Rendering engine, simple refs almost complete, list refs start

task_2_ts/index.html

@@ -22,15 +22,15 @@
     <main class="container-fluid">
         <article>
             <header>
-                <h2>Select csv data</h2>
+                <h2>Select CSV data</h2>
             </header>
             <form id="select-data-form">
                 <label for="file-input" class="custom-file-upload">
-                    <i class="fa fa-file-csv"></i> Select csv file to explore
+                    <i class="fa fa-file-csv"></i> Select CSV file to explore
                 </label>
                 <input id="file-input" type="file" aria-describedby="fileHelp" accept="text/csv" />
-                <small id="fileHelp">Please upload a csv file, where the first row is the header. And the values are
-                    comma(,) seperated.</small>
+                <small id="fileHelp">Please upload a CSV file, where the first row is the header. And the values are
+                    comma(,) separated.</small>
             </form>
         </article>
 
@@ -38,14 +38,32 @@
             <header>
                 <h2>Data infos</h2>
             </header>
-            <div id="data-info"></div>
+            <div id="data-info">
+                <h4>Filename</h4>
+                <p id="data-filename"></p>
+                <h4>File type</h4>
+                <p id="data-filetype"></p>
+                <h4>File size</h4>
+                <p id="data-filesize"></p>
+                <h4>Number of rows</h4>
+                <p id="data-rowcount"></p>
+            </div>
         </article>
 
         <article>
             <header>
                 <h2>Selected column infos</h2>
             </header>
-            <div id="column-info"></div>
+            <div id="column-info">
+                <h4>Filename</h4>
+                <p id="data-filename"></p>
+                <h4>File type</h4>
+                <p id="data-filetype"></p>
+                <h4>File size</h4>
+                <p id="data-filesize"></p>
+                <h4>Number of rows</h4>
+                <p id="data-rowcount"></p>
+            </div>
         </article>
 
         <article>

task_2_ts/ts/csv.ts

@@ -1,12 +1,15 @@
+import {
+    CSV_Data
+} from './types';
 import {
     csv2json
 } from 'json-2-csv';
 
-export type CSV_Data = Array<Record<string, unknown>>;
-
 const convertCSVtoJSON = async ( csvText: string ) => {
-    // Type cast OK, as the typing of the external library is not perfect.
-    // NOTE: On transpilation to JS, it will be (more or less) disregarded anyway
+    // Type cast OK, as the typing of the external library is not perfect -> Actually it is.
+    // NOTE: On transpilation to JS, it will be (more or less) disregarded anyway.
+    // If you claim it isn't good typing, it's the same as expecting it to guess the typing,
+    // which is literally impossible in TS. But sure...
     return ( await csv2json( csvText ) ) as CSV_Data;
 };
 

task_2_ts/ts/framework.ts

@@ -0,0 +1,140 @@
+// Yes, I could not be arsed to keep track of state manually, so wrote a framework real quick that
+// does that for me. I am well aware that this is well over engineered, but it was a lot of fun
+// and no, this is *NOT* AI generated (I know Claude likes to hallucinate that kinda stuff)
+// I will be trying to somewhat follow Vue naming here, as that is what I am familiar with
+//
+// It was also a nice exercise to get familiar with Generics in TypeScript, something I haven't
+// really used before
+
+export interface Ref<T> {
+    'set': ( data: T ) => void;
+    'get': () => T;
+    'addConditionalElements': ( elements: HTMLElement[] ) => void;
+}
+
+export interface ListRef<T> {
+    'set': ( data: T[] ) => void;
+    'get': () => T[];
+    'sort': ( compare: ( a: T, b: T ) => number ) => void;
+    'filter': ( predicate: ( value: T ) => boolean ) => void;
+}
+
+
+/**
+ * Responsive data (similar behaviour as in Vue.js)
+ * @template T - The data type you wish to use (as long as you don't want it to be a list)
+ * @param data - The data stored in this ref
+ * @param elements - The elements to bind to
+ */
+const ref = <T>( elements: HTMLElement[], data: T ): Ref<T> => {
+    let value: T = data;
+    let conditionalElements: HTMLElement[] = [];
+
+    // ───────────────────────────────────────────────────────────────────
+    const get = (): T => {
+        return value;
+    };
+
+    // ───────────────────────────────────────────────────────────────────
+    const set = ( data: T ): void => {
+        value = data;
+
+        // Update normal ref elements
+        elements.forEach( el => {
+            el.innerHTML = String( data );
+        } );
+
+        // Update conditional elements
+        conditionalElements.forEach( el => {
+            // convert to boolean (explicitly)
+            el.hidden = Boolean( data );
+        } );
+    };
+
+    /**
+     * Add elements to be rendered conditionally on this ref. Treats type as booleanish
+     * @param elements - The elements that are rendered consistently
+     */
+    const addConditionalElements = ( elements: HTMLElement[] ): void => {
+        conditionalElements = elements;
+    };
+
+    return {
+        set,
+        get,
+        addConditionalElements
+    };
+};
+
+
+// ───────────────────────────────────────────────────────────────────
+//          ╭───────────────────────────────────────────────╮
+//          │       List ref, dynamic list rendering        │
+//          ╰───────────────────────────────────────────────╯
+export type HTMLTagNames = 'div' | 'button' | 'p' | 'h1' | 'h2' | 'h3' | 'h4' | 'span';
+
+export interface RenderTemplate {
+    [name: string]: {
+        'type': HTMLTagNames;
+        'attribute': string;
+        'cssClasses': string[];
+    }
+}
+
+interface DiffList<T> {
+    'modified': T[];
+    'added': T[];
+    'removed': T[];
+}
+
+const listRef = <T>( parent: HTMLElement, data: T[] ): ListRef<T> => {
+    let value: T[] = data;
+    let rendered: T[] = [];
+
+    // ───────────────────────────────────────────────────────────────────
+    const get = (): T[] => {
+        return value;
+    };
+
+    // ───────────────────────────────────────────────────────────────────
+    const set = ( data: T[] ): void => {
+        const diffList: DiffList<T> = {
+            'modified': [],
+            'added': [],
+            'removed': []
+        };
+
+        value = data;
+        rendered = value;
+    };
+
+    const sort = ( compare: ( a: T, b: T ) => number ): void => {
+        // Re-render based on compare function
+    };
+
+    const filter = ( predicate: ( value: T ) => boolean ): void => {
+        const diffList: DiffList<T> = {
+            'modified': [],
+            'added': [],
+            'removed': []
+        };
+    };
+
+    return {
+        get,
+        set,
+        sort,
+        filter
+    };
+};
+
+// The list renderer using a DiffList
+const renderList = <T>( diffList: DiffList<T> ) => {
+
+};
+
+
+export default {
+    ref,
+    listRef
+};

task_2_ts/ts/types.d.ts

@@ -0,0 +1 @@
+export type CSV_Data = Array<Record<string, unknown>>;