bd028579
 易尊强
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// adding js extension in the import statement.
// Reference:
// https://regexr.com/47jlq
// https://gist.github.com/manekinekko/7e58a17bc62a9be47172
const regexp = /((?:(?:import)|(?:export))\s+?(?:(?:(?:[\w*\s{},\/]*)\s+from\s+?)|))(?:(?:"(.*?)")|(?:'(.*?)'))([\s]*?(?:;|$|))/g;
module.exports.transformImport = function (code, processModuleName) {
return code.replace(regexp, (str, prefix, moduleNameA, moduleNameB, postfix) => {
let moduleName = (moduleNameA === undefined ? moduleNameB : moduleNameA).trim();
const quote = moduleNameA === undefined ? "'" : '"';
return prefix + quote + processModuleName(moduleName) + quote + postfix;
// Not support other extensions.
});
}
const testCases = `import videos from './videos/index.js'
export default (socket, context) => {
// dynamically importing all the socket.io handler (it's dynamic import that happen at run time)
import {
something
} from "./test/okbb"
const f = 2;
import test from 'obb'
import {
Component
} from '@angular2/core';
import defaultMember from "module-0";
import * as name from "module-1 ";
import { member } from " module-2";
import { member as alias } from "module-3";
import { member1 , member2 } from "module-4";
import { member1 , member2 as alias2 , member3 as alias3 } from "module-5";
import defaultMember, { member, member } from "module-6";
import defaultMember, * as name from "module-7";
import "module-8";
import "module-9" // comment no problem
import {
AAAA,
// BBB
} from 'module-10';
import "module-b' // doesn't match -> the opening and closing quation mark are different
importing hya from 'ttt'
import fbsfrom ''
// Export expressions.
export { aaa };
export * from "module-11";
export { aaa } from "module-12";
// Should not be parsed
export default aaa;
export function bbb () {
};
`
module.exports.runTest = function () {
const expected = [
'./videos/index.js',
'./test/okbb',
'obb',
'@angular2/core',
'module-0',
'module-1',
'module-2',
'module-3',
'module-4',
'module-5',
'module-6',
'module-7',
'module-8',
'module-9',
'module-10',
'module-11',
'module-12'
]
let cursor = 0;
module.exports.transformImport(testCases, (moduleName) => {
if (expected[cursor] !== moduleName) {
throw new Error(`Expected ${expected[cursor]}. Actual ${moduleName}`);
}
cursor++;
return moduleName;
})
if (cursor !== expected.length) {
throw new Error('Test failed');
}
console.log('All test passed!')
}
// module.exports.runTest();
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