eslint-plugin-obsidianmd/dist/lib/rules/regexLookbehind.js

Validates guidelines for Obsidian plugins

import { manifest } from "../readManifest.js";
import { ESLintUtils } from "@typescript-eslint/utils";
const ruleCreator = ESLintUtils.RuleCreator((name) => `https://github.com/obsidianmd/eslint-plugin/blob/master/docs/rules/${name}.md`);
export default ruleCreator({
    name: "regex-lookbehind",
    meta: {
        docs: {
            description: "Using lookbehinds in Regex is not supported in some iOS versions",
            url: "https://docs.obsidian.md/Plugins/Getting+started/Mobile+development#Lookbehind+in+regular+expressions",
        },
        type: "problem",
        messages: {
            lookbehind: "Lookbehinds are not supported on iOS versions before 16.4.",
        },
        schema: [],
    },
    defaultOptions: [],
    create(context) {
        return {
            Literal(node) {
                // Check RegExp literals
                if ("regex" in node &&
                    node.regex &&
                    typeof node.regex.pattern === "string") {
                    if (/\(\?<=|\(\?<!\)/.test(node.regex.pattern)) {
                        if (!manifest.isDesktopOnly) {
                            context.report({
                                node,
                                messageId: "lookbehind",
                            });
                        }
                    }
                }
                // Also check string literals (for RegExp constructor)
                if (typeof node.value === "string" &&
                    /(\?<=|\?<!)/.test(node.value)) {
                    if (!manifest.isDesktopOnly) {
                        context.report({
                            node,
                            messageId: "lookbehind",
                        });
                    }
                }
            },
        };
    },
});