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Convert convertPathData to visitor

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This commit is contained in:
Bogdan Chadkin
2021-03-29 11:01:13 +03:00
parent 06110b4fc0
commit 3d79f57a10
3 changed files with 49 additions and 45 deletions
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92
plugins/convertPathData.js
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@ -6,10 +6,8 @@ const { path2js, js2path } = require('./_path.js');
const { applyTransforms } = require('./_applyTransforms.js');
const { cleanupOutData } = require('../lib/svgo/tools');
exports.type = 'perItem';
exports.type = 'visitor';
exports.active = true;
exports.description =
'optimizes path data: writes in shorter form, applies transformations';
@ -56,55 +54,59 @@ let arcTolerance;
*
* @author Kir Belevich
*/
exports.fn = function (item, params) {
if (
item.type === 'element' &&
pathElems.includes(item.name) &&
item.attributes.d != null
) {
const computedStyle = computeStyle(item);
precision = params.floatPrecision;
error =
precision !== false ? +Math.pow(0.1, precision).toFixed(precision) : 1e-2;
roundData = precision > 0 && precision < 20 ? strongRound : round;
if (params.makeArcs) {
arcThreshold = params.makeArcs.threshold;
arcTolerance = params.makeArcs.tolerance;
}
const hasMarkerMid = computedStyle['marker-mid'] != null;
exports.fn = (root, params) => {
return {
element: {
enter: (node) => {
if (pathElems.includes(node.name) && node.attributes.d != null) {
const computedStyle = computeStyle(node);
precision = params.floatPrecision;
error =
precision !== false
? +Math.pow(0.1, precision).toFixed(precision)
: 1e-2;
roundData = precision > 0 && precision < 20 ? strongRound : round;
if (params.makeArcs) {
arcThreshold = params.makeArcs.threshold;
arcTolerance = params.makeArcs.tolerance;
}
const hasMarkerMid = computedStyle['marker-mid'] != null;
const maybeHasStroke =
computedStyle.stroke &&
(computedStyle.stroke.type === 'dynamic' ||
computedStyle.stroke.value !== 'none');
const maybeHasLinecap =
computedStyle['stroke-linecap'] &&
(computedStyle['stroke-linecap'].type === 'dynamic' ||
computedStyle['stroke-linecap'].value !== 'butt');
const maybeHasStrokeAndLinecap = maybeHasStroke && maybeHasLinecap;
const maybeHasStroke =
computedStyle.stroke &&
(computedStyle.stroke.type === 'dynamic' ||
computedStyle.stroke.value !== 'none');
const maybeHasLinecap =
computedStyle['stroke-linecap'] &&
(computedStyle['stroke-linecap'].type === 'dynamic' ||
computedStyle['stroke-linecap'].value !== 'butt');
const maybeHasStrokeAndLinecap = maybeHasStroke && maybeHasLinecap;
var data = path2js(item);
var data = path2js(node);
// TODO: get rid of functions returns
if (data.length) {
if (params.applyTransforms) {
applyTransforms(item, data, params);
}
// TODO: get rid of functions returns
if (data.length) {
if (params.applyTransforms) {
applyTransforms(node, data, params);
}
convertToRelative(data);
convertToRelative(data);
data = filters(data, params, {
maybeHasStrokeAndLinecap,
hasMarkerMid,
});
data = filters(data, params, {
maybeHasStrokeAndLinecap,
hasMarkerMid,
});
if (params.utilizeAbsolute) {
data = convertToMixed(data, params);
}
if (params.utilizeAbsolute) {
data = convertToMixed(data, params);
}
js2path(item, data, params);
}
}
js2path(node, data, params);
}
}
},
},
};
};
/**