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merged 2 commits into from
Feb 23, 2022
Merged

chore(commonjs): transpile dynamic helper to ES5 #1082

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chore(commonjs): transpile dynamic helper to ES5
JLHwung Jan 7, 2022
2712e57
test: update snapshot
JLHwung Feb 22, 2022
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chore(commonjs): transpile dynamic helper to ES5
  • Loading branch information
@JLHwung
JLHwung committed Feb 22, 2022
commit 6636224085a62b9bc14bd10a8df36fd04a0f102b
54 changes: 27 additions & 27 deletions packages/commonjs/src/helpers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -74,32 +74,32 @@ export function commonjsRegister (path, loader) {
}

export function commonjsRegisterOrShort (path, to) {
const resolvedPath = commonjsResolveImpl(path, null, true);
var resolvedPath = commonjsResolveImpl(path, null, true);
if (resolvedPath !== null && DYNAMIC_REQUIRE_CACHE[resolvedPath]) {
DYNAMIC_REQUIRE_CACHE[path] = DYNAMIC_REQUIRE_CACHE[resolvedPath];
} else {
DYNAMIC_REQUIRE_SHORTS[path] = to;
}
}

const DYNAMIC_REQUIRE_LOADERS = Object.create(null);
const DYNAMIC_REQUIRE_CACHE = Object.create(null);
const DYNAMIC_REQUIRE_SHORTS = Object.create(null);
const DEFAULT_PARENT_MODULE = {
var DYNAMIC_REQUIRE_LOADERS = Object.create(null);
var DYNAMIC_REQUIRE_CACHE = Object.create(null);
var DYNAMIC_REQUIRE_SHORTS = Object.create(null);
var DEFAULT_PARENT_MODULE = {
id: '<' + 'rollup>', exports: {}, parent: undefined, filename: null, loaded: false, children: [], paths: []
};
const CHECKED_EXTENSIONS = ['', '.js', '.json'];
var CHECKED_EXTENSIONS = ['', '.js', '.json'];

function normalize (path) {
path = path.replace(/\\\\/g, '/');
const parts = path.split('/');
const slashed = parts[0] === '';
for (let i = 1; i < parts.length; i++) {
var parts = path.split('/');
var slashed = parts[0] === '';
for (var i = 1; i < parts.length; i++) {
if (parts[i] === '.' || parts[i] === '') {
parts.splice(i--, 1);
}
}
for (let i = 1; i < parts.length; i++) {
for (var i = 1; i < parts.length; i++) {
if (parts[i] !== '..') continue;
if (i > 0 && parts[i - 1] !== '..' && parts[i - 1] !== '.') {
parts.splice(--i, 2);
Expand All @@ -117,9 +117,9 @@ function normalize (path) {
function join () {
if (arguments.length === 0)
return '.';
let joined;
for (let i = 0; i < arguments.length; ++i) {
let arg = arguments[i];
var joined;
for (var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if (arg.length > 0) {
if (joined === undefined)
joined = arg;
Expand All @@ -134,9 +134,9 @@ function join () {
}

function isPossibleNodeModulesPath (modulePath) {
let c0 = modulePath[0];
var c0 = modulePath[0];
if (c0 === '/' || c0 === '\\\\') return false;
let c1 = modulePath[1], c2 = modulePath[2];
var c1 = modulePath[1], c2 = modulePath[2];
if ((c0 === '.' && (!c1 || c1 === '/' || c1 === '\\\\')) ||
(c0 === '.' && c1 === '.' && (!c2 || c2 === '/' || c2 === '\\\\'))) return false;
if (c1 === ':' && (c2 === '/' || c2 === '\\\\'))
Expand All @@ -148,9 +148,9 @@ function dirname (path) {
if (path.length === 0)
return '.';

let i = path.length - 1;
var i = path.length - 1;
while (i > 0) {
const c = path.charCodeAt(i);
var c = path.charCodeAt(i);
if ((c === 47 || c === 92) && i !== path.length - 1)
break;
i--;
Expand All @@ -166,9 +166,9 @@ function dirname (path) {
}

export function commonjsResolveImpl (path, originalModuleDir, testCache) {
const shouldTryNodeModules = isPossibleNodeModulesPath(path);
var shouldTryNodeModules = isPossibleNodeModulesPath(path);
path = normalize(path);
let relPath;
var relPath;
if (path[0] === '/') {
originalModuleDir = '/';
}
Expand All @@ -185,8 +185,8 @@ export function commonjsResolveImpl (path, originalModuleDir, testCache) {
break; // Travelled too far up, avoid infinite loop
}

for (let extensionIndex = 0; extensionIndex < CHECKED_EXTENSIONS.length; extensionIndex++) {
const resolvedPath = relPath + CHECKED_EXTENSIONS[extensionIndex];
for (var extensionIndex = 0; extensionIndex < CHECKED_EXTENSIONS.length; extensionIndex++) {
var resolvedPath = relPath + CHECKED_EXTENSIONS[extensionIndex];
if (DYNAMIC_REQUIRE_CACHE[resolvedPath]) {
return resolvedPath;
}
Expand All @@ -198,34 +198,34 @@ export function commonjsResolveImpl (path, originalModuleDir, testCache) {
}
}
if (!shouldTryNodeModules) break;
const nextDir = normalize(originalModuleDir + '/..');
var nextDir = normalize(originalModuleDir + '/..');
if (nextDir === originalModuleDir) break;
originalModuleDir = nextDir;
}
return null;
}

export function commonjsResolve (path, originalModuleDir) {
const resolvedPath = commonjsResolveImpl(path, originalModuleDir);
var resolvedPath = commonjsResolveImpl(path, originalModuleDir);
if (resolvedPath !== null) {
return resolvedPath;
}
return require.resolve(path);
}

export function commonjsRequire (path, originalModuleDir) {
let resolvedPath = commonjsResolveImpl(path, originalModuleDir, true);
var resolvedPath = commonjsResolveImpl(path, originalModuleDir, true);
if (resolvedPath !== null) {
let cachedModule = DYNAMIC_REQUIRE_CACHE[resolvedPath];
var cachedModule = DYNAMIC_REQUIRE_CACHE[resolvedPath];
if (cachedModule) return cachedModule.exports;
let shortTo = DYNAMIC_REQUIRE_SHORTS[resolvedPath];
var shortTo = DYNAMIC_REQUIRE_SHORTS[resolvedPath];
if (shortTo) {
cachedModule = DYNAMIC_REQUIRE_CACHE[shortTo];
if (cachedModule)
return cachedModule.exports;
resolvedPath = commonjsResolveImpl(shortTo, null, true);
}
const loader = DYNAMIC_REQUIRE_LOADERS[resolvedPath];
var loader = DYNAMIC_REQUIRE_LOADERS[resolvedPath];
if (loader) {
DYNAMIC_REQUIRE_CACHE[resolvedPath] = cachedModule = {
id: resolvedPath,
Expand Down