@wordpress/components
Version:
UI components for WordPress.
111 lines (108 loc) • 3.49 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getGradientAstWithControlPoints = getGradientAstWithControlPoints;
exports.getGradientAstWithDefault = getGradientAstWithDefault;
exports.getLinearGradientRepresentation = getLinearGradientRepresentation;
exports.getStopCssColor = getStopCssColor;
var _gradientParser = _interopRequireDefault(require("gradient-parser"));
var _colord = require("colord");
var _names = _interopRequireDefault(require("colord/plugins/names"));
var _constants = require("./constants");
var _serializer = require("./serializer");
/**
* External dependencies
*/
/**
* Internal dependencies
*/
(0, _colord.extend)([_names.default]);
function getLinearGradientRepresentation(gradientAST) {
return (0, _serializer.serializeGradient)({
type: 'linear-gradient',
orientation: _constants.HORIZONTAL_GRADIENT_ORIENTATION,
colorStops: gradientAST.colorStops
});
}
function hasUnsupportedLength(item) {
return item.length === undefined || item.length.type !== '%';
}
function getGradientAstWithDefault(value) {
// gradientAST will contain the gradient AST as parsed by gradient-parser npm module.
// More information of its structure available at https://www.npmjs.com/package/gradient-parser#ast.
let gradientAST;
let hasGradient = !!value;
const valueToParse = value !== null && value !== void 0 ? value : _constants.DEFAULT_GRADIENT;
try {
gradientAST = _gradientParser.default.parse(valueToParse)[0];
} catch (error) {
// eslint-disable-next-line no-console
console.warn('wp.components.CustomGradientPicker failed to parse the gradient with error', error);
gradientAST = _gradientParser.default.parse(_constants.DEFAULT_GRADIENT)[0];
hasGradient = false;
}
if (!Array.isArray(gradientAST.orientation) && gradientAST.orientation?.type === 'directional') {
gradientAST.orientation = {
type: 'angular',
value: _constants.DIRECTIONAL_ORIENTATION_ANGLE_MAP[gradientAST.orientation.value].toString()
};
}
if (gradientAST.colorStops.some(hasUnsupportedLength)) {
const {
colorStops
} = gradientAST;
const step = 100 / (colorStops.length - 1);
colorStops.forEach((stop, index) => {
stop.length = {
value: `${step * index}`,
type: '%'
};
});
}
return {
gradientAST,
hasGradient
};
}
function getGradientAstWithControlPoints(gradientAST, newControlPoints) {
return {
...gradientAST,
colorStops: newControlPoints.map(({
position,
color
}) => {
const {
r,
g,
b,
a
} = (0, _colord.colord)(color).toRgb();
return {
length: {
type: '%',
value: position?.toString()
},
type: a < 1 ? 'rgba' : 'rgb',
value: a < 1 ? [`${r}`, `${g}`, `${b}`, `${a}`] : [`${r}`, `${g}`, `${b}`]
};
})
};
}
function getStopCssColor(colorStop) {
switch (colorStop.type) {
case 'hex':
return `#${colorStop.value}`;
case 'literal':
return colorStop.value;
case 'rgb':
case 'rgba':
return `${colorStop.type}(${colorStop.value.join(',')})`;
default:
// Should be unreachable if passing an AST from gradient-parser.
// See https://github.com/rafaelcaricio/gradient-parser#ast.
return 'transparent';
}
}
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