site/node_modules/property-information/lib/util/defined-info.js

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2024-10-14 06:09:33 +00:00
import {Info} from './info.js'
import * as types from './types.js'
/** @type {Array<keyof types>} */
// @ts-expect-error: hush.
const checks = Object.keys(types)
export class DefinedInfo extends Info {
/**
* @constructor
* @param {string} property
* @param {string} attribute
* @param {number|null} [mask]
* @param {string} [space]
*/
constructor(property, attribute, mask, space) {
let index = -1
super(property, attribute)
mark(this, 'space', space)
if (typeof mask === 'number') {
while (++index < checks.length) {
const check = checks[index]
mark(this, checks[index], (mask & types[check]) === types[check])
}
}
}
}
DefinedInfo.prototype.defined = true
/**
* @param {DefinedInfo} values
* @param {string} key
* @param {unknown} value
*/
function mark(values, key, value) {
if (value) {
// @ts-expect-error: assume `value` matches the expected value of `key`.
values[key] = value
}
}