@shopify/theme-language-server-common/src/codeActions/providers/utils.ts

<h1 align="center" style="position: relative;" > <br> <img src="https://github.com/Shopify/theme-check-vscode/blob/main/images/shopify_glyph.png?raw=true" alt="logo" width="141" height="160"> <br> Theme Language Server </h1>

import { Offense, SourceCodeType, WithRequired } from '@shopify/theme-check-common';
import { CodeAction, CodeActionKind, Command, Diagnostic } from 'vscode-languageserver';
import { Anomaly } from '../../diagnostics';

// They have an awkard API for creating them, so we have this helper here
// to make it a bit more straightforward.
export function toCodeAction(
  title: string,
  command: Command,
  diagnostics: Diagnostic[],
  kind: CodeActionKind,
  isPreferred: boolean = false,
): CodeAction {
  const codeAction = CodeAction.create(title, command, kind);
  codeAction.diagnostics = diagnostics;
  codeAction.isPreferred = isPreferred;
  return codeAction;
}

/**
 * The range is either the selection or cursor position, an offense is in
 * range if the selection and offense overlap in any way.
 */
export function isInRange({ offense }: Anomaly, start: number, end: number) {
  const offenseStart = offense.start.index;
  const offenseEnd = offense.end.index;
  const isOutOfRange = offenseEnd < start || offenseStart > end;
  return !isOutOfRange;
}

/**
 * An anomaly is fixable if the offense has the `fix` attribute
 *
 * This type guarantees that Offense.fix is defined (and is thus fixable).
 */
export type FixableAnomaly<S extends SourceCodeType = SourceCodeType> = S extends SourceCodeType
  ? {
      diagnostic: Diagnostic;
      offense: WithRequired<Offense<S>, 'fix'>;
      id: number;
    }
  : never;

export function isFixable(anomaly: Anomaly): anomaly is FixableAnomaly {
  const { offense } = anomaly;
  return 'fix' in offense && offense.fix !== undefined;
}