update

Author: bjdmeest

example-client.js

@@ -1,86 +1,91 @@
 const fnHub = require('./functionHub-library')('https://fno.io/hub/api');
 
 function printFunctions(functions) {
-  console.log(
-    'This query found ' + functions.length + ' possible functions:'
-  );
-  functions.forEach(func => console.log('\t' + func.func.name));
+  console.log(`This query found ${functions.length} possible functions:`);
+  functions.forEach((func) => console.log(`\t${func.func.name}`));
 }
 
 function printParameters(func) {
-  const {expects, returns} = func.func;
-  console.log({expects, returns});
+  const { expects, returns } = func.func;
+  console.log({ expects, returns });
 }
 
-var query = {
-  expects: [{type: 'float'}, {type: 'float'}],
-  returns: {type: 'float'}
+const query = {
+  expects: [{ type: 'float' }, { type: 'float' }],
+  returns: { type: 'float' },
 };
 
 async function main() {
   console.log('Query without keyword filter:');
   let queryResult = await fnHub.doQuery(query);
   printFunctions(queryResult);
 
-  query['keywords'] = ['total population'];
+  query.keywords = ['total population'];
 
   console.log('\nQuery with keyword filter:');
   printFunctions(await fnHub.doQuery(query));
 
   // This is the one
-  var totalPopulationFunction = (await fnHub.doQuery(query))[0];
+  const totalPopulationFunction = (await fnHub.doQuery(query))[0];
 
   console.log('\nFunction parameters info:');
   printParameters(totalPopulationFunction);
 
-  var populationDensity = 363.6;
-  var totalArea = 30528.0;
-  var totalPopulationImplementation = (await fnHub.getImplementationsFromFunction(
-    totalPopulationFunction
+  const populationDensity = 363.6;
+  const totalArea = 30528.0;
+  const totalPopulationImplementation = (await fnHub.getImplementationsFromFunction(
+    totalPopulationFunction,
   ))[0];
-  console.log(
-    '\nThe total population of Belgium is: ' +
-    totalPopulationImplementation(populationDensity, totalArea)
-  );
+  console.log(`\nThe total population of Belgium is: ${totalPopulationImplementation(populationDensity, totalArea)}`);
 
   console.log("\nNew query, let's find indent function.");
   const indentQuery = {
-    expects: [{type: 'string'}, {type: 'integer'}],
-    returns: {type: 'string'},
-    keywords: ['indent']
+    expects: [{ type: 'string' }, { type: 'integer' }],
+    returns: { type: 'string' },
+    keywords: ['indent'],
   };
   queryResult = await fnHub.doQuery(indentQuery);
   printFunctions(queryResult);
 
   console.log(
-    'Let\'s call its implementation on the string "Hey" with the additional parameter "8":'
+    'Let\'s call its implementation on the string "Hey" with the additional parameter "8":',
   );
-  var indentImplementation = (await fnHub.getImplementationsFromFunction(
-    queryResult[0]
+  const indentImplementation = (await fnHub.getImplementationsFromFunction(
+    queryResult[0],
   ))[0];
 
   console.log(indentImplementation('Hey', 8));
 
   console.log("\nNew query, let's find left-pad function.");
   const leftpadQuery = {
-    expects: [{type: 'string'}, {type: 'integer'}],
-    returns: {type: 'string'},
-    keywords: ['left-pad']
+    expects: [{ type: 'string' }, { type: 'integer' }],
+    returns: { type: 'string' },
+    keywords: ['left-pad'],
   };
   queryResult = await fnHub.doQuery(leftpadQuery);
   printFunctions(queryResult);
 
-  console.log(
-    'Let\'s call its implementation on the string "Hey" with the additional parameter "5":'
-  );
-  var leftpadImplementations = await fnHub.getImplementationsFromFunction(
-    queryResult[0]
-  );
+  console.log('Let\'s call its implementation on the string "Hey" with the additional parameter "5":');
+  let leftpadImplementations = [];
+  const start = async () => {
+    await asyncForEach(queryResult, async (q) => {
+      const impls = await fnHub.getImplementationsFromFunction(q);
+      leftpadImplementations = leftpadImplementations.concat(impls);
+    });
+
+    console.log(`Found ${leftpadImplementations.length} implementations:`);
+    leftpadImplementations.forEach((imp, i) => {
+      console.log('\tOutput of implementation', i, ':', imp('Hey', 5));
+    });
+  };
 
-  console.log(`Found ${leftpadImplementations.length} implementations:`);
-  leftpadImplementations.forEach((imp, i) => {
-    console.log('\tOutput of implementation', i, ':', imp('Hey', 5));
-  });
+  start();
 }
 
 main().catch(console.error);
+
+async function asyncForEach(array, callback) {
+  for (let index = 0; index < array.length; index++) {
+    await callback(array[index], index, array);
+  }
+}