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import SSVGProperty from './SSVGProperty';
import { isNil } from './utils';
import { parseInitial, parseString } from './parser/values';
import { parseList } from './parser/utils';
/**
* @typedef {import('./SSVGState').default} SSVGState
*/
export default class SSVGPropertyEnum extends SSVGProperty {
/**
* @param {SSVGState} ssvg
* @param {Element} element
*/
constructor(ssvg /*: SSVGState */, element /*: Element */) {
super(ssvg, element);
const values = element.getAttribute('values');
Iif (!values) {
throw new SyntaxError('values missing on enum property');
}
this.values = parseList({ index: 0, value: values }, parseString);
Iif (this.values.length === 0) {
throw new SyntaxError('invalid values property on enum: ' + values);
}
/** @type {{ [key: string]: number }} */
this.range = {};
const count = this.values.length;
if (count === 1) {
this.range[this.values[0]] = 0;
}
else {
for (let i = 0; i < count; ++i) {
this.range[this.values[i]] = i / (count - 1);
}
}
this._value = this.values[0];
const initial = element.getAttribute('initial');
if (!isNil(initial)) {
this._value = parseInitial(initial);
}
for (let i = 0; i < this.relations.length; ++i) {
this.relations[i].setInitial(this);
}
}
/**
* @param {string?=} value
* @return {number}
*/
normalize(value) {
Eif (isNil(value)) {
// @ts-ignore
return this.range[this._value];
}
return this.range[value];
}
/** @param {string|any} value */
set value(value) {
Eif (!isNil(this.range[value])) {
super.value = value;
}
}
/** @return {string|any} */
get value() {
return super.value;
}
}
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