Salah 0.4: center-magnified prayer times and larger clock

tests/focus.cjs

@@ -0,0 +1,40 @@
+const assert = require('node:assert/strict')
+const fs = require('node:fs')
+const vm = require('node:vm')
+const src = fs.readFileSync('src/pages/index/index.ux', 'utf8')
+const body = src.match(/<script>([\s\S]*?)<\/script>/)[1].replace(/import\s+\w+\s+from\s+'[^']*';?/, '').replace('export default', 'globalThis.spec =')
+const ctx = {prayer: require('../src/common/prayer.js'), setInterval: () => 1, clearInterval: () => {}}
+vm.createContext(ctx); vm.runInContext(body, ctx)
+const p = Object.assign({}, ctx.spec, JSON.parse(JSON.stringify(ctx.spec.private)))
+p.update()
+assert.equal(typeof p.onScroll, 'function', 'scroll handler drives center magnification')
+const size = i => parseFloat(p.rows[i].timeStyle.fontSize)
+p.onScroll({scrollY: 0})
+assert.equal(size(0), 60, 'first centered prayer gets 60px time')
+assert.ok(size(1) < size(0))
+p.onScroll({scrollY: 104})
+assert.equal(size(1), 60)
+assert.equal(size(0), size(2), 'symmetric shrink around center')
+p.onScroll({scrollY: 52})
+assert.equal(size(0), size(1), 'continuous interpolation between rows')
+assert.ok(size(0) > 30 && size(0) < 60)
+p.onScroll({scrollY: 520})
+assert.equal(size(5), 60, 'last prayer can be magnified')
+p.update()
+assert.equal(size(5), 60, 'clock refresh preserves scroll focus')
+for (const offset of [-100, 9999]) {
+ p.onScroll({scrollY: offset})
+ p.rows.forEach(row => assert.ok(parseFloat(row.timeStyle.fontSize) >= 30 && parseFloat(row.timeStyle.fontSize) <= 60))
+}
+const before = JSON.stringify(p.rows)
+for (const event of [undefined, {}, {scrollY: NaN}, {scrollY: Infinity}]) p.onScroll(event)
+assert.equal(JSON.stringify(p.rows), before, 'invalid events do not corrupt styles')
+assert.ok(!src.includes('SWIPE TO SCROLL'))
+assert.match(src, /onscroll="onScroll"/)
+assert.match(src, /style="\{\{ row.timeStyle \}\}"/)
+assert.match(src, /style="\{\{ row.nameStyle \}\}"/)
+function css(c,k) { return parseFloat(src.match(new RegExp('\\.'+c+'\\s*\\{([^}]+)'))[1].match(new RegExp(k+':\\s*([^;]+)'))[1]) }
+assert.equal(css('prayers','top') + css('prayers','height') / 2, 233, 'magnification center is physical screen center')
+assert.equal(css('row','height'), 104, 'fixed row geometry prevents scroll feedback')
+assert.ok(css('clock','font-size') > 42, 'header clock enlarged too')
+console.log('Center magnification, interpolation, end rows, refresh preservation, invalid events and wiring passed')

tests/page.cjs

@@ -94,6 +94,8 @@ function page() {
   p.onHide = spec.onHide
   p.onDestroy = spec.onDestroy
   p.update = spec.update
+  p.applyFocus = spec.applyFocus
+  p.onScroll = spec.onScroll
   p.rows = []
   return p
 }