feat: initial implementation

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 2

.gitignore

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+*~
+Thumbs.db
+node_modules/
+*.log
+*.log*
+*.pid
+*.seed
+lib/
+test/test*.html

.travis.yml

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+sudo: false
+language: node_js
+cache:
+  directories:
+    - node_modules
+node_js:
+  - '0.12'
+  - v4
+  - stable
+after_success:
+  - 'travis-after-all && npm run semantic-release'
+env:
+  global:
+    - secure: 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
+    - secure: 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

package.json

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+{
+  "name": "hbs-cli",
+  "version": "0.0.0-development",
+  "description": "A CLI tool for rendering Handlebars templates",
+  "homepage": "http://github.com/keithamus/hbs-cli/issues",
+  "bugs": "http://github.com/keithamus/hbs-cli/issues",
+  "license": "MIT",
+  "author": "Keith Cirkel (http://keithcirkel.co.uk)",
+  "files": [
+    "lib/*.js"
+  ],
+  "main": "lib/index.js",
+  "bin": {
+    "hbs": "lib/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/keithamus/hbs-cli.git"
+  },
+  "scripts": {
+    "lint": "eslint src test --ignore-path .gitignore",
+    "prepublish": "babel src -d lib",
+    "pretest": "npm run lint",
+    "semantic-release": "semantic-release pre && npm publish && semantic-release post",
+    "test": "npm run test:run:1 && npm run test:verify:1",
+    "test:run:1": "node . -H handlebars-helper-br -D ./test/data.json -o test test/test-1.hbs",
+    "test:verify:1": "diff test/test-1.html test/verify-1.html",
+    "watch": "npm run prepublish -- -w"
+  },
+  "config": {
+    "ghooks": {
+      "commit-msg": "validate-commit-msg",
+      "pre-commit": "npm test"
+    }
+  },
+  "babel": {
+    "compact": false,
+    "ignore": "node_modules",
+    "loose": "all",
+    "optional": "runtime",
+    "retainLines": true,
+    "stage": 2
+  },
+  "eslintConfig": {
+    "extends": "strict",
+    "parser": "babel-eslint",
+    "rules": {
+      "no-console": 0,
+      "no-process-exit": 0
+    }
+  },
+  "dependencies": {
+    "babel-runtime": "^5.8.34",
+    "debug": "^2.2.0",
+    "fs-promise": "^0.3.1",
+    "glob-promise": "^1.0.4",
+    "handlebars": "^4.0.5",
+    "lodash.merge": "^3.3.2",
+    "minimist": "^1.2.0",
+    "resolve": "^1.1.6"
+  },
+  "devDependencies": {
+    "babel": "^5.8.34",
+    "babel-eslint": "^4.1.6",
+    "eslint": "^1.10.3",
+    "eslint-config-strict": "^7.0.4",
+    "eslint-plugin-filenames": "^0.2.0",
+    "ghooks": "^1.0.1",
+    "handlebars-helper-br": "^0.1.0",
+    "semantic-release": "^4.3.5",
+    "travis-after-all": "^1.4.4",
+    "validate-commit-msg": "^1.0.0"
+  }
+}

