Initial asc browser bundle, see #25

bin/asc.js

@@ -3,28 +3,32 @@ const fs = require("fs");
 const os = require("os");
 
 // Use distribution files if present, otherwise run the sources directly
-const { assemblyscript, isDev } = (function bootstrap() {
+var assemblyscript, isDev;
-  var assemblyscript, isDev;
+try {
+  assemblyscript = require("../dist/assemblyscript.js");
+  isDev = false;
+  try { require("source-map-support").install(); } catch (e) {} // optional
+} catch (e) {
   try {
-    assemblyscript = require("../dist/assemblyscript.js");
-    isDev = false;
-    try { require("source-map-support").install(); } catch (e) {} // optional
-  } catch (e) {
     require("ts-node").register({ project: require("path").join(__dirname, "..", "src") });
     require("../src/glue/js");
     assemblyscript = require("../src");
     isDev = true;
+  } catch (e) {
+    assemblyscript = require("./assemblyscript"); // last resort: browser bundle under node
+    isDev = false;
   }
-  return { assemblyscript, isDev };
+}
-})();
 
 // Common constants
-const VERSION = require("../package.json").version + (isDev ? "-dev" : "");
+
+const VERSION = typeof BUNDLE_VERSION === "string" ? BUNDLE_VERSION : require("../package.json").version + (isDev ? "-dev" : "");
 const OPTIONS = require("./asc.json");
 const SOURCEMAP_ROOT = "assemblyscript:///";
 const LIBRARY_PREFIX = assemblyscript.LIBRARY_PREFIX;
 const DEFAULT_OPTIMIZE_LEVEL = 2;
 const DEFAULT_SHRINK_LEVEL = 1;
+const LIBRARY = typeof BUNDLE_LIBRARY !== "undefined" ? BUNDLE_LIBRARY : {};
 
 exports.VERSION = VERSION;
 
@@ -37,6 +41,18 @@ function main(argv, options, callback) {
 
   const stdout = options.stdout || process.stdout;
   const stderr = options.stderr || process.stderr;
+  const readFile = options.readFile || readFileNode;
+  const writeFile = options.writeFile || writeFileNode;
+  const listFiles = options.listFiles || listFilesNode;
+
+  // All of the above must be specified in browser environments
+  if (!stdout) throw Error("'options.stdout' must be specified");
+  if (!stderr) throw Error("'options.stderr' must be specified");
+  if (!fs.readFileSync) {
+    if (readFile === readFileNode) throw Error("'options.readFile' must be specified");
+    if (writeFile === writeFileNode) throw Error("'options.writeFile' must be specified");
+    if (listFiles === listFilesNode) throw Error("'options.listFiles' must be specified");
+  }
 
   // Record compilation times
   const stats = createStats();
@@ -98,7 +114,8 @@ function main(argv, options, callback) {
   const baseDir = args.baseDir != null ? path.resolve(args.baseDir) : process.cwd();
 
   // Include standard library if --noLib isn't set
-  const libDirs = args.noLib ? [] : [ path.join(__dirname, "..", "std", "assembly") ];
+  const stdLibDir = path.join(__dirname, "..", "std", "assembly");
+  const libDirs = args.noLib ? [] : [ stdLibDir ];
 
   // Include custom library components (with or without stdlib)
   if (args.lib) {
@@ -136,10 +153,14 @@ function main(argv, options, callback) {
       // Load library file if explicitly requested
       if (sourcePath.startsWith(LIBRARY_PREFIX)) {
         for (let i = 0, k = libDirs.length; i < k; ++i) {
-          sourceText = readFile(path.join(libDirs[i], sourcePath.substring(LIBRARY_PREFIX.length) + ".ts"));
+          if (LIBRARY.hasOwnProperty(sourcePath))
-          if (sourceText !== null) {
+            sourceText = LIBRARY[sourcePath];
-            sourcePath += ".ts";
+          else {
-            break;
+            sourceText = readFile(path.join(libDirs[i], sourcePath.substring(LIBRARY_PREFIX.length) + ".ts"));
+            if (sourceText !== null) {
+              sourcePath += ".ts";
+              break;
+            }
           }
         }
 
