Created
January 16, 2025 14:27
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🔥 tip (and a subtle ux improvement): if you require a url in a form, help the user get the url correct for validation - on focus -> auto insert the `https://` to start them off - on blur (and no full url) -> remove the prefix in order to show the placeholder again - when they paste in a url -> fix any duplicate http:// on either side of the inpu…
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| <Input | |
| placeholder="https://my-project.com" | |
| // this example was from using shadcn/ui forms | |
| {...field} | |
| onFocus={e => { | |
| if (!e.target.value) form.setValue("website", "https://"); | |
| }} | |
| onBlurCapture={e => { | |
| if ( | |
| !e.target.value || | |
| e.target.value.match(/^https?:\/\/$/gi) | |
| ) | |
| form.setValue("website", ""); | |
| }} | |
| onChange={e => { | |
| // sometimes the cursor is at the end | |
| if (e.target.value.match(/^https?:\/\/https?:\/\//gi)) { | |
| e.target.value = e.target.value.replace( | |
| /^https?:\/\/https?:\/\//gi, | |
| "https://", | |
| ); | |
| } | |
| // sometimes the cursor is at the beginning | |
| else if (e.target.value.match(/(.*)https?:\/\/$/gi)) { | |
| e.target.value = e.target.value.replace( | |
| /https?:\/\/$/gi, | |
| "", | |
| ); | |
| } | |
| // always fire the expected original `onChange` | |
| field.onChange(e); | |
| }} | |
| /> |
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