Initial Commit

node_modules/dir-compare/build/src/fileCompareHandler/lines/compare/compareLines.js

@@ -0,0 +1,78 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compareLines = void 0;
+const TRIM_WHITE_SPACES_REGEXP = /^[ \f\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+|[ \f\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+$/g;
+const TRIM_LINE_ENDING_REGEXP = /\r\n|\n$/g;
+const REMOVE_WHITE_SPACES_REGEXP = /[ \f\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]/g;
+function compareLines(lines1, lines2, options) {
+    if (options.ignoreEmptyLines) {
+        lines1 = removeEmptyLines(lines1);
+        lines2 = removeEmptyLines(lines2);
+    }
+    const len = Math.min(lines1.length, lines2.length);
+    let i = 0;
+    for (; i < len; i++) {
+        const isEqual = compareLine(options, lines1[i], lines2[i]);
+        if (!isEqual) {
+            return { isEqual: false, restLines1: [], restLines2: [] };
+        }
+    }
+    return {
+        isEqual: true,
+        restLines1: lines1.slice(i),
+        restLines2: lines2.slice(i)
+    };
+}
+exports.compareLines = compareLines;
+function compareLine(options, line1, line2) {
+    if (options.ignoreLineEnding) {
+        line1 = trimLineEnding(line1);
+        line2 = trimLineEnding(line2);
+    }
+    if (options.ignoreWhiteSpaces) {
+        line1 = trimSpaces(line1);
+        line2 = trimSpaces(line2);
+    }
+    if (options.ignoreAllWhiteSpaces) {
+        line1 = removeSpaces(line1);
+        line2 = removeSpaces(line2);
+    }
+    return line1 === line2;
+}
+// Trims string like '   abc   \n' into 'abc\n'
+function trimSpaces(s) {
+    const { content, lineEnding } = separateEol(s);
+    const trimmed = content.replace(TRIM_WHITE_SPACES_REGEXP, '');
+    return trimmed + lineEnding;
+}
+function trimLineEnding(s) {
+    return s.replace(TRIM_LINE_ENDING_REGEXP, '');
+}
+function removeSpaces(s) {
+    return s.replace(REMOVE_WHITE_SPACES_REGEXP, '');
+}
+function removeEmptyLines(lines) {
+    return lines.filter(line => !isEmptyLine(line));
+}
+function isEmptyLine(line) {
+    return line === '\n' || line === '\r\n';
+}
+function separateEol(s) {
+    const len = s.length;
+    let lineEnding = '';
+    let content = s;
+    if (s[len - 1] === '\n') {
+        if (s[len - 2] === '\r') {
+            return {
+                lineEnding: '\r\n',
+                content: s.slice(0, len - 2)
+            };
+        }
+        {
+            lineEnding = '\n';
+            content = s.slice(0, len - 1);
+        }
+    }
+    return { content, lineEnding };
+}
+//# sourceMappingURL=compareLines.js.map