Current Dev State

static/js/ketcher2/node_modules/gulp-autoprefixer/index.js

@@ -0,0 +1,52 @@
+'use strict';
+const gutil = require('gulp-util');
+const through = require('through2');
+const applySourceMap = require('vinyl-sourcemaps-apply');
+const autoprefixer = require('autoprefixer');
+const postcss = require('postcss');
+
+module.exports = opts => {
+	return through.obj((file, enc, cb) => {
+		if (file.isNull()) {
+			cb(null, file);
+			return;
+		}
+
+		if (file.isStream()) {
+			cb(new gutil.PluginError('gulp-autoprefixer', 'Streaming not supported'));
+			return;
+		}
+
+		postcss(autoprefixer(opts)).process(file.contents.toString(), {
+			map: file.sourceMap ? {annotation: false} : false,
+			from: file.path,
+			to: file.path
+		}).then(res => {
+			file.contents = Buffer.from(res.css);
+
+			if (res.map && file.sourceMap) {
+				applySourceMap(file, res.map.toString());
+			}
+
+			const warnings = res.warnings();
+
+			if (warnings.length > 0) {
+				gutil.log('gulp-autoprefixer:', '\n  ' + warnings.join('\n  '));
+			}
+
+			setImmediate(cb, null, file);
+		}).catch(err => {
+			const cssError = err.name === 'CssSyntaxError';
+
+			if (cssError) {
+				err.message += err.showSourceCode();
+			}
+
+			// Prevent stream unhandled exception from being suppressed by Promise
+			setImmediate(cb, new gutil.PluginError('gulp-autoprefixer', err, {
+				fileName: file.path,
+				showStack: !cssError
+			}));
+		});
+	});
+};