Wrong Behavior

[A L]

Currently I am trying to use the value of the request of my mountebank script, but for no reason when I try to do a basic substr the script add an space or "\n" and I am sure that's not the normal behavior of javascript, I will let you my script if someone knows how solve this.

"port":8091,
"protocol": "tcp",
"mode": "text",
"numberOfRequests": 1,
"stubs": [
{
"responses": [
{
"is": {
"data": "${GENERATED_KEY}"
},
"behaviors": [
{ "decorate": "(config) => { var generateKey = config.request.data.substr(0, 64) + config.request.data.substr(64, 94) + Array(2).fill(0).map(x => Math.random().toString(36).charAt(2)).join('') + 'AA' + Array(17).fill(0).map(x => Math.random().toString(36).charAt(2)).join(''); config.response.data = config.response.data.replace('${GENERATED_KEY}', generateKey); }" }
]
}
]
}
]
}

The problem it is in the substr method, but if I put that at the end of the script I don't have any problem at all, no add any space, or "\n" but if I put that at the beginning, the result its altered, so... that's all, thank you

[Brandon Byars]

Hi there,

It's unclear to me what's going wrong too, but it seems to me that you could easily solve it by adding a .trim() function to swallow the newline:

config.response.data = config.response.data.replace('${GENERATED_KEY}', generateKey.trim();

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