From 1794d52731607baa3f80ea6a5ab2dbac5bd747ef Mon Sep 17 00:00:00 2001
From: Henry Jameson <me@hjkos.com>
Date: Thu, 19 Sep 2024 15:43:38 +0300
Subject: [PATCH] changelog

---
 changelog.d/browsers-support.change       |  9 ++++
 src/services/theme_data/iss_serializer.js | 62 +++++++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 changelog.d/browsers-support.change
 create mode 100644 src/services/theme_data/iss_serializer.js

diff --git a/changelog.d/browsers-support.change b/changelog.d/browsers-support.change
new file mode 100644
index 00000000..a62e5024
--- /dev/null
+++ b/changelog.d/browsers-support.change
@@ -0,0 +1,9 @@
+Updated our build system to support browsers:
+  Safari >= 15
+  Firefox >= 115
+  Android > 4
+  no Opera Mini support
+  no IE support
+  no "dead" (unmaintained) browsers support
+
+This does not guarantee that browsers will or will not work.
diff --git a/src/services/theme_data/iss_serializer.js b/src/services/theme_data/iss_serializer.js
new file mode 100644
index 00000000..39151e41
--- /dev/null
+++ b/src/services/theme_data/iss_serializer.js
@@ -0,0 +1,62 @@
+import { unroll } from './iss_utils'
+
+const getCanonicState = (state) => {
+  if (state) {
+    return ['normal', ...state.filter(x => x !== 'normal')]
+  } else {
+    return ['normal']
+  }
+}
+
+const getCanonicRuleHeader = ({
+  component,
+  variant = 'normal',
+  parent,
+  state
+}) => ({
+  component,
+  variant,
+  parent,
+  state: getCanonicState(state)
+})
+
+const prepareRule = (rule) => {
+  const { parent } = rule
+  const chain = [...unroll(parent), rule].map(getCanonicRuleHeader)
+  const header = chain.map(({ component, variant, state }) => [
+    component,
+    variant === 'normal' ? '' : ('.' + variant),
+    state.filter(s => s !== 'normal').map(s => ':' + s).join('')
+  ].join('')).join(' ')
+
+  console.log(header, rule.directives)
+  const content = Object.entries(rule.directives).map(([key, value]) => {
+    let realValue = value
+
+    switch (key) {
+      case 'shadow':
+        realValue = realValue.map(v => `${v.inset ? 'inset ' : ''}${v.x} ${v.y} ${v.blur} ${v.spread} ${v.color} / ${v.alpha}`)
+    }
+
+    if (Array.isArray(realValue)) {
+      realValue = realValue.join(', ')
+    }
+
+    return `  ${key}: ${realValue};`
+  }).sort().join('\n')
+
+  return [
+    header,
+    content
+  ]
+}
+
+export const serialize = (ruleset) => {
+  // Scrapped idea: automatically combine same-set directives
+  // problem: might violate the order rules
+
+  return ruleset.filter(r => Object.keys(r.directives).length > 0).map(r => {
+    const [header, content] = prepareRule(r)
+    return `${header} {\n${content}\n}\n\n`
+  })
+}