1 files changed, 176 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/computed-property-spacing.js b/tools/node_modules/eslint/lib/rules/computed-property-spacing.js
new file mode 100644
index 0000000000..19c28fd22e
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/computed-property-spacing.js
@@ -0,0 +1,176 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside computed properties.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const astUtils = require("../ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "enforce consistent spacing inside computed property brackets",
+            category: "Stylistic Issues",
+            recommended: false
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            }
+        ]
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const propertyNameMustBeSpaced = context.options[0] === "always"; // default is "never"
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports that there shouldn't be a space after the first token
+         * @param {ASTNode} node - The node to report in the event of an error.
+         * @param {Token} token - The token to use for the report.
+         * @param {Token} tokenAfter - The token after `token`.
+         * @returns {void}
+         */
+        function reportNoBeginningSpace(node, token, tokenAfter) {
+            context.report({
+                node,
+                loc: token.loc.start,
+                message: "There should be no space after '{{tokenValue}}'.",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there shouldn't be a space before the last token
+         * @param {ASTNode} node - The node to report in the event of an error.
+         * @param {Token} token - The token to use for the report.
+         * @param {Token} tokenBefore - The token before `token`.
+         * @returns {void}
+         */
+        function reportNoEndingSpace(node, token, tokenBefore) {
+            context.report({
+                node,
+                loc: token.loc.start,
+                message: "There should be no space before '{{tokenValue}}'.",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space after the first token
+         * @param {ASTNode} node - The node to report in the event of an error.
+         * @param {Token} token - The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredBeginningSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc.start,
+                message: "A space is required after '{{tokenValue}}'.",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextAfter(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space before the last token
+         * @param {ASTNode} node - The node to report in the event of an error.
+         * @param {Token} token - The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredEndingSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc.start,
+                message: "A space is required before '{{tokenValue}}'.",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextBefore(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Returns a function that checks the spacing of a node on the property name
+         * that was passed in.
+         * @param {string} propertyName The property on the node to check for spacing
+         * @returns {Function} A function that will check spacing on a node
+         */
+        function checkSpacing(propertyName) {
+            return function(node) {
+                if (!node.computed) {
+                    return;
+                }
+
+                const property = node[propertyName];
+
+                const before = sourceCode.getTokenBefore(property),
+                    first = sourceCode.getFirstToken(property),
+                    last = sourceCode.getLastToken(property),
+                    after = sourceCode.getTokenAfter(property);
+
+                if (astUtils.isTokenOnSameLine(before, first)) {
+                    if (propertyNameMustBeSpaced) {
+                        if (!sourceCode.isSpaceBetweenTokens(before, first) && astUtils.isTokenOnSameLine(before, first)) {
+                            reportRequiredBeginningSpace(node, before);
+                        }
+                    } else {
+                        if (sourceCode.isSpaceBetweenTokens(before, first)) {
+                            reportNoBeginningSpace(node, before, first);
+                        }
+                    }
+                }
+
+                if (astUtils.isTokenOnSameLine(last, after)) {
+                    if (propertyNameMustBeSpaced) {
+                        if (!sourceCode.isSpaceBetweenTokens(last, after) && astUtils.isTokenOnSameLine(last, after)) {
+                            reportRequiredEndingSpace(node, after);
+                        }
+                    } else {
+                        if (sourceCode.isSpaceBetweenTokens(last, after)) {
+                            reportNoEndingSpace(node, after, last);
+                        }
+                    }
+                }
+            };
+        }
+
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Property: checkSpacing("key"),
+            MemberExpression: checkSpacing("property")
+        };
+
+    }
+};