trycatch

Author: coderosh

README.md

@@ -28,7 +28,7 @@ jsonfromtable(options, headers).then(data => {
 })
 ```
 
-`jsonfromtable` function takes two arguments `options` and `headers`.
+`jsonfromtable` function takes two arguments `options` and `headers` and returns promise.
 
 ## Options
 
@@ -42,6 +42,16 @@ options = {
 }
 ```
 
+### html
+
+If you want the output from a html then you need to pass `html` option. The html should contain `table` tag.
+
+```js
+options = {
+  html: '<table>....</table>'
+}
+```
+
 ### format
 
 If you want the json output then you can pass `format` option.

index.js

@@ -1,6 +1,5 @@
 const cheerio = require('cheerio')
 const fetch = require('node-fetch')
-
 const toJson = require('./utils/tojson')
 
 const defaultOptions = {
@@ -11,33 +10,36 @@ const defaultOptions = {
 }
 
 const htmlTableToJson = async (options = defaultOptions, headers) => {
-  const { url, html, selector, format } = { ...defaultOptions, ...options }
-
-  let data
-
-  if (url) {
-    const response = await fetch(url)
-    data = await response.text()
-  } else if (html) {
-    data = html
-  } else {
-    return []
-  }
-
-  const $ = cheerio.load(data)
-
-  if ($('table').html() === null) {
-    throw new Error(
-      `Please provide ${url ? 'url' : 'html'} which contains table`
-    )
-  }
-
-  let body = toJson($, selector, headers)
-
-  if (format === 'json') {
-    return JSON.stringify(body)
-  } else {
-    return body
+  try {
+    const { url, html, selector, format } = { ...defaultOptions, ...options }
+
+    let data
+
+    if (url) {
+      const response = await fetch(url)
+      data = await response.text()
+    } else if (html) {
+      data = html
+    } else {
+      return []
+    }
+
+    const $ = cheerio.load(data)
+
+    if ($('table').html() === null) {
+      throw new Error(
+        `Please provide ${url ? 'url' : 'html'} which contains table`
+      )
+    }
+
+    let body = toJson($, selector, headers)
+    if (format === 'json') {
+      return JSON.stringify(body)
+    } else {
+      return body
+    }
+  } catch (e) {
+    throw new Error(e)
   }
 }
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "jsonfromtable",
-  "version": "1.0.1",
+  "version": "1.0.3",
   "description": "Generate json output from html tables",
   "main": "index.js",
   "repository": {