Moved some utility functions to a separate file

src/pass.js

@@ -1,9 +1,7 @@
 const fs = require("fs");
 const path = require("path");
 const { promisify } = require("util");
-const { EOL } = require("os");
 const stream = require("stream");
-const moment = require("moment");
 const forge = require("node-forge");
 const archiver = require("archiver");
 const debug = require("debug");
@@ -16,6 +14,11 @@ const loadDebug = debug("passkit:load");
 const schema = require("./schema");
 const formatMessage = require("./messages");
 const FieldsArray = require("./fieldsArray");
+const {
+	assignLength, generateStringFile,
+	removeHidden, dateToW3CString,
+	isValidRGB, parsePEM
+} = require("./utils");
 
 const readdir = promisify(fs.readdir);
 const readFile = promisify(fs.readFile);
@@ -766,114 +769,6 @@ function readCertificates(certificates) {
 		});
 }
 
-/**
- * Parses the PEM-formatted passed text (certificates)
- *
- * @function parsePEM
- * @params {String} element - Text content of .pem files
- * @params {String=} passphrase - passphrase for the key
- * @returns {Object} The parsed certificate or key in node forge format
- */
-
-function parsePEM(pemName, element, passphrase) {
-	if (pemName === "signerKey" && passphrase) {
-		return forge.pki.decryptRsaPrivateKey(element, String(passphrase));
-	} else {
-		return forge.pki.certificateFromPem(element);
-	}
-}
-
-/**
- * Checks if an rgb value is compliant with CSS-like syntax
- *
- * @function isValidRGB
- * @params {String} value - string to analyze
- * @returns {Boolean} True if valid rgb, false otherwise
- */
-
-function isValidRGB(value) {
-	if (!value || typeof value !== "string") {
-		return false;
-	}
-
-	const rgb = value.match(/^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
-
-	if (!rgb) {
-		return false;
-	}
-
-	return rgb.slice(1, 4).every(v => Math.abs(Number(v)) <= 255);
-}
-
-/**
- * Converts a date to W3C Standard format
- *
- * @function dateToW3Cstring
- * @params {String} date - The date to be parsed
- * @params {String} [format] - a custom format
- * @returns {String|undefined} The parsed string if the parameter is valid,
- * 	 undefined otherwise
- */
-
-function dateToW3CString(date, format) {
-	if (typeof date !== "string") {
-		return "";
-	}
-
-	const parsedDate = moment(date.replace(/\//g, "-"), format || ["MM-DD-YYYY hh:mm:ss", "DD-MM-YYYY hh:mm:ss"]).format();
-
-	if (parsedDate === "Invalid date") {
-		return undefined;
-	}
-
-	return parsedDate;
-}
-
-/**
- * Apply a filter to arg0 to remove hidden files names (starting with dot)
- *
- * @function removeHidden
- * @params {String[]} from - list of file names
- * @return {String[]}
- */
-
-function removeHidden(from) {
-	return from.filter(e => e.charAt(0) !== ".");
-}
-
-/**
- * Creates a buffer of translations in Apple .strings format
- *
- * @function generateStringFile
- * @params {Object} lang - structure containing related to ISO 3166 alpha-2 code for the language
- * @returns {Buffer} Buffer to be written in pass.strings for language in lang
- * @see https://apple.co/2M9LWVu - String Resources
- */
-
-function generateStringFile(lang) {
-	if (!Object.keys(lang).length) {
-		return Buffer.from("", "utf8");
-	}
-
-	// Pass.strings format is the following one for each row:
-	// "key" = "value";
-
-	const strings = Object.keys(lang)
-		.map(key => `"${key}" = "${lang[key].replace(/"/g, /\\"/)}";`);
-
-	return Buffer.from(strings.join(EOL), "utf8");
-}
-
-/**
- * Creates a new object with custom length property
- * @param {number} value - the length
- * @param {Array<Object<string, any>>} source - the main sources of properties
- */
-
-function assignLength(length, ...sources) {
-	return Object.assign({ length }, ...sources);
-}
-
 /**
  * Automatically generates barcodes for all the types given common info
  *

src/utils.js

@@ -0,0 +1,119 @@
+const moment = require("moment");
+const { EOL } = require("os");
+
+/**
+ * Parses the PEM-formatted passed text (certificates)
+ *
+ * @function parsePEM
+ * @params {String} element - Text content of .pem files
+ * @params {String=} passphrase - passphrase for the key
+ * @returns {Object} The parsed certificate or key in node forge format
+ */
+
+function parsePEM(pemName, element, passphrase) {
+	if (pemName === "signerKey" && passphrase) {
+		return forge.pki.decryptRsaPrivateKey(element, String(passphrase));
+	} else {
+		return forge.pki.certificateFromPem(element);
+	}
+}
+
+/**
+ * Checks if an rgb value is compliant with CSS-like syntax
+ *
+ * @function isValidRGB
+ * @params {String} value - string to analyze
+ * @returns {Boolean} True if valid rgb, false otherwise
+ */
+
+function isValidRGB(value) {
+	if (!value || typeof value !== "string") {
+		return false;
+	}
+
+	const rgb = value.match(/^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
+
+	if (!rgb) {
+		return false;
+	}
+
+	return rgb.slice(1, 4).every(v => Math.abs(Number(v)) <= 255);
+}
+
+/**
+ * Converts a date to W3C Standard format
+ *
+ * @function dateToW3Cstring
+ * @params {String} date - The date to be parsed
+ * @params {String} [format] - a custom format
+ * @returns {String|undefined} The parsed string if the parameter is valid,
+ * 	 undefined otherwise
+ */
+
+function dateToW3CString(date, format) {
+	if (typeof date !== "string") {
+		return "";
+	}
+
+	const parsedDate = moment(date.replace(/\//g, "-"), format || ["MM-DD-YYYY hh:mm:ss", "DD-MM-YYYY hh:mm:ss"]).format();
+
+	if (parsedDate === "Invalid date") {
+		return undefined;
+	}
+
+	return parsedDate;
+}
+
+/**
+ * Apply a filter to arg0 to remove hidden files names (starting with dot)
+ *
+ * @function removeHidden
+ * @params {String[]} from - list of file names
+ * @return {String[]}
+ */
+
+function removeHidden(from) {
+	return from.filter(e => e.charAt(0) !== ".");
+}
+
+/**
+ * Creates a buffer of translations in Apple .strings format
+ *
+ * @function generateStringFile
+ * @params {Object} lang - structure containing related to ISO 3166 alpha-2 code for the language
+ * @returns {Buffer} Buffer to be written in pass.strings for language in lang
+ * @see https://apple.co/2M9LWVu - String Resources
+ */
+
+function generateStringFile(lang) {
+	if (!Object.keys(lang).length) {
+		return Buffer.from("", "utf8");
+	}
+
+	// Pass.strings format is the following one for each row:
+	// "key" = "value";
+
+	const strings = Object.keys(lang)
+		.map(key => `"${key}" = "${lang[key].replace(/"/g, /\\"/)}";`);
+
+	return Buffer.from(strings.join(EOL), "utf8");
+}
+
+/**
+ * Creates a new object with custom length property
+ * @param {number} value - the length
+ * @param {Array<Object<string, any>>} source - the main sources of properties
+ */
+
+function assignLength(length, ...sources) {
+	return Object.assign({ length }, ...sources);
+}
+
+module.exports = {
+	assignLength,
+	generateStringFile,
+	removeHidden,
+	dateToW3CString,
+	isValidRGB,
+	parsePEM
+};