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

.changeset/moody-apples-hang.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Adds new content collections errors

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

@@ -1541,6 +1541,7 @@ export const GenerateContentTypesError = {
 	hint: (fileName?: string) =>
 		`This error is often caused by a syntax error inside your content, or your content configuration file. Check your ${fileName ?? 'content config'} file for typos.`,
 } satisfies ErrorData;
+
 /**
  * @docs
  * @kind heading
@@ -1815,6 +1816,36 @@ export const UnsupportedConfigTransformError = {
 	hint: 'See the devalue library for all supported types: https://github.com/rich-harris/devalue',
 } satisfies ErrorData;
 
+/**
+ * @docs
+ * @see
+ *  - [Passing a `parser` to the `file` loader](https://docs.astro.build/en/guides/imports/#parsers)
+ * @description
+ * The `file` loader can’t determine which parser to use. Please provide a custom parser (e.g. `toml.parse` or `csv-parse`) to create a collection from your file type.
+ */
+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: csv\`) to the \`file\` loader.`,
+} satisfies ErrorData;
+
+/**
+ * @docs
+ * @see
+ *  - [Astro's built-in loaders](https://docs.astro.build/en/guides/content-collections/#built-in-loaders)
+ * @description
+ * The `file` loader must be passed a single local file. Glob patterns are not supported. Use the built-in `glob` loader to create entries from patterns of multiple local files.
+ */
+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 Astro's built-in file and glob loaders https://docs.astro.build/en/guides/content-collections/#built-in-loaders for supported usage.`,
+} satisfies ErrorData;
+
 /**
  * @docs
  * @kind heading