A test of a PWA app, which is still rubbish

otg/pwa/package-lock.json

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       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
@@ -3697,6 +4004,27 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/mkdirp": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+      "dev": true,
+      "dependencies": {
+        "minimist": "^1.2.6"
+      },
+      "bin": {
+        "mkdirp": "bin/cmd.js"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -3740,6 +4068,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/object-inspect": {
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
+      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -3763,6 +4100,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/opener": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/opener/-/opener-1.5.2.tgz",
+      "integrity": "sha512-ur5UIdyw5Y7yEj9wLzhqXiy6GZ3Mwx0yGI+5sMn2r0N0v3cKJvUmFH5yPP+WXh9e0xfyzyJX95D8l088DNFj7A==",
+      "dev": true,
+      "bin": {
+        "opener": "bin/opener-bin.js"
+      }
+    },
     "node_modules/optionator": {
       "version": "0.9.4",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
@@ -3976,6 +4322,29 @@
         "node": ">=8"
       }
     },
+    "node_modules/portfinder": {
+      "version": "1.0.32",
+      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.32.tgz",
+      "integrity": "sha512-on2ZJVVDXRADWE6jnQaX0ioEylzgBpQk8r55NE4wjXW1ZxO+BgDlY6DXwj20i0V8eB4SenDQ00WEaxfiIQPcxg==",
+      "dev": true,
+      "dependencies": {
+        "async": "^2.6.4",
+        "debug": "^3.2.7",
+        "mkdirp": "^0.5.6"
+      },
+      "engines": {
+        "node": ">= 0.12.0"
+      }
+    },
+    "node_modules/portfinder/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dev": true,
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -4049,6 +4418,21 @@
         }
       ]
     },
+    "node_modules/qs": {
+      "version": "6.12.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.12.1.tgz",
+      "integrity": "sha512-zWmv4RSuB9r2mYQw3zxQuHWeU+42aKi1wWig/j4ele4ygELZ7PEO6MM7rim9oAQH2A5MWfsAVf/jPvTPgCbvUQ==",
+      "dev": true,
+      "dependencies": {
+        "side-channel": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
@@ -4068,6 +4452,17 @@
         }
       ]
     },
+    "node_modules/react": {
+      "version": "18.3.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
+      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
+      "dependencies": {
+        "loose-envify": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
@@ -4083,6 +4478,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/requires-port": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+      "integrity": "sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==",
+      "dev": true
+    },
     "node_modules/resolve": {
       "version": "1.22.8",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.8.tgz",
@@ -4185,6 +4586,24 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "dev": true
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
+    },
+    "node_modules/secure-compare": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/secure-compare/-/secure-compare-3.0.1.tgz",
+      "integrity": "sha512-AckIIV90rPDcBcglUwXPF3kg0P0qmPsPXAj6BBEENQE1p5yA1xfmDJzfi1Tappj37Pv2mVbKpL3Z1T+Nn7k1Qw==",
+      "dev": true
+    },
     "node_modules/semver": {
       "version": "7.6.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.2.tgz",
@@ -4196,6 +4615,23 @@
         "node": ">=10"
       }
     },
+    "node_modules/set-function-length": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
+      "integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
+      "dev": true,
+      "dependencies": {
+        "define-data-property": "^1.1.4",
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2",
+        "get-intrinsic": "^1.2.4",
+        "gopd": "^1.0.1",
+        "has-property-descriptors": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -4215,6 +4651,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/side-channel": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.6.tgz",
+      "integrity": "sha512-fDW/EZ6Q9RiO8eFG8Hj+7u/oW+XrPTIChwCOM2+th2A6OblDtYYIpve9m+KvI9Z4C9qSEXlaGR6bTEYHReuglA==",
+      "dev": true,
+      "dependencies": {
+        "call-bind": "^1.0.7",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.4",
+        "object-inspect": "^1.13.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/signal-exit": {
       "version": "3.0.7",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
@@ -4549,6 +5003,18 @@
       "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
       "dev": true
     },
+    "node_modules/union": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
+      "dev": true,
+      "dependencies": {
+        "qs": "^6.4.0"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.0.16",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.16.tgz",
@@ -4588,6 +5054,12 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/url-join": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
+      "dev": true
+    },
     "node_modules/v8-to-istanbul": {
       "version": "9.2.0",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.2.0.tgz",
@@ -4611,6 +5083,18 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/whatwg-encoding": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz",
+      "integrity": "sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==",
+      "dev": true,
+      "dependencies": {
+        "iconv-lite": "0.6.3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",

otg/pwa/package.json

@@ -9,7 +9,7 @@
     "test": "jest",
     "test:watch": "jest --watch"
   },
-  "author": "",
+  "author": "Savanni D'Gerinel <savanni@luminescent-dreams.com>",
   "license": "GPL-3.0-or-later",
   "dependencies": {
     "@typescript-eslint/eslint-plugin": "^7.10.0",
@@ -17,6 +17,7 @@
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
+    "http-server": "^14.1.1",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.3"
   }

