worked on GarageApp stuff

node_modules/@emotion/babel-plugin/src/utils/source-maps.js

@@ -0,0 +1,44 @@
+import { SourceMapGenerator } from 'source-map'
+import convert from 'convert-source-map'
+
+function getGeneratorOpts(file) {
+  return file.opts.generatorOpts ? file.opts.generatorOpts : file.opts
+}
+
+export function makeSourceMapGenerator(file) {
+  const generatorOpts = getGeneratorOpts(file)
+  const filename = generatorOpts.sourceFileName
+  const generator = new SourceMapGenerator({
+    file: filename,
+    sourceRoot: generatorOpts.sourceRoot
+  })
+
+  generator.setSourceContent(filename, file.code)
+  return generator
+}
+
+export function getSourceMap(
+  offset /*: {
+    line: number,
+    column: number
+  } */,
+  state
+) /*: string */ {
+  const generator = makeSourceMapGenerator(state.file)
+  const generatorOpts = getGeneratorOpts(state.file)
+  if (
+    generatorOpts.sourceFileName &&
+    generatorOpts.sourceFileName !== 'unknown'
+  ) {
+    generator.addMapping({
+      generated: {
+        line: 1,
+        column: 0
+      },
+      source: generatorOpts.sourceFileName,
+      original: offset
+    })
+    return convert.fromObject(generator).toComment({ multiline: true })
+  }
+  return ''
+}