@@ -149,11 +170,15 @@ function main(argv, options, callback) {
         if (sourceText === null) {
           sourceText = readFile(path.join(baseDir, sourcePath, "index.ts"));
           if (sourceText === null) {
-            for (let i = 0, k =libDirs.length; i < k; ++i) {
+            for (let i = 0, k = libDirs.length; i < k; ++i) {
-              sourceText = readFile(path.join(libDirs[i], sourcePath + ".ts"));
+              if (LIBRARY.hasOwnProperty(LIBRARY_PREFIX + sourcePath))
-              if (sourceText !== null) {
+                sourceText = LIBRARY[LIBRARY_PREFIX + sourcePath];
-                sourcePath = LIBRARY_PREFIX + sourcePath + ".ts";
+              else {
-                break;
+                sourceText = readFile(path.join(libDirs[i], sourcePath + ".ts"));
+                if (sourceText !== null) {
+                  sourcePath = LIBRARY_PREFIX + sourcePath + ".ts";
+                  break;
+                }
               }
             }
             if (sourceText === null)
@@ -171,10 +196,18 @@ function main(argv, options, callback) {
   }
 
   // Include (other) library components
+  var hasBundledLibrary = false;
+  if (!args.noLib)
+    Object.keys(LIBRARY).forEach(libPath => {
+      if (libPath.lastIndexOf("/") >= LIBRARY_PREFIX.length) return;
+      stats.parseCount++;
+      stats.parseTime += measure(() => { parser = assemblyscript.parseFile(LIBRARY[libPath], libPath + ".ts", parser, false); });
+      hasBundledLibrary = true;
+    });
   for (let i = 0, k = libDirs.length; i < k; ++i) {
+    if (i === 0 && hasBundledLibrary) continue;
     let libDir = libDirs[i];
-    let libFiles;
+    let libFiles = listFiles(libDir);
-    stats.readTime += measure(() => { libFiles = require("glob").sync("*.ts", { cwd: libDir }) });
     for (let j = 0, l = libFiles.length; j < l; ++j) {
       let libPath = libFiles[j];
       let libText = readFile(path.join(libDir, libPath));
@@ -383,18 +416,18 @@ function main(argv, options, callback) {
     printStats(stats, stderr);
   return callback(null);
 
-  function readFile(filename) {
+  function readFileNode(filename) {
     try {
       var text;
       stats.readCount++;
-      stats.readTime += measure(() => text = fs.readFileSync(filename, { encoding: "utf8" }));
+      stats.readTime += measure(() => { text = fs.readFileSync(filename, { encoding: "utf8" }); });
       return text;
     } catch (e) {
       return null;
     }
   }
 
-  function writeFile(filename, contents) {
+  function writeFileNode(filename, contents) {
     try {
       stats.writeCount++;
       stats.writeTime += measure(() => fs.writeFileSync(filename, contents, typeof contents === "string" ? { encoding: "utf8" } : undefined));
@@ -404,6 +437,16 @@ function main(argv, options, callback) {
     }
   }
 
+  function listFilesNode(dirname) {
+    var files;
+    try {
+      stats.readTime += measure(() => { files = require("glob").sync("*.ts", { cwd: dirname }) });
+      return files;
+    } catch (e) {
+      return [];
+    }
+  }
+
   function writeStdout(contents) {
     if (!writeStdout.used) {
       stats.writeCount++;
@@ -464,7 +507,8 @@ function createStats() {
   };
 }
 
-exports.createStats = createStats;
+if (!process.hrtime)
+  process.hrtime = require("browser-process-hrtime");
 
 function measure(fn) {
   const start = process.hrtime();
@@ -488,3 +532,24 @@ function printStats(stats, output) {
 }
 
 exports.printStats = printStats;
+
+function createMemoryStream(fn) {
+  var stream = [];
+  stream.write = function(chunk) {
+    if (typeof chunk === "string") {
+      this.push(Buffer.from(chunk, "utf8"));
+    } else {
+      this.push(chunk);
+    }
+    if (fn) fn(chunk);
+  };
+  stream.toBuffer = function() {
+    return Buffer.concat(this);
+  };
+  stream.toString = function() {
+    return this.toBuffer().toString("utf8");
+  };
+  return stream;
+}
+
+exports.createMemoryStream = createMemoryStream;

