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let HTML node return empty array for no matching input.

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to Close #1582
This commit is contained in:
Dave Conway-Jones
2018-01-26 14:26:49 +00:00
parent d355de509b
commit 8179813fe1
2 changed files with 33 additions and 13 deletions
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25
nodes/core/parsers/70-HTML.js
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@@ -31,11 +31,11 @@ module.exports = function(RED) {
try {
var $ = cheerio.load(msg.payload);
var pay = [];
var count = 0;
var count = 0;
$(tag).each(function() {
count++;
});
var index = 0;
count++;
});
var index = 0;
$(tag).each(function() {
if (node.as === "multi") {
var pay2 = null;
@@ -46,13 +46,13 @@ module.exports = function(RED) {
/* istanbul ignore else */
if (pay2) {
msg.payload = pay2;
msg.parts = {
id: msg._msgid,
index: index,
count: count,
msg.parts = {
id: msg._msgid,
index: index,
count: count,
type: "string",
ch: ""
};
};
node.send(msg);
}
}
@@ -62,13 +62,14 @@ module.exports = function(RED) {
if (node.ret === "attr") { pay.push( this.attribs ); }
//if (node.ret === "val") { pay.push( $(this).val() ); }
}
index++;
index++;
});
if ((node.as === "single") && (pay.length !== 0)) {
if (node.as === "single") { // Always return an array - even if blank
msg.payload = pay;
node.send(msg);
}
} catch (error) {
}
catch (error) {
node.error(error.message,msg);
}
}