@typescript-eslint/scope-manager
Version:
TypeScript scope analyser for ESLint
42 lines (41 loc) • 1.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.analyze = analyze;
const visitor_keys_1 = require("@typescript-eslint/visitor-keys");
const referencer_1 = require("./referencer");
const ScopeManager_1 = require("./ScopeManager");
const DEFAULT_OPTIONS = {
childVisitorKeys: visitor_keys_1.visitorKeys,
emitDecoratorMetadata: false,
globalReturn: false,
impliedStrict: false,
jsxFragmentName: null,
jsxPragma: 'React',
lib: ['es2018'],
sourceType: 'script',
};
/**
* Takes an AST and returns the analyzed scopes.
*/
function analyze(tree, providedOptions) {
const options = {
childVisitorKeys: providedOptions?.childVisitorKeys ?? DEFAULT_OPTIONS.childVisitorKeys,
emitDecoratorMetadata: false,
globalReturn: providedOptions?.globalReturn ?? DEFAULT_OPTIONS.globalReturn,
impliedStrict: providedOptions?.impliedStrict ?? DEFAULT_OPTIONS.impliedStrict,
jsxFragmentName: providedOptions?.jsxFragmentName ?? DEFAULT_OPTIONS.jsxFragmentName,
jsxPragma:
// eslint-disable-next-line @typescript-eslint/internal/eqeq-nullish
providedOptions?.jsxPragma === undefined
? DEFAULT_OPTIONS.jsxPragma
: providedOptions.jsxPragma,
lib: providedOptions?.lib ?? ['esnext'],
sourceType: providedOptions?.sourceType ?? DEFAULT_OPTIONS.sourceType,
};
// ensure the option is lower cased
options.lib = options.lib.map(l => l.toLowerCase());
const scopeManager = new ScopeManager_1.ScopeManager(options);
const referencer = new referencer_1.Referencer(options, scopeManager);
referencer.visit(tree);
return scopeManager;
}