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77 lines
2.2 KiB
77 lines
2.2 KiB
'use strict';
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const NUMBER_CHAR_RE = /\d/;
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const STR_SPLITTERS = ["-", "_", "/", "."];
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function isUppercase(char = "") {
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if (NUMBER_CHAR_RE.test(char)) {
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return void 0;
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}
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return char.toUpperCase() === char;
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}
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function splitByCase(string_, separators) {
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const splitters = separators ?? STR_SPLITTERS;
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const parts = [];
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if (!string_ || typeof string_ !== "string") {
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return parts;
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}
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let buff = "";
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let previousUpper;
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let previousSplitter;
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for (const char of string_) {
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const isSplitter = splitters.includes(char);
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if (isSplitter === true) {
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parts.push(buff);
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buff = "";
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previousUpper = void 0;
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continue;
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}
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const isUpper = isUppercase(char);
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if (previousSplitter === false) {
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if (previousUpper === false && isUpper === true) {
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parts.push(buff);
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buff = char;
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previousUpper = isUpper;
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continue;
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}
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if (previousUpper === true && isUpper === false && buff.length > 1) {
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const lastChar = buff[buff.length - 1];
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parts.push(buff.slice(0, Math.max(0, buff.length - 1)));
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buff = lastChar + char;
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previousUpper = isUpper;
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continue;
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}
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}
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buff += char;
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previousUpper = isUpper;
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previousSplitter = isSplitter;
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}
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parts.push(buff);
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return parts;
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}
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function upperFirst(string_) {
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return !string_ ? "" : string_[0].toUpperCase() + string_.slice(1);
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}
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function lowerFirst(string_) {
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return !string_ ? "" : string_[0].toLowerCase() + string_.slice(1);
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}
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function pascalCase(string_) {
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return !string_ ? "" : (Array.isArray(string_) ? string_ : splitByCase(string_)).map((p) => upperFirst(p)).join("");
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}
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function camelCase(string_) {
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return lowerFirst(pascalCase(string_));
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}
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function kebabCase(string_, joiner) {
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return !string_ ? "" : (Array.isArray(string_) ? string_ : splitByCase(string_)).map((p) => p.toLowerCase()).join(joiner ?? "-");
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}
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function snakeCase(string_) {
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return kebabCase(string_, "_");
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}
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exports.camelCase = camelCase;
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exports.isUppercase = isUppercase;
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exports.kebabCase = kebabCase;
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exports.lowerFirst = lowerFirst;
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exports.pascalCase = pascalCase;
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exports.snakeCase = snakeCase;
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exports.splitByCase = splitByCase;
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exports.upperFirst = upperFirst;
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