449 lines
13 KiB
JavaScript
449 lines
13 KiB
JavaScript
require("../lib/api/node");
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var buildExternalHelpers = require("../lib/tools/build-external-helpers");
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var transform = require("../lib/transformation");
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var Pipeline = require("../lib/transformation/pipeline");
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var assert = require("assert");
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var File = require("../lib/transformation/file");
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function assertIgnored(result) {
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assert.ok(result.ignored);
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}
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function assertNotIgnored(result) {
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assert.ok(!result.ignored);
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}
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// shim
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function transformAsync(code, opts) {
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return {
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then: function (resolve) {
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resolve(transform(code, opts));
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}
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};
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}
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suite("api", function () {
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test("code option false", function () {
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return transformAsync("foo('bar');", { code: false }).then(function (result) {
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assert.ok(!result.code);
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});
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});
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test("ast option false", function () {
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return transformAsync("foo('bar');", { ast: false }).then(function (result) {
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assert.ok(!result.ast);
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});
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});
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test("auxiliaryCommentBefore option", function () {
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return Promise.all([
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transformAsync("class Foo {}", {
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auxiliaryCommentBefore: "foobar"
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}).then(function (result) {
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assert.ok(result.code.indexOf("foobar") >= 0);
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}),
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transformAsync("for (let i in bar) { foo(function () { i; }); break; continue; }", {
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auxiliaryCommentBefore: "foobar"
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}).then(function (result) {
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assert.ok(result.code.indexOf("foobar") >= 0);
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})
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]);
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});
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test("auxiliaryCommentAfter option", function () {
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return Promise.all([
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transformAsync("class Foo {}", {
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auxiliaryCommentAfter: "foobar"
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}).then(function (result) {
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assert.ok(result.code.indexOf("foobar") >= 0);
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}),
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transformAsync("for (let i in bar) { foo(function () { i; }); break; continue; }", {
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auxiliaryCommentAfter: "foobar"
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}).then(function (result) {
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assert.ok(result.code.indexOf("foobar") >= 0);
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})
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]);
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});
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test("modules metadata", function () {
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return Promise.all([
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transformAsync('import { externalName as localName } from "external";').then(function (result) {
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assert.deepEqual(result.metadata.modules.imports[0], {
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source: "external",
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imported: ["externalName"],
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specifiers: [{
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kind: "named",
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imported: "externalName",
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local: "localName"
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}]
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});
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}),
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transformAsync('import * as localName2 from "external";').then(function (result) {
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assert.deepEqual(result.metadata.modules.imports[0], {
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source: "external",
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imported: ["*"],
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specifiers: [{
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kind: "namespace",
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local: "localName2"
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}]
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});
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}),
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transformAsync('import localName3 from "external";').then(function (result) {
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assert.deepEqual(result.metadata.modules.imports[0], {
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source: "external",
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imported: ["default"],
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specifiers: [{
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kind: "named",
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imported: "default",
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local: "localName3"
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}]
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});
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}),
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transformAsync('import localName from "./array";', {
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resolveModuleSource: function() {
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return "override-source";
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}
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}).then(function (result) {
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assert.deepEqual(result.metadata.modules.imports, [
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{
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source: "override-source",
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imported: ["default"],
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specifiers: [
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{
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"kind": "named",
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"imported": "default",
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"local": "localName"
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}
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]
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}
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]);
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}),
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transformAsync('export * as externalName1 from "external";', {
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stage: 0
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}).then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ['externalName1'],
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specifiers: [{
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kind: "external-namespace",
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exported: "externalName1",
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source: "external",
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}]
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});
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}),
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transformAsync('export externalName2 from "external";', {
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stage: 0
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}).then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ["externalName2"],
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specifiers: [{
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kind: "external",
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local: "externalName2",
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exported: "externalName2",
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source: "external"
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}]
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});
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}),
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transformAsync('export function namedFunction() {}').then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ["namedFunction"],
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specifiers: [{
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kind: "local",
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local: "namedFunction",
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exported: "namedFunction"
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}]
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});
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}),
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transformAsync('export var foo = "bar";').then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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"exported": ["foo"],
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specifiers: [{
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kind: "local",
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local: "foo",
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exported: "foo"
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}]
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});
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}),
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transformAsync("export { localName as externalName3 };").then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ["externalName3"],
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specifiers: [{
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kind: "local",
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local: "localName",
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exported: "externalName3"
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}]
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});
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}),
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transformAsync('export { externalName4 } from "external";').then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ["externalName4"],
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specifiers: [{
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kind: "external",
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local: "externalName4",
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exported: "externalName4",
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source: "external"
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}]
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});
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}),
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transformAsync('export * from "external";').then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: [],
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specifiers: [{
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kind: "external-all",
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source: "external"
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}]
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});
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}),
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transformAsync("export default function defaultFunction() {}").then(function (result) {
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assert.deepEqual(result.metadata.modules.exports, {
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exported: ["defaultFunction"],
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specifiers: [{
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kind: "local",
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local: "defaultFunction",
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exported: "default"
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}]
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});
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})
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]);
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});
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test("ignore option", function () {
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return Promise.all([
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transformAsync("", {
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ignore: "node_modules",
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filename: "/foo/node_modules/bar"
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}).then(assertIgnored),
