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40 lines
1.0 KiB
TypeScript
40 lines
1.0 KiB
TypeScript
export function getInitials(name?: string): string {
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if (!name || !name.length) {
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return '0';
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}
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if (name.length > 2 && name.startsWith('05')) {
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// Just the third char of the pubkey when the name is a pubkey
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return upperAndShorten(name[2]);
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}
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if (name.split(/[-\s]/).length === 1) {
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// there is one word, so just return the first 2 alphanumeric chars of the name
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if (name.length > 1) {
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const alphanum = name.match(/[\p{L}\p{N}]+/u);
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if (alphanum) {
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return upperAndShorten(alphanum[0].slice(0, 2));
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}
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}
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return upperAndShorten(name[0]);
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}
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// name has a space, just extract the first char of each words
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return upperAndShorten(
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name
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.split(/[-\s]/)
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.slice(0, 2)
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.map(n =>
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// Allow a letter or a digit from any alphabet.
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n.match(/^[\p{L}\p{N}]/u)
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)
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.join('')
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);
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}
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function upperAndShorten(str: string) {
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// believe it or not, some chars put in uppercase can be more than one char. (ß for instance)
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return str.toLocaleUpperCase().slice(0, 2);
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}
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