From fa50e52afc64958f48700e98c68efc5a5e06bd91 Mon Sep 17 00:00:00 2001
From: pietervdvn <pietervdvn@posteo.net>
Date: Fri, 15 Apr 2022 00:51:39 +0200
Subject: [PATCH] Add script to extract a layer from a theme

---
 scripts/extractLayer.ts | 53 +++++++++++++++++++++++++++++++++++++++++
 scripts/lint.ts         | 16 -------------
 2 files changed, 53 insertions(+), 16 deletions(-)
 create mode 100644 scripts/extractLayer.ts

diff --git a/scripts/extractLayer.ts b/scripts/extractLayer.ts
new file mode 100644
index 000000000..e8600d6ae
--- /dev/null
+++ b/scripts/extractLayer.ts
@@ -0,0 +1,53 @@
+import {LayoutConfigJson} from "../Models/ThemeConfig/Json/LayoutConfigJson";
+import {LayerConfigJson} from "../Models/ThemeConfig/Json/LayerConfigJson";
+import {existsSync, mkdirSync, readFileSync, writeFileSync} from "fs";
+
+function main(args: string[]){
+    if(args.length === 0){
+        console.log("Extracts an inline layer from a theme and places it in it's own layer directory.")
+        console.log("USAGE: ts-node scripts/extractLayerFromTheme.ts <themeid> <layerid>")
+        console.log("(Invoke with only the themename to see which layers can be extracted)")
+    }
+    const themeId = args[0]
+    const layerId = args[1]
+
+    const themePath = "./assets/themes/"+themeId+"/"+themeId+".json"
+    const contents = <LayoutConfigJson> JSON.parse(readFileSync(themePath, "UTF-8"))
+    const layers = <LayerConfigJson[]> contents.layers.filter(l => {
+        if(typeof l === "string"){
+            return false
+        }
+        if(l["override"] !== undefined){
+            return false
+        }
+        return true
+    })
+
+    if(layers.length === 0){
+        console.log("No layers can be extracted from this theme. The "+contents.layers.length+" layers are already substituted layers")
+        return
+    }
+
+    const layerConfig = layers.find(l => l.id === layerId)
+    if(layerId === undefined || layerConfig === undefined){
+        if(layerConfig === undefined){
+            console.error( "Layer "+layerId+" not found as inline layer")
+        }
+        console.log("Layers available for extraction are:")
+        console.log(layers.map(l => l.id).join("\n"))
+        return
+    }
+
+
+    const dir = "./assets/layers/"+layerId
+    if(!existsSync(dir)){
+        mkdirSync(dir)
+    }
+    writeFileSync(dir+"/"+layerId+".json", JSON.stringify(layerConfig, null, "  "))
+
+    const index = contents.layers.findIndex(l => l["id"] === layerId)
+    contents.layers[index] = layerId
+    writeFileSync(themePath, JSON.stringify(contents, null, "  "))
+}
+
+main(process.argv.slice(2))
\ No newline at end of file
diff --git a/scripts/lint.ts b/scripts/lint.ts
index 3ac0cc076..220bb3cc2 100644
--- a/scripts/lint.ts
+++ b/scripts/lint.ts
@@ -57,22 +57,6 @@ function addArticleToPresets(layerConfig: {presets?: {title: any}[]}){
     //*/
 }
 
-function extractInlineLayer(theme: LayoutConfigJson){
-    for (let i = 0; i < theme.layers.length; i++){
-        const layer = theme.layers[i];
-        if(typeof layer === "string"){
-            continue
-        }
-        if(layer["override"] !== undefined){
-            continue
-        }
-        const l = <LayerConfigJson> layer
-        mkdirSync("./assets/layers/"+l.id)
-        writeFileSync("./assets/layers/"+l.id+"/"+l.id+".json", JSON.stringify(l, null, "    "))
-        theme.layers[i] = l.id
-    }
-}
-
 const layerFiles = ScriptUtils.getLayerFiles();
 for (const layerFile of layerFiles) {
     try {