56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
export function capitalizeFirstLetter(input: string): string {
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return input.charAt(0).toUpperCase() + input.slice(1);
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}
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export function toSnakeCase(input: string): string {
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return input
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.replace(/([a-z])([A-Z])/g, "$1_$2")
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.replace(/[\s\-]+/g, "_")
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.toLowerCase();
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}
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export function snakeCaseToTitleCase(input: string): string {
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return input
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.split("_")
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.map((word) => word.charAt(0).toUpperCase() + word.slice(1).toLowerCase())
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.join(" ");
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}
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// Strips non-numeric characters from a string including spaces.
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export function sanitizeNum(input: string): string {
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return input.replaceAll(/[^\d]+/g, "");
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}
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// Strips non-alphanumeric, non-space characters from a string.
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export function sanitizeAlphaNum(input: string): string {
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return input.replaceAll(/[^a-zA-Z0-9 ]+/g, "");
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}
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// Strips non-alphanumeric characters from a string including spaces.
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export function sanitizeAlphaNumStrict(input: string): string {
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return input.replaceAll(/[^a-zA-Z0-9]+/g, "");
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}
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export function numberToStringWithCommas(n: number):string {
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var str = n.toString();
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var negative = false;
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if (str.startsWith("-")) {
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negative = true;
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str = str.slice(1);
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}
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var result = "";
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for (let i=0; i < str.length; i++) {
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if (i > 0 && (str.length - i)%3 === 0) {
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result += ",";
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}
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result += str[i]
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}
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if (negative) {
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result = "-" + result;
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}
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return result;
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} |