CDN destination is treated as boolean

[mwt]

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Description

I am having an issue similar to #567. The assets:cdn:destination is currently being used as a boolean. If true, it applies assets:destination to the CDN URL. This blocks the usage of CDNs with subdirectories and contradicts the documentation.

assets:
  compression: true
  defaults:
    js: { integrity: false }
    css: { integrity: false }
    img: { integrity: false }
  cdn:
    baseurl: false
    destination: "/v7"
    url: "https://ajsxgydazo.cloudimg.io"

I have tried the following two commands

JEKYLL_ENV=production bundle exec jekyll build

and

bundle exec jekyll build

I drafted a fix in my fork that I am using in production. I don't actually know ruby though. In fact, this is my first time looking at the language. So, it's probably junk.

Steps

• Try to use the CDN destination feature in the config.

Output

<link rel="stylesheet" type="text/css" href="https://ajsxgydazo.cloudimg.io/assets/main-4ecf126146f6368f46cfd8662ce8d6d5be9ad0976851eea92e4cb69161a1f6d5e115a469e29a2d56716a05ec266a06e45ec58f50f5dde89611b34df744964544.css">

Expected

<link rel="stylesheet" type="text/css" href="https://ajsxgydazo.cloudimg.io/v7/assets/main-4ecf126146f6368f46cfd8662ce8d6d5be9ad0976851eea92e4cb69161a1f6d5e115a469e29a2d56716a05ec266a06e45ec58f50f5dde89611b34df744964544.css">