first commit

common/resources/client/utils/string/is-email.ts

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+const matcher =
+  /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
+
+export function isEmail(string?: string): boolean {
+  if (!string) return false;
+  if (string.length > 320) return false;
+  return matcher.test(string);
+}

common/resources/client/utils/string/lower-first.ts

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+export function lowerFirst(string: string): string {
+  if (!string) return '';
+  return string.charAt(0).toLowerCase() + string.slice(1);
+}

common/resources/client/utils/string/random-number.ts

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+export function randomNumber(min: number = 1, max: number = 10000) {
+  const randomBuffer = new Uint32Array(1);
+
+  window.crypto.getRandomValues(randomBuffer);
+
+  const number = randomBuffer[0] / (0xffffffff + 1);
+
+  min = Math.ceil(min);
+  max = Math.floor(max);
+  return Math.floor(number * (max - min + 1)) + min;
+}

common/resources/client/utils/string/random-string.ts

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+export function randomString(length: number = 36) {
+  let random = '';
+  const possible =
+    'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+
+  for (let i = 0; i < length; i += 1) {
+    random += possible.charAt(Math.floor(Math.random() * possible.length));
+  }
+
+  return random;
+}

common/resources/client/utils/string/slugify-string.ts

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+import slugify from 'slugify';
+
+export function slugifyString(
+  text: string,
+  replacement = '-',
+  strict = false,
+): string {
+  if (!text) return text;
+  let slugified = slugify(text, {
+    lower: true,
+    replacement,
+    strict,
+    remove: /[*+~.()'"!:@?\|/\\#]/g,
+  });
+  // some chinese text might not get slugified properly,
+  // just replace whitespace with dash in that case
+  if (!slugified) {
+    slugified = text.replace(/\s+/g, '-').toLowerCase();
+  }
+  return slugified;
+}

common/resources/client/utils/string/strip-tags.ts

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+export function stripTags(str: string) {
+  return str.replace(/<\/?[^>]+(>|$)/g, '');
+}

common/resources/client/utils/string/truncate-string.ts

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+export function truncateString(str: string, length: number, end = '...') {
+  if (length == null || length >= str.length) {
+    return str;
+  }
+  return str.slice(0, Math.max(0, length - end.length)) + end;
+}

common/resources/client/utils/string/uc-first.ts

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+export function ucFirst<T extends string>(string: T): T {
+  if (!string) return string;
+  return (string.charAt(0).toUpperCase() + string.slice(1)) as T;
+}