package-lock.json

@@ -208,6 +208,403 @@
         }
       }
     },
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+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.0.tgz",
+      "integrity": "sha1-rzL3izGm/O8RnIew/Y2XU/A6C7g=",
+      "dev": true,
+      "requires": {
+        "babel-code-frame": "6.26.0",
+        "babel-generator": "6.26.1",
+        "babel-helpers": "6.24.1",
+        "babel-messages": "6.23.0",
+        "babel-register": "6.26.0",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0",
+        "babylon": "6.18.0",
+        "convert-source-map": "1.5.1",
+        "debug": "2.6.9",
+        "json5": "0.5.1",
+        "lodash": "4.17.4",
+        "minimatch": "3.0.4",
+        "path-is-absolute": "1.0.1",
+        "private": "0.1.8",
+        "slash": "1.0.0",
+        "source-map": "0.5.7"
+      }
+    },
+    "babel-generator": {
+      "version": "6.26.1",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
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+        "detect-indent": "4.0.0",
+        "jsesc": "1.3.0",
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+        "source-map": "0.5.7",
+        "trim-right": "1.0.1"
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+    },
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+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-remove-console/-/babel-plugin-transform-remove-console-6.9.0.tgz",
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+      "dev": true
+    },
+    "babel-plugin-transform-remove-debugger": {
+      "version": "6.9.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-remove-debugger/-/babel-plugin-transform-remove-debugger-6.9.0.tgz",
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+      "dev": true
+    },
+    "babel-plugin-transform-remove-undefined": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-remove-undefined/-/babel-plugin-transform-remove-undefined-0.3.0.tgz",
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+      "dev": true,
+      "requires": {
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+      }
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+      "version": "6.9.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-simplify-comparison-operators/-/babel-plugin-transform-simplify-comparison-operators-6.9.0.tgz",
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+      "dev": true
+    },
+    "babel-plugin-transform-undefined-to-void": {
+      "version": "6.9.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-undefined-to-void/-/babel-plugin-transform-undefined-to-void-6.9.0.tgz",
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+      "dev": true
+    },
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+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/babel-preset-minify/-/babel-preset-minify-0.3.0.tgz",
+      "integrity": "sha512-+VV2GWEyak3eDOmzT1DDMuqHrw3VbE9nBNkx2LLVs4pH/Me32ND8DRpVDd8IRvk1xX5p75nygyRPtkMh6GIAbQ==",
+      "dev": true,
+      "requires": {
+        "babel-plugin-minify-builtins": "0.3.0",
+        "babel-plugin-minify-constant-folding": "0.3.0",
+        "babel-plugin-minify-dead-code-elimination": "0.3.0",
+        "babel-plugin-minify-flip-comparisons": "0.3.0",
+        "babel-plugin-minify-guarded-expressions": "0.3.0",
+        "babel-plugin-minify-infinity": "0.3.0",
+        "babel-plugin-minify-mangle-names": "0.3.0",
+        "babel-plugin-minify-numeric-literals": "0.3.0",
+        "babel-plugin-minify-replace": "0.3.0",
+        "babel-plugin-minify-simplify": "0.3.0",
+        "babel-plugin-minify-type-constructors": "0.3.0",
+        "babel-plugin-transform-inline-consecutive-adds": "0.3.0",
+        "babel-plugin-transform-member-expression-literals": "6.9.0",
+        "babel-plugin-transform-merge-sibling-variables": "6.9.0",
+        "babel-plugin-transform-minify-booleans": "6.9.0",
+        "babel-plugin-transform-property-literals": "6.9.0",
+        "babel-plugin-transform-regexp-constructors": "0.3.0",
+        "babel-plugin-transform-remove-console": "6.9.0",
+        "babel-plugin-transform-remove-debugger": "6.9.0",
+        "babel-plugin-transform-remove-undefined": "0.3.0",
+        "babel-plugin-transform-simplify-comparison-operators": "6.9.0",
+        "babel-plugin-transform-undefined-to-void": "6.9.0",
+        "lodash.isplainobject": "4.0.6"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",
+      "integrity": "sha1-btAhFz4vy0htestFxgCahW9kcHE=",
+      "dev": true,
+      "requires": {
+        "babel-core": "6.26.0",
+        "babel-runtime": "6.26.0",
+        "core-js": "2.5.3",
+        "home-or-tmp": "2.0.0",
+        "lodash": "4.17.4",
+        "mkdirp": "0.5.1",
+        "source-map-support": "0.4.18"
+      },
+      "dependencies": {
+        "source-map-support": {
+          "version": "0.4.18",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
+          "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
+          "dev": true,
+          "requires": {
+            "source-map": "0.5.7"
+          }
+        }
+      }
+    },
+    "babel-runtime": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
+      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+      "dev": true,
+      "requires": {
+        "core-js": "2.5.3",
+        "regenerator-runtime": "0.11.1"
+      }
+    },
+    "babel-template": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.26.0.tgz",
+      "integrity": "sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0",
+        "babylon": "6.18.0",
+        "lodash": "4.17.4"
+      }
+    },
+    "babel-traverse": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.26.0.tgz",
+      "integrity": "sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=",
+      "dev": true,
+      "requires": {
+        "babel-code-frame": "6.26.0",
+        "babel-messages": "6.23.0",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "babylon": "6.18.0",
+        "debug": "2.6.9",
+        "globals": "9.18.0",
+        "invariant": "2.2.2",
+        "lodash": "4.17.4"
+      }
+    },
+    "babel-types": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "esutils": "2.0.2",
+        "lodash": "4.17.4",
+        "to-fast-properties": "1.0.3"
+      }
+    },
+    "babylon": {
+      "version": "6.18.0",
+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
+      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+      "dev": true
+    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -291,6 +688,12 @@
       "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
       "dev": true
     },
