Set up Grunt

Fixing up Grunt file to watch for directories Exclude node modules folder from Jekyll built site
2026-09-16 01:10:41 -07:00 · 2015-07-25 13:48:45 -04:00
parent ae3d14bef5
commit 82249c99b3
2143 changed files with 389848 additions and 26 deletions
@@ -0,0 +1,96 @@
+'use strict';
+
+var path = require('path');
+var postcss = require('postcss');
+var diff = require('diff');
+var chalk = require('chalk');
+
+module.exports = function(grunt) {
+
+    var options;
+    var processor;
+
+    /**
+     * Returns an input map contents if a custom map path was specified
+     * @param {string} from Input CSS path
+     * @returns {?string}
+     */
+    function getPrevMap(from) {
+        if (typeof options.map.prev === 'string') {
+            var mapPath = options.map.prev + path.basename(from) + '.map';
+
+            if (grunt.file.exists(mapPath)) {
+                return grunt.file.read(mapPath);
+            }
+        }
+    }
+
+    /**
+     * @param {string} input Input CSS contents
+     * @param {string} from Input CSS path
+     * @param {string} to Output CSS path
+     * @returns {{css: string, map: ?string}}
+     */
+    function process(input, from, to) {
+        return processor.process(input, {
+            map: (typeof options.map === 'boolean') ? options.map : {
+                prev: getPrevMap(from),
+                inline: (typeof options.map.inline === 'boolean') ? options.map.inline : true,
+                annotation: (typeof options.map.annotation === 'boolean') ? options.map.annotation : true,
+                sourcesContent: (typeof options.map.sourcesContent === 'boolean') ? options.map.sourcesContent : true
+            },
+            from: from,
+            to: to
+        });
+    }
+
+    /**
+     * @param {string} msg Log message
+     */
+    function log(msg) {
+        if (!options.silent) {
+            grunt.log.writeln(msg);
+        }
+    }
+
+    grunt.registerMultiTask('postcss', 'Process CSS files.', function() {
+        processor = postcss();
+
+        options = this.options({
+            diff: false,
+            map: false,
+            processors: [],
+            silent: false
+        });
+
+        options.processors.forEach(processor.use.bind(processor));
+
+        this.files.forEach(function(f) {
+            if (!f.src.length) {
+                return grunt.fail.warn('No source files were found.');
+            }
+
+            f.src
+                .forEach(function(filepath) {
+                    var dest = f.dest || filepath;
+                    var input = grunt.file.read(filepath);
+                    var output = process(input, filepath, dest);
+
+                    grunt.file.write(dest, output.css);
+                    log('File ' + chalk.cyan(dest) + ' created.');
+
+                    if (output.map) {
+                        grunt.file.write(dest + '.map', output.map.toString());
+                        log('File ' + chalk.cyan(dest + '.map') + ' created (source map).');
+                    }
+
+                    if (options.diff) {
+                        var diffPath = (typeof options.diff === 'string') ? options.diff : dest + '.diff';
+
+                        grunt.file.write(diffPath, diff.createPatch(dest, input, output.css));
+                        log('File ' + chalk.cyan(diffPath) + ' created (diff).');
+                    }
+                });
+        });
+    });
+};