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-rw-r--r--packages/astro-parser/src/utils/error.ts46
1 files changed, 46 insertions, 0 deletions
diff --git a/packages/astro-parser/src/utils/error.ts b/packages/astro-parser/src/utils/error.ts
new file mode 100644
index 000000000..8ebb5b093
--- /dev/null
+++ b/packages/astro-parser/src/utils/error.ts
@@ -0,0 +1,46 @@
+// @ts-nocheck
+
+import { locate } from 'locate-character';
+import get_code_frame from './get_code_frame.js';
+
+export class CompileError extends Error {
+ code: string;
+ start: { line: number; column: number };
+ end: { line: number; column: number };
+ pos: number;
+ filename: string;
+ frame: string;
+
+ toString() {
+ return `${this.message} (${this.start.line}:${this.start.column})\n${this.frame}`;
+ }
+}
+
+/** Throw CompileError */
+export default function error(
+ message: string,
+ props: {
+ name: string;
+ code: string;
+ source: string;
+ filename: string;
+ start: number;
+ end?: number;
+ }
+): never {
+ const err = new CompileError(message);
+ err.name = props.name;
+
+ const start = locate(props.source, props.start, { offsetLine: 1 });
+ const end = locate(props.source, props.end || props.start, { offsetLine: 1 });
+
+ err.code = props.code;
+ err.start = start;
+ err.end = end;
+ err.pos = props.start;
+ err.filename = props.filename;
+
+ err.frame = get_code_frame(props.source, start.line - 1, start.column);
+
+ throw err;
+}