knip/dist/plugins/eslint/resolveFromAST.js

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

import { Visitor } from 'oxc-parser';
import { toDeferResolve } from "../../util/input.js";
import { findProperty } from "../../typescript/ast-helpers.js";
import { isInternal } from "../../util/path.js";
export const getInputsFromFlatConfigAST = (program) => {
    const inputs = [];
    const visitor = new Visitor({
        ObjectExpression(node) {
            const settingsNode = findProperty(node, 'settings');
            if (!settingsNode || settingsNode.type !== 'ObjectExpression')
                return;
            for (const prop of settingsNode.properties ?? []) {
                if (prop.type !== 'Property')
                    continue;
                const key = prop.key?.name ?? prop.key?.value;
                if (key === 'import/resolver' || key === 'import/parsers') {
                    if (prop.value?.type === 'ObjectExpression') {
                        for (const p of prop.value.properties ?? []) {
                            if (p.type !== 'Property')
                                continue;
                            const resolver = p.key?.name ?? p.key?.value;
                            if (resolver && resolver !== 'node' && !isInternal(resolver)) {
                                const dep = key === 'import/resolver' ? `eslint-import-resolver-${resolver}` : resolver;
                                inputs.push(toDeferResolve(dep, { optional: true }));
                            }
                        }
                    }
                    else if (prop.value?.type === 'StringLiteral' ||
                        (prop.value?.type === 'Literal' && typeof prop.value.value === 'string')) {
                        const resolver = prop.value.value;
                        if (resolver && resolver !== 'node' && !isInternal(resolver)) {
                            const dep = key === 'import/resolver' ? `eslint-import-resolver-${resolver}` : resolver;
                            inputs.push(toDeferResolve(dep, { optional: true }));
                        }
                    }
                }
            }
        },
    });
    visitor.visit(program);
    inputs.push(toDeferResolve('eslint-import-resolver-typescript', { optional: true }));
    return inputs;
};