give sensible error against invalid input source map (#3044)

2018-03-31 18:48:20 +09:00
parent 07f64d4050
commit 02f47e1713
2 changed files with 17 additions and 1 deletions
--- a/lib/minify.js
+++ b/lib/minify.js
@@ -165,7 +165,11 @@ function minify(files, options) {
        if (!HOP(options.output, "code") || options.output.code) {
            if (options.sourceMap) {
                if (typeof options.sourceMap.content == "string") {
-                    options.sourceMap.content = JSON.parse(options.sourceMap.content);
+                    try {
+                        options.sourceMap.content = JSON.parse(options.sourceMap.content);
+                    } catch (ex) {
+                        throw new Error("invalid input source map: " + options.sourceMap.content);
+                    }
                }
                options.output.source_map = SourceMap({
                    file: options.sourceMap.filename,