fix: update build system to use typescript instead of rollup (#238)

Mostly copied from the coffee-lex config. This is necessary to expose types that
decaffeinate can use.

Author: alangpierce

package.json

@@ -1,11 +1,11 @@
 {
   "name": "decaffeinate-parser",
   "description": "A better AST for CoffeeScript, inspired by CoffeeScriptRedux.",
-  "main": "dist/decaffeinate-parser.umd.js",
-  "jsnext:main": "dist/decaffeinate-parser.es6.js",
+  "main": "dist/parser.js",
+  "module": "dist/parser.mjs",
+  "types": "dist/parser.d.ts",
   "scripts": {
-    "prebuild": "rm -rf dist/",
-    "build": "rollup -c",
+    "build": "./script/build",
     "lint": "eslint src test && tslint --config tslint.json --project tsconfig.json --type-check",
     "lint-fix": "eslint src test --fix && tslint --config tslint.json --project tsconfig.json --type-check --fix",
     "pretest": "npm run lint",
@@ -43,13 +43,9 @@
     "babel-plugin-transform-object-rest-spread": "^6.20.1",
     "babel-preset-es2015": "^6.13.0",
     "babel-register": "^6.7.2",
-    "babelrc-rollup": "^3.0.0",
     "coffee-script-redux": "^2.0.0-beta8",
     "eslint": "^4.1.0",
     "mocha": "^3.0.0",
-    "rollup": "^0.42.0",
-    "rollup-plugin-babel": "^2.7.1",
-    "rollup-plugin-typescript": "^0.8.1",
     "semantic-release": "^6.3.2",
     "string-repeat": "^1.1.1",
     "ts-node": "^3.0.6",

rollup.config.js

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -e
+
+DIST="${DIST:-dist}"
+TSC="${TSC:-node_modules/.bin/tsc}"
+
+rm -rf "${DIST}"
+
+echo 'Building ES module version.'
+"${TSC}" \
+  --project . \
+  --outDir "${DIST}" \
+  --module ES2015 \
+  --moduleResolution node
+
+for js in $(find "${DIST}" -name '*.js'); do
+  mv "${js}" "$(dirname "${js}")/$(basename "${js}" .js).mjs"
+done
+
+echo 'Building CommonJS version.'
+"${TSC}" \
+  --project . \
+  --outDir "${DIST}" \
+  --module commonjs \
+  --moduleResolution node
+
+# Restructure.
+rm -rf dist/test
+mv dist/src/* dist/
+rmdir dist/src

script/build

@@ -1,7 +1,7 @@
 import { deepEqual } from 'assert';
-import { join } from 'path';
-import stringify = require('json-stable-stringify');
 import { readdirSync, readFileSync, writeFileSync } from 'fs';
+import * as stringify from 'json-stable-stringify';
+import { join } from 'path';
 import { Node, Program } from '../src/nodes';
 import { parse } from '../src/parser';
 

test/test.ts

@@ -2,14 +2,17 @@
   "compilerOptions": {
     "strictNullChecks": true,
     "module": "commonjs",
-    "typeRoots": ["declarations", "node_modules/@types"],
+    "typeRoots": ["node_modules/@types"],
     "declaration": true,
     "lib": ["es2015"],
     "experimentalDecorators": true,
     "noImplicitAny": true,
     "noUnusedParameters": true,
     "noUnusedLocals": true,
-    "noEmit": true,
     "suppressImplicitAnyIndexErrors": true
-  }
+  },
+  "exclude": [
+    "node_modules",
+    "dist/**/*"
+  ]
 }

tsconfig.json

@@ -201,7 +201,7 @@ babel-code-frame@^6.22.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@6, babel-core@^6.24.1:
+babel-core@^6.24.1:
   version "6.24.1"
   resolved "https://registry.npmjs.org/babel-core/-/babel-core-6.24.1.tgz#8c428564dce1e1f41fb337ec34f4c3b022b5ad83"
   dependencies:
@@ -374,7 +374,7 @@ babel-plugin-transform-es2015-block-scoping@^6.24.1:
     babel-types "^6.24.1"
     lodash "^4.2.0"
 
-babel-plugin-transform-es2015-classes@^6.24.1, babel-plugin-transform-es2015-classes@^6.9.0:
+babel-plugin-transform-es2015-classes@^6.24.1:
   version "6.24.1"
   resolved "https://registry.npmjs.org/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
   dependencies:
@@ -640,12 +640,6 @@ babel@^6.5.2:
   version "6.23.0"
   resolved "https://registry.npmjs.org/babel/-/babel-6.23.0.tgz#d0d1e7d803e974765beea3232d4e153c0efb90f4"
 
