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qwen/nodejs/node_modules/eslint/lib/rules/object-property-newline.js

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+/**
+ * @fileoverview Rule to enforce placing object properties on separate lines.
+ * @author Vitor Balocco
+ * @deprecated in ESLint v8.53.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../shared/types').Rule} */
+module.exports = {
+    meta: {
+        deprecated: true,
+        replacedBy: [],
+        type: "layout",
+
+        docs: {
+            description: "Enforce placing object properties on separate lines",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/object-property-newline"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowAllPropertiesOnSameLine: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowMultiplePropertiesPerLine: { // Deprecated
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "whitespace",
+
+        messages: {
+            propertiesOnNewlineAll: "Object properties must go on a new line if they aren't all on the same line.",
+            propertiesOnNewline: "Object properties must go on a new line."
+        }
+    },
+
+    create(context) {
+        const allowSameLine = context.options[0] && (
+            (context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine /* Deprecated */)
+        );
+        const messageId = allowSameLine
+            ? "propertiesOnNewlineAll"
+            : "propertiesOnNewline";
+
+        const sourceCode = context.sourceCode;
+
+        return {
+            ObjectExpression(node) {
+                if (allowSameLine) {
+                    if (node.properties.length > 1) {
+                        const firstTokenOfFirstProperty = sourceCode.getFirstToken(node.properties[0]);
+                        const lastTokenOfLastProperty = sourceCode.getLastToken(node.properties[node.properties.length - 1]);
+
+                        if (firstTokenOfFirstProperty.loc.end.line === lastTokenOfLastProperty.loc.start.line) {
+
+                            // All keys and values are on the same line
+                            return;
+                        }
+                    }
+                }
+
+                for (let i = 1; i < node.properties.length; i++) {
+                    const lastTokenOfPreviousProperty = sourceCode.getLastToken(node.properties[i - 1]);
+                    const firstTokenOfCurrentProperty = sourceCode.getFirstToken(node.properties[i]);
+
+                    if (lastTokenOfPreviousProperty.loc.end.line === firstTokenOfCurrentProperty.loc.start.line) {
+                        context.report({
+                            node,
+                            loc: firstTokenOfCurrentProperty.loc,
+                            messageId,
+                            fix(fixer) {
+                                const comma = sourceCode.getTokenBefore(firstTokenOfCurrentProperty);
+                                const rangeAfterComma = [comma.range[1], firstTokenOfCurrentProperty.range[0]];
+
+                                // Don't perform a fix if there are any comments between the comma and the next property.
+                                if (sourceCode.text.slice(rangeAfterComma[0], rangeAfterComma[1]).trim()) {
+                                    return null;
+                                }
+
+                                return fixer.replaceTextRange(rangeAfterComma, "\n");
+                            }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};