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‎.travis.yml‎

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dist: trusty
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sudo: required
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language: node_js
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env:
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- V=HEAD URL=http://ci.bazel.io/job/Bazel/JAVA_VERSION=1.8,PLATFORM_NAME=linux-x86_64/lastSuccessfulBuild/artifact/output/ci/bazel--installer.sh FLAGS='--worker_verbose --strategy=Javac=worker --strategy=JsChecker=worker'
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- V=0.3.1 URL=https://github.com/bazelbuild/bazel/releases/download/0.3.1/bazel-0.3.1-installer-linux-x86_64.sh FLAGS=''
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- V=0.3.0 URL=https://github.com/bazelbuild/bazel/releases/download/0.3.0/bazel-0.3.0-installer-linux-x86_64.sh FLAGS=''
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before_install:
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- wget -O install.sh $URL
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- chmod +x install.sh
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- ./install.sh --user
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- rm -f install.sh
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script:
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- |
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bazel \
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--output_base=$HOME/.cache/bazel \
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--batch \
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--host_jvm_args=-Xmx500m \
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--host_jvm_args=-Xms500m \
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build \
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--verbose_failures \
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--sandbox_debug \
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--spawn_strategy=standalone \
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--genrule_strategy=standalone \
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--local_resources=400,1,1.0 \
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//examples/... \
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$FLAGS
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notifications:
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email: false

‎LICENSE‎

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Copyright 2016 PubRef.org
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Licensed under the Apache License, Version 2.0 (the "License"); you
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may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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implied. See the License for the specific language governing
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permissions and limitations under the License.

‎README.md‎

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# `rules_node` [![Build Status](https://travis-ci.org/pubref/rules_node.svg?branch=master)](https://travis-ci.org/pubref/rules_node)
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# Installation
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load `rules_node` in your `WORKSPACE` and load main repository
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dependencies:
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```python
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git_repository(
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name = "org_pubref_rules_node",
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tag = "v0.1.0",
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remote = "https://github.com/pubref/rules_node.git",
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)
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load("@org_pubref_rules_node//node:rules.bzl", "node_repositories")
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node_repositories() # installs node toolchain incl. 'node' and 'npm'
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```
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# Rules
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| Rule | Description |
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| :--- | ---: | :---------- |
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| [node_repositories](#node_repositories) | Install node toolchain. |
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| [npm_library](#npm_library) | Declare an npm dependency. |
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| [node_binary](#node_binary) | Build or execute a nodejs script. |
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# Example
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```python
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load("@org_pubref_rules_node//node:rules.bzl", "node_binary", "npm_library")
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npm_library(
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name = "glob",
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)
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npm_library(
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name = "react-stack",
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deps = {
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"react": "15.3.2",
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"react-dom": "15.3.2",
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},
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)
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node_binary(
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name = "foo",
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main_script = "foo.js",
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npm_deps = ["glob", "react-stack"],
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)
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```
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## node_\repositories
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WORKSPACE rule. No current options.
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## npm_\library
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BUILD rule. Declares a set of npm dependencies. Functionally
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equivalent to `npm install --global` (global being relative to the npm
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toolchain installed in your WORKSPACE.
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Takes two forms:
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1. **Single import**: uses the name of the rule (see `glob` above).
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1. **Multiple import**: uses a string_dict declaring the
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`name@version` dependency. (see `react-stack` above).
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## node_\binary
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BUILD rule. Create an executable script that will run the file named
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in the `main_script` attribute.

‎WORKSPACE‎

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workspace(name = "org_pubref_rules_node")
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load("//node:rules.bzl", "node_repositories", "npm_repository")
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node_repositories()

‎examples/BUILD‎

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load("//node:rules.bzl", "node_binary", "npm_library")
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npm_library(
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name = "glob",
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)
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npm_library(
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name = "react-stack",
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deps = {
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"react": "15.3.2",
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"react-dom": "15.3.2",
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},
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)
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node_binary(
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name = "foo",
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main_script = "foo.js",
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npm_deps = ["glob", "react-stack"],
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)

‎examples/bar.js‎

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module.exports = function() {
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return "Bar!";
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};

‎examples/foo.js‎

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var process = require("process");
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var bar = require("./bar.js");
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var glob = require("glob");
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console.log('Hello, ' + bar());
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console.log("filename:", __filename);
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console.log("dirname:", __dirname);
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console.log("process.versions:", process.versions);
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console.log("process.argv ", process.argv);
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console.log("require paths:", module.paths);
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console.log("env:", process.env);

‎node/BUILD‎

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package(default_visibility = ["//visibility:public"])

‎node/internal/node_binary.bzl‎

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_js_filetype = FileType([".js"])
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SCRIPT_TEMPLATE = """
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#!/usr/bin/env bash
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set -e
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export NODE_PATH={node_paths}
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"{node_bin}" "{script_path}" $@
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"""
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def _get_global_node_modules_dir(ctx):
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node_bin = str(ctx.file.node_tool)
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node_parts = node_bin.partition("[source]]")
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node_prefix = node_parts[0][len("Artifact:["):]
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node_suffix_parts = node_parts[2].split("/")
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node_lib = "/".join([node_prefix] + node_suffix_parts[0:-2] + ["lib", "node_modules"])
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return node_lib
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def node_binary_impl(ctx):
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inputs = []
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node_paths = [_get_global_node_modules_dir(ctx)]
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for dep in ctx.attr.npm_deps:
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lib = dep.npm_library
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inputs.append(lib.package_marker)
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script = SCRIPT_TEMPLATE.format(
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node_bin = ctx.file.node_tool.short_path,
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script_path = ctx.file.main_script.short_path,
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node_paths = ":".join(node_paths),
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)
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ctx.file_action(
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output = ctx.outputs.executable,
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content = script,
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executable = True,
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)
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runfiles = [ctx.file.node_tool, ctx.file.main_script] + inputs
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return struct(
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runfiles = ctx.runfiles(
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files = runfiles,
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),
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)
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node_binary = rule(
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node_binary_impl,
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attrs = {
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"main_script": attr.label(
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single_file = True,
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allow_files = _js_filetype,
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),
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"node_tool": attr.label(
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default = Label("//node/toolchain:node_tool"),
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single_file = True,
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allow_files = True,
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executable = True,
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cfg = "host",
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),
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# "deps": attr.label_list(
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# providers = ["node_library"],
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# ),
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"npm_deps": attr.label_list(
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providers = ["npm_library"],
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),
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},
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executable = True,
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)

‎node/internal/node_repositories.bzl‎

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load("//node:internal/node_repository.bzl", "node_repository")
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def node_repositories():
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node_repository(
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name = "nodejs_linux_amd64",
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version = "v6.6.0",
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arch = "linux-x64",
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sha256 = "",
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type = "tar.gz",
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)
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node_repository(
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name = "nodejs_darwin_amd64",
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version = "v6.6.0",
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arch = "darwin-x64",
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sha256 = "c8d1fe38eb794ca46aacf6c8e90676eec7a8aeec83b4b09f57ce503509e7a19f",
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type = "tar.gz",
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)

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