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let setMessageProperty return success flag

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so calling node can warn if operation tries to overwrite primitive type
This commit is contained in:
Dave Conway-Jones 2020-01-26 18:20:25 +00:00
parent 9d4238e5cc
commit d5d9ac5c76
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GPG Key ID: 302A6725C594817F
3 changed files with 17 additions and 3 deletions
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4
packages/node_modules/@node-red/nodes/core/function/15-change.js vendored
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@ -215,7 +215,9 @@ module.exports = function(RED) {
if (rule.t === 'delete') {
RED.util.setMessageProperty(msg,property,undefined);
} else if (rule.t === 'set') {
RED.util.setMessageProperty(msg,property,value);
if (!RED.util.setMessageProperty(msg,property,value)) {
node.warn(RED._("change.errors.no-override",{prop:property}));
}
} else if (rule.t === 'change') {
current = RED.util.getMessageProperty(msg,property);
if (typeof current === 'string') {

3
packages/node_modules/@node-red/nodes/locales/en-US/messages.json vendored
View File

@ -657,7 +657,8 @@
"errors": {
"invalid-from": "Invalid 'from' property: __error__",
"invalid-json": "Invalid 'to' JSON property",
"invalid-expr": "Invalid JSONata expression: __error__"
"invalid-expr": "Invalid JSONata expression: __error__",
"no-override": "Can't overwrite primitive type with object __prop__."
}
},
"range": {

13
packages/node_modules/@node-red/util/lib/util.js vendored
View File

@ -368,10 +368,15 @@ function setObjectProperty(msg,prop,value,createMissing) {
var length = msgPropParts.length;
var obj = msg;
var key;
var flag = true;
for (var i=0;i<length-1;i++) {
key = msgPropParts[i];
if (typeof key === 'string' || (typeof key === 'number' && !Array.isArray(obj))) {
if (obj.hasOwnProperty(key)) {
if (length > 1 && ((typeof obj[key] !== "object" && typeof obj[key] !== "function") || obj[key] === null)) {
//console.log("Can't override primitive type with object.");
flag = false;
}
obj = obj[key];
} else if (createMissing) {
if (typeof msgPropParts[i+1] === 'string') {
@ -409,8 +414,14 @@ function setObjectProperty(msg,prop,value,createMissing) {
delete obj[key]
}
} else {
obj[key] = value;
if (typeof obj === "object" && obj !== null) {
obj[key] = value;
} else {
//console.log("Can't override primitive type with object.");
flag = false;
}
}
return flag;
}
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