Updates crypto library

LICENSE.md

@@ -82,6 +82,34 @@ Repository: https://github.com/acornjs/acorn.git
 
 ---------------------------------------
 
+## asmcrypto.js
+License: MIT
+By: Ádám Lippai, Artem S Vybornov, Ximin Luo
+Repository: git+https://github.com/asmcrypto/asmcrypto.js.git
+
+> The MIT License (MIT)
+> 
+> Copyright (c) 2013 Artem S Vybornov
+> 
+> Permission is hereby granted, free of charge, to any person obtaining a copy of
+> this software and associated documentation files (the "Software"), to deal in
+> the Software without restriction, including without limitation the rights to
+> use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+> the Software, and to permit persons to whom the Software is furnished to do so,
+> subject to the following conditions:
+> 
+> The above copyright notice and this permission notice shall be included in all
+> copies or substantial portions of the Software.
+> 
+> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+> FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+> COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+> IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+> CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+---------------------------------------
+
 ## braces
 License: MIT
 By: Jon Schlinkert, Brian Woodward, Elan Shanker, Eugene Sharygin, hemanth.hm
@@ -147,35 +175,6 @@ Repository: jonschlinkert/fill-range
 
 ---------------------------------------
 
-## hash.js
-License: MIT
-By: Fedor Indutny
-Repository: git@github.com:indutny/hash.js
-
----------------------------------------
-
-## inherits
-License: ISC
-Repository: git://github.com/isaacs/inherits
-
-> The ISC License
-> 
-> Copyright (c) Isaac Z. Schlueter
-> 
-> Permission to use, copy, modify, and/or distribute this software for any
-> purpose with or without fee is hereby granted, provided that the above
-> copyright notice and this permission notice appear in all copies.
-> 
-> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-> REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-> FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-> INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-> LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-> OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-> PERFORMANCE OF THIS SOFTWARE.
-
----------------------------------------
-
 ## is-number
 License: MIT
 By: Jon Schlinkert, Olsten Larck, Rouven Weßling
@@ -263,26 +262,6 @@ Repository: micromatch/micromatch
 
 ---------------------------------------
 
-## minimalistic-assert
-License: ISC
-Repository: https://github.com/calvinmetcalf/minimalistic-assert.git
-
-> Copyright 2015 Calvin Metcalf
-> 
-> Permission to use, copy, modify, and/or distribute this software for any purpose
-> with or without fee is hereby granted, provided that the above copyright notice
-> and this permission notice appear in all copies.
-> 
-> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-> REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-> FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-> INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-> LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
-> OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-> PERFORMANCE OF THIS SOFTWARE.
-
----------------------------------------
-
 ## minimist
 License: MIT
 By: James Halliday

browser/crypto.ts

@@ -0,0 +1,49 @@
+import * as asmCrypto from 'asmcrypto.js';
+
+function createHash(algorithm: string) {
+	return new Hasher(algorithm);
+}
+
+class Hasher {
+	hasher: asmCrypto.Sha256;
+
+	constructor(algorithm: string) {
+		switch (algorithm) {
+			case 'sha256':
+				this.hasher = new asmCrypto.Sha256();
+				break;
+			default:
+				throw new Error(`Unsupported algorithm: '${algorithm}'.`);
+		}
+	}
+
+	digest(encoding: string) {
+		this.hasher.finish();
+		// The type of '.result' is always 'Uint8Array' after calling 'finish()'. Before that, it could also be 'null'. Casting
+		// is necessary to avoid type errors when encoding the hash.
+		const hash = this.hasher.result as Uint8Array;
+
+		let encoded: string;
+		switch (encoding) {
+			case 'hex':
+				encoded = asmCrypto.bytes_to_hex(hash);
+				break;
+			default:
+				throw new Error(`Unsupported encoding: '${encoding}'.`);
+		}
+
+		return encoded;
+	}
+
+	update(data: string | Buffer) {
+		if (typeof data === 'string') {
+			this.hasher.process(new TextEncoder().encode(data));
+		} else {
+			this.hasher.process(data);
+		}
+
+		return this;
+	}
+}
+
+export { createHash };

