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JS Generics: Add a NodeMap proxy builder

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Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
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Daniel Silverstone 2020-02-21 18:40:16 +00:00
parent 2325062ff1
commit b23063bb52
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1 changed files with 23 additions and 0 deletions
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23
content/handlers/javascript/duktape/generics.js
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@ -27,6 +27,29 @@ var NetSurf = {
},
});
},
/* The make-proxy call for nodemap-type objects */
makeNodeMapProxy: function(inner) {
return new Proxy(inner, {
has: function(target, key) {
if (typeof key == 'number') {
return (key >= 0) && (key < target.length);
} else {
return target.getNamedItem(key) || (key in target);
}
},
get: function(target, key) {
if (typeof key == 'number') {
return target.item(key);
} else {
var attr = target.getNamedItem(key);
if (attr) {
return attr;
}
return target[key];
}
},
});
},
consoleFormatter: function Formatter() {
if (arguments.length == 0) {