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app_vue/node_modules/webpack/lib/util/conventions.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Gengkun He @ahabhgk
+*/
+
+"use strict";
+
+/** @typedef {import("../../declarations/WebpackOptions").CssGeneratorExportsConvention} CssGeneratorExportsConvention */
+
+/**
+ * @param {string} input input
+ * @param {CssGeneratorExportsConvention | undefined} convention convention
+ * @returns {string[]} results
+ */
+module.exports.cssExportConvention = (input, convention) => {
+	const set = new Set();
+	if (typeof convention === "function") {
+		set.add(convention(input));
+	} else {
+		switch (convention) {
+			case "camel-case": {
+				set.add(input);
+				set.add(module.exports.camelCase(input));
+				break;
+			}
+			case "camel-case-only": {
+				set.add(module.exports.camelCase(input));
+				break;
+			}
+			case "dashes": {
+				set.add(input);
+				set.add(module.exports.dashesCamelCase(input));
+				break;
+			}
+			case "dashes-only": {
+				set.add(module.exports.dashesCamelCase(input));
+				break;
+			}
+			case "as-is": {
+				set.add(input);
+				break;
+			}
+		}
+	}
+	return Array.from(set);
+};
+
+// Copy from css-loader
+/**
+ * @param {string} input input
+ * @returns {string} result
+ */
+module.exports.dashesCamelCase = input =>
+	input.replace(/-+(\w)/g, (match, firstLetter) => firstLetter.toUpperCase());
+
+// Copy from css-loader
+/**
+ * @param {string} input input
+ * @returns {string} result
+ */
+module.exports.camelCase = input => {
+	let result = input.trim();
+
+	if (result.length === 0) {
+		return "";
+	}
+
+	if (result.length === 1) {
+		return result.toLowerCase();
+	}
+
+	const hasUpperCase = result !== result.toLowerCase();
+
+	if (hasUpperCase) {
+		result = preserveCamelCase(result);
+	}
+
+	return result
+		.replace(/^[_.\- ]+/, "")
+		.toLowerCase()
+		.replace(/[_.\- ]+([\p{Alpha}\p{N}_]|$)/gu, (_, p1) => p1.toUpperCase())
+		.replace(/\d+([\p{Alpha}\p{N}_]|$)/gu, m => m.toUpperCase());
+};
+
+// Copy from css-loader
+/**
+ * @param {string} string string
+ * @returns {string} result
+ */
+const preserveCamelCase = string => {
+	let result = string;
+	let isLastCharLower = false;
+	let isLastCharUpper = false;
+	let isLastLastCharUpper = false;
+
+	for (let i = 0; i < result.length; i++) {
+		const character = result[i];
+
+		if (isLastCharLower && /[\p{Lu}]/u.test(character)) {
+			result = `${result.slice(0, i)}-${result.slice(i)}`;
+			isLastCharLower = false;
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper = true;
+			i += 1;
+		} else if (
+			isLastCharUpper &&
+			isLastLastCharUpper &&
+			/[\p{Ll}]/u.test(character)
+		) {
+			result = `${result.slice(0, i - 1)}-${result.slice(i - 1)}`;
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper = false;
+			isLastCharLower = true;
+		} else {
+			isLastCharLower =
+				character.toLowerCase() === character &&
+				character.toUpperCase() !== character;
+			isLastLastCharUpper = isLastCharUpper;
+			isLastCharUpper =
+				character.toUpperCase() === character &&
+				character.toLowerCase() !== character;
+		}
+	}
+
+	return result;
+};