dtslint/bin/rules/noImportDefaultOfExportEqualsRule.js

Runs tests on TypeScript definition files

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Rule = void 0;
const Lint = __importStar(require("tslint"));
const ts = __importStar(require("typescript"));
const util_1 = require("../util");
class Rule extends Lint.Rules.TypedRule {
    static FAILURE_STRING(importName, moduleName) {
        return (0, util_1.failure)(Rule.metadata.ruleName, `The module ${moduleName} uses \`export = \`. Import with \`import ${importName} = require(${moduleName})\`.`);
    }
    applyWithProgram(sourceFile, program) {
        return this.applyWithFunction(sourceFile, ctx => walk(ctx, program.getTypeChecker()));
    }
}
exports.Rule = Rule;
Rule.metadata = {
    ruleName: "no-import-default-of-export-equals",
    description: "Forbid a default import to reference an `export =` module.",
    optionsDescription: "Not configurable.",
    options: null,
    type: "functionality",
    typescriptOnly: true,
};
function walk(ctx, checker) {
    (0, util_1.eachModuleStatement)(ctx.sourceFile, statement => {
        if (!ts.isImportDeclaration(statement)) {
            return;
        }
        const defaultName = statement.importClause && statement.importClause.name;
        if (!defaultName) {
            return;
        }
        const sym = checker.getSymbolAtLocation(statement.moduleSpecifier);
        if (sym && sym.declarations && sym.declarations.some(d => {
            const statements = getStatements(d);
            return statements !== undefined && statements.some(s => ts.isExportAssignment(s) && !!s.isExportEquals);
        })) {
            ctx.addFailureAtNode(defaultName, Rule.FAILURE_STRING(defaultName.text, statement.moduleSpecifier.getText()));
        }
    });
}
function getStatements(decl) {
    return ts.isSourceFile(decl) ? decl.statements
        : ts.isModuleDeclaration(decl) ? (0, util_1.getModuleDeclarationStatements)(decl)
            : undefined;
}
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