Print sizes generator script

print-sizes.ts

import {
	comp,
	groupByObj,
	map,
	multiplex,
	noop,
	pairs,
	postProcess,
	pushKeys,
	range2d,
	transduce,
} from "@thi.ng/transducers";
import { formatQuantity, quantity } from "@thi.ng/units";

// produce all possible 2D sizes in semi-open min/max interval
const sizes = range2d(4, 15, 4, 15);

// main transformation of input sizes
const groups = transduce(
	// compose transducer steps
	comp(
		// first build tuples of:
		// original size and formatted as inches and centimeters
		multiplex(
			noop(),
			map((size) => formatQuantity(quantity(size, "inch"), "inch", 0)),
			map((size) => formatQuantity(quantity(size, "inch"), "cm", 0))
		),
		// then build final format, still keeping original size
		map(([size, inch, cm]) => [size, `${inch} (${cm})`])
	),
	// group all results based on their aspect ratio
	groupByObj<[number[], string], string>({
		// grouping criteria
		key: ([[x, y]]) =>
			x === y ? "square" : x < y ? "portrait" : "landscape",
		// for each group only keep formatted values
		// post process each group to join values into single string
		group: postProcess(pushKeys(1), (x) => x.join("\n")),
	}),
	// input sizes
	sizes
);

// print groups
for (let [id, sizes] of pairs(groups)) {
	console.log(`${id}:\n${sizes}\n`);
}

result.txt

square:
4 × 4 inch (10 × 10 cm)
5 × 5 inch (13 × 13 cm)
6 × 6 inch (15 × 15 cm)
7 × 7 inch (18 × 18 cm)
8 × 8 inch (20 × 20 cm)
9 × 9 inch (23 × 23 cm)
10 × 10 inch (25 × 25 cm)
11 × 11 inch (28 × 28 cm)
12 × 12 inch (30 × 30 cm)
13 × 13 inch (33 × 33 cm)
14 × 14 inch (36 × 36 cm)

landscape:
5 × 4 inch (13 × 10 cm)
6 × 4 inch (15 × 10 cm)
7 × 4 inch (18 × 10 cm)
8 × 4 inch (20 × 10 cm)
9 × 4 inch (23 × 10 cm)
10 × 4 inch (25 × 10 cm)
11 × 4 inch (28 × 10 cm)
12 × 4 inch (30 × 10 cm)
13 × 4 inch (33 × 10 cm)
14 × 4 inch (36 × 10 cm)
6 × 5 inch (15 × 13 cm)
7 × 5 inch (18 × 13 cm)
8 × 5 inch (20 × 13 cm)
9 × 5 inch (23 × 13 cm)
10 × 5 inch (25 × 13 cm)
11 × 5 inch (28 × 13 cm)
12 × 5 inch (30 × 13 cm)
13 × 5 inch (33 × 13 cm)
14 × 5 inch (36 × 13 cm)
7 × 6 inch (18 × 15 cm)
8 × 6 inch (20 × 15 cm)
9 × 6 inch (23 × 15 cm)
10 × 6 inch (25 × 15 cm)
11 × 6 inch (28 × 15 cm)
12 × 6 inch (30 × 15 cm)
13 × 6 inch (33 × 15 cm)
14 × 6 inch (36 × 15 cm)
8 × 7 inch (20 × 18 cm)
9 × 7 inch (23 × 18 cm)
10 × 7 inch (25 × 18 cm)
11 × 7 inch (28 × 18 cm)
12 × 7 inch (30 × 18 cm)
13 × 7 inch (33 × 18 cm)
14 × 7 inch (36 × 18 cm)
9 × 8 inch (23 × 20 cm)
10 × 8 inch (25 × 20 cm)
11 × 8 inch (28 × 20 cm)
12 × 8 inch (30 × 20 cm)
13 × 8 inch (33 × 20 cm)
14 × 8 inch (36 × 20 cm)
10 × 9 inch (25 × 23 cm)
11 × 9 inch (28 × 23 cm)
12 × 9 inch (30 × 23 cm)
13 × 9 inch (33 × 23 cm)
14 × 9 inch (36 × 23 cm)
11 × 10 inch (28 × 25 cm)
12 × 10 inch (30 × 25 cm)
13 × 10 inch (33 × 25 cm)
14 × 10 inch (36 × 25 cm)
12 × 11 inch (30 × 28 cm)
13 × 11 inch (33 × 28 cm)
14 × 11 inch (36 × 28 cm)
13 × 12 inch (33 × 30 cm)
14 × 12 inch (36 × 30 cm)
14 × 13 inch (36 × 33 cm)

portrait:
4 × 5 inch (10 × 13 cm)
4 × 6 inch (10 × 15 cm)
5 × 6 inch (13 × 15 cm)
4 × 7 inch (10 × 18 cm)
5 × 7 inch (13 × 18 cm)
6 × 7 inch (15 × 18 cm)
4 × 8 inch (10 × 20 cm)
5 × 8 inch (13 × 20 cm)
6 × 8 inch (15 × 20 cm)
7 × 8 inch (18 × 20 cm)
4 × 9 inch (10 × 23 cm)
5 × 9 inch (13 × 23 cm)
6 × 9 inch (15 × 23 cm)
7 × 9 inch (18 × 23 cm)
8 × 9 inch (20 × 23 cm)
4 × 10 inch (10 × 25 cm)
5 × 10 inch (13 × 25 cm)
6 × 10 inch (15 × 25 cm)
7 × 10 inch (18 × 25 cm)
8 × 10 inch (20 × 25 cm)
9 × 10 inch (23 × 25 cm)
4 × 11 inch (10 × 28 cm)
5 × 11 inch (13 × 28 cm)
6 × 11 inch (15 × 28 cm)
7 × 11 inch (18 × 28 cm)
8 × 11 inch (20 × 28 cm)
9 × 11 inch (23 × 28 cm)
10 × 11 inch (25 × 28 cm)
4 × 12 inch (10 × 30 cm)
5 × 12 inch (13 × 30 cm)
6 × 12 inch (15 × 30 cm)
7 × 12 inch (18 × 30 cm)
8 × 12 inch (20 × 30 cm)
9 × 12 inch (23 × 30 cm)
10 × 12 inch (25 × 30 cm)
11 × 12 inch (28 × 30 cm)
4 × 13 inch (10 × 33 cm)
5 × 13 inch (13 × 33 cm)
6 × 13 inch (15 × 33 cm)
7 × 13 inch (18 × 33 cm)
8 × 13 inch (20 × 33 cm)
9 × 13 inch (23 × 33 cm)
10 × 13 inch (25 × 33 cm)
11 × 13 inch (28 × 33 cm)
12 × 13 inch (30 × 33 cm)
4 × 14 inch (10 × 36 cm)
5 × 14 inch (13 × 36 cm)
6 × 14 inch (15 × 36 cm)
7 × 14 inch (18 × 36 cm)
8 × 14 inch (20 × 36 cm)
9 × 14 inch (23 × 36 cm)
10 × 14 inch (25 × 36 cm)
11 × 14 inch (28 × 36 cm)
12 × 14 inch (30 × 36 cm)
13 × 14 inch (33 × 36 cm)