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Diffstat (limited to 'packages/astro-parser/src/utils/error.ts')
-rw-r--r-- | packages/astro-parser/src/utils/error.ts | 46 |
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; +} |