From e0ebee5aa9b3646de722f139f1d8d15591df538e Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 02 Jul 2023 20:08:29 +0000
Subject: [PATCH] various polish

---
 quartz/plugins/index.ts |   74 +++++++++++++++++++++++++++++++++++-
 1 files changed, 71 insertions(+), 3 deletions(-)

diff --git a/quartz/plugins/index.ts b/quartz/plugins/index.ts
index 4d0b600..c55e4dd 100644
--- a/quartz/plugins/index.ts
+++ b/quartz/plugins/index.ts
@@ -1,5 +1,73 @@
+import { GlobalConfiguration } from '../cfg'
+import { QuartzComponent } from '../components/types'
 import { StaticResources } from '../resources'
-import { PluginTypes } from './types'
+import { joinStyles } from '../theme'
+import { EmitCallback, PluginTypes } from './types'
+import styles from '../styles/base.scss'
+
+export type ComponentResources = {
+  css: string[],
+  beforeDOMLoaded: string[],
+  afterDOMLoaded: string[]
+}
+
+export function getComponentResources(plugins: PluginTypes): ComponentResources {
+  const allComponents: Set<QuartzComponent> = new Set()
+  for (const emitter of plugins.emitters) {
+    const components = emitter.getQuartzComponents()
+    for (const component of components) {
+      allComponents.add(component)
+    }
+  }
+
+  const componentResources: ComponentResources = {
+    css: [],
+    beforeDOMLoaded: [],
+    afterDOMLoaded: []
+  }
+
+  for (const component of allComponents) {
+    const { css, beforeDOMLoaded, afterDOMLoaded } = component
+    if (css) {
+      componentResources.css.push(css)
+    }
+    if (beforeDOMLoaded) {
+      componentResources.beforeDOMLoaded.push(beforeDOMLoaded)
+    }
+    if (afterDOMLoaded) {
+      componentResources.afterDOMLoaded.push(afterDOMLoaded)
+    }
+  }
+
+  return componentResources
+}
+
+function joinScripts(scripts: string[]): string {
+  // wrap with iife to prevent scope collision
+  return scripts.map(script => `(function () {${script}})();`).join("\n")
+}
+
+export async function emitComponentResources(cfg: GlobalConfiguration, res: ComponentResources, emit: EmitCallback): Promise<string[]> {
+  const fps = await Promise.all([
+    emit({
+      slug: "index",
+      ext: ".css",
+      content: joinStyles(cfg.theme, styles, ...res.css)
+    }),
+    emit({
+      slug: "prescript",
+      ext: ".js",
+      content: joinScripts(res.beforeDOMLoaded)
+    }),
+    emit({
+      slug: "postscript",
+      ext: ".js",
+      content: joinScripts(res.afterDOMLoaded)
+    })
+  ])
+  return fps
+
+}
 
 export function getStaticResourcesFromPlugins(plugins: PluginTypes) {
   const staticResources: StaticResources = {
@@ -7,8 +75,8 @@
     js: [],
   }
 
-  for (const plugin of plugins.transformers) {
-    const res = plugin.externalResources
+  for (const transformer of plugins.transformers) {
+    const res = transformer.externalResources ? transformer.externalResources() : {}
     if (res?.js) {
       staticResources.js = staticResources.js.concat(res.js)
     }

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