larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/source-map/dist/utils.js.flow

@@ -0,0 +1,60 @@
+// @flow
+import type { VLQMap, SourceMapStringifyOptions } from './types';
+import path from 'path';
+
+export function generateInlineMap(map: string): string {
+  return `data:application/json;charset=utf-8;base64,${Buffer.from(map).toString('base64')}`;
+}
+
+export async function partialVlqMapToSourceMap(map: VLQMap, opts: SourceMapStringifyOptions): Promise<VLQMap | string> {
+  let { fs, file, sourceRoot, inlineSources, rootDir, format = 'string' } = opts;
+
+  let resultMap = {
+    ...map,
+    sourcesContent: map.sourcesContent
+      ? map.sourcesContent.map((content) => {
+          if (content) {
+            return content;
+          } else {
+            return null;
+          }
+        })
+      : [],
+    version: 3,
+    file,
+    sourceRoot,
+  };
+
+  if (resultMap.sourcesContent.length < resultMap.sources.length) {
+    for (let i = 0; i <= resultMap.sources.length - resultMap.sourcesContent.length; i++) {
+      resultMap.sourcesContent.push(null);
+    }
+  }
+
+  if (fs) {
+    resultMap.sourcesContent = await Promise.all(
+      resultMap.sourcesContent.map(async (content, index): Promise<string | null> => {
+        let sourceName = map.sources[index];
+        // If sourceName starts with `..` it is outside rootDir, in this case we likely cannot access this file from the browser or packaged node_module
+        // Because of this we have to include the sourceContent to ensure you can always see the sourcecontent for each mapping.
+        if (!content && (inlineSources || sourceName.startsWith('..'))) {
+          try {
+            return await fs.readFile(path.resolve(rootDir || '/', sourceName), 'utf-8');
+          } catch (e) {}
+        }
+
+        return content;
+      })
+    );
+  }
+
+  if (format === 'inline' || format === 'string') {
+    let stringifiedMap = JSON.stringify(resultMap);
+    if (format === 'inline') {
+      return generateInlineMap(stringifiedMap);
+    }
+    return stringifiedMap;
+  }
+
+  return resultMap;
+}