add day 2

2022-09-24 22:59:42 -05:00
parent 17197c8e6b
commit a09bc1d1b4
6 changed files with 1045 additions and 1 deletions
--- a/day2/script.js
+++ b/day2/script.js
@@ -0,0 +1,145 @@
+class Reactive {
+    constructor(obj) {
+        this.contents = obj;
+        this.objs = [obj]
+        this.listeners = {};
+        this.makeReactive(obj);
+    }
+
+    makeReactive(obj) {
+        Object.keys(obj).forEach(prop => this.makePropReactive(obj, prop));
+    }
+
+    makePropReactive(obj, key) {
+        let value = obj[key];
+
+        // Gotta be careful with this here
+        const that = this;
+
+        Object.defineProperty(obj, key, {
+            get() {
+                return value;
+            },
+            set(newValue) {
+                value = newValue;
+                that.notify(key)
+            }
+        })
+    }
+
+    listen(prop, handler) {
+        if (!this.listeners[prop]) this.listeners[prop] = [];
+
+        this.listeners[prop].push(handler);
+    }
+
+    notify(prop) {
+        this.listeners[prop].forEach(listener => listener(this.contents[prop]));
+    }
+}
+
+const compileToString = (template) => {
+    const ast = parse(template);
+    let fnStr = `\`\``;
+
+    ast.map(t => {
+        // checking to see if it is an interpolation
+        if (t.startsWith("{") && t.endsWith("}")) {
+            // append it to fnStr
+            const uuid = t.split(/{|}/).filter(Boolean)[0].trim().split("").map(c => c.charCodeAt(0).toString(16).padStart(2, "0")).join("");
+            fnStr = fnStr.substring(0, fnStr.length - 2) + ` data-token-${uuid}>\``;
+            fnStr += `+appState.contents.${t.split(/{|}/).filter(Boolean)[0].trim()}`;
+        } else {
+            // append the string to the fnStr
+            fnStr += `+\`${t}\``;
+        }
+    });
+
+    return fnStr;
+}
+
+var parse = (template) => {
+    let result = /{(.*?)}/g.exec(template);
+    const arr = [];
+    let firstPos;
+
+    while (result) {
+        firstPos = result.index;
+        if (firstPos !== 0) {
+            arr.push(template.substring(0, firstPos));
+            template = template.slice(firstPos);
+        }
+
+        arr.push(result[0]);
+        template = template.slice(result[0].length);
+        result = /{(.*?)}/g.exec(template);
+    }
+
+    if (template) arr.push(template);
+    return arr;
+}
+
+const compile = (template) => {
+    return new Function("data", "return " + compileToString(template))
+}
+
+const virtualDomBody = `
+<div class="grid place-items-center p-3 content-center min-h-screen">
+        <div class="p-6 max-h-3/6 border-neutral-800 rounded-lg container__count border">
+            <div class="mb-2">
+                <h2 class="text-xl font-semibold text-center">{count}</h2>
+            </div>
+            <div class="flex justify-center">
+                <button d-click="appState.contents.count--" class="transition-colors p-3 active:bg-red-700 hover:bg-red-600 hover:text-zinc-100 mr-1"><svg
+                        xmlns="http://www.w3.org/2000/svg"
+                        viewBox="-5 -11 24 24"
+                        width="24"
+                        fill="currentColor">
+                        <path d="M1 0h12a1 1 0 0 1 0 2H1a1 1 0 1 1 0-2z"></path>
+                    </svg></button>
+                <button d-click="appState.contents.count = 0" class="transition-colors p-3 active:bg-zinc-800 hover:bg-zinc-900 hover:text-red-100 mr-1">
+                    <svg xmlns="http://www.w3.org/2000/svg" viewBox="-1.5 -2.5 24 24" width="24" fill="currentColor"><path d="M17.83 4.194l.42-1.377a1 1 0 1 1 1.913.585l-1.17 3.825a1 1 0 0 1-1.248.664l-3.825-1.17a1 1 0 1 1 .585-1.912l1.672.511A7.381 7.381 0 0 0 3.185 6.584l-.26.633a1 1 0 1 1-1.85-.758l.26-.633A9.381 9.381 0 0 1 17.83 4.194zM2.308 14.807l-.327 1.311a1 1 0 1 1-1.94-.484l.967-3.88a1 1 0 0 1 1.265-.716l3.828.954a1 1 0 0 1-.484 1.941l-1.786-.445a7.384 7.384 0 0 0 13.216-1.792 1 1 0 1 1 1.906.608 9.381 9.381 0 0 1-5.38 5.831 9.386 9.386 0 0 1-11.265-3.328z"></path></svg>
+                </button>
+                <button d-click="appState.contents.count++" class="transition-colors p-3 active:bg-green-700 hover:bg-green-600 hover:text-green-100"><svg
+                        xmlns="http://www.w3.org/2000/svg"
+                        viewBox="-4.5 -4.5 24 24"
+                        width="24"
+                        fill="currentColor">
+                        <path d="M8.9 6.9v-5a1 1 0 1 0-2 0v5h-5a1 1 0 1 0 0 2h5v5a1 1 0 1 0 2 0v-5h5a1 1 0 1 0 0-2h-5z">
+                        </path>
+                    </svg></button>
+            </div>
+            <br/>
+            <div class="mb-2">
+                <h2 class="text-xl font-semibold text-center">{count}</h2>
+            </div>
+        </div>
+    </div>
+`
+
+
+const appState = new Reactive({
+    count: 0,
+});
+// run code to compile the templated virtualDomBody into a play body
+const templatedVirtualDom = eval(compileToString(virtualDomBody))
+
+// equivalent to mounted() on svelte or vue
+window.addEventListener('load', () => {
+    const documentBody = document.getElementById('app')
+    documentBody.innerHTML = templatedVirtualDom
+    Object.keys(appState.contents).forEach((e) => {
+        const querySelector = "data-token-" + e.split("").map(c => c.charCodeAt(0).toString(16).padStart(2, "0")).join("")
+        const listeningElements = document.querySelectorAll(`[${querySelector}]`)
+        listeningElements.forEach((elm) => {
+            appState.listen(e, (change) => elm.textContent = change);
+        })
+    })
+    let elms = documentBody.querySelectorAll('*[d-click]')
+    elms.forEach((e) => {
+        const clickFunction = new Function(e.getAttribute("d-click"))
+        e.addEventListener('click', () => {
+            clickFunction()
+        })
+    })
+})