Added general SPARQL escape helper with type paramater

Author: erikap

README.md

@@ -58,6 +58,7 @@ The following importable variables are available:
   - `sparqlEscapeDate(value) => string`: Function to escape a date in SPARQL
   - `sparqlEscapeDateTime(value) => string`: Function to escape a datetime in SPARQL
   - `sparqlEscapeBool(value) => string`: Function to escape a boolean in SPARQL
+  - `sparqlEscape(value, type) => string`: Function to escape a value in SPARQL according to the given type. Type must be one of `'string'`, `'uri'`, `'int'`, `'float'`, `'date'`, `'dateTime'`, `'bool'`.  
 
 You can either import specific attributes from the mu library, or import the whole mu object.
 

helpers/mu/index.js

@@ -11,6 +11,7 @@ const mu = {
   SPARQL: sparql.sparql,
   query: sparql.query,
   update: sparql.update,
+  sparqlEscape: sparql.sparqlEscape,
   sparqlEscapeString: sparql.sparqlEscapeString,
   sparqlEscapeUri: sparql.sparqlEscapeUri,
   sparqlEscapeInt: sparql.sparqlEscapeInt,
@@ -24,6 +25,7 @@ const mu = {
 const SPARQL = mu.SPARQL,
       query = mu.query,
       update = mu.update,
+      sparqlEscape = mu.sparqlEscape,
       sparqlEscapeString = mu.sparqlEscapeString,
       sparqlEscapeUri = mu.sparqlEscapeUri,
       sparqlEscapeInt = mu.sparqlEscapeInt,
@@ -38,6 +40,7 @@ export {
   SPARQL,
   query,
   update,
+  sparqlEscape,
   sparqlEscapeString,
   sparqlEscapeUri,
   sparqlEscapeInt,

helpers/mu/server.js

@@ -33,7 +33,7 @@ app.use(function(err, req, res, next) {
 
 // start server
 app.listen( 80, function() {
-  console.log('Starting server on port 80');
+  console.log(`Starting server on port 80 in ${app.get('env')} mode`);
 });
 
 export default app;

helpers/mu/sparql.js

@@ -48,13 +48,36 @@ function sparqlEscapeBool( value ){
   return value ? '"true"^^xsd:boolean' : '"false"^^xsd:boolean';
 };
 
+function sparqlEscape( value, type ){
+  switch(type) {
+  case 'string':
+    return sparqlEscapeString(value);
+  case 'uri':
+    return sparqlEscapeUri(value);
+  case 'bool':
+    return sparqlEscapeBool(value);
+  case 'int':
+    return sparqlEscapeInt(value);
+  case 'float':
+    return sparqlEscapeFloat(value);
+  case 'date':
+    return sparqlEscapeDate(value);
+  case 'dateTime':
+    return sparqlEscapeDateTime(value);
+  default:
+    console.error(`WARN: Unknown escape type '${type}'. Escaping as string`);
+    return sparqlEscapeString(value);
+  }
+}
+
 //==-- exports --==//
 const exports = {
   newSparqlClient: newSparqlClient,
   SPARQL: SPARQL,
   sparql: SPARQL,
   query: query,
   update: update,
+  sparqlEscape: sparqlEscape,
   sparqlEscapeString: sparqlEscapeString,
   sparqlEscapeUri: sparqlEscapeUri,
   sparqlEscapeInt: sparqlEscapeInt,
@@ -71,6 +94,7 @@ export {
   SPARQL as sparql,
   query,
   update,
+  sparqlEscape,
   sparqlEscapeString,
   sparqlEscapeUri,
   sparqlEscapeInt,