From 057f7473abb9e6525e36377999069195592eb0c3 Mon Sep 17 00:00:00 2001
From: Milan Hauth <milahu@gmail.com>
Date: Mon, 5 Oct 2020 13:01:56 +0200
Subject: [PATCH] add print option sourceMapEncodeMappings

---
 src/print/index.ts |  4 +++-
 test/test.ts       | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/print/index.ts b/src/print/index.ts
index eb8bd19..c8b5dad 100644
--- a/src/print/index.ts
+++ b/src/print/index.ts
@@ -16,6 +16,7 @@ type PrintOptions = {
 	file?: string;
 	sourceMapSource?: string;
 	sourceMapContent?: string;
+	sourceMapEncodeMappings?: boolean; // default true
 	getName?: (name: string) => string;
 };
 
@@ -93,7 +94,8 @@ export function print(node: Node, opts: PrintOptions = {}): { code: string, map:
 		names: [] as string[],
 		sources: [opts.sourceMapSource || null],
 		sourcesContent: [opts.sourceMapContent || null],
-		mappings: encode(mappings)
+		mappings: opts.sourceMapEncodeMappings == undefined || opts.sourceMapEncodeMappings
+			? encode(mappings) : mappings
 	};
 
 	Object.defineProperties(map, {
diff --git a/test/test.ts b/test/test.ts
index 368c2fe..172471f 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -5,6 +5,7 @@ import { generateRandomJS } from 'eslump';
 import * as codered from '../src/index';
 import { ObjectExpression, Identifier, Node } from 'estree';
 import { walk } from 'estree-walker';
+import { decode } from 'sourcemap-codec';
 
 const d = (str: string) => str.replace(/^\t{5}/gm, '').trim();
 
@@ -459,6 +460,27 @@ describe('codered', () => {
 			assert.throws(() => print(b`let foo = @bar;`), { message: 'Unhandled sigil @bar' });
 		});
 
+		it('can return sourcemap with decoded mappings', () => {
+				const dir = 'sourcemap';
+				const input = require(`./samples/${dir}/input.js`)({ b, x, p });
+
+				const expected = {
+					code: read(`test/samples/${dir}/expected.js`),
+					map: JSON.parse(read(`test/samples/${dir}/expected.js.map`) || '{}')
+				};
+				if (expected.map && expected.map.mappings) {
+					expected.map.mappings = decode(expected.map.mappings);
+				}
+
+				const actual = print(input, {
+					sourceMapSource: 'input.js',
+					getName: name => name.toUpperCase(),
+					sourceMapEncodeMappings: false
+				});
+
+				assert.deepEqual(actual.map, expected.map);
+		});
+
 		it.skip('passes fuzz testing', () => {
 			for (let i = 0; i < 100; i += 1) {
 				const js = generateRandomJS({