Add guard for no entry

Author: mxstbr

convert-to-pdf.js

@@ -16,13 +16,18 @@ const convert = (phones) => {
  // Cut everything after "The less quick version"
  let short = string.substring(0, string.indexOf('The Less Quick Version')); 
  short = `${short}${extra}`
- // Insert phone numbers
- const text = "There'll always be at least one of them at any ReactVienna-sponsored space.";
- const index = short.indexOf(text);
- const before = short.substring(0, index);
- const after = short.substring(index);
- const numbers = `You can also call them:\n${phones.map(data => `- ${data.name}: ${data.phone}`).join('\n')}\n\n`;
- this.push(before + numbers + after);
+ if (phones && phones.length > 0 && phones.every(data => data.name && data.phone)) {
+ // Insert phone numbers
+ const text = "There'll always be at least one of them at any ReactVienna-sponsored space.";
+ const index = short.indexOf(text);
+ const before = short.substring(0, index);
+ const after = short.substring(index);
+ const numbers = `You can also call them:\n${phones.map(data => `- ${data.name}: ${data.phone}`).join('\n')}\n\n`;
+ this.push(before + numbers + after);
+ } else {
+ console.warn('No phone numbers provided, please provide at least one phone number if possible.')
+ this.push(short);
+ }
  callback();
  }),
  }).from('./readme.md').to('./readme.pdf', () => {