frodovdr/node-red
1
0
Fork 0
mirror of https://github.com/node-red/node-red.git synced 2025-03-01 10:36:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Let CSV node only send headers once

Browse Source 
(and then reset that on msg.reset)
and also accept msg.columns csv string to set column headers if not specified in node.
And Add tests
This commit is contained in:
Dave Conway-Jones
2020-04-03 15:54:19 +01:00
parent fbfc74e5ca
commit e969a1c97c
5 changed files with 106 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
packages/node_modules/@node-red/nodes/locales/en-US/messages.json vendored
View File

@@ -723,6 +723,11 @@
"mac": "Mac (\\r)",
"windows": "Windows (\\r\\n)"
},
"hdrout": {
"none": "never send column headers",
"all": "always send column headers",
"once": "send headers once, until msg.reset"
},
"errors": {
"csv_js": "This node only handles CSV strings or js objects.",
"obj_csv": "No columns template specified for object -> CSV."

4
packages/node_modules/@node-red/nodes/locales/en-US/parsers/70-CSV.html vendored
View File

@@ -38,11 +38,13 @@
<p>The column template can contain an ordered list of column names. When converting CSV to an object, the column names
will be used as the property names. Alternatively, the column names can be taken from the first row of the CSV.</p>
<p>When converting to CSV, the column template is used to identify which properties to extract from the object and in what order.</p>
<p>If the template is blank then the node can use a simple comma separated list of properties supplied in <code>msg.columns</code> to
determine what to extract. If that is not present then all the object properties are ouput in the order in which they are found.</p>
<p>If the input is an array then the columns template is only used to optionally generate a row of column titles.</p>
<p>If 'parse numerical values' option is checked, string numerical values will be returned as numbers, ie. middle value '1,"1.5",2'.</p>
<p>If 'include empty strings' option is checked, empty strings will be returned in result, ie. middle value '"1","",3'.</p>
<p>If 'include null values' option is checked, null values will be returned in result, ie. middle value '"1",,3'.</p>
<p>The node can accept a multi-part input as long as the <code>parts</code> property is set correctly.</p>
<p>The node can accept a multi-part input as long as the <code>parts</code> property is set correctly, for example from a file-in node or split node.</p>
<p>If outputting multiple messages they will have their <code>parts</code> property set and form a complete message sequence.</p>
<p><b>Note:</b> the column template must be comma separated - even if a different separator is chosen for the data.</p>
</script>