Created
July 12, 2019 08:49
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Decide if a given href is internal link
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| function isInternalLink(href) { | |
| try { | |
| /* full URL i.e. has protocol */ | |
| let url = new URL(href) | |
| return url.origin === window.location.origin | |
| } catch { | |
| return !href.startsWith('//') || | |
| (href.startsWith('//') && (window.location.protocol + href).startsWith(window.location.origin)) | |
| } | |
| } |
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