build: add Bazel targets for typescript indexer (#3807)

diff --git a/WORKSPACE b/WORKSPACE
index e8fd803..780ff33 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -54,6 +54,14 @@
     package_lock_json = "//:package-lock.json",
 )
 
+load("@npm//:install_bazel_dependencies.bzl", "install_bazel_dependencies")
+
+install_bazel_dependencies()
+
+load("@npm_bazel_typescript//:index.bzl", "ts_setup_workspace")
+
+ts_setup_workspace()
+
 # This binding is needed for protobuf. See https://github.com/protocolbuffers/protobuf/pull/5811
 bind(
     name = "error_prone_annotations",
diff --git a/kythe/typescript/BUILD b/kythe/typescript/BUILD
new file mode 100644
index 0000000..ee40ddc
--- /dev/null
+++ b/kythe/typescript/BUILD
@@ -0,0 +1,33 @@
+package(default_visibility = ["//kythe:default_visibility"])
+
+load("@npm_bazel_typescript//:index.bzl", "ts_library", "ts_config")
+
+ts_library(
+    name = "indexer",
+    srcs = [
+        "indexer.ts",
+        "utf8.ts",
+    ],
+    tsconfig = ":tsconfig",
+    deps = [
+        "@npm//@types/node",
+        "@npm//typescript",
+    ],
+)
+
+ts_library(
+    name = "test_ts",
+    srcs = ["test.ts"],
+    tsconfig = ":tsconfig",
+    deps = [
+        ":indexer",
+        "@npm//@types/node",
+        "@npm//typescript",
+    ],
+)
+
+ts_config(
+    name = "tsconfig",
+    src = "tsconfig.json",
+    deps = [],
+)
diff --git a/kythe/typescript/indexer.ts b/kythe/typescript/indexer.ts
index 74dc7b9..fdbf95c 100644
--- a/kythe/typescript/indexer.ts
+++ b/kythe/typescript/indexer.ts
@@ -700,7 +700,7 @@
       for (const exp of decl.exportClause.elements) {
         const localSym = this.getSymbolAtLocation(exp.name);
         if (!localSym) {
-          console.error(`TODO: export ${name} has no symbol`);
+          console.error(`TODO: export ${exp.name} has no symbol`);
           continue;
         }
         // TODO: import a type, not just a value.
diff --git a/kythe/typescript/tsconfig.json b/kythe/typescript/tsconfig.json
index 1d40058..03e6149 100644
--- a/kythe/typescript/tsconfig.json
+++ b/kythe/typescript/tsconfig.json
@@ -3,6 +3,7 @@
         "module": "commonjs",
         "target": "es6",
         "strict": true,
+        "lib": ["es6"],
         "sourceMap": true
     },
     "include": [
diff --git a/package-lock.json b/package-lock.json
index 536428e..dfbedfb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,6 +2,36 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
+    "@bazel/typescript": {
+      "version": "0.31.1",
+      "resolved": "https://registry.npmjs.org/@bazel/typescript/-/typescript-0.31.1.tgz",
+      "integrity": "sha512-jUTJjwdc4JSDMt4kIj74gGtctu8xe0YZPJuPxOIS4TdrWcn+dG9Fy7Z8bJLXhePheig1JLY7NBP6BGwrtggzPQ==",
+      "dev": true,
+      "requires": {
+        "protobufjs": "6.8.8",
+        "semver": "5.6.0",
+        "source-map-support": "0.5.9",
+        "tsutils": "2.27.2"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "source-map-support": {
+          "version": "0.5.9",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.9.tgz",
+          "integrity": "sha512-gR6Rw4MvUlYy83vP0vxoVNzM6t8MUXqNuRsuBmBHQDu1Fh6X015FrLdgoDKcNdkwGubozq0P4N0Q37UyFVr1EA==",
+          "dev": true,
+          "requires": {
+            "buffer-from": "^1.0.0",
+            "source-map": "^0.6.0"
+          }
+        }
+      }
+    },
     "@commitlint/cli": {
       "version": "7.2.1",
       "resolved": "https://registry.npmjs.org/@commitlint/cli/-/cli-7.2.1.tgz",
@@ -179,6 +209,82 @@
         "rimraf": "^2.5.2"
       }
     },
+    "@protobufjs/aspromise": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78=",
+      "dev": true
+    },
+    "@protobufjs/base64": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz",
+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==",
+      "dev": true
+    },
+    "@protobufjs/codegen": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==",
+      "dev": true
+    },
+    "@protobufjs/eventemitter": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
+      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A=",
+      "dev": true
+    },
+    "@protobufjs/fetch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz",
+      "integrity": "sha1-upn7WYYUr2VwDBYZ/wbUVLDYTEU=",
+      "dev": true,
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.1",
+        "@protobufjs/inquire": "^1.1.0"
+      }
+    },
+    "@protobufjs/float": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E=",
+      "dev": true
+    },
+    "@protobufjs/inquire": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik=",
+      "dev": true
+    },
+    "@protobufjs/path": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0=",
+      "dev": true
+    },
+    "@protobufjs/pool": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
