Running firefox addon fails with Syntax Error when JSON is escaped in package.json -


i'm making firefox addon (sdk/jetpack), , using simple-prefs module. want have array in 1 of preferences, in package.json have written as

{   [...]   "preferences":[   [...]   {     "name":"audio-priority",     "title":"audio priority",     "type":"string",     "value":"[\"audio-notifications\",\"audio-error\",\"audio-messages\",\"audio-youtube\",\"audio-twitch\"]",     "hidden":true   },   [...] }

but when run it, builds , browser opens, in console comes with

console.error: ltt-notifier:    message: syntaxerror: missing ) after argument list   stack:     evaluate@resource://gre/modules/xpiprovider.jsm -> jar:file:///tmp/tmpn5quoo.mozrunner/extensions/jid1-23jjnbcwpfq3ag@jetpack.xpi!/bootstrap.js -> resource://gre/modules/commonjs/toolkit/loader.js:223 setdefaultprefs@resource://gre/modules/xpiprovider.jsm -> jar:file:///tmp/tmpn5quoo.mozrunner/extensions/jid1-23jjnbcwpfq3ag@jetpack.xpi!/bootstrap.js -> resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/addon/runner.js:66

and whole load more stuff afterwards (stack), , addon not running. if change array not have \" (or escaped characters - tried using \u0022 instead) in, works fine, makes me think mozilla bug, fault.

based on links https://bugzilla.mozilla.org/show_bug.cgi?id=501156 (which links https://groups.yahoo.com/neo/groups/json/conversations/topics/1286 ) have figured out answer should be

"[\\\"audio-notifications\\\",\\\"audio-error\\\",\\\"audio-messages\\\",\\\"audio-youtube\\\",\\\"audio-twitch\\\"]",

because first time json decoded unescapes \" ", json requires still \". escaping \ ", first time parsed, when entire file gets processed, turns into

[\"audio-notifications\",\"audio-error\",\"audio-messages\",\"audio-youtube\",\"audio-twitch\"]

which no longer closes quotes (which presume issue because error related evaluate command in native code), , means still valid json when comes decoded.


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