ags

home/ags/node_modules/eslint-plugin-es-x/lib/rules/no-json-superset.js

@@ -0,0 +1,55 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+const { getSourceCode } = require("eslint-compat-utils")
+const { definePatternSearchGenerator } = require("../utils")
+const iterateTargetChars = definePatternSearchGenerator(/[\u2028\u2029]/gu)
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow `\\u2028` and `\\u2029` in string literals.",
+            category: "ES2019",
+            recommended: false,
+            url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-json-superset.html",
+        },
+        fixable: "code",
+        messages: {
+            forbidden: "ES2019 '\\u{{code}}' in string literals is forbidden.",
+        },
+        schema: [],
+        type: "problem",
+    },
+    create(context) {
+        const sourceCode = getSourceCode(context)
+        return {
+            Literal(node) {
+                if (typeof node.value !== "string") {
+                    return
+                }
+
+                const offset = node.range[0]
+                for (const { index } of iterateTargetChars(node.raw)) {
+                    const code = node.raw.codePointAt(index).toString(16)
+                    const loc = sourceCode.getLocFromIndex(offset + index)
+
+                    context.report({
+                        node,
+                        loc,
+                        messageId: "forbidden",
+                        data: { code },
+                        fix(fixer) {
+                            return fixer.replaceTextRange(
+                                [offset + index, offset + index + 1],
+                                `\\u${code}`,
+                            )
+                        },
+                    })
+                }
+            },
+        }
+    },
+}