108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
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'use strict';
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const assert = require('assert');
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const detective = require('../');
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describe('detective-es6', function() {
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const ast = {
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type: 'Program',
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body: [{
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type: 'VariableDeclaration',
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declarations: [{
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type: 'VariableDeclarator',
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id: {
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type: 'Identifier',
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name: 'x'
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},
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init: {
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type: 'Literal',
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value: 4,
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raw: '4'
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}
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}],
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kind: 'let'
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}]
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};
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it('accepts an ast', function() {
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const deps = detective(ast);
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assert(!deps.length);
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});
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it('retrieves the dependencies of es6 modules', function() {
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const deps = detective('import {foo, bar} from "mylib";');
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assert(deps.length === 1);
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assert(deps[0] === 'mylib');
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});
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it('retrieves the re-export dependencies of es6 modules', function() {
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const deps = detective('export {foo, bar} from "mylib";');
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assert(deps.length === 1);
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assert(deps[0] === 'mylib');
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});
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it('retrieves the re-export * dependencies of es6 modules', function() {
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const deps = detective('export * from "mylib";');
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assert(deps.length === 1);
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assert(deps[0] === 'mylib');
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});
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it('handles multiple imports', function() {
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const deps = detective('import {foo, bar} from "mylib";\nimport "mylib2"');
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assert(deps.length === 2);
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assert(deps[0] === 'mylib');
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assert(deps[1] === 'mylib2');
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});
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it('handles default imports', function() {
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const deps = detective('import foo from "foo";');
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assert(deps.length === 1);
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assert(deps[0] === 'foo');
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});
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it('handles dynamic imports', function() {
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const deps = detective('import("foo").then(foo => foo());');
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assert(deps.length === 1);
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assert(deps[0] === 'foo');
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})
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it('returns an empty list for non-es6 modules', function() {
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const deps = detective('var foo = require("foo");');
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assert(!deps.length);
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});
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it('returns an empty list for empty files', function() {
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const deps = detective('');
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assert.equal(deps.length, 0);
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});
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it('throws when content is not provided', function() {
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assert.throws(function() {
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detective();
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}, Error, 'src not given');
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});
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it('does not throw with jsx in a module', function() {
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assert.doesNotThrow(function() {
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detective('import foo from \'foo\'; var templ = <jsx />;');
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});
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});
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it('does not throw on an async ES7 function', function() {
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assert.doesNotThrow(function() {
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detective('import foo from \'foo\'; export default async function foo() {}');
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});
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});
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it('respects settings for type imports', function() {
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const source = 'import type {foo} from "mylib";';
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const depsWithTypes = detective(source);
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const depsWithoutTypes = detective(source, {skipTypeImports: true});
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assert.deepEqual(depsWithTypes, ['mylib']);
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assert.deepEqual(depsWithoutTypes, []);
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});
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});
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