+    "browser-process-hrtime": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz",
+      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44=",
+      "dev": true
+    },
     "browserify-aes": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.1.1.tgz",
@@ -621,12 +1024,24 @@
       "integrity": "sha1-wguW2MYXdIqvHBYCF2DNJ/y4y3U=",
       "dev": true
     },
+    "convert-source-map": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
+      "integrity": "sha1-uCeAl7m8IpNl3lxiz1/K7YtVmeU=",
+      "dev": true
+    },
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
       "dev": true
     },
+    "core-js": {
+      "version": "2.5.3",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.3.tgz",
+      "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4=",
+      "dev": true
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -754,6 +1169,15 @@
         "minimalistic-assert": "1.0.0"
       }
     },
+    "detect-indent": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",
+      "integrity": "sha1-920GQ1LN9Docts5hnE7jqUdd4gg=",
+      "dev": true,
+      "requires": {
+        "repeating": "2.0.1"
+      }
+    },
     "diff": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.4.0.tgz",
@@ -2042,6 +2466,12 @@
         "is-glob": "2.0.1"
       }
     },
+    "globals": {
+      "version": "9.18.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
+      "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==",
+      "dev": true
+    },
     "graceful-fs": {
       "version": "4.1.11",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz",
@@ -2152,6 +2582,16 @@
         "minimalistic-crypto-utils": "1.0.1"
       }
     },
+    "home-or-tmp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-2.0.0.tgz",
+      "integrity": "sha1-42w/LSyufXRqhX440Y1fMqeILbg=",
+      "dev": true,
+      "requires": {
+        "os-homedir": "1.0.2",
+        "os-tmpdir": "1.0.2"
+      }
+    },
     "homedir-polyfill": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/homedir-polyfill/-/homedir-polyfill-1.0.1.tgz",
@@ -2204,6 +2644,15 @@
       "integrity": "sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ=",
       "dev": true
     },
+    "invariant": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.2.tgz",
+      "integrity": "sha1-nh9WrArNtr8wMwbzOL47IErmA2A=",
+      "dev": true,
+      "requires": {
+        "loose-envify": "1.3.1"
+      }
+    },
     "invert-kv": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
@@ -2320,6 +2769,15 @@
       "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
       "dev": true
     },
+    "is-finite": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
+      "integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=",
+      "dev": true,
+      "requires": {
+        "number-is-nan": "1.0.1"
+      }
+    },
     "is-fullwidth-code-point": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
@@ -2439,6 +2897,12 @@
         "esprima": "4.0.0"
       }
     },
+    "jsesc": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+      "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
+      "dev": true
+    },
     "json-loader": {
       "version": "0.5.7",
       "resolved": "https://registry.npmjs.org/json-loader/-/json-loader-0.5.7.tgz",
@@ -2526,6 +2990,18 @@
       "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=",
       "dev": true
     },
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs=",
+      "dev": true
+    },
+    "lodash.some": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/lodash.some/-/lodash.some-4.6.0.tgz",
+      "integrity": "sha1-G7nzFO9ri63tE7VJFpsqlF62jk0=",
+      "dev": true
+    },
     "long": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
@@ -2538,6 +3014,15 @@
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
       "dev": true
     },
+    "loose-envify": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
+      "integrity": "sha1-0aitM/qc4OcT1l/dCsi3SNR4yEg=",
+      "dev": true,
+      "requires": {
+        "js-tokens": "3.0.2"
+      }
+    },
     "lru-cache": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz",
@@ -2971,6 +3456,12 @@
       "integrity": "sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=",
       "dev": true
     },
+    "os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
+      "dev": true
+    },
     "os-locale": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz",
@@ -2982,6 +3473,12 @@
         "mem": "1.1.0"
       }
     },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
+      "dev": true
+    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
@@ -3123,6 +3620,12 @@
       "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=",
       "dev": true
     },
+    "private": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
+      "integrity": "sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==",
+      "dev": true
+    },
     "process": {
       "version": "0.11.10",
       "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
@@ -3286,6 +3789,12 @@
         "set-immediate-shim": "1.0.1"
       }
     },
+    "regenerator-runtime": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+      "dev": true
+    },
     "regex-cache": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/regex-cache/-/regex-cache-0.4.4.tgz",
@@ -3322,6 +3831,15 @@
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
       "dev": true
     },
+    "repeating": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
+      "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
+      "dev": true,
+      "requires": {
+        "is-finite": "1.0.2"
+      }
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -3450,6 +3968,12 @@
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
       "dev": true
     },
+    "slash": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz",
+      "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=",
+      "dev": true
+    },
     "snapdragon": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.1.tgz",
@@ -3853,6 +4377,12 @@
       "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=",
       "dev": true
     },
+    "to-fast-properties": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "dev": true
+    },
     "to-object-path": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
@@ -3962,6 +4492,12 @@
         }
       }
     },
+    "trim-right": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
+      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
+      "dev": true
+    },
     "ts-loader": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/ts-loader/-/ts-loader-3.5.0.tgz",

