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Leaner CSS
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JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var dimension_1 = tslib_1.__importDefault(require("../tree/dimension"));
var color_1 = tslib_1.__importDefault(require("../tree/color"));
var expression_1 = tslib_1.__importDefault(require("../tree/expression"));
var quoted_1 = tslib_1.__importDefault(require("../tree/quoted"));
var url_1 = tslib_1.__importDefault(require("../tree/url"));
exports.default = (function () {
return { 'svg-gradient': function (direction) {
var stops;
var gradientDirectionSvg;
var gradientType = 'linear';
var rectangleDimension = 'x="0" y="0" width="1" height="1"';
var renderEnv = { compress: false };
var returner;
var directionValue = direction.toCSS(renderEnv);
var i;
var color;
var position;
var positionValue;
var alpha;
function throwArgumentDescriptor() {
throw { type: 'Argument',
message: 'svg-gradient expects direction, start_color [start_position], [color position,]...,' +
' end_color [end_position] or direction, color list' };
}
if (arguments.length == 2) {
if (arguments[1].value.length < 2) {
throwArgumentDescriptor();
}
stops = arguments[1].value;
}
else if (arguments.length < 3) {
throwArgumentDescriptor();
}
else {
stops = Array.prototype.slice.call(arguments, 1);
}
switch (directionValue) {
case 'to bottom':
gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"';
break;
case 'to right':
gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"';
break;
case 'to bottom right':
gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"';
break;
case 'to top right':
gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"';
break;
case 'ellipse':
case 'ellipse at center':
gradientType = 'radial';
gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"';
rectangleDimension = 'x="-50" y="-50" width="101" height="101"';
break;
default:
throw { type: 'Argument', message: 'svg-gradient direction must be \'to bottom\', \'to right\',' +
' \'to bottom right\', \'to top right\' or \'ellipse at center\'' };
}
returner = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 1 1\"><".concat(gradientType, "Gradient id=\"g\" ").concat(gradientDirectionSvg, ">");
for (i = 0; i < stops.length; i += 1) {
if (stops[i] instanceof expression_1.default) {
color = stops[i].value[0];
position = stops[i].value[1];
}
else {
color = stops[i];
position = undefined;
}
if (!(color instanceof color_1.default) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof dimension_1.default))) {
throwArgumentDescriptor();
}
positionValue = position ? position.toCSS(renderEnv) : i === 0 ? '0%' : '100%';
alpha = color.alpha;
returner += "<stop offset=\"".concat(positionValue, "\" stop-color=\"").concat(color.toRGB(), "\"").concat(alpha < 1 ? " stop-opacity=\"".concat(alpha, "\"") : '', "/>");
}
returner += "</".concat(gradientType, "Gradient><rect ").concat(rectangleDimension, " fill=\"url(#g)\" /></svg>");
returner = encodeURIComponent(returner);
returner = "data:image/svg+xml,".concat(returner);
return new url_1.default(new quoted_1.default("'".concat(returner, "'"), returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo);
} };
});
//# sourceMappingURL=svg.js.map
;