refactor(*): move helper fucntions from core and preset-html5 to separate package — plugin-helper

packages/bbob-plugin-helper/lib/TagNode.js

@@ -0,0 +1,39 @@
+const {
+  getChar, OPEN_BRAKET, CLOSE_BRAKET, SLASH,
+} = require('./char');
+const { getNodeLength, appendToNode } = require('./index');
+
+class TagNode {
+  constructor(tag, attrs, content) {
+    this.tag = tag;
+    this.attrs = attrs;
+    this.content = content;
+  }
+
+  attr(name, value) {
+    if (typeof value !== 'undefined') {
+      this.attrs[name] = value;
+    }
+
+    return this.attrs[name];
+  }
+
+  append(value) {
+    return appendToNode(this, value);
+  }
+
+  get length() {
+    return getNodeLength(this);
+  }
+
+  toString() {
+    const OB = getChar(OPEN_BRAKET);
+    const CB = getChar(CLOSE_BRAKET);
+
+    return OB + this.tag + CB + this.content.reduce((r, node) => r + node.toString(), '') + OB + getChar(SLASH) + this.tag + CB;
+  }
+}
+
+module.exports = TagNode;
+module.exports.create = (tag, attrs = {}, content = []) => new TagNode(tag, attrs, content);
+module.exports.isOf = (node, type) => (node.tag === type);

packages/bbob-plugin-helper/lib/char.js

@@ -0,0 +1,36 @@
+const N = '\n'.charCodeAt(0);
+const TAB = '\t'.charCodeAt(0);
+const F = '\f'.charCodeAt(0);
+const R = '\r'.charCodeAt(0);
+
+const EQ = '='.charCodeAt(0);
+const QUOTEMARK = '"'.charCodeAt(0);
+const SPACE = ' '.charCodeAt(0);
+
+const OPEN_BRAKET = '['.charCodeAt(0);
+const CLOSE_BRAKET = ']'.charCodeAt(0);
+
+const SLASH = '/'.charCodeAt(0);
+const BACKSLASH = '\\'.charCodeAt(0);
+
+const PLACEHOLDER_SPACE_TAB = '    ';
+const PLACEHOLDER_SPACE = ' ';
+
+const getChar = String.fromCharCode;
+
+module.exports = {
+  getChar,
+  N,
+  F,
+  R,
+  TAB,
+  EQ,
+  QUOTEMARK,
+  SPACE,
+  OPEN_BRAKET,
+  CLOSE_BRAKET,
+  SLASH,
+  PLACEHOLDER_SPACE_TAB,
+  PLACEHOLDER_SPACE,
+  BACKSLASH,
+};

packages/bbob-plugin-helper/lib/index.js

@@ -0,0 +1,29 @@
+const { getChar, N } = require('./char');
+
+const isTagNode = el => typeof el === 'object' && el.tag;
+const isStringNode = el => typeof el === 'string';
+
+const EOL = getChar(N);
+const isEOL = el => el === EOL;
+
+const getNodeLength = (node) => {
+  if (isTagNode(node)) {
+    return node.content.reduce((count, contentNode) => count + getNodeLength(contentNode), 0);
+  } else if (isStringNode(node)) {
+    return node.length;
+  }
+
+  return 0;
+};
+
+const appendToNode = (node, value) => {
+  node.content.push(value);
+};
+
+module.exports = {
+  appendToNode,
+  getNodeLength,
+  isTagNode,
+  isStringNode,
+  isEOL,
+};

packages/bbob-plugin-helper/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@bbob/plugin-helper",
+  "version": "1.0.0",
+  "description": "Set of utils to help write plugins",
+  "main": "lib/index.js",
+  "directories": {
+    "lib": "lib"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/JiLiZART/bbob.git"
+  },
+  "keywords": [
+    "bbob",
+    "plugin",
+    "helper"
+  ],
+  "bugs": {
+    "url": "https://github.com/JiLiZART/bbob/issues"
+  },
+  "homepage": "https://github.com/JiLiZART/bbob#readme",
+  "scripts": {
+    "test": "../../node_modules/.bin/jest --",
+    "cover": "../../node_modules/.bin/jest --coverage",
+    "lint": "../../node_modules/.bin/eslint ."
+  },
+  "author": "Nikolay Kostyurin <jilizart@gmail.com>",
+  "license": "MIT",
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org/"
+  }
+}

packages/bbob-plugin-helper/test/index.test.js

@@ -0,0 +1,6 @@
+
+describe('@bbob/plugin-helper', () => {
+  test('one', () => {
+    expect(1 + 2).toBe(3)
+  })
+});