08-27-周三_17-09-29

node_modules/gitbook-plugin-styles-less/index.js

@@ -0,0 +1,58 @@
+var Q = require('q');
+var _ = require('lodash');
+var path = require('path');
+var fs = require('fs');
+var less = require('less');
+
+// Compile a less file into a css
+function renderLESS(input, output) {
+    var d = Q.defer();
+    var lessinput = fs.readFileSync(input, {
+        encoding: 'utf-8'
+    });
+
+    less.render(lessinput, {
+        paths: [
+            path.dirname(input)
+        ],
+        filename: path.basename(input),
+        compress: true
+    }, function (e, out) {
+        if (e) return d.reject(e);
+
+        fs.writeFileSync(output, out.css);
+        d.resolve();
+    });
+
+    return d.promise;
+}
+
+module.exports = {
+    hooks: {
+        // Compile less as CSS
+        init: function() {
+            var book = this;
+
+            var styles = book.config.get('styles');
+
+            return _.reduce(styles, function(prev, filename, type) {
+                return prev.then(function() {
+                    if (path.extname(filename).toLowerCase() != '.less') return;
+
+                    book.log.info.ln('compile less file: ', filename);
+
+                    // Temporary CSS file
+                    var tmpfile = type+'-'+Date.now()+'.css';
+
+                    // Replace config
+                    book.config.set('styles.'+type, tmpfile);
+
+                    return renderLESS(
+                        book.resolve(filename),
+                        path.resolve(book.options.output, tmpfile)
+                    );
+                });
+            }, Q());
+        }
+    }
+};