Remove remove-markdown dependency.

We already had a method to make a short version of a markdown text.
It was stuck deep in a depject module, so I ripped it out of there and put
it into its own module.
It is now require()d in the depject module and in the new bio preview code.

Author: black-puppydog

lib/depject/message/async/name.js

@@ -1,5 +1,6 @@
 const nest = require('depnest')
 const ref = require('ssb-ref')
+const { titleFromMarkdown, truncate } = require('../../../markdownSummary')
 const { resolve, onceTrue } = require('mutant')
 
 exports.needs = nest({
@@ -28,10 +29,10 @@ exports.create = function (api) {
         return cb(null, truncate(value.content.title, 40))
       } else if (value && value.content.type === 'post' && typeof value.content.text === 'string') {
         if (value.content.text.trim()) {
-          return cb(null, titleFromMarkdown(value.content.text, 40) || fallbackName)
+          return cb(null, titleFromMarkdown(value.content.text, 40, 3) || fallbackName)
         }
       } else if (value && typeof value.content.text === 'string') {
-        return cb(null, value.content.type + ': ' + titleFromMarkdown(value.content.text, 30))
+        return cb(null, value.content.type + ': ' + titleFromMarkdown(value.content.text, 30, 3))
       } else {
         return getAboutName(id, cb)
       }
@@ -49,19 +50,3 @@ exports.create = function (api) {
     })
   }
 }
-
-function titleFromMarkdown (text, max) {
-  text = text.trim().split('\n', 3).join('\n')
-  text = text.replace(/_|`|\*|#|^\[@.*?]|\[|]|\(\S*?\)/g, '').trim()
-  text = text.replace(/:$/, '')
-  text = text.trim().split('\n', 1)[0].trim()
-  text = truncate(text, max)
-  return text
-}
-
-function truncate (text, maxLength) {
-  if (text.length > maxLength) {
-    text = text.substring(0, maxLength - 2) + '...'
-  }
-  return text
-}

lib/depject/profile/html/preview.js

@@ -4,7 +4,7 @@ const map = require('mutant/map')
 const when = require('mutant/when')
 const computed = require('mutant/computed')
 const send = require('mutant/send')
-const removeMd = require('remove-markdown')
+const { titleFromMarkdown } = require('../../../markdownSummary')
 
 exports.needs = nest({
   'about.obs.name': 'first',
@@ -50,8 +50,9 @@ exports.create = function (api) {
           h(
             'section -profile', [
               computed(description, (description) => {
-                const txt = removeMd(description)
-                const summary = shortenDescription(txt, idLen)
+                // const txt = removeMd(description)
+                // const summary = shortenDescription(txt, idLen)
+                const summary = titleFromMarkdown(description, idLen, 1)
                 return summary
               })]
           )

lib/markdownSummary.js

@@ -0,0 +1,19 @@
+
+exports.titleFromMarkdown = (text, max, maxLines) => {
+  if (text === null) {
+    return ''
+  }
+  text = text.trim().split('\n', maxLines + 1).join('\n')
+  text = text.replace(/_|`|\*|#|^\[@.*?]|\[|]|\(\S*?\)/g, '').trim()
+  text = text.replace(/:$/, '')
+  text = text.trim().split('\n', 1)[0].trim()
+  text = module.exports.truncate(text, max)
+  return text
+}
+
+exports.truncate  = (text, maxLength) => {
+  if (text.length > maxLength) {
+    text = text.substring(0, maxLength - 2) + '...'
+  }
+  return text
+}

package.json

@@ -58,7 +58,6 @@
     "pull-pushable": "^2.2.0",
     "pull-reconnect": "0.0.3",
     "pull-stream": "^3.6.14",
-    "remove-markdown": "^0.3.0",
     "require-style": "^1.1.0",
     "run-parallel": "^1.1.9",
     "scuttle-blog": "^1.0.1",