98 lines
3.1 KiB
JavaScript
98 lines
3.1 KiB
JavaScript
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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const chalk = require('chalk');
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const path = require('path');
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const os = require('os');
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class ModuleScopePlugin {
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constructor(appSrc, allowedFiles = []) {
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this.appSrcs = Array.isArray(appSrc) ? appSrc : [appSrc];
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this.allowedFiles = new Set(allowedFiles);
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}
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apply(resolver) {
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const { appSrcs } = this;
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resolver.hooks.file.tapAsync(
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'ModuleScopePlugin',
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(request, contextResolver, callback) => {
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// Unknown issuer, probably webpack internals
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if (!request.context.issuer) {
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return callback();
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}
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if (
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// If this resolves to a node_module, we don't care what happens next
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request.descriptionFileRoot.indexOf('/node_modules/') !== -1 ||
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request.descriptionFileRoot.indexOf('\\node_modules\\') !== -1 ||
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// Make sure this request was manual
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!request.__innerRequest_request
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) {
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return callback();
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}
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// Resolve the issuer from our appSrc and make sure it's one of our files
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// Maybe an indexOf === 0 would be better?
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if (
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appSrcs.every(appSrc => {
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const relative = path.relative(appSrc, request.context.issuer);
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// If it's not in one of our app src or a subdirectory, not our request!
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return relative.startsWith('../') || relative.startsWith('..\\');
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})
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) {
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return callback();
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}
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const requestFullPath = path.resolve(
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path.dirname(request.context.issuer),
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request.__innerRequest_request
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);
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if (this.allowedFiles.has(requestFullPath)) {
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return callback();
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}
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// Find path from src to the requested file
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// Error if in a parent directory of all given appSrcs
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if (
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appSrcs.every(appSrc => {
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const requestRelative = path.relative(appSrc, requestFullPath);
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return (
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requestRelative.startsWith('../') ||
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requestRelative.startsWith('..\\')
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);
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})
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) {
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const scopeError = new Error(
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`You attempted to import ${chalk.cyan(
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request.__innerRequest_request
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)} which falls outside of the project ${chalk.cyan(
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'src/'
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)} directory. ` +
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`Relative imports outside of ${chalk.cyan(
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'src/'
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)} are not supported.` +
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os.EOL +
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`You can either move it inside ${chalk.cyan(
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'src/'
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)}, or add a symlink to it from project's ${chalk.cyan(
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'node_modules/'
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)}.`
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);
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Object.defineProperty(scopeError, '__module_scope_plugin', {
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value: true,
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writable: false,
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enumerable: false,
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});
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callback(scopeError, request);
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} else {
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callback();
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}
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}
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);
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}
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}
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module.exports = ModuleScopePlugin;
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