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add callIfExists, which will call a method only if it exists

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This commit is contained in:
Charlie Humphreys
2022-12-05 22:06:06 -06:00
parent d7de2e3d21
commit 208593d203
1 changed files with 12 additions and 7 deletions
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19
client/homebrew/editor/metadataEditor/metadataEditor.jsx
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@@ -9,7 +9,7 @@ const Nav = require('naturalcrit/nav/nav.jsx');
const StringArrayEditor = require('../stringArrayEditor/stringArrayEditor.jsx');
const Themes = require('themes/themes.json');
const validations = require('./validations.js')
const validations = require('./validations.js');
const SYSTEMS = ['5e', '4e', '3.5e', 'Pathfinder'];
@@ -53,7 +53,13 @@ const MetadataEditor = createClass({
},
handleFieldChange : function(name, e){
e.persist();
const callIfExists = (val, fn, ...args)=>{
if(val[fn]) {
val[fn](...args);
}
};
callIfExists(e, 'persist');
// load validation rules, and check input value against them
const inputRules = validations[name] ?? [];
@@ -61,20 +67,19 @@ const MetadataEditor = createClass({
// if no validation rules, save to props
if(validationErr.length === 0){
e.target.setCustomValidity('');
callIfExists(e.target, 'setCustomValidity', '');
this.props.onChange({
...this.props.metadata,
[name] : e.target.value
});
} else {
// if validation issues, display built-in browser error popup with each error.
console.log(validationErr);
const errMessage = validationErr.map((err)=>{
return `- ${err}`;
}).join('\n');
e.target.setCustomValidity(errMessage);
e.target.reportValidity();
};
callIfExists(e.target, 'setCustomValidity', errMessage);
callIfExists(e.target, 'reportValidity');
}
},
handleSystem : function(system, e){