package.json

@@ -75,6 +75,7 @@
     "acorn-import-meta": "^1.0.0",
     "acorn-jsx": "^5.1.0",
     "acorn-walk": "^7.0.0",
+    "asmcrypto.js": "^2.3.2",
     "buble": "^0.19.8",
     "chokidar": "^2.1.8",
     "codecov": "^3.6.1",
@@ -88,7 +89,6 @@
     "eslint-plugin-import": "^2.18.2",
     "execa": "^3.2.0",
     "fixturify": "^1.2.0",
-    "hash.js": "^1.1.7",
     "husky": "^3.0.9",
     "is-reference": "^1.1.4",
     "lint-staged": "^9.4.2",

rollup.config.js

@@ -171,7 +171,7 @@ export default command => {
 			!command.configTest && license({ thirdParty: generateLicenseFile })
 		],
 		// acorn needs to be external as some plugins rely on a shared acorn instance
-		external: ['acorn', 'assert', 'events', 'fs', 'module', 'path', 'util'],
+		external: ['acorn', 'assert', 'crypto', 'events', 'fs', 'module', 'path', 'util'],
 		treeshake,
 		output: {
 			banner,
@@ -205,6 +205,7 @@ export default command => {
 			json(),
 			{
 				load: id => {
+					if (~id.indexOf('crypto.ts')) return fs.readFileSync('browser/crypto.ts', 'utf-8');
 					if (~id.indexOf('fs.ts')) return fs.readFileSync('browser/fs.ts', 'utf-8');
 					if (~id.indexOf('path.ts')) return fs.readFileSync('browser/path.ts', 'utf-8');
 				}

src/Chunk.ts

@@ -1,5 +1,5 @@
-import sha256 from 'hash.js/lib/hash/sha/256';
 import MagicString, { Bundle as MagicStringBundle, SourceMap } from 'magic-string';
+import { createHash } from '../browser/crypto';
 import { relative } from '../browser/path';
 import { createInclusionContext } from './ast/ExecutionContext';
 import ExportDefaultDeclaration from './ast/nodes/ExportDefaultDeclaration';
@@ -366,7 +366,7 @@ export default class Chunk {
 	getRenderedHash(): string {
 		if (this.renderedHash) return this.renderedHash;
 		if (!this.renderedSource) return '';
-		const hash = sha256();
+		const hash = createHash('sha256');
 		const hashAugmentation = this.calculateHashAugmentation();
 		hash.update(hashAugmentation);
 		hash.update(this.renderedSource.toString());
@@ -860,7 +860,7 @@ export default class Chunk {
 		options: OutputOptions,
 		existingNames: Record<string, any>
 	): string {
-		const hash = sha256();
+		const hash = createHash('sha256');
 		hash.update(
 			[addons.intro, addons.outro, addons.banner, addons.footer].map(addon => addon || '').join(':')
 		);

src/utils/FileEmitter.ts

@@ -1,9 +1,9 @@
-import sha256 from 'hash.js/lib/hash/sha/256';
 import Chunk from '../Chunk';
 import Graph from '../Graph';
 import Module from '../Module';
 import { FilePlaceholder, OutputBundleWithPlaceholders } from '../rollup/types';
 import { BuildPhase } from './buildPhase';
+import { createHash } from './crypto';
 import {
 	errAssetNotFinalisedForFileName,
 	errAssetReferenceIdNotFoundForSetSource,
@@ -33,7 +33,7 @@ function generateAssetFileName(
 	return makeUnique(
 		renderNamePattern(output.assetFileNames, 'output.assetFileNames', {
 			hash() {
-				const hash = sha256();
+				const hash = createHash('sha256');
 				hash.update(emittedName);
 				hash.update(':');
 				hash.update(source);

src/utils/crypto.ts

@@ -0,0 +1 @@
+export { createHash } from 'crypto';