Initial content

Chapter 20/Beginning of Chapter/sportsstore/dist/data/validation/basic_rules.js

@@ -0,0 +1,30 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.no_op = exports.required = exports.email = exports.minLength = void 0;
+const validator_1 = __importDefault(require("validator"));
+const minLength = (min) => (status) => {
+    if (!validator_1.default.isLength(status.value, { min })) {
+        status.setInvalid(true);
+        status.messages.push(`Enter at least ${min} characters`);
+    }
+};
+exports.minLength = minLength;
+const email = (status) => {
+    if (!validator_1.default.isEmail(status.value)) {
+        status.setInvalid(true);
+        status.messages.push("Enter an email address");
+    }
+};
+exports.email = email;
+const required = (status) => {
+    if (validator_1.default.isEmpty(status.value.toString(), { ignore_whitespace: true })) {
+        status.setInvalid(true);
+        status.messages.push("A value is required");
+    }
+};
+exports.required = required;
+const no_op = (status) => { };
+exports.no_op = no_op;

Chapter 20/Beginning of Chapter/sportsstore/dist/data/validation/index.js

@@ -0,0 +1,20 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./validation_types"), exports);
+__exportStar(require("./validator"), exports);
+__exportStar(require("./basic_rules"), exports);
+__exportStar(require("./order_rules"), exports);

Chapter 20/Beginning of Chapter/sportsstore/dist/data/validation/order_rules.js

@@ -0,0 +1,16 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddressValidator = exports.CustomerValidator = void 0;
+const validator_1 = require("./validator");
+const basic_rules_1 = require("./basic_rules");
+exports.CustomerValidator = new validator_1.Validator({
+    name: [basic_rules_1.required, (0, basic_rules_1.minLength)(6)],
+    email: basic_rules_1.email,
+    federatedId: basic_rules_1.no_op
+});
+exports.AddressValidator = new validator_1.Validator({
+    street: basic_rules_1.required,
+    city: basic_rules_1.required,
+    state: basic_rules_1.required,
+    zip: basic_rules_1.no_op
+});

Chapter 20/Beginning of Chapter/sportsstore/dist/data/validation/validation_types.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ValidationStatus = void 0;
+class ValidationStatus {
+    value;
+    invalid = false;
+    constructor(value) {
+        this.value = value;
+    }
+    get isInvalid() {
+        return this.invalid;
+    }
+    setInvalid(newValue) {
+        this.invalid = newValue || this.invalid;
+    }
+    messages = [];
+}
+exports.ValidationStatus = ValidationStatus;

Chapter 20/Beginning of Chapter/sportsstore/dist/data/validation/validator.js

@@ -0,0 +1,50 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getData = exports.isValid = exports.Validator = void 0;
+const validation_types_1 = require("./validation_types");
+class Validator {
+    rules;
+    breakOnInvalid;
+    constructor(rules, breakOnInvalid = true) {
+        this.rules = rules;
+        this.breakOnInvalid = breakOnInvalid;
+    }
+    async validate(data) {
+        const vdata = Object.entries(this.rules).map(async ([key, rules]) => {
+            const status = new validation_types_1.ValidationStatus(data?.[key] ?? "");
+            const rs = (Array.isArray(rules) ? rules : [rules]);
+            for (const r of rs) {
+                if (!status.isInvalid || !this.breakOnInvalid) {
+                    await r(status);
+                }
+            }
+            return [key, status];
+        });
+        const done = await Promise.all(vdata);
+        return Object.fromEntries(done);
+    }
+    validateOriginal(data) {
+        const vdata = Object.entries(this.rules).map(([key, rules]) => {
+            const status = new validation_types_1.ValidationStatus(data?.[key] ?? "");
+            (Array.isArray(rules) ? rules : [rules])
+                .forEach(async (rule) => {
+                if (!status.isInvalid || !this.breakOnInvalid) {
+                    await rule(status);
+                }
+            });
+            return [key, status];
+        });
+        return Object.fromEntries(vdata);
+    }
+}
+exports.Validator = Validator;
+function isValid(result) {
+    return Object.values(result)
+        .every(r => r.isInvalid === false);
+}
+exports.isValid = isValid;
+function getData(result) {
+    return Object.fromEntries(Object.entries(result)
+        .map(([key, status]) => [key, status.value]));
+}
+exports.getData = getData;