Rename scripts folder

docs/_scripts/plugins/02-read-derived-variables.js

@@ -0,0 +1,40 @@
+module.exports = plugin;
+
+const utils = require('./utils');
+const fs = require('fs');
+
+let initial_variables = JSON.parse(fs.readFileSync(utils.files.initial_variables));
+let derived_variables = JSON.parse(fs.readFileSync(utils.files.derived_variables));
+
+function plugin() {
+  return (files, metalsmith, done) => {
+    setImmediate(done);
+
+    Object.keys(files).forEach(file_path => {
+      const {file_name, lines} = utils.getLines(files, file_path);
+      let variables = {
+        by_name: {},
+        list: [],
+        file_path,
+      };
+
+      lines.forEach(line => {
+        const variable = utils.parseLine(line);
+
+        if (variable != false) {
+          const computed_data = utils.getComputedData(variable.name, variable.value, variable.type, initial_variables, derived_variables);
+
+          if (Object.keys(computed_data).length > 0) {
+            variable.computed_type = computed_data.computed_type;
+            variable.computed_value = computed_data.computed_value;
+          }
+
+          variables.by_name[variable.name] = variable;
+          variables.list.push(variable.name);
+        }
+      });
+
+      utils.writeFile(file_path, variables);
+    });
+  };
+}