package.json

@@ -17,6 +17,8 @@
     "ts-node": "^4.1.0"
   },
   "devDependencies": {
+    "babel-minify-webpack-plugin": "^0.3.0",
+    "browser-process-hrtime": "^0.1.2",
     "chalk": "^2.3.0",
     "diff": "^3.4.0",
     "long": "^4.0.0",

tests/bundled-asc.js

@@ -0,0 +1,31 @@
+var asc = require("../dist/asc.js");
+
+var stdout = asc.createMemoryStream();
+var stderr = asc.createMemoryStream();
+
+process.exitCode = asc.main([
+  "test.ts"
+], {
+  stdout: stdout,
+  stderr: stderr,
+  readFile: function(filename) {
+    console.log("readFile: " + filename);
+    if (filename === "/test.ts") { // sic: browser path
+      return "export function foo(): void {}";
+    }
+    throw Error("File not found: " + filename);
+  },
+  writeFile: function(filename, contents) {
+    console.log("writeFile: " + filename);
+  },
+  listFiles: function(dirname) {
+    console.log("listFiles: " + dirname);
+    return [];
+  }
+});
+
+console.log("stdout >>>");
+console.log(stdout.toString());
+
+console.log("stderr >>>");
+console.error(stderr.toString());

tests/compiler.js

@@ -46,8 +46,9 @@ tests.forEach(filename => {
 
   const basename = filename.replace(/\.ts$/, "");
 
