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@bemedev/types

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Type definitions for Bemedev projects

github.com/chlbri/types

chlbri/types

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{"version":3,"file":"strings.cjs","sources":["../../src/functions/strings.ts"],"sourcesContent":["import { _unknown, castFn, expandFn } from '~utils';\nimport { ENGLISH_LETTERS } from '../constants/strings';\nimport type {\n AddString,\n JoinString,\n Letters,\n LowerLetters,\n SplitStringBy,\n UpperLetters,\n} from '../types/types';\n\nexport const strings = castFn<string>()({\n is: expandFn(\n (value: unknown) => {\n return typeof value === 'string';\n },\n {\n // eslint-disable-next-line @typescript-eslint/no-wrapper-object-types\n instance: (value: unknown): value is String => {\n return value instanceof String;\n },\n },\n ),\n\n type: String,\n\n getLength: <const T extends string>(value: T) => {\n const out = value.length;\n return _unknown<T['length']>(out);\n },\n\n startsWith: <U extends string>(\n value: unknown,\n prefix: U,\n ): value is `${U}${string}` => {\n return typeof value === 'string' && value.startsWith(prefix);\n },\n\n endsWith: <U extends string>(\n value: unknown,\n suffix: U,\n ): value is `${string}${U}` => {\n return typeof value === 'string' && value.endsWith(suffix);\n },\n\n includes: <U extends string[]>(\n value: unknown,\n ...segments: U\n ): value is `${string}${U[number]}${string}` => {\n if (typeof value !== 'string') return false;\n\n // Check if the string contains any of the segments\n for (const seg of segments) {\n if (value.includes(seg)) {\n return true;\n }\n }\n return false;\n },\n\n contains: <U extends string[]>(\n value: unknown,\n ...segments: U\n ): value is `${string}${U[number]}${string}` =>\n strings.includes(value, ...segments),\n\n toLowerCase: <T extends string>(value: T) => {\n const out = value.toLowerCase();\n return _unknown<Lowercase<T>>(out);\n },\n\n toUpperCase: <T extends string>(value: T) => {\n const out = value.toUpperCase();\n return _unknown<Uppercase<T>>(out);\n },\n\n letters: castFn<Letters>()({\n is: (value: unknown): value is Letters => {\n if (typeof value !== 'string') return false;\n if (value.length === 0) return false;\n\n // Check if all characters are English letters\n for (const char of value.toLowerCase()) {\n if (!ENGLISH_LETTERS.includes(char as any)) {\n return false;\n }\n }\n return true;\n },\n\n lower: castFn<LowerLetters>()({\n is: (value: unknown): value is LowerLetters => {\n return (\n typeof value === 'string' &&\n strings.letters.is(value) &&\n value === value.toLowerCase()\n );\n },\n }),\n\n upper: castFn<UpperLetters>()({\n is: (value: unknown): value is UpperLetters => {\n return (\n typeof value === 'string' &&\n strings.letters.is(value) &&\n value === value.toUpperCase()\n );\n },\n }),\n }),\n\n add: <T extends string, Before extends string, After extends string>(\n value: T,\n before = '' as Before,\n after = '' as After,\n ) => {\n const out = `${before}${value}${after}`;\n return _unknown<AddString<T, Before, After>>(out);\n },\n\n join: <T extends readonly string[], S extends string = ' '>(\n sep = ' ' as S,\n ...args: T\n ) => {\n const out = args.join(sep);\n return _unknown<JoinString<T, S>>(out);\n },\n\n splitBy: <const S extends string, By extends string = '.'>(\n value: S,\n by = '.' as By,\n ) => {\n const out = value.split(by);\n return _unknown<SplitStringBy<S, By>>(out);\n 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