Current Dev State

static/js/ketcher2/node_modules/gulp-hb/src/gulp-hb.js

@@ -0,0 +1,138 @@
+'use strict';
+
+var assign = require('object-assign');
+var columns = require('cli-columns');
+var gutil = require('gulp-util');
+var handlebars = require('handlebars');
+var handlebarsWax = require('handlebars-wax');
+var through = require('through2');
+
+function logKeys(file, pairs) {
+	var buf = [];
+	var options = {
+		width: process.stdout.columns - 12
+	};
+
+	pairs.forEach(function (pair) {
+		var key = pair[0];
+		var value = pair[1] || '';
+
+		if (typeof value !== 'string') {
+			value = columns(Object.keys(value), options);
+		}
+
+		buf.push(gutil.colors.grey('    ' + key + ':'));
+		buf.push(value.replace(/^/gm, '      '));
+	});
+
+	console.log('  ' + gutil.colors.green(file.relative));
+	console.log(buf.join('\n'));
+	console.log();
+}
+
+function gulpHb(options) {
+	var defaults = {
+		debug: 0
+	};
+
+	options = assign(defaults, options);
+
+	var debug = Number(options.debug) || 0;
+
+	// set { debug: 1 } to output gulp-hb info
+	// set { debug: 2 } to output node-glob info
+	options.debug = debug >= 2;
+
+	// Handlebars
+
+	var hb = options.handlebars || gulpHb.handlebars.create();
+	var wax = handlebarsWax(hb, options);
+
+	if (options.partials) {
+		wax.partials(options.partials);
+	}
+
+	if (options.helpers) {
+		wax.helpers(options.helpers);
+	}
+
+	if (options.decorators) {
+		wax.decorators(options.decorators);
+	}
+
+	if (options.data) {
+		wax.data(options.data);
+	}
+
+	// Stream
+
+	var stream = through.obj(function (file, enc, cb) {
+		if (file.isNull()) {
+			cb(null, file);
+			return;
+		}
+
+		if (file.isStream()) {
+			cb(new gutil.PluginError('gulp-hb', 'Streaming not supported.'));
+			return;
+		}
+
+		try {
+			var data = assign({}, file.data);
+			var template = wax.compile(file.contents.toString());
+
+			if (debug) {
+				logKeys(file, [
+					['context', wax.context],
+					['data', data],
+					['decorators', hb.decorators],
+					['helpers', hb.helpers],
+					['partials', hb.partials]
+				]);
+			}
+
+			file.contents = new Buffer(template(data, {
+				data: {
+					file: file
+				}
+			}));
+
+			this.push(file);
+		} catch (err) {
+			this.emit('error', new gutil.PluginError('gulp-hb', err, {
+				file: file,
+				fileName: file.path,
+				showStack: true
+			}));
+		}
+
+		cb();
+	});
+
+	// Proxy
+
+	stream.partials = function () {
+		wax.partials.apply(wax, arguments);
+		return stream;
+	};
+
+	stream.helpers = function () {
+		wax.helpers.apply(wax, arguments);
+		return stream;
+	};
+
+	stream.decorators = function () {
+		wax.decorators.apply(wax, arguments);
+		return stream;
+	};
+
+	stream.data = function () {
+		wax.data.apply(wax, arguments);
+		return stream;
+	};
+
+	return stream;
+}
+
+module.exports = gulpHb;
+module.exports.handlebars = handlebars;