Initial commit

.editorconfig

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+# editorconfig.org
+root = true
+
+[*]
+indent_size = 2
+indent_style = space
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

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+.DS_Store
+node_modules/
+.vscode/
+npm-debug.log
+.idea/
+coverage/
+report.html
+.vs/

CHANGELOG.md

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+# Change Log

README.md

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+# @rabota/analytics-layer
+[![npm](https://img.shields.io/npm/dt/@rabota/analytics-layer.svg?style=flat-square)](https://www.npmjs.com/package/@rabota/analytics-layer)
+[![npm (scoped with tag)](https://img.shields.io/npm/v/@rabota/analytics-layer/latest.svg?style=flat-square)](https://www.npmjs.com/package/@rabota/analytics-layer)

index.js

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+export * from './src';

package.json

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+{
+  "name": "@rabota/analytics-layer",
+  "version": "0.0.1",
+  "license": "MIT",
+  "repository": "https://github.com/RabotaRu/analytics-layer",
+  "homepage": "https://github.com/RabotaRu/analytics-layer/tree/master",
+  "publishConfig": {
+    "access": "public"
+  },
+  "main": "index.js"
+}

src/index.js

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+export * from './yandex-layer';

src/layer.js

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+export class Layer {
+
+  /**
+   * @type {string}
+   * @private
+   */
+  _provider = '';
+
+  /**
+   * @type {string}
+   * @private
+   */
+  _layerName = '';
+
+  /**
+   * @type {Array<string|number>}
+   * @private
+   */
+  _counters = [];
+
+  /**
+   * @param {Array<string|number>} counters
+   */
+  constructor (counters = []) {
+    this._counters = counters;
+  }
+
+  /**
+   * @param {string} provider
+   */
+  setProvider (provider) {
+    this._provider = provider;
+  }
+
+  /**
+   * @param {string} layerName
+   */
+  setLayer (layerName) {
+    this._layerName = layerName;
+  }
+
+  /**
+   * @param {Array<string|number>} counters
+   */
+  setCounters (counters = []) {
+    this._counters = counters;
+  }
+
+  /**
+   * @param {*} args
+   */
+  pushAll (...args) {
+    for (let i = 0; i < this._counters.length; ++i) {
+      this.pushTo( this._counters[ i ], ...args );
+    }
+  }
+
+  /**
+   * @param {string|number} counterId
+   * @param {*} args
+   * @abstract
+   */
+  pushTo (counterId, ...args) {
+  }
+
+  /**
+   * @param {*} args
+   */
+  push (...args) {
+    if (typeof window === 'undefined') {
+      return;
+    }
+
+    this._log( ...args );
+
+    window[ this._layerName ]( ...args );
+  }
+
+  /**
+   * @return {string}
+   */
+  get provider () {
+    return this._provider;
+  }
+
+  /**
+   * @param args
+   * @private
+   */
+  _log (...args) {
+    console.log(
+      `[Analytic service: ${this._capitalize(this._provider)}]`,
+      ...args
+    );
+  }
+
+  /**
+   * @param {string} text
+   * @return {string}
+   * @private
+   */
+  _capitalize (text) {
+    return text[ 0 ].toUpperCase() + text.substr( 1 );
+  }
+}

src/yandex-layer.js

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+import { Layer } from "./layer";
+
+export class YandexLayer extends Layer {
+
+  static YANDEX_LAYER_KEY = 'ym';
+
+  /**
+   * @param {Array<number>} counters
+   */
+  constructor (counters) {
+    super( counters );
+
+    this.setLayer( YandexLayer.YANDEX_LAYER_KEY );
+    this.setProvider( 'yandex' );
+  }
+
+  /**
+   * @param {number} counterId
+   * @param {*} args
+   */
+  pushTo (counterId, ...args) {
+    this.push( counterId, ...args );
+  }
+}