cssSplitter.js
be1676e01598SLSP_sprint_3

cssSplitter.js
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			'use strict';
			var through = require('through2');
			var applySourceMap = require('vinyl-sourcemaps-apply');
			let findIndex = require('lodash/findIndex');


			module.exports = function(options) {

			function transform(file, encoding, callback) {
			options = options \|\| {};
			// generate source maps if plugin source-map present
			if (file.sourceMap) {
			options.makeSourceMaps = true;
			}

			// do normal plugin logic
			var result = myTransform(file.contents, options);
			file.contents = new Buffer(result.code);

			// apply source map to the chain
			// if (file.sourceMap) {
			// applySourceMap(file, result.map);
			// }

			this.push(file);
			callback();
			}

			return through.obj(transform);
			};

			function myTransform(contents, options) {
			let stringArr = contents.toString('utf8').split("\n");
			let ind1 = findIndex(stringArr,(e) => e.includes('/* primary color hook */'));
			let ind2 = findIndex(stringArr,(e) => e.includes('/* primary color hook end*/'));
			let colors = stringArr.splice(ind1, ind2 - ind1 + 1);
			let newContent;
			if(options.colors) {
			newContent = colors.join("\n");
			}
			else {
			newContent = stringArr.join("\n");

			}
			return {
			code: newContent
			};

			}