#!/usr/bin/env node
//
// gen-crossings — write a self-contained HTML page showing the "crossings" (the
// 26 Human Design activations) AND the midpoint matrix for a birth moment, with
// a "Show midpoints" toggle. The chart is pre-computed here and inlined as JSON,
// so the page opens straight from disk with no server and no build step.
//
// Default birth: 1992-12-09 00:35 Europe/Brussels (Hasselt) — the golden
// reference chart in test/reference-charts.test.js.
//
// Usage:
// node scripts/gen-crossings.js
// node scripts/gen-crossings.js --date 1990-04-16 --time 05:35 --tz Europe/Brussels --out scripts/crossings.html
const fs = require('fs');
const path = require('path');
const { computeChart } = require('../src/chart');
function parseArgs(argv) {
const out = {};
const a = argv.slice(2);
for (let i = 0; i < a.length; i += 1) {
if (!a[i].startsWith('--')) continue;
const key = a[i].slice(2);
const next = a[i + 1];
if (next === undefined || next.startsWith('--')) out[key] = true;
else { out[key] = next; i += 1; }
}
return out;
}
function renderHtml(chart, label) {
const json = JSON.stringify(chart);
return `
Crossings & midpoints — ${label}
Crossings & midpoints
— the ${'26×26'} matrix of shorter-arc midpoints between every crossing.
Crossings — 26 activations
Body
Personality
P long°
Design
D long°
Midpoint matrix
Each cell is the Gene Key gate.line of the midpoint of its row & column crossing (shorter arc on the ecliptic). Hover a cell to highlight it.