+      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q=",
+      "dev": true
+    },
+    "@protobufjs/utf8": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
+      "dev": true
+    },
+    "@types/long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-1w52Nyx4Gq47uuu0EVcsHBxZFJgurQ+rTKS3qMHxR1GY2T8c2AJYd6vZoZ9q1rupaDjU0yT+Jc2XTyXkjeMA+Q==",
+      "dev": true
+    },
+    "@types/node": {
+      "version": "7.10.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.10.6.tgz",
+      "integrity": "sha512-d0BOAicT0tEdbdVQlLGOVul1kvg6YvbaADRCThGCz5NJ0e9r00SofcR1x69hmlCyrHuB6jd4cKzL9bMLjPnpAA==",
+      "dev": true
+    },
     "JSONStream": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
@@ -270,10 +376,10 @@
         "concat-map": "0.0.1"
       }
     },
-    "builtin-modules": {
+    "buffer-from": {
       "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
       "dev": true
     },
     "caller-path": {
@@ -310,7 +416,7 @@
     },
     "chalk": {
       "version": "2.3.1",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-2.3.1.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.1.tgz",
       "integrity": "sha512-QUU4ofkDoMIVO7hcx1iPTISs88wsO8jA92RQIm4JAwZvFGGAV2hSAA1NX7oVj2Ej2Q6NDTcRDjPTFrMCRZoJ6g==",
       "dev": true,
       "requires": {
@@ -352,7 +458,7 @@
     },
     "conventional-changelog-angular": {
       "version": "1.6.6",
-      "resolved": "http://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-1.6.6.tgz",
+      "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-1.6.6.tgz",
       "integrity": "sha512-suQnFSqCxRwyBxY68pYTsFkG0taIdinHLNEAX5ivtw8bCRnIgnpvcHmlR/yjUyZIrNPYAoXlY1WiEKWgSE4BNg==",
       "dev": true,
       "requires": {
@@ -362,7 +468,7 @@
     },
     "conventional-commits-parser": {
       "version": "2.1.7",
-      "resolved": "http://registry.npmjs.org/conventional-commits-parser/-/conventional-commits-parser-2.1.7.tgz",
+      "resolved": "https://registry.npmjs.org/conventional-commits-parser/-/conventional-commits-parser-2.1.7.tgz",
       "integrity": "sha512-BoMaddIEJ6B4QVMSDu9IkVImlGOSGA1I2BQyOZHeLQ6qVOJLcLKn97+fL6dGbzWEiqDzfH4OkcveULmeq2MHFQ==",
       "dev": true,
       "requires": {
@@ -395,9 +501,9 @@
       }
     },
     "core-js": {
-      "version": "2.5.7",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
-      "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
+      "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==",
       "dev": true
     },
     "core-util-is": {
@@ -513,7 +619,7 @@
     },
     "git-raw-commits": {
       "version": "1.3.6",
-      "resolved": "http://registry.npmjs.org/git-raw-commits/-/git-raw-commits-1.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/git-raw-commits/-/git-raw-commits-1.3.6.tgz",
       "integrity": "sha512-svsK26tQ8vEKnMshTDatSIQSMDdz8CxIIqKsvPqbtV23Etmw6VNaFAitu8zwZ0VrOne7FztwPyRLxK7/DIUTQg==",
       "dev": true,
       "requires": {
@@ -618,15 +724,6 @@
       "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
       "dev": true
     },
-    "is-builtin-module": {
-      "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
-      "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
-      "dev": true,
-      "requires": {
-        "builtin-modules": "^1.0.0"
-      }
-    },
     "is-directory": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/is-directory/-/is-directory-0.3.1.tgz",
@@ -635,7 +732,7 @@
     },
     "is-obj": {
       "version": "1.0.1",
-      "resolved": "http://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
       "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8=",
       "dev": true
     },
@@ -795,6 +892,12 @@
       "integrity": "sha1-E2Xt9DFIBIHvDRxolXpe2Z1J984=",
       "dev": true
     },
+    "long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
+      "dev": true
+    },
     "loud-rejection": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/loud-rejection/-/loud-rejection-1.6.0.tgz",
@@ -839,7 +942,7 @@
     },
     "minimist": {
       "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
       "dev": true
     },
@@ -855,7 +958,7 @@
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "dev": true,
       "requires": {
@@ -864,20 +967,20 @@
       "dependencies": {
         "minimist": {
           "version": "0.0.8",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
           "dev": true
         }
       }
     },
     "normalize-package-data": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
-      "integrity": "sha512-9jjUFbTPfEy3R/ad/2oNbKtW9Hgovl5O1FvFWKkKblNXoN/Oou6+9+KKohPK13Yc3/TyunyWhJp6gvRNR/PPAw==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
+      "integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
       "dev": true,
       "requires": {
         "hosted-git-info": "^2.1.4",
-        "is-builtin-module": "^1.0.0",
