refactor(astro): put them to follow a pattern for errors

.changeset/moody-apples-hang.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+follow a pattern for errors that is putting them in errors-data

packages/astro/src/content/loaders/file.ts

@@ -4,6 +4,7 @@ import yaml from 'js-yaml';
 import { AstroError } from '../../core/errors/index.js';
 import { posixRelative } from '../utils.js';
 import type { Loader, LoaderContext } from './types.js';
+import { FileGlobNotSupported, FileParserNotFound } from '../../core/errors/errors-data.js';
 
 interface FileOptions {
 	/**
@@ -22,10 +23,7 @@ interface FileOptions {
  */
 export function file(fileName: string, options?: FileOptions): Loader {
 	if (fileName.includes('*')) {
-		throw new AstroError({
-			name: 'Glob Pattern Error',
-			message: 'Glob patterns are not supported in `file` loader. Use `glob` loader instead.',
-		});
+		throw new AstroError(FileGlobNotSupported);
 	}
 
 	let parse: ((text: string) => any) | null = null;
@@ -43,8 +41,8 @@ export function file(fileName: string, options?: FileOptions): Loader {
 
 	if (parse === null) {
 		throw new AstroError({
-			name: 'Parser Not Found',
-			message: `No parser found for file '${fileName}'. Try passing a parser to the \`file\` loader.`,
+			...FileParserNotFound,
+			message: FileParserNotFound.message(fileName),
 		});
 	}
 

packages/astro/src/core/errors/errors-data.ts

@@ -1365,6 +1365,40 @@ export const FontFamilyNotFound = {
 	hint: 'This is often caused by a typo. Check that your Font component is using a `cssVariable` specified in your config.',
 } satisfies ErrorData;
 
+/**
+ * @docs
+ * @message No parser found for file `example.md`. Pass a parser to the `file` loader (e.g. `parser: mdx`).
+ * @see
+ *  - [parsers](https://docs.astro.build/en/guides/imports/#parsers)
+ * @description
+ * Thrown when the `file` loader can’t determine which parser to use.
+ */
+export const FileParserNotFound = {
+	name: 'FileParserNotFound',
+	title: 'File parser not found',
+	message: (fileName: string) =>
+		`No parser was found for '${fileName}'. Pass a parser function (e.g. \`parser: mdx\`) to the \`file\` loader.`,
+	hint:
+		'See https://docs.astro.build/en/guides/imports/#parsers for the list of available parser options.',
+} satisfies ErrorData;
+
+/**
+ * @docs
+ * @message Glob patterns are not supported in the `file` loader. Use the `glob` loader instead.
+ * @see
+ *  - [glob patterns](https://docs.astro.build/en/guides/imports/#glob-patterns)
+ * @description
+ * Thrown when a glob pattern is supplied to the `file` loader.
+ */
+export const FileGlobNotSupported = {
+	name: 'FileGlobNotSupported',
+	title: 'Glob patterns are not supported in the file loader',
+	message:
+		'Glob patterns are not supported in the `file` loader. Use the `glob` loader instead.',
+	hint:
+		'See https://docs.astro.build/en/guides/imports/#glob-patterns for supported glob usage.',
+} satisfies ErrorData;
+
 /**
  * @docs
  * @kind heading