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shown

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Statically-generated, responsive charts, without the need for client-side Javascript.

stephenhutchings.github.io/shown

stephenhutchings/shown

62 lines (50 loc) • 1.35 kB
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export const stepX = (points) => points.reduce((m, p1, i) => { if (i === 0) return m.concat("M", p1) else { const p0 = points[i - 1] const dx = p1[0] - p0[0] const dy = p1[1] - p0[1] if (dx !== 0) m.push("h", dx) if (dy !== 0) m.push("v", dy) return m } }, []) export const stepY = (points) => points.reduce((m, p1, i) => { if (i === 0) return m.concat("M", p1) else { const p0 = points[i - 1] const dx = p1[0] - p0[0] const dy = p1[1] - p0[1] if (dy !== 0) m.push("v", dy) if (dx !== 0) m.push("h", dx) return m } }, []) export const stepMidX = (points) => points.reduce((m, p1, i) => { if (i === 0) return m.concat("M", p1) else { const p0 = points[i - 1] const dx = (p1[0] - p0[0]) / 2 const dy = p1[1] - p0[1] if (dx !== 0) m.push("h", dx) if (dy !== 0) m.push("v", dy) if (dx !== 0) m.push("h", dx) return m } }, []) export const stepMidY = (points) => points.reduce((m, p1, i) => { if (i === 0) return m.concat("M", p1) else { const p0 = points[i - 1] const dx = p1[0] - p0[0] const dy = (p1[1] - p0[1]) / 2 if (dy !== 0) m.push("v", dy) if (dx !== 0) m.push("h", dx) if (dy !== 0) m.push("v", dy) return m } }, [])