issue-#1 - Added util method.

- Added 'position' css generator.

scripts/gen-css/index.js

@@ -10,6 +10,7 @@ const
   {genJustifyContentCss} = require('./justify-content'),
   {genAlignItemsCss} = require('./align-items'),
   {genGridCss} = require('./grid'),
+  {genPositionCss} = require('./position'),
   {genSpacingCss} = require('./spacing');
 
 (async () => Promise.all([
@@ -18,6 +19,7 @@ const
     genDisplayCss(),
     genGridCss(),
     genJustifyContentCss(),
+    genPositionCss(),
     genSpacingCss(),
   ]).catch(console.error)
 )();

scripts/gen-css/position.js

@@ -0,0 +1,35 @@
+/**
+ * position.js
+ *
+ * Generates `position` property classes (`.x-position-absolute` etc.).
+ */
+const fs = require('fs'),
+  path = require('path'),
+  {log, error} = console,
+
+  genPositionCss = () => {
+    const fileName = 'position.css',
+      outputFilePath = path.join(__dirname, `../../src/css/modules/${fileName}`);
+    const out = [
+      'static',
+      'relative',
+      'absolute',
+      'sticky',
+      'fixed',
+    ].map(k => `.x-position-${k} {
+  position: ${k};
+}`);
+
+    const content =
+      `/**
+ * ${fileName}
+ */
+${out.join('\n\n')}\n`;
+    return fs.promises.writeFile(outputFilePath, content)
+      .then(
+        () => log(`file ${fileName} written successfully`),
+        error
+      );
+  };
+
+module.exports = {genPositionCss};

scripts/utils/genCssPropClasses.js

@@ -0,0 +1,34 @@
+/**
+ * justify-content.js
+ *
+ * Generates `justify-content` property classes (`.x-justify-space-between, .x-jc-space-between` etc.).
+ */
+const fs = require('fs'),
+  path = require('path'),
+  {log, error} = console;
+
+/**
+ * Writes property values as css classes, for given `propName` -
+ *  Resulting content is written to given filePath
+ */
+const genCssPropClasses = (propName, values, outputFilePath) => {
+  const out = values.reduce((agg, k) => agg + `.x-${propName}-${k} {
+  ${propName}: ${k};
+}\n`, '');
+  const content =
+    `/**
+ * ${outputFilePath}
+ */
+
+${out.join('\n\n')}\n`
+  ;
+  return fs.promises.writeFile(outputFilePath, content)
+    .then(
+      () => log(`file ${outputFilePath} written successfully`),
+      error
+    );
+};
+
+module.exports = {
+  genCssPropClasses
+}