Remove 'fs' as dependency

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mermaid",
-  "version": "7.0.12",
+  "version": "7.0.13",
   "description": "Markdownish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
   "main": "dist/mermaid.core.js",
   "keywords": [

src/diagrams/classDiagram/parser/classDiagram.js

@@ -731,12 +731,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/example/parser/example.js

@@ -621,12 +621,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/flowchart/parser/dot.js

@@ -731,12 +731,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/flowchart/parser/flow.js

@@ -952,12 +952,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/gantt/parser/gantt.js

@@ -647,12 +647,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/gitGraph/parser/gitGraph.js

@@ -687,12 +687,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

src/diagrams/sequenceDiagram/parser/sequenceDiagram.js

@@ -797,12 +797,12 @@ exports.parser = parser;
 exports.Parser = parser.Parser;
 exports.parse = function () { return parser.parse.apply(parser, arguments); };
 exports.main = function commonjsMain(args) {
-    if (!args[1]) {
-        console.log('Usage: '+args[0]+' FILE');
-        process.exit(1);
-    }
-    var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
-    return exports.parser.parse(source);
+    // if (!args[1]) {
+    //     console.log('Usage: '+args[0]+' FILE');
+    //     process.exit(1);
+    // }
+    // var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
+    // return exports.parser.parse(source);
 };
 if (typeof module !== 'undefined' && require.main === module) {
   exports.main(process.argv.slice(1));

todo.md

@@ -9,7 +9,6 @@
 - Get familar with jison
 - git graph requires a blank line at the end. why?
 - Move cli to mermaid-cli project ?
-- Remove 'fs' as dependency
 - Remove 'lodash' as dependency
     - https://github.com/lodash/babel-plugin-lodash
     - https://www.npmjs.com/package/lodash-webpack-plugin
@@ -23,3 +22,5 @@
     - Generate them into system temp folder instead
 - Replace phantomjs with Chrome headless
 - `yarn jest` is disabled
+- Don't manually change jison generated files
+    - Removed 'fs' dependency from it

webpack.config.base.js

@@ -16,7 +16,6 @@ export const jsConfig = () => {
     entry: {
       mermaid: './src/mermaid.js'
     },
-    externals: ['fs'],
     output: {
       path: path.join(__dirname, './dist/'),
       filename: '[name].js',

webpack.config.js

@@ -5,7 +5,7 @@ import { jsConfig, lessConfig } from './webpack.config.base'
 const config = jsConfig()
 
 const coreConfig = jsConfig()
-coreConfig.externals = [nodeExternals(), 'fs']
+coreConfig.externals = [nodeExternals()]
 coreConfig.output.filename = '[name].core.js'
 
 const cssConfig = lessConfig()