-babelrc-rollup@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/babelrc-rollup/-/babelrc-rollup-3.0.0.tgz#fcecdbe3eb6400cf4e769233c1786a2fafe8b56c"
-  dependencies:
-    resolve "^1.1.7"
-
 babylon@^6.11.0, babylon@^6.14.1, babylon@^6.15.0, babylon@^6.17.0:
   version "6.17.1"
   resolved "https://registry.npmjs.org/babylon/-/babylon-6.17.1.tgz#17f14fddf361b695981fe679385e4f1c01ebd86f"
@@ -788,10 +782,6 @@ commander@2.9.0, commander@^2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
-compare-versions@2.0.1:
-  version "2.0.1"
-  resolved "https://registry.npmjs.org/compare-versions/-/compare-versions-2.0.1.tgz#1edc1f93687fd97a325c59f55e45a07db106aca6"
-
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -1081,10 +1071,6 @@ estraverse@~4.1.0:
   version "4.1.1"
   resolved "https://registry.npmjs.org/estraverse/-/estraverse-4.1.1.tgz#f6caca728933a850ef90661d0e17982ba47111a2"
 
-estree-walker@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.npmjs.org/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
-
 esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
@@ -2263,7 +2249,7 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve@^1.1.7, resolve@^1.3.2:
+resolve@^1.3.2:
   version "1.3.3"
   resolved "https://registry.npmjs.org/resolve/-/resolve-1.3.3.tgz#655907c3469a8680dc2de3a275a8fdd69691f0e5"
   dependencies:
@@ -2286,38 +2272,6 @@ rimraf@^2.2.8:
   dependencies:
     glob "^7.0.5"
 
-rollup-plugin-babel@^2.7.1:
-  version "2.7.1"
-  resolved "https://registry.npmjs.org/rollup-plugin-babel/-/rollup-plugin-babel-2.7.1.tgz#16528197b0f938a1536f44683c7a93d573182f57"
-  dependencies:
-    babel-core "6"
-    babel-plugin-transform-es2015-classes "^6.9.0"
-    object-assign "^4.1.0"
-    rollup-pluginutils "^1.5.0"
-
-rollup-plugin-typescript@^0.8.1:
-  version "0.8.1"
-  resolved "https://registry.npmjs.org/rollup-plugin-typescript/-/rollup-plugin-typescript-0.8.1.tgz#2ff7eecc21cf6bb2b43fc27e5b688952ce71924a"
-  dependencies:
-    compare-versions "2.0.1"
-    object-assign "^4.0.1"
-    rollup-pluginutils "^1.3.1"
-    tippex "^2.1.1"
-    typescript "^1.8.9"
-
-rollup-pluginutils@^1.3.1, rollup-pluginutils@^1.5.0:
-  version "1.5.2"
-  resolved "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
-  dependencies:
-    estree-walker "^0.2.1"
-    minimatch "^3.0.2"
-
-rollup@^0.42.0:
-  version "0.42.0"
-  resolved "https://registry.npmjs.org/rollup/-/rollup-0.42.0.tgz#56e791b3a2f3dd7190bbb80a375675f2fe0f9b23"
-  dependencies:
-    source-map-support "^0.4.0"
-
 run-async@^2.2.0:
   version "2.3.0"
   resolved "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
@@ -2566,10 +2520,6 @@ through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
   version "2.3.8"
   resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-tippex@^2.1.1:
-  version "2.3.1"
-  resolved "https://registry.npmjs.org/tippex/-/tippex-2.3.1.tgz#a2fd5b7087d7cbfb20c9806a6c16108c2c0fafda"
-
 tmp@^0.0.31:
   version "0.0.31"
   resolved "https://registry.npmjs.org/tmp/-/tmp-0.0.31.tgz#8f38ab9438e17315e5dbd8b3657e8bfb277ae4a7"
@@ -2685,10 +2635,6 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^1.8.9:
-  version "1.8.10"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-1.8.10.tgz#b475d6e0dff0bf50f296e5ca6ef9fbb5c7320f1e"
-
 typescript@^2.2.1:
   version "2.3.3"
   resolved "https://registry.npmjs.org/typescript/-/typescript-2.3.3.tgz#9639f3c3b40148e8ca97fe08a51dd1891bb6be22"