Table of coffee brew ratios, made in Typst with dynamic calculation of values

brew-ratios.typ

#import "@preview/zero:0.5.0": num, format-table

// Configure output
#set text(font: "Libertinus Serif")
#show math.equation: set text(font: "Libertinus Math")

#let min-water = 200
#let max-water = 500
#let min-ratio = 13
#let max-ratio = 20
#let insert-golden-ratio = true

// Compute the table values
#let ratios = range(min-ratio, max-ratio + 1)
#let header = ()
#let contents = ()
#{
    for ratio in ratios {
        header.push([*1:#ratio*])
    }
    for water in range(min-water, max-water + 1, step: 50) {
        contents.push([*#water*#h(.16em, weak: true)ml])
        for ratio in ratios {
            contents.push(num(water / ratio, digits: 1))
        }
    }
}

#if insert-golden-ratio {
    let idx = ratios.position(x => x == 16) + 1
    let row-len = 2 + ratios.len()

    header.insert(idx, [*1:16.#overline[6]*])
    for (j, water) in range(min-water, max-water + 1, step: 50).enumerate() {
        contents.insert(1 + idx + j * row-len, num(water / 16.6666, digits: 0))
    }
}

// Style the table
#let water-rows = int(calc.round((max-water - min-water) / 50) + 1)
#let ratio-cols = header.len()
#let table-fmt = (none, none) + (auto,) * ratio-cols
#show: format-table(..table-fmt)

#let frame(stroke) = (x, y) => (
    left: if x != 1 or y in (0, water-rows + 2) { 0pt } else { stroke },
    right: if y not in (0, water-rows + 2) { stroke },
    top: if (y not in (1, 2, water-rows + 2) or x == 0) { 0pt } else { stroke },
    bottom: 0pt,
)

#set table(
    fill: (x, y) => if calc.even(y) and x > 0 and y > 1 and y < (water-rows + 2) { rgb("EAF2F5") },
    stroke: frame(1pt),
)

// Output the table
#table(
    align: center,
    columns: (1.5em, auto) + (1fr,) * ratio-cols,
    [], [],
    table.cell(align: horizon + center, colspan: ratio-cols)[*Brew ratio*],
    [], [],
    ..header,
    table.cell(align: horizon + center, rowspan: water-rows, rotate(-90deg, [
        *Water*
    ])),
    ..contents,
    [], [],
    table.cell(align: horizon + center, colspan: ratio-cols)[*Grams of coffee by amount of water & desired brew ratio*],
)