115 lines
2.7 KiB
JavaScript
115 lines
2.7 KiB
JavaScript
// adding js extension in the import statement.
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// Reference:
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// https://regexr.com/47jlq
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// https://gist.github.com/manekinekko/7e58a17bc62a9be47172
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const regexp = /((?:(?:import)|(?:export))\s+?(?:(?:(?:[\w*\s{},\/]*)\s+from\s+?)|))(?:(?:"(.*?)")|(?:'(.*?)'))([\s]*?(?:;|$|))/g;
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module.exports.transformImport = function (code, processModuleName) {
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return code.replace(regexp, (str, prefix, moduleNameA, moduleNameB, postfix) => {
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let moduleName = (moduleNameA === undefined ? moduleNameB : moduleNameA).trim();
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const quote = moduleNameA === undefined ? "'" : '"';
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return prefix + quote + processModuleName(moduleName) + quote + postfix;
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// Not support other extensions.
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});
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}
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const testCases = `import videos from './videos/index.js'
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export default (socket, context) => {
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// dynamically importing all the socket.io handler (it's dynamic import that happen at run time)
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import {
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something
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} from "./test/okbb"
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const f = 2;
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import test from 'obb'
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import {
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Component
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} from '@angular2/core';
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import defaultMember from "module-0";
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import * as name from "module-1 ";
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import { member } from " module-2";
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import { member as alias } from "module-3";
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import { member1 , member2 } from "module-4";
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import { member1 , member2 as alias2 , member3 as alias3 } from "module-5";
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import defaultMember, { member, member } from "module-6";
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import defaultMember, * as name from "module-7";
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import "module-8";
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import "module-9" // comment no problem
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import {
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AAAA,
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// BBB
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} from 'module-10';
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import "module-b' // doesn't match -> the opening and closing quation mark are different
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importing hya from 'ttt'
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import fbsfrom ''
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// Export expressions.
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export { aaa };
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export * from "module-11";
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export { aaa } from "module-12";
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// Should not be parsed
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export default aaa;
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export function bbb () {
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};
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`
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module.exports.runTest = function () {
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const expected = [
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'./videos/index.js',
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'./test/okbb',
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'obb',
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'@angular2/core',
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'module-0',
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'module-1',
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'module-2',
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'module-3',
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'module-4',
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'module-5',
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'module-6',
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'module-7',
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'module-8',
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'module-9',
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'module-10',
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'module-11',
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'module-12'
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]
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let cursor = 0;
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module.exports.transformImport(testCases, (moduleName) => {
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if (expected[cursor] !== moduleName) {
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throw new Error(`Expected ${expected[cursor]}. Actual ${moduleName}`);
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}
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cursor++;
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return moduleName;
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})
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if (cursor !== expected.length) {
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throw new Error('Test failed');
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}
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console.log('All test passed!')
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}
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// module.exports.runTest();
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