add roughjsconfig option

CHANGELOG.md

@@ -19,6 +19,7 @@ and adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 -   Created a CLI for MemoryViz.
 -   Added `--height` and `--width` options to MemoryViz CLI.
+-   Added `--roughjs_config` option to MemoryViz CLI.
 
 ### 🐛 Bug fixes
 

memory-viz/bin/cli.js

@@ -5,6 +5,18 @@ const path = require("path");
 const { draw } = require("memory-viz");
 const { program } = require("commander");
 
+function parseRoughjsConfig(input) {
+    let config = {};
+    const pairs = input.split(",");
+
+    pairs.forEach((pair) => {
+        const [key, val] = pair.split("=");
+        config[key] = val;
+    });
+
+    return config;
+}
+
 program
     .description(
         "Command line interface for generating memory model diagrams with MemoryViz"
@@ -14,14 +26,20 @@ program
         "path to a file containing MemoryViz-compatible JSON"
     )
     .option("--width <value>", "width of generated SVG", "1300")
-    .option("--height <value>", "height of generated SVG");
+    .option("--height <value>", "height of generated SVG")
+    .option(
+        "--roughjs-config <key1=value1,key2=value2,...>",
+        "various options to configure how the SVG is drawn" +
+            " - refer to rough.js documentation for available options",
+        parseRoughjsConfig
+    );
 
 program.parse();
 
 const filePath = program.args[0];
 const absolutePath = path.resolve(process.cwd(), filePath);
 
-// Checks if absolutePath exists and that it is a JSON file
+// Checks if absolutePath exists
 let fileContent;
 if (!fs.existsSync(absolutePath)) {
     console.error(`Error: File ${absolutePath} does not exist.`);
@@ -40,17 +58,13 @@ try {
 
 let m;
 try {
-    // TODO: Replace seed with command-line arguments
     m = draw(data, true, {
         width: program.opts().width,
         height: program.opts().height,
-        roughjs_config: { options: { seed: 12345 } },
+        roughjs_config: { options: program.opts().roughjsConfig },
     });
 } catch (err) {
-    console.error(
-        `This is valid JSON but not valid Memory Models JSON.` +
-            `Please refer to the repo for more details.`
-    );
+    console.error(`Error: ${err.message}`);
     process.exit(1);
 }