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96 lines
2.8 KiB
TypeScript
96 lines
2.8 KiB
TypeScript
import { RollupError } from 'rollup';
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import { ResolvedOptions, Warning } from './options';
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import { buildExtendedLogMessage } from './log';
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import { PartialMessage } from 'esbuild';
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/**
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* convert an error thrown by svelte.compile to a RollupError so that vite displays it in a user friendly way
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* @param error a svelte compiler error, which is a mix of Warning and an error
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* @returns {RollupError} the converted error
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*/
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export function toRollupError(error: Warning & Error, options: ResolvedOptions): RollupError {
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const { filename, frame, start, code, name, stack } = error;
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const rollupError: RollupError = {
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name, // needed otherwise sveltekit coalesce_to_error turns it into a string
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id: filename,
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message: buildExtendedLogMessage(error), // include filename:line:column so that it's clickable
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frame: formatFrameForVite(frame),
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code,
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stack: options.isBuild || options.isDebug || !frame ? stack : ''
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};
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if (start) {
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rollupError.loc = {
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line: start.line,
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column: start.column,
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file: filename
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};
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}
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return rollupError;
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}
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/**
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* convert an error thrown by svelte.compile to an esbuild PartialMessage
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* @param error a svelte compiler error, which is a mix of Warning and an error
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* @returns {PartialMessage} the converted error
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*/
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export function toESBuildError(error: Warning & Error, options: ResolvedOptions): PartialMessage {
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const { filename, frame, start, stack } = error;
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const partialMessage: PartialMessage = {
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text: buildExtendedLogMessage(error)
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};
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if (start) {
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partialMessage.location = {
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line: start.line,
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column: start.column,
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file: filename,
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lineText: lineFromFrame(start.line, frame) // needed to get a meaningful error message on cli
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};
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}
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if (options.isBuild || options.isDebug || !frame) {
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partialMessage.detail = stack;
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}
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return partialMessage;
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}
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/**
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* extract line with number from codeframe
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*/
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function lineFromFrame(lineNo: number, frame?: string): string {
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if (!frame) {
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return '';
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}
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const lines = frame.split('\n');
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const errorLine = lines.find((line) => line.trimStart().startsWith(`${lineNo}: `));
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return errorLine ? errorLine.substring(errorLine.indexOf(': ') + 3) : '';
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}
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/**
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* vite error overlay expects a specific format to show frames
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* this reformats svelte frame (colon separated, less whitespace)
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* to one that vite displays on overlay ( pipe separated, more whitespace)
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* e.g.
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* ```
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* 1: foo
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* 2: bar;
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* ^
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* 3: baz
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* ```
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* to
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* ```
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* 1 | foo
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* 2 | bar;
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* ^
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* 3 | baz
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* ```
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* @see https://github.com/vitejs/vite/blob/96591bf9989529de839ba89958755eafe4c445ae/packages/vite/src/client/overlay.ts#L116
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*/
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function formatFrameForVite(frame?: string): string {
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if (!frame) {
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return '';
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}
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return frame
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.split('\n')
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.map((line) => (line.match(/^\s+\^/) ? ' ' + line : ' ' + line.replace(':', ' | ')))
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.join('\n');
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}
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