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Merge pull request #11 from lukasoppermann/styled-inputs
Styled inputs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| export default (form: HTMLFormElement) => { | ||
| const inputs: HTMLInputElement[] = Array.from(form.querySelectorAll('input')) | ||
| // repare value for highlighting | ||
| const prepareValue = (value: string) => { | ||
| // highlight operators | ||
| value = value.replaceAll(/[\*\+-]/gi, '<span class="hl_operator">$&</span>') | ||
| // slash operator | ||
| value = value.replaceAll(/(?<!\<)\//gi, '<span class="hl_operator">$&</span>') | ||
| // parenthese | ||
| value = value.replaceAll(/[\(\)]/gi, '<span class="hl_parenthese">$&</span>') | ||
| // highlight # | ||
| value = value.replaceAll('#', '<span class="hl_hash">#</span>') | ||
| // return value | ||
| return value | ||
| } | ||
| // leave form field | ||
| const onBlur = (event) => { | ||
| const input: HTMLInputElement = event.target as HTMLInputElement | ||
| const overlay = input.parentNode.querySelector('.input__overlay') | ||
| if (overlay !== null) { | ||
| overlay.innerHTML = prepareValue(input.value) || '' | ||
| overlay.classList.remove('hidden') | ||
| } | ||
| } | ||
| // leave form field | ||
| const onFocus = (event: Event) => { | ||
| const input: HTMLInputElement = event.target as HTMLInputElement | ||
| const overlay = input.parentNode.querySelector('.input__overlay') | ||
| if (overlay !== null) { | ||
| overlay.classList.add('hidden') | ||
| } | ||
| } | ||
| // bind events | ||
| inputs.forEach(input => { | ||
| onBlur({ target: input }) | ||
| // blur | ||
| input.addEventListener('blur', onBlur) | ||
| // focus | ||
| input.addEventListener('focus', onFocus) | ||
| }) | ||
| } |
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