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1.2 KiB
1.2 KiB
js-string-escape
Escape any string to be a valid JavaScript string literal between double quotes or single quotes.
Installation
npm install js-string-escape
Example
If you need to generate JavaScript output, this library will help you safely put arbitrary data in JavaScript strings:
jsStringEscape = require('js-string-escape')
console.log('"' + jsStringEscape('Quotes (\", \'), newlines (\n), etc.') + '"')
// => "Quotes (\", \'), newlines (\n), etc."
In other words, given any string s, the following invariants hold:
eval('"' + jsStringEscape(s) + '"') === s
eval("'" + jsStringEscape(s) + "'") === s
These eval expressions are safe with untrusted strings s.
Non-strings will be cast to strings.
Compliance
This library has been checked against ECMAScript 5.1 and tested against all Unicode code points.
Note that the returned string is not necessarily valid JSON, since JSON
disallows control characters, and \' is illegal in JSON.