(i => id !== i.id);
+    }
+    /*
+        calculateInsuranceValueOfAllItem(): number {
+            let sum: number = 0;
+            this.items.forEach(i => sum = sum + i.insurenceValue)
+            return sum
+        }
+    
+    */
+    calculateInsuranceValueOfAllItems(): number {
+        return this.items.reduce((sum, item) => sum + item.insurenceValue, 0);
+    }
+
+    getAllInsuranceValues(): number[] {
+        return this.items.map(item => item.insurenceValue);
+    }
+}

src/Share.js

@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Share = void 0;
+const Item_1 = require("./Item");
+class Share extends Item_1.Item {
+    constructor(id, insuranceValue, company, faceValue) {
+        super(id, insuranceValue);
+        this.company = company;
+        this.faceValue = faceValue;
+    }
+}
+exports.Share = Share;

src/Share.ts

@@ -0,0 +1,8 @@
+import { Item } from "./Item";
+
+export class Share extends Item {
+
+    constructor(id: number, insuranceValue: number, public company: String, public faceValue: number) {
+        super(id, insuranceValue)
+    }
+}

src/hello.js

@@ -0,0 +1,28 @@
+"use strict";
+console.log("Hello");
+var firstName = "John";
+console.log("fristname: ", firstName);
+var score1 = 50;
+var score2 = 42.50;
+var sum = score1 + score2;
+console.log("first score: " + score1);
+console.log("second score: " + score2);
+console.log("sum of the scores: " + sum);
+const pi = 3.14159265359;
+console.log("Pi: " + pi);
+let flag = true;
+console.log("flag: " + flag);
+let age = "12";
+console.log("age: " + age);
+age = 18;
+console.log("age: " + age);
+//score1 = "Sören";
+var numbers;
+numbers = [1, 3, 8, 6];
+for (let i = 0; i < numbers.length; i++) {
+    console.log(numbers[i]);
+}
+numbers[1] = 44;
+numbers.forEach(n => console.log(n));
+var names = ["Sören", "Hannes", "Lena", "Ulrich"];
+names.forEach(n => console.log(n));

src/hello.ts

@@ -0,0 +1,33 @@
+console.log("Hello")
+
+var firstName: string = "John";
+console.log("fristname: ", firstName);
+var score1: number = 50;
+var score2 = 42.50;
+var sum = score1 + score2;
+console.log("first score: " + score1);
+console.log("second score: " + score2);
+console.log("sum of the scores: " + sum);
+const pi = 3.14159265359;
+console.log("Pi: " + pi);
+let flag: boolean = true;
+console.log("flag: " + flag);
+let age: any = "12";
+console.log("age: " + age);
+age = 18
+console.log("age: " + age);
+//score1 = "Sören";
+
+var numbers: number[];
+numbers = [1, 3, 8, 6];
+
+for (let i = 0; i < numbers.length; i++) {
+    console.log(numbers[i]);
+}
+
+numbers[1] = 44;
+numbers.forEach(n => console.log(n));
+
+var names = ["Sören", "Hannes", "Lena", "Ulrich"]
+names.forEach(n => console.log(n));
+

src/main.js

@@ -0,0 +1,16 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const Gold_1 = require("./Gold");
+const Item_1 = require("./Item");
+const Jewellery_1 = require("./Jewellery");
+const Share_1 = require("./Share");
+let myItem = new Item_1.Item(1, 1000);
+console.log(myItem);
+myItem.insurenceValue = 2000;
+console.log(myItem);
+let myGold = new Gold_1.Gold(2, 3000, 10);
+let myJewellery = new Jewellery_1.Jewellery(3, 4000, "chain");
+let myShare = new Share_1.Share(4, 5000, "Apple", 999);
+console.log(myGold);
+console.log(myJewellery);
+console.log(myShare);

src/main.ts

@@ -0,0 +1,16 @@
+import { Gold } from "./Gold";
+import { Item } from "./Item";
+import { Jewellery } from "./Jewellery";
+import { Share } from "./Share";
+
+let myItem = new Item(1, 1000);
+console.log(myItem);
+myItem.insurenceValue = 2000;
+console.log(myItem);
+
+let myGold = new Gold(2, 3000, 10);
+let myJewellery = new Jewellery(3, 4000, "chain");
+let myShare = new Share(4, 5000, "Apple", 999);
+console.log(myGold)
+console.log(myJewellery)
+console.log(myShare)

tsconfig.json

@@ -0,0 +1,108 @@
+{
+    "compilerOptions": {
+        /* Visit https://aka.ms/tsconfig to read more about this file */
+        /* Projects */
+        // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
+        // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+        // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
+        // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
+        // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+        // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+        /* Language and Environment */
+        "target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+        // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+        // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+        // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
+        // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+        // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
+        // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+        // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
+        // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
+        // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+        // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+        // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+        /* Modules */
+        "module": "commonjs", /* Specify what module code is generated. */
+        // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+        // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+        // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+        // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+        // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+        // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+        // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
+        // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+        // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
+        // "allowImportingTsExtensions": true,               /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
+        // "resolvePackageJsonExports": true,                /* Use the package.json 'exports' field when resolving package imports. */
+        // "resolvePackageJsonImports": true,                /* Use the package.json 'imports' field when resolving imports. */
+        // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
+        // "resolveJsonModule": true,                        /* Enable importing .json files. */
+        // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+        // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+        /* JavaScript Support */
+        // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+        // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+        // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+        /* Emit */
+        // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+        // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+        // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+        // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+        // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+        // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
+        // "outDir": "./",                                   /* Specify an output folder for all emitted files. */
+        // "removeComments": true,                           /* Disable emitting comments. */
+        // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+        // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+        // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+        // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+        // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+        // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+        // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+        // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+        // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
+        // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
+        // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+        // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
+        // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+        /* Interop Constraints */
+        // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+        // "verbatimModuleSyntax": true,                     /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
+        // "isolatedDeclarations": true,                     /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */
+        // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+        "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+        // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+        "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
+        /* Type Checking */
+        "strict": true, /* Enable all strict type-checking options. */
+        // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+        // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+        // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+        // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+        // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+        // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+        // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+        // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+        // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+        // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+        // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+        // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+        // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+        // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+        // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+        // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+        // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+        // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+        /* Completeness */
+        // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+        "skipLibCheck": true /* Skip type checking all .d.ts files. */
+    },
+    "include": [
+        "src/**/*.ts"
+    ],
+    "exclude": [
+        "node_modules",
+        "dist",
+        "**/*.spec.ts"
+    ]
+}