first commit

app_vue/node_modules/strip-json-comments/index.js

@@ -0,0 +1,77 @@
+'use strict';
+const singleComment = Symbol('singleComment');
+const multiComment = Symbol('multiComment');
+const stripWithoutWhitespace = () => '';
+const stripWithWhitespace = (string, start, end) => string.slice(start, end).replace(/\S/g, ' ');
+
+const isEscaped = (jsonString, quotePosition) => {
+	let index = quotePosition - 1;
+	let backslashCount = 0;
+
+	while (jsonString[index] === '\\') {
+		index -= 1;
+		backslashCount += 1;
+	}
+
+	return Boolean(backslashCount % 2);
+};
+
+module.exports = (jsonString, options = {}) => {
+	if (typeof jsonString !== 'string') {
+		throw new TypeError(`Expected argument \`jsonString\` to be a \`string\`, got \`${typeof jsonString}\``);
+	}
+
+	const strip = options.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace;
+
+	let insideString = false;
+	let insideComment = false;
+	let offset = 0;
+	let result = '';
+
+	for (let i = 0; i < jsonString.length; i++) {
+		const currentCharacter = jsonString[i];
+		const nextCharacter = jsonString[i + 1];
+
+		if (!insideComment && currentCharacter === '"') {
+			const escaped = isEscaped(jsonString, i);
+			if (!escaped) {
+				insideString = !insideString;
+			}
+		}
+
+		if (insideString) {
+			continue;
+		}
+
+		if (!insideComment && currentCharacter + nextCharacter === '//') {
+			result += jsonString.slice(offset, i);
+			offset = i;
+			insideComment = singleComment;
+			i++;
+		} else if (insideComment === singleComment && currentCharacter + nextCharacter === '\r\n') {
+			i++;
+			insideComment = false;
+			result += strip(jsonString, offset, i);
+			offset = i;
+			continue;
+		} else if (insideComment === singleComment && currentCharacter === '\n') {
+			insideComment = false;
+			result += strip(jsonString, offset, i);
+			offset = i;
+		} else if (!insideComment && currentCharacter + nextCharacter === '/*') {
+			result += jsonString.slice(offset, i);
+			offset = i;
+			insideComment = multiComment;
+			i++;
+			continue;
+		} else if (insideComment === multiComment && currentCharacter + nextCharacter === '*/') {
+			i++;
+			insideComment = false;
+			result += strip(jsonString, offset, i + 1);
+			offset = i + 1;
+			continue;
+		}
+	}
+
+	return result + (insideComment ? strip(jsonString.slice(offset)) : jsonString.slice(offset));
+};