initial commit, build is not working

src/app.ts

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+import { createWriteStream, WriteStream } from 'fs';
+import { join } from 'path';
+
+import { MainConfig, SVGOConfig } from './config';
+import { svgClean } from './modules/svgo.clean';
+import { makeConfig } from './modules/svgo.config';
+
+const SVGO = require('svgo');
+
+export class SvgIconset {
+
+  private optimizeConfig: SVGOConfig;
+  private isValid: boolean = true;
+  private svgoPlugin: typeof SVGO;
+
+  constructor(private config: MainConfig) {
+    if (config.result === undefined || config.source === undefined) {
+      this.isValid = false;
+    }
+    this.optimizeConfig = config.optimize !== undefined ? makeConfig(config.optimize) : makeConfig();
+    this.svgoPlugin = new SVGO(this.optimizeConfig);
+
+  }
+
+  public createSet() {
+    if (!this.isValid) {
+      return console.error('Configuration is not valid, check source or result are available');
+    }
+
+    svgClean(this.config.source, this.svgoPlugin)
+      .then(files => {
+        createWriteStream(join(process.cwd(), this.config.source, `${this.config.result}-iconset.svg`))
+          .once('open', function (this: WriteStream) {
+            this.write(`<svg>${files}</svg>`);
+          })
+          .on('close', () => console.log(`Succesfully written file ${this.config.result}-iconset.svg`))
+          .on('error', () => console.error('Something’s wrong try again'));
+      })
+      .catch(err => console.error(err));
+  }
+
+}

src/bin.ts

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+#!/usr/bin/env node
+import { exit } from 'process';
+
+import { SvgIconset } from './app';
+
+
+const argv = require('yargs').argv;
+const exampleString = 'Example: svg-iconset --source=assets/images/icons --name=icons';
+
+const {
+  source,
+  name,
+  attrs,
+  removeViewBox
+} = argv;
+
+
+if (source === undefined) {
+  console.error('Source dir is not set');
+  console.error(exampleString);
+  exit();
+}
+
+if (name === undefined) {
+  console.error('Result filename is not set');
+  console.error(exampleString);
+  exit();
+}
+
+new SvgIconset({
+  source,
+  result: name,
+  optimize: {
+    attrs,
+    removeViewBox
+  }
+}).createSet();

src/config.d.ts

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+declare type SVGOConfig = [
+  {
+    removeAttrs: {
+      attrs: string
+    }
+  },
+  {
+    removeViewBox: boolean
+  }
+]
+
+export interface SvgOptimizeConfig {
+  attrs?: string;
+  removeViewBox?: boolean
+}
+
+export interface MainConfig {
+  source: string;
+  result: string;
+  optimize?: SvgOptimizeConfig
+}

src/modules/svgo.clean.ts

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+const SVGO = require('svgo');
+import { readdir } from 'fs';
+
+export function svgClean(path: string, svgo: typeof SVGO): Promise<SVGElement[]> {
+
+  return new Promise((resolve, reject) => {
+
+    readdir(path, (err, svgFiles) => {
+      if (err) {
+        return reject(err);
+      }
+
+      const files = svgFiles.filter(filename => filename.indexOf('iconset') === -1 && filename.indexOf('.svg') > -1)
+        .map(dirtyFile => svgo.optimize(dirtyFile));
+
+      return files.length > 0 ? resolve(files) : reject('There are no SVG files to optimize');
+
+    });
+
+  });
+}

src/modules/svgo.config.ts

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+import { SVGOConfig, SvgOptimizeConfig } from '../config';
+
+const defaultConfig: SVGOConfig = [
+  {
+    removeAttrs: {
+      attrs: '(width|height)'
+    },
+  },
+  { removeViewBox: false }
+];
+
+export function makeConfig(config?: SvgOptimizeConfig): SVGOConfig {
+
+  if (config !== undefined) {
+    const { attrs, removeViewBox } = config;
+
+    if (attrs !== undefined) {
+      defaultConfig[0].removeAttrs.attrs = `(${attrs.replace(/,\s/g, '|')})`;
+    }
+
+    if (removeViewBox) {
+      defaultConfig[1].removeViewBox = removeViewBox;
+    }
+  }
+
+  return defaultConfig;
+}