src/index.js

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+#!/usr/bin/env node
+import { resolve as resolvePath, basename, extname } from 'path';
+import Handlebars from 'handlebars';
+import minimist from 'minimist';
+import glob from 'glob-promise';
+import packageJson from '../package.json';
+import resolveNode from 'resolve';
+import { readFile, writeFile } from 'fs-promise';
+import merge from 'lodash.merge';
+const debug = require('debug')('hbs');
+function resolve(file, options) {
+  return new Promise((resolvePromise, reject) => resolveNode(file, options, (error, path) => {
+    if (error) {
+      reject(error);
+    } else {
+      resolvePromise(path);
+    }
+  }));
+}
+export async function resolveModuleOrGlob(path, cwd = process.cwd()) {
+  try {
+    debug(`Trying to require ${path} as a node_module`);
+    return [ await resolve(path, { basedir: cwd }) ];
+  } catch (error) {
+    debug(`${path} is glob or actual file, expanding...`);
+    return await glob(path, { cwd });
+  }
+}
+
+export async function expandGlobList(globs) {
+  if (typeof globs === 'string') {
+    globs = [ globs ];
+  }
+  if (Array.isArray(globs) === false) {
+    throw new Error(`expandGlobList expects Array or String, given ${typeof globs}`);
+  }
+  return (await Promise.all(
+    globs.map((path) => resolveModuleOrGlob(path))
+  )).reduce((total, current) => total.concat(current), []);
+}
+
+export function addHandlebarsHelpers(files) {
+  files.forEach((file) => {
+    debug(`Requiring ${file}`);
+    const handlebarsHelper = require(file); // eslint-disable-line global-require
+    if (handlebarsHelper && typeof handlebarsHelper.register === 'function') {
+      debug(`${file} has a register function, registering with handlebars`);
+      handlebarsHelper.register(Handlebars);
+    } else {
+      console.log(`WARNING: ${file} does not export a 'register' function, cannot import`);
+    }
+  });
+}
+
+export async function addHandlebarsPartials(files) {
+  await Promise.all(files.map(async function registerPartial(file) {
+    debug(`Registering partial ${file}`);
+    Handlebars.registerPartial(basename(file, extname(file)), await readFile(file, 'utf8'));
+  }));
+}
+
+export async function addObjectsToData(objects) {
+  if (typeof objects === 'string') {
+    objects = [ objects ];
+  }
+  if (Array.isArray(objects) === false) {
+    throw new Error(`addObjectsToData expects Array or String, given ${typeof objects}`);
+  }
+  const dataSets = [];
+  const files = await expandGlobList(objects.filter((object) => {
+    try {
+      debug(`Attempting to parse ${object} as JSON`);
+      dataSets.push(JSON.parse(object));
+      return false;
+    } catch (error) {
+      return true;
+    }
+  }));
+  const fileContents = await Promise.all(
+    files.map(async function registerPartial(file) {
+      debug(`Loading JSON file ${file}`);
+      return JSON.parse(await readFile(file, 'utf8'));
+    })
+  );
+  return merge({}, ...dataSets.concat(fileContents));
+}
+
+export async function renderHandlebarsTemplate(files, outputDirectory = process.cwd(), data = {}) {
+  await Promise.all(files.map(async function renderTemplate(file) {
+    debug(`Rendering template ${file} with data`, data);
+    const path = resolvePath(outputDirectory, `${basename(file, extname(file))}.html`);
+    await writeFile(path, Handlebars.compile(await readFile(file, 'utf8'))(data), 'utf8');
+    debug(`Wrote ${path}`);
+    console.log(`Wrote ${path} from ${file}`);
+  }));
+}
+
+if (require.main === module) {
+  const options = minimist(process.argv.slice(2), {
+    string: [
+      'output',
+      'partial',
+      'helper',
+      'data',
+    ],
+    boolean: [
+      'version',
+      'help',
+    ],
+    alias: {
+      'v': 'version',
+      'h': 'help',
+      'o': 'output',
+      'D': 'data',
+      'P': 'partial',
+      'H': 'helper',
+    },
+  });
+  debug('Parsed argv', options);
+  if (options.version) {
+    console.log(packageJson.version);
+  } else if (options.help || !options._ || !options._.length) {
+    console.log(`
+    Usage:
+      hbs --version
+      hbs --help
+      hbs [-P <partial>]... [-H <helper>]... [-D <data>]... [-o <directory>] [--] (<template...>)
+
+      -h, --help                 output usage information
+      -o, --output <directory>   Directory to output rendered templates, defaults to cwd
+      -P, --partial <glob>...    Register a partial (use as many of these as you want)
+      -H, --helper <glob>...     Register a helper (use as many of these as you want)
+      -D, --data <glob|json>...  Parse some data
+      -v, --version              output the version number
+
+    Examples:
+
+    hbs --helper handlebars-layouts --partial ./templates/layout.hbs -- ./index.hbs
+    hbs --obj ./package.json ./homepage.hbs --output ./site/
+    `);
+  } else {
+    const setup = [];
+    let data = {};
+    if (options.helper) {
+      debug('Setting up helpers', options.helper);
+      setup.push(expandGlobList(options.helper).then(addHandlebarsHelpers));
+    }
+    if (options.partial) {
+      debug('Setting up partials', options.partial);
+      setup.push(expandGlobList(options.partial).then(addHandlebarsPartials));
+    }
+    if (options.data) {
+      debug('Setting up data', options.data);
+      setup.push(addObjectsToData(options.data).then((result) => data = result));
+    }
+    Promise.all(setup)
+      .then(() => expandGlobList(options._))
+      .then((files) => renderHandlebarsTemplate(files, options.output, data))
+      .catch((error) => {
+        console.error(error.stack || error);
+        process.exit(1);
+      });
+  }
+}

test/data.json

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+{
+  "title": "Some Title",
+  "body": "This is the body"
+}

test/test-1.hbs

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+<div class="entry">
+  <h1>{{title}}</h1>
+  <div class="body">
+    {{body}}
+  </div>
+  {{br 2}}
+</div>

test/verify-1.html

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+<div class="entry">
+  <h1>Some Title</h1>
+  <div class="body">
+    This is the body
+  </div>
+  <br><br>
+</div>