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

Validates guidelines for Obsidian plugins

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: "detach-leaves",
    meta: {
        docs: {
            description: "Don't detach leaves in onunload.",
            url: "https://docs.obsidian.md/Plugins/Releasing/Plugin+guidelines#Don't+detach+leaves+in+%60onunload%60",
        },
        type: "problem",
        messages: {
            onunload: "Don't detach leaves in onunload.",
        },
        schema: [],
        fixable: "code",
    },
    defaultOptions: [],
    create: (context) => {
        return {
            MethodDefinition(node) {
                if (node.key.type === "Identifier" &&
                    node.key.name === "onunload") {
                    if (node.value.type === "FunctionExpression" &&
                        node.value.body &&
                        node.value.body.type === "BlockStatement") {
                        node.value.body.body.forEach((statement) => {
                            if (statement.type === "ExpressionStatement" &&
                                statement.expression.type ===
                                    "CallExpression" &&
                                statement.expression.callee.type ===
                                    "MemberExpression" &&
                                statement.expression.callee.property.type ===
                                    "Identifier" &&
                                statement.expression.callee.property.name ===
                                    "detachLeavesOfType") {
                                context.report({
                                    node,
                                    messageId: "onunload",
                                    fix: (fixer) => fixer.remove(statement),
                                });
                            }
                        });
                    }
                }
            },
        };
    },
});