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Ensure CSV node tries to parse number when set to do so (trim whitespace)

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Dave Conway-Jones 2021-06-10 14:55:47 +01:00
parent 98172764ac
commit b73efe6bb4
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2 changed files with 19 additions and 3 deletions
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6
packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js vendored
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@ -203,7 +203,7 @@ module.exports = function(RED) {
if ( template[j] && (template[j] !== "") ) {
// if no value between separators ('1,,"3"...') or if the line beings with separator (',1,"2"...') treat value as null
if (line[i-1] === node.sep || line[i-1].includes('\n','\r')) k[j] = null;
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j]) ) { k[j] = parseFloat(k[j]); }
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j].trim()) ) { k[j] = parseFloat(k[j].trim()); }
if (node.include_null_values && k[j] === null) o[template[j]] = k[j];
if (node.include_empty_strings && k[j] === "") o[template[j]] = k[j];
if (k[j] !== null && k[j] !== "") o[template[j]] = k[j];
@ -218,7 +218,7 @@ module.exports = function(RED) {
if ( template[j] && (template[j] !== "") ) {
// if separator before end of line, set null value ie. '1,2,"3"\n1,2,\n1,2,3'
if (line[i-1] === node.sep) k[j] = null;
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j]) ) { k[j] = parseFloat(k[j]); }
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j].trim()) ) { k[j] = parseFloat(k[j].trim()); }
else { if (k[j] !== null) k[j].replace(/\r$/,''); }
if (node.include_null_values && k[j] === null) o[template[j]] = k[j];
if (node.include_empty_strings && k[j] === "") o[template[j]] = k[j];
@ -242,7 +242,7 @@ module.exports = function(RED) {
if (!node.goodtmpl) { template[j] = "col"+(j+1); }
if ( template[j] && (template[j] !== "") ) {
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j]) ) { k[j] = parseFloat(k[j]); }
if ( (k[j] !== null && node.parsestrings === true) && reg.test(k[j].trim()) ) { k[j] = parseFloat(k[j].trim()); }
else { if (k[j] !== null) k[j].replace(/\r$/,''); }
if (node.include_null_values && k[j] === null) o[template[j]] = k[j];
if (node.include_empty_strings && k[j] === "") o[template[j]] = k[j];

16
test/nodes/core/parsers/70-CSV_spec.js
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@ -305,6 +305,22 @@ describe('CSV node', function() {
});
});
it('should parse numbers when told to do so', function(done) {
var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d,e,f,g", wires:[["n2"]] },
{id:"n2", type:"helper"} ];
helper.load(csvNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('payload', { a: 1.23, b: -123, c: 1000, d: 0 });
check_parts(msg, 0, 1);
done();
});
var testString = ' 1.23 , -123,1e3 , 0 '+String.fromCharCode(10);
n1.emit("input", {payload:testString});
});
});
it('should leave handle strings with scientific notation as numbers', function(done) {
var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d,e,f,g", wires:[["n2"]] },
{id:"n2", type:"helper"} ];