Sha256: 7af3458220a2a07ac85cfccf345081ee511a3d9ea18f318dbdbe138682f99830
Contents?: true
Size: 1.94 KB
Versions: 26
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Stored size: 1.94 KB
Contents
"use strict";
const idlUtils = require("../generated/utils.js");
const { setAttributeValue, removeAttributeByName } = require("../attributes");
const validateName = require("../helpers/validate-names").name;
const DOMException = require("../generated/DOMException");
const dataAttrRe = /^data-([^A-Z]*)$/;
function attrCamelCase(name) {
return name.replace(/-([a-z])/g, (match, alpha) => alpha.toUpperCase());
}
function attrSnakeCase(name) {
return name.replace(/[A-Z]/g, match => `-${match.toLowerCase()}`);
}
exports.implementation = class DOMStringMapImpl {
constructor(globalObject, args, privateData) {
this._globalObject = globalObject;
this._element = privateData.element;
}
get [idlUtils.supportedPropertyNames]() {
const result = new Set();
const { attributes } = this._element;
for (let i = 0; i < attributes.length; i++) {
const attr = attributes.item(i);
const matches = dataAttrRe.exec(attr.localName);
if (matches) {
result.add(attrCamelCase(matches[1]));
}
}
return result;
}
[idlUtils.namedGet](name) {
const { attributes } = this._element;
for (let i = 0; i < attributes.length; i++) {
const attr = attributes.item(i);
const matches = dataAttrRe.exec(attr.localName);
if (matches && attrCamelCase(matches[1]) === name) {
return attr.value;
}
}
return undefined;
}
[idlUtils.namedSetNew](name, value) {
if (/-[a-z]/.test(name)) {
throw DOMException.create(this._globalObject, [
`'${name}' is not a valid property name`,
"SyntaxError"
]);
}
name = `data-${attrSnakeCase(name)}`;
validateName(this._globalObject, name);
setAttributeValue(this._element, name, value);
}
[idlUtils.namedSetExisting](name, value) {
this[idlUtils.namedSetNew](name, value);
}
[idlUtils.namedDelete](name) {
name = `data-${attrSnakeCase(name)}`;
removeAttributeByName(this._element, name);
}
};
Version data entries
26 entries across 26 versions & 1 rubygems