89 lines
3 KiB
JavaScript
89 lines
3 KiB
JavaScript
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import * as PropertySymbol from '../PropertySymbol.js';
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const ATTRIBUTE_SEPARATOR_REGEXP = /[\t\f\n\r, ]+/;
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/**
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* SVG point.
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/API/SVGPoint
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*/
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export default class SVGPoint {
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// Internal properties
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[PropertySymbol.window];
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[PropertySymbol.getAttribute] = null;
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[PropertySymbol.setAttribute] = null;
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[PropertySymbol.attributeValue] = null;
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[PropertySymbol.readOnly] = false;
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/**
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* Constructor.
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*
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* @param illegalConstructorSymbol Illegal constructor symbol.
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* @param window Window.
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* @param [options] Options.
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* @param [options.readOnly] Read only.
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* @param [options.getAttribute] Get attribute.
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* @param [options.setAttribute] Set attribute
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*/
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constructor(illegalConstructorSymbol, window, options) {
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if (illegalConstructorSymbol !== PropertySymbol.illegalConstructor) {
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throw new TypeError('Illegal constructor');
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}
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this[PropertySymbol.window] = window;
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if (options) {
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this[PropertySymbol.readOnly] = !!options.readOnly;
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this[PropertySymbol.getAttribute] = options.getAttribute || null;
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this[PropertySymbol.setAttribute] = options.setAttribute || null;
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}
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}
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/**
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* Returns x.
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*
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* @returns X.
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*/
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get x() {
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const attributeValue = this[PropertySymbol.getAttribute]
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? this[PropertySymbol.getAttribute]()
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: this[PropertySymbol.attributeValue];
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const parts = (attributeValue || '').split(ATTRIBUTE_SEPARATOR_REGEXP);
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return !!parts[0] ? parseFloat(parts[0]) : 0;
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}
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/**
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* Sets x.
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*
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* @param value X.
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*/
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set x(value) {
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if (this[PropertySymbol.readOnly]) {
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throw new this[PropertySymbol.window].TypeError(`Failed to set the 'x' property on 'SVGPoint': The object is read-only.`);
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}
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this[PropertySymbol.attributeValue] = `${value} ${this.y}`;
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if (this[PropertySymbol.setAttribute]) {
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this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
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}
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}
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/**
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* Returns y.
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*
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* @returns Y.
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*/
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get y() {
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const attributeValue = this[PropertySymbol.getAttribute]
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? this[PropertySymbol.getAttribute]()
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: this[PropertySymbol.attributeValue];
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const parts = (attributeValue || '').split(ATTRIBUTE_SEPARATOR_REGEXP);
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return !!parts[1] ? parseFloat(parts[1]) : 0;
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}
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/**
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* Sets y.
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*
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* @param value Y.
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*/
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set y(value) {
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if (this[PropertySymbol.readOnly]) {
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throw new this[PropertySymbol.window].TypeError(`Failed to set the 'y' property on 'SVGPoint': The object is read-only.`);
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}
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this[PropertySymbol.attributeValue] = `${this.x} ${value}`;
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if (this[PropertySymbol.setAttribute]) {
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this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
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}
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}
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}
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//# sourceMappingURL=SVGPoint.js.map
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