happy-dom
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Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
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JavaScript
import * as PropertySymbol from '../PropertySymbol.js';
import SVGMatrix from './SVGMatrix.js';
import SVGTransformTypeEnum from './SVGTransformTypeEnum.js';
const TRANSFORM_REGEXP = /([a-zA-Z0-9]+)\(([^)]+)\)/;
const TRANSFORM_PARAMETER_SPLIT_REGEXP = /[\s,]+/;
/**
* SVG transform.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/SVGTransform
*/
export default class SVGTransform {
static SVG_TRANSFORM_UNKNOWN = SVGTransformTypeEnum.unknown;
static SVG_TRANSFORM_MATRIX = SVGTransformTypeEnum.matrix;
static SVG_TRANSFORM_TRANSLATE = SVGTransformTypeEnum.translate;
static SVG_TRANSFORM_SCALE = SVGTransformTypeEnum.scale;
static SVG_TRANSFORM_ROTATE = SVGTransformTypeEnum.rotate;
static SVG_TRANSFORM_SKEWX = SVGTransformTypeEnum.skewX;
static SVG_TRANSFORM_SKEWY = SVGTransformTypeEnum.skewY;
// Internal properties
[PropertySymbol.window];
[PropertySymbol.getAttribute];
[PropertySymbol.setAttribute];
[PropertySymbol.attributeValue] = null;
[PropertySymbol.readOnly] = false;
[PropertySymbol.matrix] = null;
/**
* Constructor.
*
* @param illegalConstructorSymbol Illegal constructor symbol.
* @param window Window.
* @param [options] Options.
* @param [options.readOnly] Read only.
* @param [options.getAttribute] Get attribute.
* @param [options.setAttribute] Set attribute.
*/
constructor(illegalConstructorSymbol, window, options) {
if (illegalConstructorSymbol !== PropertySymbol.illegalConstructor) {
throw new TypeError('Illegal constructor');
}
this[PropertySymbol.window] = window;
if (options) {
this[PropertySymbol.readOnly] = !!options.readOnly;
this[PropertySymbol.getAttribute] = options.getAttribute || null;
this[PropertySymbol.setAttribute] = options.setAttribute || null;
}
}
/**
* Returns type.
*
* @returns Type.
*/
get type() {
const attributeValue = this[PropertySymbol.getAttribute]
? this[PropertySymbol.getAttribute]()
: this[PropertySymbol.attributeValue];
const match = attributeValue?.match(TRANSFORM_REGEXP);
if (!match) {
return SVGTransformTypeEnum.unknown;
}
switch (match[1]) {
case 'matrix':
return SVGTransformTypeEnum.matrix;
case 'translate':
return SVGTransformTypeEnum.translate;
case 'rotate':
return SVGTransformTypeEnum.rotate;
case 'scale':
return SVGTransformTypeEnum.scale;
case 'skewX':
return SVGTransformTypeEnum.skewX;
case 'skewY':
return SVGTransformTypeEnum.skewY;
}
return 0;
}
/**
* Returns angle.
*
* @returns Angle.
*/
get angle() {
const attributeValue = this[PropertySymbol.getAttribute]
? this[PropertySymbol.getAttribute]()
: this[PropertySymbol.attributeValue];
const match = attributeValue?.match(TRANSFORM_REGEXP);
if (!match) {
return 0;
}
const angle = parseFloat(match[2].trim().split(TRANSFORM_PARAMETER_SPLIT_REGEXP)[0]);
if (isNaN(angle)) {
return 0;
}
switch (match[1]) {
case 'rotate':
case 'skewX':
case 'skewY':
return angle;
}
return 0;
}
/**
* Returns matrix.
*
* @returns Matrix.
*/
get matrix() {
if (!this[PropertySymbol.matrix]) {
this[PropertySymbol.matrix] = new SVGMatrix(PropertySymbol.illegalConstructor, this[PropertySymbol.window], {
readOnly: this[PropertySymbol.readOnly],
getAttribute: () => {
if (this[PropertySymbol.getAttribute]) {
return this[PropertySymbol.getAttribute]();
}
return this[PropertySymbol.attributeValue];
},
setAttribute: (value) => {
this[PropertySymbol.attributeValue] = value;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](value);
return;
}
}
});
}
return this[PropertySymbol.matrix];
}
/**
* Set matrix.
*
* @param matrix Matrix.
