Added table feature

experiments/feature-stub.mjs

@@ -0,0 +1,30 @@
+
+import { Stub } from '@efforting.tech/feature/stub';
+/*
+
+export function Stub(meta, name, description, module_name, function_name) {
+	return function stub() {
+		throw new Error(`The feature "${name}" of "${meta.url}" is not enabled. Enable it by calling "${function_name}(${this.name})" imported from "${module_name}"`);	//TODO - specific error
+	}
+}
+
+*/
+
+class Thing {
+
+	static from_stuff = Stub(import.meta, 'stuff-loader', 'Creates Thing from stuff', '@efforting.tech/stuff/loader', 'enable_stuff_loader');
+
+}
+
+Thing.from_stuff()
+
+/*
+
+Error: The feature "stuff-loader" of "file:///srv/Projekt/efforting.tech/nodejs.esm-library/experiments/generic-parser-2.mjs" is not enabled. Enable it by calling "enable_stuff_loader(Thing)" imported from "@efforting.tech/stuff/loader"
+    at Thing.stub [as from_stuff] (file:///srv/Projekt/efforting.tech/nodejs.esm-library/build/packages/feature/stub.mjs:4:9)
+    at file:///srv/Projekt/efforting.tech/nodejs.esm-library/experiments/generic-parser-2.mjs:10:7
+    at ModuleJob.run (node:internal/modules/esm/module_job:430:25)
+    at async node:internal/modules/esm/loader:639:26
+    at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:101:5)
+
+*/

experiments/table-1.mjs

@@ -0,0 +1,23 @@
+import { Row_Based_Table } from '@efforting.tech/table'
+
+
+const t = new Row_Based_Table({ column_names: 'SKU, Quantity, Price' });
+
+//console.log(t.column_names_lut);	/* { SKU: 0, Quantity: 1, Price: 2 } */
+
+t.push_rows(
+	['VOLVO-1', 3, 120_000],
+	['VOLVO-2', 4, 140_000],
+)
+
+const [A] = t.read_rows(0);
+const [B] = t.snapshot_rows(1);
+
+console.log(A.value);
+console.log(B.value);
+A.update({Quantity: 5});
+console.log(A.value);
+
+for (const r of t) {
+	console.log(r.object);
+}

experiments/table-2.mjs

@@ -0,0 +1,34 @@
+import { Row_Based_Table } from '@efforting.tech/table';
+import { load_raster_table } from '@efforting.tech/table/raster-table';
+
+
+const t = load_raster_table(`
+
+	SKU		Quantity		Price
+	---		--------		-----
+	V-1		2				120_000
+	V-2		3				140_000
+
+`, Row_Based_Table);
+
+
+// { row_name, column_name, row_index, column_index, row, cell }
+t.replace_all_cells(
+	({column_name, cell}) => {
+		const translation = {
+			SKU: (s) => s.trim(),
+			Quantity: parseInt,
+			Price: (p) => parseFloat(p.replace(/_/g, '')),
+		}[column_name];
+		return translation ? translation(cell) : cell;
+	}
+);
+
+for (const r of t) {
+	console.log(r.object);
+}
+
+/*
+{ SKU: 'V-1', Quantity: 2, Price: 120000 }
+{ SKU: 'V-2', Quantity: 3, Price: 140000 }
+*/