Barcode Generation

node_modules/jsbarcode/automation/building.js

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+var gulp = require('gulp');
+var header = require('gulp-header');
+var clean = require('gulp-clean');
+var gulpWebpack = require('webpack-stream');
+var webpack = require('webpack');
+var babel = require("gulp-babel");
+var runSequence = require('gulp4-run-sequence');
+var fs = require('fs');
+
+var settings = require('./settings.json');
+var shared = require('./shared.js');
+
+gulp.task("clean", gulp.series(function () {
+	return gulp.src(["bin/", "dist/"], { read: false })
+		.pipe(clean());
+}));
+
+
+gulp.task("babel", gulp.series(function () {
+	return babelFunc();
+}));
+
+
+function babelFunc() {
+	return gulp.src("src/**/*")
+		.pipe(babel({
+			presets: ['es2015', 'stage-3']
+		}))
+		.pipe(gulp.dest("bin/"));
+}
+
+
+gulp.task("webpack", gulp.series(["babel"], function () {
+	return webpackFunc();
+}));
+
+
+function webpackFunc() {
+	return gulp.src('bin/JsBarcode.js')
+		.pipe(gulpWebpack(
+			{
+				mode: "none",
+				output: {
+					filename: 'JsBarcode.all.js'
+				}
+			}
+			, webpack))
+		.pipe(gulp.dest("dist/"));
+}
+
+
+gulp.task("webpack-min", gulp.series(["babel"], function () {
+	return webpackMin('all');
+}));
+
+
+function webpackMin(name, dest) {
+	dest = dest || './';
+	return gulp.src('bin/JsBarcode.js')
+		.pipe(gulpWebpack(
+			{
+				mode: "production",
+				output: {
+					filename: shared.minifiedFilename(name)
+				},
+			}
+			, webpack))
+		.pipe(header(settings.banner, require(settings.baseDir + 'package.json')))
+		.pipe(gulp.dest("dist/" + dest));
+}
+
+
+gulp.task("webpack-all", gulp.series(function (cb) {
+	var barcodes = require('./barcode-building.json');
+
+	// Move the real barcodes/index.js out of the way while compiling the individual barcodes
+	fs.renameSync("src/barcodes/index.js", "src/barcodes/index.tmp.js");
+
+	// Take a barcode from the barcodes array, call the functions to compile that
+	// format and have a callback when it has finished.
+	function loopBarcode(i) {
+		if (i < barcodes.length) {
+			createBarcodeInclude(barcodes[i], function () {
+				loopBarcode(i + 1);
+			});
+		}
+		else {
+			fs.renameSync("src/barcodes/index.tmp.js", "src/barcodes/index.js");
+			cb(); // Done
+		}
+	}
+
+	loopBarcode(0);
+}));
+
+
+// Takes information about a barcode formatSize
+// Modifies the barcodes/index.js file to only import the specified format
+// and then does a recompilation and minifies everything with webpack
+function createBarcodeInclude(barcode, callback) {
+	var toFile = "";
+	toFile += "import {" + barcode.names + "} from '" + barcode.barcodeFile + "'";
+	toFile += "\n";
+	toFile += "export default {" + barcode.names + "}";
+
+	// Write a new barcodes/index file that only includes the specified barcode
+	fs.writeFile("src/barcodes/index.js", toFile, function () {
+		// Remove the compiled barcodes/index file (if it exist)
+		if (fs.existsSync("bin/barcodes/index.js")) {
+			fs.unlinkSync("bin/barcodes/index.js");
+		}
+		// Re-compile with babel and webpack everything
+		babelFunc().on('end', function () {
+			webpackMin(barcode.name, 'barcodes/').on('end', callback);
+		});
+	});
+}
+
+
+gulp.task('compress', gulp.series(function (cb) {
+	runSequence(
+		"clean",
+		"webpack-all",
+		"webpack",
+		"webpack-min",
+		cb
+	);
+}));
+
+gulp.task('compile', gulp.series(['babel']));
+
+gulp.task('compile-web', gulp.series(['webpack']));