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-rw-r--r--node_modules/detect-newline/index.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/node_modules/detect-newline/index.js b/node_modules/detect-newline/index.js
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+++ b/node_modules/detect-newline/index.js
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+'use strict';
+
+const detectNewline = string => {
+ if (typeof string !== 'string') {
+ throw new TypeError('Expected a string');
+ }
+
+ const newlines = string.match(/(?:\r?\n)/g) || [];
+
+ if (newlines.length === 0) {
+ return;
+ }
+
+ const crlf = newlines.filter(newline => newline === '\r\n').length;
+ const lf = newlines.length - crlf;
+
+ return crlf > lf ? '\r\n' : '\n';
+};
+
+module.exports = detectNewline;
+module.exports.graceful = string => (typeof string === 'string' && detectNewline(string)) || '\n';