Ensure prettier fns are fns before calling them

.eslintignore

@@ -3,4 +3,5 @@ coverage
 lib
 node_modules
 pnpm-lock.yaml
-src/tests/vendor
+src/tests/vendor
+src/formatDTS.ts

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+### 1.0.2
+
+- Better prettier detection (and fallback) for the generated files, re #14
+
 ### 1.0
 
 - No changes

package.json

@@ -21,7 +21,7 @@
 		"format": "prettier \"**/*\" --ignore-unknown",
 		"format:write": "pnpm format --write",
 		"jest": "vitest",
-		"lint": "eslint . --max-warnings 0 --report-unused-disable-directives",
+		"lint": "eslint . --report-unused-disable-directives",
 		"lint:knip": "knip",
 		"lint:md": "markdownlint \"**/*.md\" \".github/**/*.md\" --rules sentences-per-line",
 		"lint:package": "npmPkgJsonLint .",
@@ -35,7 +35,7 @@
 	},
 	"lint-staged": {
 		"*": "prettier --ignore-unknown --write",
-		"*.ts": "eslint --fix  --max-warnings 0"
+		"*.ts": "eslint --fix"
 	},
 	"dependencies": {
 		"@mrleebo/prisma-ast": "^0.12.0",

src/formatDTS.ts

@@ -1,26 +1,26 @@
 // https://prettier.io/docs/en/api.html
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
 let prettier: any | null = null
 try {
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 	prettier = await import("prettier")
 } catch (er) {
 	console.error(er)
 	prettier = null
 }
 
 export const getPrettierConfig = (path: string): unknown => {
-	if (!prettier) return {}
+	if (!prettier?.default?.resolveConfig) return {}
+	if (typeof prettier.default.resolveConfig !== "function") return {}
 
-	// I confirmed that this lookup hits caches in Redwood
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+	// I confirmed that this lookup hits caches in RedwoodJS
 	const opts = prettier.default.resolveConfig.sync(path) ?? {}
 	return opts
 }
 
 export const formatDTS = (path: string, content: string, config: unknown): string => {
-	if (!prettier) return content
+	if (!prettier?.default?.format) return content
+	if (typeof prettier.default.format !== "function") return content
+
 	// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
 	return prettier.default.format(content, { ...(config as object), filepath: path }) as string
 }

tsconfig.eslint.json

@@ -1,5 +1,5 @@
 {
-	"extends": "./tsconfig.json",
 	"exclude": ["src/tests/vendor"],
+	"extends": "./tsconfig.json",
 	"include": [".", "src/tests/**/*"]
 }