build: group webpack & ignore dist & support yarn1.x

.eslintignore

@@ -1,2 +1,2 @@
 dist/**
-.github/**
+yarn.lock

.gitignore

@@ -4,19 +4,14 @@ node_modules/
 coverage/
 .idea/
 
-dist/*.js
-dist/*.map
+dist
 
 yarn-error.log
 .npmrc
 token
 
 package-lock.json
 
-dist/classTest.html
-
-dist/sequenceTest.html
-
 .vscode/
 cypress/platform/current.html
 cypress/platform/experimental.html

.lintstagedrc.json

@@ -1,5 +1,5 @@
 {
   "*": [
-      "yarn lint:fix" 
+      "yarn lint:fix"
    ]
 }

src/jison/loader.js → .webpack/loaders/jison.js

@@ -1,6 +1,19 @@
 const { Generator } = require('jison');
 const validate = require('schema-utils');
-const schema = require('./parser-options-schema.json');
+
+const schema = {
+  title: 'Jison Parser options',
+  type: 'object',
+  properties: {
+    'token-stack': {
+      type: 'boolean',
+    },
+    debug: {
+      type: 'boolean',
+    },
+  },
+  additionalProperties: false,
+};
 
 module.exports = function jisonLoader(source) {
   const options = this.getOptions();

.webpack/webpack.config.babel.js

@@ -0,0 +1,45 @@
+import { merge, mergeWithCustomize, customizeObject } from 'webpack-merge';
+import nodeExternals from 'webpack-node-externals';
+import baseConfig from './webpack.config.base';
+
+export default (_env, args) => {
+  switch (args.mode) {
+    case 'development':
+      return [
+        baseConfig,
+        merge(baseConfig, {
+          externals: [nodeExternals()],
+          output: {
+            filename: '[name].core.js',
+          },
+        }),
+      ];
+    case 'production':
+      return [
+        // umd
+        merge(baseConfig, {
+          output: {
+            filename: '[name].min.js',
+          },
+        }),
+        // esm
+        mergeWithCustomize({
+          customizeObject: customizeObject({
+            'output.library': 'replace',
+          }),
+        })(baseConfig, {
+          experiments: {
+            outputModule: true,
+          },
+          output: {
+            library: {
+              type: 'module',
+            },
+            filename: '[name].esm.min.mjs',
+          },
+        }),
+      ];
+    default:
+      throw new Error('No matching configuration was found!');
+  }
+};

.webpack/webpack.config.base.js

@@ -0,0 +1,54 @@
+import path from 'path';
+
+export const resolveRoot = (...relativePath) => path.resolve(__dirname, '..', ...relativePath);
+
+export default {
+  amd: false, // https://github.com/lodash/lodash/issues/3052
+  target: 'web',
+  entry: {
+    mermaid: './src/mermaid.js',
+  },
+  resolve: {
+    extensions: ['.wasm', '.mjs', '.js', '.json', '.jison'],
+    fallback: {
+      fs: false, // jison generated code requires 'fs'
+      path: require.resolve('path-browserify'),
+    },
+  },
+  output: {
+    path: resolveRoot('./dist'),
+    filename: '[name].js',
+    library: {
+      name: 'mermaid',
+      type: 'umd',
+      export: 'default',
+    },
+    globalObject: 'typeof self !== "undefined" ? self : this',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        include: [resolveRoot('./src'), resolveRoot('./node_modules/dagre-d3-renderer/lib')],
+        use: {
+          loader: 'babel-loader',
+        },
+      },
+      {
+        // load scss to string
+        test: /\.scss$/,
+        use: ['css-to-string-loader', 'css-loader', 'sass-loader'],
+      },
+      {
+        test: /\.jison$/,
+        use: {
+          loader: path.resolve(__dirname, './loaders/jison.js'),
+          options: {
+            'token-stack': true,
+          },
+        },
+      },
+    ],
+  },
+  devtool: 'source-map',
+};

.webpack/webpack.config.e2e.babel.js

@@ -0,0 +1,37 @@
+import baseConfig, { resolveRoot } from './webpack.config.base';
+import { merge } from 'webpack-merge';
+
+export default merge(baseConfig, {
+  mode: 'development',
+  entry: {
+    mermaid: './src/mermaid.js',
+    e2e: './cypress/platform/viewer.js',
+    'bundle-test': './cypress/platform/bundle-test.js',
+  },
+  output: {
+    globalObject: 'window',
+  },
+  devServer: {
+    compress: true,
+    port: 9000,
+    static: [
+      { directory: resolveRoot('cypress', 'platform') },
+      { directory: resolveRoot('dist') },
+      { directory: resolveRoot('demos') },
+    ],
+  },
+  externals: {
+    mermaid: 'mermaid',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader',
+        },
+      },
+    ],
+  },
+});