otg/pwa/src/conversions.test.ts

@@ -0,0 +1,37 @@
+import { c_to_k, f_to_k, k_to_c, k_to_f } from './conversions';
+
+describe('temperature conversions', () => {
+    it('should convert celsius to kelvin', () => {
+        expect(c_to_k(0)).toBe(273.15);
+        expect(c_to_k(100)).toBe(373.15);
+    });
+
+    it('should convert fahrenheit to kelvin', () => {
+        expect(f_to_k(32)).toBe(273.15);
+        expect(f_to_k(212)).toBe(373.15);
+    });
+
+    it('should convert kelvin to celsius', () => {
+        expect(k_to_c(273.15)).toBe(0);
+        expect(k_to_c(373.15)).toBe(100);
+    });
+
+    it('should convert kelvin to fahrenheit', () => {
+        expect(k_to_f(273.15)).toBe(32);
+        expect(k_to_f(373.15)).toBe(212);
+    });
+});
+
+/*
+import { getMessage } from './index'
+
+describe('getMessage()', () => {
+    it('should return the correct message when called', () => {
+        expect(getMessage()).toBe('Hello, world')
+    })
+
+    it('should be super smart', () => {
+        expect(true).toBe(true)
+    })
+})
+*/

otg/pwa/src/conversions.ts

@@ -0,0 +1,6 @@
+export const c_to_k = (value: number) => value + 273.15;
+export const f_to_k = (value: number) => ((value - 32) * 5 / 9) + 273.15;
+export const k_to_c = (value: number) => value - 273.15;
+export const k_to_f = (value: number) => (value - 273.15) * 9 / 5 + 32;
+
+

otg/pwa/src/index.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <title>On The Grid</title>
+<style>
+:body {
+    font-family: "sans-serif";
+}
+</style>
+    </head>
+
+    <body>
+        <div id="app"></div>
+        <script type="module" src="./index.js"></script>
+    </body>
+</html>

otg/pwa/src/index.test.ts

@@ -1,11 +0,0 @@
-import { getMessage } from './index'
-
-describe('getMessage()', () => {
-    it('should return the correct message when called', () => {
-        expect(getMessage()).toBe('Hello, world')
-    })
-
-    it('should be super smart', () => {
-        expect(true).toBe(true)
-    })
-})

otg/pwa/src/index.ts

@@ -1,3 +1,83 @@
-const message: string = 'Hello, world'
+import { c_to_k, f_to_k, k_to_c, k_to_f } from './conversions';
+
+interface TemperatureChanged {
+    source: string,
+    value: number,
+}
+
+class TemperatureField extends HTMLElement {
+    static observedAttributes = ['value'];
+
+    value = 0;
+    inputElement: HTMLInputElement;
+    shadow: ShadowRoot;
+
+    constructor() {
+        super();
+        this.inputElement = document.createElement('input');
+        this.inputElement.type = "text";
+        this.shadow = this.attachShadow({ mode: 'open' });
+    }
+
+    connectedCallback() {
+        this.render();
+        this.inputElement.onchange = ev => {
+            if (ev.target instanceof HTMLInputElement) {
+                let value = parseFloat(ev.target.value);
+
+                if (this.id == "f") {
+                    const event = new CustomEvent('temperature-changed', { detail: { source: this.id, value: f_to_k(value) } });
+                    this.dispatchEvent(event);
+                } else if (this.id == "c") {
+                    const event = new CustomEvent('temperature-changed', { detail: { source: this.id, value: c_to_k(value) } });
+                    this.dispatchEvent(event);
+                } else if (this.id == "k") {
+                    const event = new CustomEvent('temperature-changed', { detail: { source: this.id, value } });
+                    this.dispatchEvent(event);
+                }
+            }
+        }
+    }
+
+    render() {
+        this.shadow.appendChild(this.inputElement);
+    }
+
+    setTemperature(v: number) {
+        console.log("set the temperature on ", this.id, "to ", v);
+    }
+}
+
+class App {
+    temperatureK = 0;
+
+    updateTemperature(value: number) {
+        const f = document.getElementById("f");
+        if (f instanceof TemperatureField) {
+            f.setTemperature(value);
+        }
+        const c = document.getElementById("c");
+        if (c instanceof TemperatureField) {
+            c.setTemperature(value);
+        }
+        const k = document.getElementById("k");
+        if (k instanceof TemperatureField) {
+            k.setTemperature(value);
+        }
+    }
+}
+
+window.customElements.define('temperature-field', TemperatureField);
+
+const app = new App();
+
+document.getElementById("f")?.addEventListener('temperature-changed', ev => {
+    if (ev instanceof CustomEvent) { app.updateTemperature(ev.detail.value) }
+});
+document.getElementById("c")?.addEventListener('temperature-changed', ev => {
+    if (ev instanceof CustomEvent) { app.updateTemperature(ev.detail.value) }
+});
+document.getElementById("k")?.addEventListener('temperature-changed', ev => {
+    if (ev instanceof CustomEvent) { app.updateTemperature(ev.detail.value) }
+});
 
-export const getMessage = () => message

otg/pwa/tsconfig.json

@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
+    "strict": true,
     "target": "ESNext",
-    "module": "commonjs"
+    "module": "commonjs",
-  },
     "rootDir": "./src",
     "outDir": "./dist",
     "esModuleInterop": true,
@@ -10,3 +10,4 @@
     "strict": true,
     "skipLibCheck": true
   }
+}