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Merge pull request #1812 from node-red-hitachi/0.19-add-env-var-support-for-split-node

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Allow environment variable as reduce init value in split node
This commit is contained in:
Nick O'Leary
2018-07-16 09:38:26 +01:00
committed by GitHub
parent 5807ab82c1 312e3611b1
commit d21e719cc1
3 changed files with 113 additions and 42 deletions
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2
nodes/core/logic/17-split.html
View File

@@ -415,7 +415,7 @@
$("#node-input-reduceExp").typedInput({types:[jsonata_or_empty]});
$("#node-input-reduceInit").typedInput({
default: 'num',
types:['flow','global','str','num','bool','json','bin','date','jsonata'],
types:['flow','global','str','num','bool','json','bin','date','jsonata','env'],
typeField: $("#node-input-reduceInitType")
});
$("#node-input-reduceFixup").typedInput({types:[jsonata_or_empty]});

51
nodes/core/logic/17-split.js
View File

@@ -359,47 +359,16 @@ module.exports = function(RED) {
}
function getInitialReduceValue(node, exp, exp_type) {
return new Promise((resolve,reject) => {
if(exp_type === "flow" || exp_type === "global") {
node.context()[exp_type].get(exp,(err,value) => {
if (err) {
reject(err);
} else {
resolve(value);
}
});
return;
} else if(exp_type === "jsonata") {
var jexp = RED.util.prepareJSONataExpression(exp, node);
RED.util.evaluateJSONataExpression(jexp, {},(err,value) => {
if (err) {
reject(err);
} else {
resolve(value);
}
});
return;
}
var result;
if(exp_type === "str") {
result = exp;
} else if(exp_type === "num") {
result = Number(exp);
} else if(exp_type === "bool") {
if (exp === 'true') {
result = true;
} else if (exp === 'false') {
result = false;
}
} else if ((exp_type === "bin") || (exp_type === "json")) {
result = JSON.parse(exp);
} else if(exp_type === "date") {
result = Date.now();
} else {
reject(new Error("unexpected initial value type"));
return;
}
resolve(result);
return new Promise((resolve, reject) => {
RED.util.evaluateNodeProperty(exp, exp_type, node, {},
(err, result) => {
if(err) {
return reject(err);
}
else {
return resolve(result);
}
});
});
}