WIP

Author: Rich-Harris

src/handlers.js

@@ -1,5 +1,5 @@
 /** @import { TSESTree } from '@typescript-eslint/types' */
-/** @import { Chunk, Command, Dedent, Handlers, Indent, Newline, NodeWithComments, Sequence, State, TypeAnnotationNodes } from './types' */
+/** @import { Chunk, Command, Dedent, Handlers, Indent, Newline, NodeWithComments, State, TypeAnnotationNodes } from './types' */
 
 /** @type {Newline} */
 const newline = { type: 'Newline' };
@@ -30,11 +30,10 @@ function measure(commands, from, to = commands.length) {
 		const command = commands[i];
 		if (typeof command === 'string') {
 			total += command.length;
+		} else if (Array.isArray(command)) {
+			total += measure(command, 0, command.length);
 		} else if (command.type === 'Chunk') {
 			total += command.content.length;
-		} else if (command.type === 'Sequence') {
-			// assume this is ', '
-			total += 2;
 		}
 	}
 

src/index.js

@@ -79,6 +79,13 @@ export function print(node, opts = {}) {
 			return;
 		}
 
+		if (Array.isArray(command)) {
+			for (let i = 0; i < command.length; i += 1) {
+				run(command[i]);
+			}
+			return;
+		}
+
 		switch (command.type) {
 			case 'Chunk':
 				const loc = command.loc;

src/types.d.ts

@@ -64,17 +64,12 @@ export interface IndentChange {
 	offset: number;
 }
 
-export interface Sequence {
-	type: 'Sequence';
-	children: Command[];
-}
-
 export interface CommentChunk {
 	type: 'Comment';
 	comment: TSESTree.Comment;
 }
 
-export type Command = string | Chunk | Newline | Indent | Dedent | Sequence | CommentChunk;
+export type Command = string | Chunk | Newline | Indent | Dedent | CommentChunk | Command[];
 
 export interface PrintOptions {
 	sourceMapSource?: string;