Initial commit

Author: drublic

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2

.eslintrc.js

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+{
+  "env": {
+    "browser": true,
+    "es6": true,
+    "node": true
+  },
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "rules": {
+    "indent": [
+      "error",
+      2
+    ],
+    "linebreak-style": [
+      "error",
+      "unix"
+    ],
+    "quotes": [
+      "error",
+      "single"
+    ],
+    "semi": [
+      "error",
+      "always"
+    ]
+  }
+}

index.js

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+/**
+ * Export all helpers
+ * @type {Object}
+ */
+module.exports = {
+  hashString: require('./lib/hashString'),
+  isFile: require('./lib/isFile'),
+  readJsonFile: require('./lib/readJsonFile'),
+  removeFile: require('./lib/removeFile'),
+  writeFile: require('./lib/writeFile')
+};

lib/hashString.js

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+/**
+ * Convert string to 32bit integer
+ * @param  {String} string String that should be hashed
+ * @return {String}        Converted 32bit integer
+ */
+module.exports = (string) => {
+  let hash = 0;
+  let length = string.length;
+  let char;
+
+  if (length === 0) {
+    return hash;
+  }
+
+  for (let i = 0; i < length; i++) {
+    char = string.charCodeAt(i);
+    hash = ((hash << 5) - hash) + char;
+    hash |= 0; // Convert to 32bit integer
+  }
+
+  return hash;
+};

lib/isFile.js

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+/**
+ * Check if a path is a file
+ */
+const fs = require('fs');
+
+/**
+ * Check if a given path is a file
+ * @param  {String}  filePath File path to check
+ * @return {Boolean}
+ */
+module.exports = (filePath) => {
+  if (!fs.existsSync(filePath)) {
+    return false;
+  }
+
+  const stats = fs.lstatSync(filePath);
+
+  if (stats.isFile()) {
+    return true;
+  }
+
+  return false;
+};

lib/readJsonFile.js

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+/**
+ * Read JSON files from filesystem, Promise wrapper
+ */
+const fs = require('fs');
+
+/**
+ * Read the JSON file from the filesystem
+ * @param  {String} filepath Filepath of the JSON file that should be read
+ * @return {Promise} Resolves with parsed JSON of the file
+ */
+module.exports = (filepath) => {
+  return new Promise((resolve, reject) => {
+    return fs.readFile(filepath, 'utf-8', (error, data) => {
+      if (error) {
+        return reject(error);
+      }
+
+      if (!data) {
+        reject(new Error('Empty file'));
+      }
+      else {
+        data = JSON.parse(data);
+      }
+
+      return resolve(data);
+    });
+
+  });
+};

lib/removeFile.js

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+/**
+ * Delete a file from filesystem, Promise wrapper
+ */
+const fs = require('fs');
+
+/**
+ * Delete the file from the filesystem
+ * @param  {String}  name Filepath
+ * @return {Promise}      Resolves when file was deleted
+ */
+module.exports = (name) => {
+  return new Promise((resolve, reject) => {
+    return fs.unlink(name, (error) => {
+      if (error) {
+        return reject(error);
+      }
+
+      return resolve();
+    });
+
+  });
+};

lib/writeFile.js

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+/**
+ * Write files to the filesystem, Promise wrapper
+ */
+const fs = require('fs');
+
+/**
+ * Write the file to the filesystem
+ * @param  {String}  name Filepath to where the file should be written
+ * @param  {String}  data Date that should be written
+ * @return {Promise}      Resolves when file was written
+ */
+module.exports = (name, data) => {
+  return new Promise((resolve, reject) => {
+    return fs.writeFile(name, data, (error) => {
+      if (error) {
+        return reject(error);
+      }
+
+      return resolve();
+    });
+
+  });
+};

package.json

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+{
+  "name": "hapi-init-node-helper",
+  "version": "1.0.0",
+  "description": "Helper library for node applications",
+  "main": "index.js",
+  "repository": "[email protected]:use-init/hapi-init-node-helper.git",
+  "author": "Hans Christian Reinl <[email protected]>",
+  "license": "MIT"
+}