Search through untracked files for graphql-tag. Don't error out on fi…

…les that can't be found.

.changeset/spicy-bugs-wave.md

@@ -0,0 +1,5 @@
+---
+'@khanacademy/graphql-flow': patch
+---
+
+Search through untracked files for graphql-tag. Don't error out on files that can't be found.

src/cli/run.ts

@@ -32,8 +32,11 @@ import {dirname} from 'path';
 /** Step (1) */
 
 const findGraphqlTagReferences = (root: string): Array<string> => {
+    // NOTE(john): We want to include untracked files here so that we can
+    // generate types for them. This is useful for when we have a new file
+    // that we want to generate types for, but we haven't committed it yet.
     const response = execSync(
-        "git grep -I --word-regexp --name-only --fixed-strings 'graphql-tag' -- '*.js' '*.jsx' '*.ts' '*.tsx'",
+        "git grep -I --word-regexp --name-only --fixed-strings --untracked 'graphql-tag' -- '*.js' '*.jsx' '*.ts' '*.tsx'",
         {
             encoding: 'utf8',
             cwd: root,

src/parser/parse.ts

@@ -105,7 +105,9 @@ const listExternalReferences = (file: FileResult): Array<string> => {
         if (v.type === 'import') {
             if (followImports) {
                 const absPath = getPathWithExtension(v.path);
-                paths[absPath] = true;
+                if (absPath) {
+                    paths[absPath] = true;
+                }
             }
         } else {
             v.source.expressions.forEach((expr) => add(expr, true));

src/parser/utils.ts

@@ -20,5 +20,8 @@ export const getPathWithExtension = (pathWithoutExtension: string): string => {
     if (fs.existsSync(pathWithoutExtension + '.ts')) {
         return pathWithoutExtension + '.ts';
     }
-    throw new Error("Can't find file at " + pathWithoutExtension);
+    // NOTE(john): This is a bit of a hack, but it's necessary for when we
+    // have a file that doesn't have an extension. This will happen when we
+    // delete all of the type files before re-running graphql-flow again.
+    return "";
 };