Small refactoring and cleanup

javascript/RuleSet.js

@@ -6,34 +6,25 @@
  * @param values {object} Main data object
  */
 class RuleSet {
-    constructor(name, defaultValue = 1, values) {
-        this.name = name;
-        this.defaultValue = defaultValue;
-        this.values = values;
-        this.score = this.defaultValue;
-        this.order = null;
+    constructor(config) {
+        delete config["name"]
+        delete config["unit"]
+        delete config["description"]
+        this.program = config
     }
 
-    /**
-     * toString
-     * Returns constructor values in string for display in the console
-     */
-    toString() {
-        return `${this.name} | ${this.defaultValue} | ${this.values}`;
-    }
 
     /**
      * getScore calculates a score for the RuleSet
      * @param tags {object} Active tags to compare against
      */
-    runProgram(tags, program = this.values) {
-        console.log("Running program", program)
-        if(typeof program !== "object"){
+    runProgram(tags, program = this.program) {
+        if (typeof program !== "object") {
             return program;
         }
 
         let functionName /*: string*/ = undefined;
-        let functionArguments /*: any */= undefined    
+        let functionArguments /*: any */ = undefined
         let otherValues = {}
         Object.entries(program).forEach(
             entry => {
@@ -41,35 +32,27 @@ class RuleSet {
                 if (key.startsWith("$")) {
                     functionName = key
                     functionArguments = value
-                }else{
+                } else {
                     otherValues[key] = value
                 }
             }
         )
 
-        if(functionName === undefined){
+        if (functionName === undefined) {
             return this.interpretAsDictionary(program, tags)
         }
 
-        
-        console.log(program)
         if (functionName === '$multiply') {
-            this.score = this.multiplyScore(tags, functionArguments);
-            return `"${this.name.slice(8)}":"${this.score}"`;
-
+            return this.multiplyScore(tags, functionArguments);
         } else if (functionName === '$firstMatchOf') {
             this.order = keys;
-            const match = this.getFirstMatchScore(tags);
-            return `"${this.name.slice(8)}":"${match}"`;
-
+            return this.getFirstMatchScore(tags);
         } else if (functionName === '$min') {
-            const minVal = this.getMinValue(tags, functionArguments);
-            return `"${this.name.slice(8)}":"${minVal}"`;
-
+           return this.getMinValue(tags, functionArguments);
         } else if (functionName === '$max') {
-            const maxVal = this.getMaxValue(tags, functionArguments);
-            return `"${this.name.slice(8)}":"${maxVal}"`;
-
+            return this.getMaxValue(tags, functionArguments);
+        } else if (functionName === '$default') {
+            return this.defaultV(functionArguments, otherValues, tags)
         } else {
             console.error(`Error: Program ${functionName} is not implemented yet. ${JSON.stringify(program)}`);
         }
@@ -109,13 +92,22 @@ class RuleSet {
             if (propertyValue === undefined) {
                 return undefined
             }
-            if(typeof propertyValue !== "object"){
+            if (typeof propertyValue !== "object") {
                 return propertyValue
             }
             return propertyValue[value]
         });
     }
 
+    defaultV(subProgram, otherArgs, tags) {
+        const normalProgram = Object.entries(otherArgs)[0][1]
+        const value = this.runProgram(tags, normalProgram)
+        if (value !== undefined) {
+            return value;
+        }
+        return this.runProgram(tags, subProgram)
+    }
+
     /**
      * Multiplies the default score with the proper values
      * @param tags {object} the active tags to check against

javascript/index.js

@@ -1,13 +1,7 @@
 import interpret from './interpret.js';
 import RuleSet from './RuleSet.js';
 
-const printMsg = () => {
-    console.info("BE-StressMap has been installed successfully!")
-    console.info("View the README file for instructors on how to use this module.")
-}
-
 export { 
     interpret, 
-    RuleSet, 
-    printMsg,
+    RuleSet
 };

javascript/interpret.js

@@ -2,41 +2,33 @@
  * Import packages
  */
 import fs from 'fs';
-import { argv } from 'process';
+import {argv} from 'process';
 import RuleSet from './RuleSet.js';
 
 const app = {
-    init () {
+    init() {
         if (!!argv && argv.length < 4) {
             console.info(`Invalid command. In order to run the JavaScript interpreter please use the following format:
             > node index.js [ruleset JSON file] [tags]`)
         } else if (!!argv && argv.length === 4) {
             const definitionFile = argv[2];
             const tags = argv[3];
-            this.interpret(definitionFile, tags);
+            const result = this.interpret(definitionFile, tags);
+            console.log(result)
         }
     },
     /**
-     * Interpret JsonFile w/ Tags
+     * Interpret JsonFile and apply it as a tag. To use with CLI only
      * @param definitionFile {any} JSON input defining the score distribution
      * @param tags {any} OSM tags as key/value pairs
      */
-    interpret (definitionFile, tags) {
+    interpret(definitionFile, tags) {
+        if (typeof tags === "string") {
             tags = JSON.parse(tags)
-        const rawData = fs.readFileSync(definitionFile);
-        const ruleSet = JSON.parse(rawData);
-        const { name, $default, $multiply, $min, value} = ruleSet;
-
-        if (!!value) {
-            const currentSet = new RuleSet(name, $default, value);
-            console.log(currentSet.runProgram(tags));
-        } else if (!!$multiply) {
-            const currentSet = new RuleSet(name, $default, {$multiply});
-            console.log(currentSet.runProgram(tags));
-        } else if (!!$min) {
-            const currentSet = new RuleSet(name, $default, {$min});
-            console.log(currentSet.runProgram(tags));
         }
+        const rawData = fs.readFileSync(definitionFile);
+        const program = JSON.parse(rawData);
+        return new RuleSet(program).runProgram(tags)
     }
 };
 

javascript/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "mapcomplete-stressmap",
-  "version": "1.0.0",
-  "description": "Calculate bicycle route stress score to display on MapComplete/OSM.",
+  "name": "aspected-routing",
+  "version": "0.2.0",
+  "description": "Calculates a score based on a .Json-file which contains an Aspected-Routing function. This is a (partial) javascript port",
   "main": "index.js",
   "type": "module",
   "scripts": {