-  const stdout = createMemoryStream();
+  const stdout = asc.createMemoryStream();
-  const stderr = createMemoryStream(true);
+  const stderr = asc.createMemoryStream(chunk => process.stderr.write(chunk.toString().replace(/^(?!$)/mg, "  ")));
+  stderr.isTTY = true;
 
   var failed = false;
 
@@ -135,28 +136,6 @@ tests.forEach(filename => {
   });
 });
 
-function createMemoryStream(print) {
-  var stream = [];
-  if (stream.print = print)
-    stream.isTTY = process.stderr.isTTY;
-  stream.write = function(chunk) {
-    if (typeof chunk === "string") {
-      this.push(Buffer.from(chunk, "utf8"));
-    } else {
-      this.push(chunk);
-    }
-    if (stream.print)
-      process.stderr.write(chunk.toString().replace(/^(?!$)/mg, "  "));
-  };
-  stream.toBuffer = function() {
-    return Buffer.concat(this);
-  };
-  stream.toString = function() {
-    return this.toBuffer().toString("utf8");
-  };
-  return stream;
-}
-
 if (failures) {
   process.exitCode = 1;
   console.log(chalk.red("ERROR: ") + failures + " compiler tests failed");

webpack.config.js

@@ -1,7 +1,9 @@
-var path = require("path");
+const path = require("path");
-var webpack = require("webpack");
+const fs = require("fs");
+const webpack = require("webpack");
 
-module.exports = {
+// Build just the C-like library
+const lib = {
   entry: [ "./src/glue/js.js", "./src/index.ts" ],
   module: {
     rules: [
@@ -12,7 +14,7 @@ module.exports = {
       }
     ]
   },
-  externals: [ "binaryen", "../../lib/binaryen" ],
+  externals: [ "binaryen" ],
   resolve: {
     extensions: [ ".ts", ".js" ]
   },
@@ -31,4 +33,57 @@ module.exports = {
       filename: "assemblyscript.js.map"
     })
   ]
-}
+};
+
+// Build asc for browser usage
+const BabelMinifyPlugin = require("babel-minify-webpack-plugin");
+const bin = {
+  context: path.join(__dirname, "bin"),
+  entry: [ "./asc.js" ],
+  externals: [{
+    "../dist/assemblyscript.js": {
+      commonjs: "assemblyscript",
+      commonjs2: "assemblyscript",
+      amd: "assemblyscript",
+      root: "_"
+    },
+  }, "./assemblyscript", "source-map-support"],
+  node: {
+    "fs": "empty",
+    "global": true,
+    "process": "mock",
+    "crypto": "empty"
+  },
+  output: {
+    filename: "asc.js",
+    path: path.resolve(__dirname, "dist"),
+    library: "asc",
+    libraryTarget: "umd"
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      BUNDLE_VERSION: JSON.stringify(require("./package.json").version),
+      BUNDLE_LIBRARY: (() => {
+        const libDir = path.join(__dirname, "std", "assembly");
+        const libFiles = require("glob").sync("**/*.ts", { cwd: libDir });
+        const lib = {};
+        libFiles.forEach(file => {
+          var source = fs.readFileSync(path.join(libDir, file), { encoding: "utf8" });
+          lib["(lib)/" + file.replace(/\.ts$/, "")] = JSON.stringify(source);
+        });
+        return lib;
+      })(),
+      __dirname: JSON.stringify(".")
+    }),
+    new webpack.IgnorePlugin(/\.\/src|package\.json|^(ts\-node|glob)$/),
+    // Error: original.line and original.column are not numbers -- you probably meant to omit the
+    // original mapping entirely and only map the generated position. If so, pass null for the
+    // original mapping instead of an object with empty or null values.
+    // new BabelMinifyPlugin(/* {}, { sourceMap: true } */),
+    new webpack.SourceMapDevToolPlugin({
+      filename: "asc.js.map"
+    }),
+  ]
+};
+
+module.exports = [ lib, bin ];