*/
setMatrix(matrix) {
if (!(matrix instanceof SVGMatrix)) {
throw new TypeError('Failed to set the "matrix" property on "SVGTransform": The provided value is not of type "SVGMatrix".');
}
if (this[PropertySymbol.readOnly]) {
return;
}
if (this[PropertySymbol.matrix]) {
this[PropertySymbol.matrix][PropertySymbol.getAttribute] = null;
this[PropertySymbol.matrix][PropertySymbol.setAttribute] = null;
}
matrix[PropertySymbol.getAttribute] = () => {
if (this[PropertySymbol.getAttribute]) {
return this[PropertySymbol.getAttribute]();
}
return this[PropertySymbol.attributeValue];
};
matrix[PropertySymbol.setAttribute] = (value) => {
this[PropertySymbol.attributeValue] = value;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](value);
return;
}
};
this[PropertySymbol.matrix] = matrix;
if (matrix[PropertySymbol.attributeValue] !== this[PropertySymbol.attributeValue]) {
this[PropertySymbol.attributeValue] = matrix[PropertySymbol.attributeValue];
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
}
/**
* Set translate.
*
* @param x X.
* @param y Y.
*/
setTranslate(x, y) {
if (arguments.length < 2) {
throw new TypeError(`Failed to execute 'setTranslate' on 'SVGTransform': 2 arguments required, but only ${arguments.length} present.`);
}
x = Number(x);
y = Number(y);
if (isNaN(x) || isNaN(y)) {
throw new TypeError(`Failed to execute 'setTranslate' on 'SVGTransform': The provided float value is non-finite.`);
}
if (this[PropertySymbol.readOnly]) {
return;
}
this[PropertySymbol.attributeValue] = `translate(${x} ${y})`;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
/**
* Set scale.
*
* @param x X.
* @param y Y.
*/
setScale(x, y) {
if (arguments.length < 2) {
throw new TypeError(`Failed to execute 'setScale' on 'SVGTransform': 2 arguments required, but only ${arguments.length} present.`);
}
x = Number(x);
y = Number(y);
if (isNaN(x) || isNaN(y)) {
throw new TypeError(`Failed to execute 'setScale' on 'SVGTransform': The provided float value is non-finite.`);
}
if (this[PropertySymbol.readOnly]) {
return;
}
this[PropertySymbol.attributeValue] = `scale(${x} ${y})`;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
/**
* Set rotate.
*
* @param angle Angle.
* @param x X.
* @param y Y.
*/
setRotate(angle, x, y) {
if (arguments.length < 3) {
throw new TypeError(`Failed to execute 'setRotate' on 'SVGTransform': 3 arguments required, but only ${arguments.length} present.`);
}
angle = Number(angle);
x = Number(x);
y = Number(y);
if (isNaN(angle) || isNaN(x) || isNaN(y)) {
throw new TypeError(`Failed to execute 'setRotate' on 'SVGTransform': The provided float value is non-finite.`);
}
if (this[PropertySymbol.readOnly]) {
return;
}
this[PropertySymbol.attributeValue] = `rotate(${angle} ${x} ${y})`;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
/**
* Set skew x.
*
* @param angle Angle.
*/
setSkewX(angle) {
if (arguments.length < 1) {
throw new TypeError(`Failed to execute 'setSkewX' on 'SVGTransform': 1 arguments required, but only ${arguments.length} present.`);
}
angle = Number(angle);
if (isNaN(angle)) {
throw new TypeError(`Failed to execute 'setSkewX' on 'SVGTransform': The provided float value is non-finite.`);
}
if (this[PropertySymbol.readOnly]) {
return;
}
this[PropertySymbol.attributeValue] = `skewX(${angle})`;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
/**
* Set skew y.
*
* @param angle Angle.
*/
setSkewY(angle) {
if (arguments.length < 1) {
throw new TypeError(`Failed to execute 'setSkewY' on 'SVGTransform': 1 arguments required, but only ${arguments.length} present.`);
}
angle = Number(angle);
if (isNaN(angle)) {
throw new TypeError(`Failed to execute 'setSkewY' on 'SVGTransform': The provided float value is non-finite.`);
}
if (this[PropertySymbol.readOnly]) {
return;
}
this[PropertySymbol.attributeValue] = `skewY(${angle})`;
if (this[PropertySymbol.setAttribute]) {
this[PropertySymbol.setAttribute](this[PropertySymbol.attributeValue]);
}
}
}
//# sourceMappingURL=SVGTransform.js.map