+        "resolve": "^1.10.0",
         "semver": "2 || 3 || 4 || 5",
         "validate-npm-package-license": "^3.0.1"
       }
@@ -939,10 +1042,16 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
+    "path-parse": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+      "dev": true
+    },
     "path-type": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
@@ -964,6 +1073,35 @@
       "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
       "dev": true
     },
+    "protobufjs": {
+      "version": "6.8.8",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.8.8.tgz",
+      "integrity": "sha512-AAmHtD5pXgZfi7GMpllpO3q1Xw1OYldr+dMUlAnffGTAhqkg72WdmSY71uKBF/JuyiKs8psYbtKrhi0ASCD8qw==",
+      "dev": true,
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.2",
+        "@protobufjs/base64": "^1.1.2",
+        "@protobufjs/codegen": "^2.0.4",
+        "@protobufjs/eventemitter": "^1.1.0",
+        "@protobufjs/fetch": "^1.1.0",
+        "@protobufjs/float": "^1.0.2",
+        "@protobufjs/inquire": "^1.1.0",
+        "@protobufjs/path": "^1.1.2",
+        "@protobufjs/pool": "^1.1.0",
+        "@protobufjs/utf8": "^1.1.0",
+        "@types/long": "^4.0.0",
+        "@types/node": "^10.1.0",
+        "long": "^4.0.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "10.14.8",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.8.tgz",
+          "integrity": "sha512-I4+DbJEhLEg4/vIy/2gkWDvXBOOtPKV9EnLhYjMoqxcRW+TTZtUftkHktz/a8suoD5mUL7m6ReLrkPvSsCQQmw==",
+          "dev": true
+        }
+      }
+    },
     "q": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
@@ -999,7 +1137,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
       "requires": {
@@ -1036,7 +1174,7 @@
     },
     "require-uncached": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
       "integrity": "sha1-Tg1W1slmL9MeQwEcS5WqSZVUIdM=",
       "dev": true,
       "requires": {
@@ -1052,6 +1190,15 @@
         }
       }
     },
+    "resolve": {
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.1.tgz",
+      "integrity": "sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==",
+      "dev": true,
+      "requires": {
+        "path-parse": "^1.0.6"
+      }
+    },
     "resolve-from": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -1068,12 +1215,12 @@
       }
     },
     "rimraf": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+      "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
       "dev": true,
       "requires": {
-        "glob": "^7.0.5"
+        "glob": "^7.1.3"
       }
     },
     "safe-buffer": {
@@ -1095,9 +1242,9 @@
       "dev": true
     },
     "spdx-correct": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.2.tgz",
-      "integrity": "sha512-q9hedtzyXHr5S0A1vEPoK/7l8NpfkFYTq6iCY+Pno2ZbdZR6WexZFtqeVGkGxW3TEJMN914Z55EnAGMmenlIQQ==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
+      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
       "dev": true,
       "requires": {
         "spdx-expression-parse": "^3.0.0",
@@ -1121,9 +1268,9 @@
       }
     },
     "spdx-license-ids": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.2.tgz",
-      "integrity": "sha512-qky9CVt0lVIECkEsYbNILVnPvycuEBkXoMFLRWsREkomQLevYhtRKC+R91a5TOAQ3bCMjikRwhyaRqj1VYatYg==",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
+      "integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA==",
       "dev": true
     },
     "split2": {
@@ -1179,7 +1326,7 @@
     },
     "through": {
       "version": "2.3.8",
-      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
@@ -1205,6 +1352,26 @@
       "integrity": "sha1-n5up2e+odkw4dpi8v+sshI8RrbM=",
       "dev": true
     },
+    "tslib": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
+      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
+      "dev": true
+    },
+    "tsutils": {
+      "version": "2.27.2",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.27.2.tgz",
+      "integrity": "sha512-qf6rmT84TFMuxAKez2pIfR8UCai49iQsfB7YWVjV1bKpy/d0PWT5rEOSM6La9PiHZ0k1RRZQiwVdVJfQ3BPHgg==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.8.1"
+      }
+    },
+    "typescript": {
+      "version": "3.3.4000",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.3.4000.tgz",
+      "integrity": "sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA=="
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/package.json b/package.json
index 83819cc..340c7ae 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,12 @@
 {
   "devDependencies": {
+    "@bazel/typescript": "^0.31.1",
     "@commitlint/cli": "^7.2.1",
-    "@commitlint/config-conventional": "^7.1.2"
+    "@commitlint/config-conventional": "^7.1.2",
+    "@types/node": "^7.0.4"
+  },
+  "dependencies": {
+    "typescript": "~3.3.3"
   },
   "license": "Apache-2.0"
 }