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transformAsync("", {
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ignore: "foo/node_modules",
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filename: "/foo/node_modules/bar"
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}).then(assertIgnored),
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transformAsync("", {
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ignore: "foo/node_modules/*.bar",
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filename: "/foo/node_modules/foo.bar"
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}).then(assertIgnored)
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]);
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});
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test("only option", function () {
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return Promise.all([
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transformAsync("", {
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only: "node_modules",
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filename: "/foo/node_modules/bar"
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}).then(assertNotIgnored),
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transformAsync("", {
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only: "foo/node_modules",
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filename: "/foo/node_modules/bar"
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}).then(assertNotIgnored),
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transformAsync("", {
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only: "foo/node_modules/*.bar",
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filename: "/foo/node_modules/foo.bar"
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}).then(assertNotIgnored),
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transformAsync("", {
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only: "node_modules",
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filename: "/foo/node_module/bar"
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}).then(assertIgnored),
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transformAsync("", {
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only: "foo/node_modules",
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filename: "/bar/node_modules/foo"
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}).then(assertIgnored),
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transformAsync("", {
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only: "foo/node_modules/*.bar",
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filename: "/foo/node_modules/bar.foo"
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}).then(assertIgnored)
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])
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});
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suite("getModuleId option", function () {
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// As of this commit, `getModuleId` is the only option that isn't JSON
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// compatible which is why it's not inside /test/core/fixtures/transformation
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function getModuleNameTest(moduleFormat, expected) {
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return transformAsync("foo('bar');", {
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filename: "/foo/bar/index",
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modules: moduleFormat,
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moduleIds: true,
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getModuleId: function (name) {
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return name.replace(/\/index$/, "");
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}
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}).then(function (result) {
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assert.equal(result.code, expected);
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});
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}
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test("amd", function () {
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var expected = [
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"define('/foo/bar', ['exports'], function (exports) {",
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" 'use strict';",
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"",
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" foo('bar');",
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"});"
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].join("\n");
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return getModuleNameTest("amd", expected);
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});
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test("umd", function () {
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var expected = [
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"(function (global, factory) {",
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" if (typeof define === 'function' && define.amd) {",
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" define('/foo/bar', ['exports'], factory);",
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" } else if (typeof exports !== 'undefined') {",
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" factory(exports);",
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" } else {",
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" var mod = {",
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" exports: {}",
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" };",
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" factory(mod.exports);",
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" global.fooBar = mod.exports;",
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" }",
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"})(this, function (exports) {",
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" 'use strict';",
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"",
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" foo('bar');",
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"});",
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].join("\n");
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return getModuleNameTest("umd", expected);
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});
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test("system", function () {
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var expected = [
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"System.register('/foo/bar', [], function (_export) {",
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" 'use strict';",
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"",
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" return {",
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" setters: [],",
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" execute: function () {",
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" foo('bar');",
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" }",
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" };",
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"});",
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].join("\n");
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return getModuleNameTest("system", expected);
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});
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});
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suite("env option", function () {
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var oldBabelEnv = process.env.BABEL_ENV;
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var oldNodeEnv = process.env.NODE_ENV;
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before(function () {
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delete process.env.BABEL_ENV;
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delete process.env.NODE_ENV;
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});
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after(function () {
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process.env.BABEL_ENV = oldBabelEnv;
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process.env.NODE_ENV = oldNodeEnv;
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});
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test("default", function () {
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return transformAsync("foo;", {
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env: {
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development: { blacklist: "strict" }
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}
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}).then(function (result) {
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assert.equal(result.code, "foo;");
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});
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});
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test("BABEL_ENV", function () {
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process.env.BABEL_ENV = "foo";
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return transformAsync("foo;", {
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env: {
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foo: { blacklist: "strict" }
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}
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}).then(function (result) {
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assert.equal(result.code, "foo;");
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});
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});
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test("NODE_ENV", function () {
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process.env.NODE_ENV = "foo";
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return transformAsync("foo;", {
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env: {
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foo: { blacklist: "strict" }
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}
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}).then(function (result) {
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assert.equal(result.code, "foo;");
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});
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});
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});
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test("addHelper unknown", function () {
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var file = new File({}, transform.pipeline);
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assert.throws(function () {
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file.addHelper("foob");
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}, /Unknown helper foob/);
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});
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test("resolveModuleSource option", function () {
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var actual = 'import foo from "foo-import-default";\nimport "foo-import-bare";\nexport { foo } from "foo-export-named";';
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var expected = 'import foo from "resolved/foo-import-default";\nimport "resolved/foo-import-bare";\nexport { foo } from "resolved/foo-export-named";';
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return transformAsync(actual, {
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blacklist: ["es6.modules", "strict"],
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resolveModuleSource: function (originalSource) {
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return "resolved/" + originalSource;
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}
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}).then(function (result) {
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assert.equal(result.code.trim(), expected);
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});
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});
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test("extra options", function () {
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var file1 = new File({ extra: { foo: "bar" } }, transform.pipeline);
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assert.equal(file1.opts.extra.foo, "bar");
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var file2 = new File({}, transform.pipeline);
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var file3 = new File({}, transform.pipeline);
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assert.ok(file2.opts.extra !== file3.opts.extra);
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});
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// For now just signal that it's not cruft and shouldn't be deleted.
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test("pretransform exists", function () {
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assert.ok(Pipeline.prototype.pretransform);
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});
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suite("buildExternalHelpers", function () {
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test("all", function () {
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var script = buildExternalHelpers();
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assert.ok(script.indexOf("classCallCheck") >= -1);
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assert.ok(script.indexOf("inherits") >= 0);
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});
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test("whitelist", function () {
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var script = buildExternalHelpers(["inherits"]);
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assert.ok(script.indexOf("classCallCheck") === -1);
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assert.ok(script.indexOf("inherits") >= 0);
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});
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test("empty whitelist", function () {
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var script = buildExternalHelpers([]);
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assert.ok(script.indexOf("classCallCheck") === -1);
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assert.ok(script.indexOf("inherits") === -1);
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});
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});
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});
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