mirror of
https://github.com/svg/svgo.git
synced 2025-04-19 10:22:15 +03:00
75ec2943b0
* @rollup/plugin-node-resolve ^11.2.0 → ^11.2.1 * @types/jest ^27.0.0 → ^27.0.1 * colorette ^1.2.2 → ^1.3.0 * commander ^7.1.0 → ^7.2.0 * css-tree ^1.1.2 → ^1.1.3 * eslint ^7.22.0 → ^7.32.0 * playwright ^1.9.2 → ^1.14.0 * prettier ^2.2.1 → ^2.3.2 * rollup ^2.42.1 → ^2.56.2 * typescript ^4.2.3 → ^4.3.5
136 lines
3.5 KiB
JavaScript
136 lines
3.5 KiB
JavaScript
'use strict';
|
|
|
|
const { removeLeadingZero } = require('../lib/svgo/tools.js');
|
|
|
|
exports.name = 'cleanupListOfValues';
|
|
exports.type = 'visitor';
|
|
exports.active = false;
|
|
exports.description = 'rounds list of values to the fixed precision';
|
|
|
|
const regNumericValues =
|
|
/^([-+]?\d*\.?\d+([eE][-+]?\d+)?)(px|pt|pc|mm|cm|m|in|ft|em|ex|%)?$/;
|
|
const regSeparator = /\s+,?\s*|,\s*/;
|
|
const absoluteLengths = {
|
|
// relative to px
|
|
cm: 96 / 2.54,
|
|
mm: 96 / 25.4,
|
|
in: 96,
|
|
pt: 4 / 3,
|
|
pc: 16,
|
|
};
|
|
|
|
/**
|
|
* Round list of values to the fixed precision.
|
|
*
|
|
* @example
|
|
* <svg viewBox="0 0 200.28423 200.28423" enable-background="new 0 0 200.28423 200.28423">
|
|
* ⬇
|
|
* <svg viewBox="0 0 200.284 200.284" enable-background="new 0 0 200.284 200.284">
|
|
*
|
|
*
|
|
* <polygon points="208.250977 77.1308594 223.069336 ... "/>
|
|
* ⬇
|
|
* <polygon points="208.251 77.131 223.069 ... "/>
|
|
*
|
|
*
|
|
* @author kiyopikko
|
|
*/
|
|
exports.fn = (root, params) => {
|
|
const {
|
|
floatPrecision = 3,
|
|
leadingZero = true,
|
|
defaultPx = true,
|
|
convertToPx = true,
|
|
} = params;
|
|
|
|
const roundValues = (lists) => {
|
|
const roundedList = [];
|
|
|
|
for (const elem of lists.split(regSeparator)) {
|
|
const match = elem.match(regNumericValues);
|
|
const matchNew = elem.match(/new/);
|
|
|
|
// if attribute value matches regNumericValues
|
|
if (match) {
|
|
// round it to the fixed precision
|
|
let num = Number(Number(match[1]).toFixed(floatPrecision));
|
|
let units = match[3] || '';
|
|
|
|
// convert absolute values to pixels
|
|
if (convertToPx && units && units in absoluteLengths) {
|
|
const pxNum = Number(
|
|
(absoluteLengths[units] * match[1]).toFixed(floatPrecision)
|
|
);
|
|
|
|
if (pxNum.toString().length < match[0].length) {
|
|
num = pxNum;
|
|
units = 'px';
|
|
}
|
|
}
|
|
|
|
// and remove leading zero
|
|
if (leadingZero) {
|
|
num = removeLeadingZero(num);
|
|
}
|
|
|
|
// remove default 'px' units
|
|
if (defaultPx && units === 'px') {
|
|
units = '';
|
|
}
|
|
|
|
roundedList.push(num + units);
|
|
}
|
|
// if attribute value is "new"(only enable-background).
|
|
else if (matchNew) {
|
|
roundedList.push('new');
|
|
} else if (elem) {
|
|
roundedList.push(elem);
|
|
}
|
|
}
|
|
|
|
return roundedList.join(' ');
|
|
};
|
|
|
|
return {
|
|
element: {
|
|
enter: (node) => {
|
|
if (node.attributes.points != null) {
|
|
node.attributes.points = roundValues(node.attributes.points);
|
|
}
|
|
|
|
if (node.attributes['enable-background'] != null) {
|
|
node.attributes['enable-background'] = roundValues(
|
|
node.attributes['enable-background']
|
|
);
|
|
}
|
|
|
|
if (node.attributes.viewBox != null) {
|
|
node.attributes.viewBox = roundValues(node.attributes.viewBox);
|
|
}
|
|
|
|
if (node.attributes['stroke-dasharray'] != null) {
|
|
node.attributes['stroke-dasharray'] = roundValues(
|
|
node.attributes['stroke-dasharray']
|
|
);
|
|
}
|
|
|
|
if (node.attributes.dx != null) {
|
|
node.attributes.dx = roundValues(node.attributes.dx);
|
|
}
|
|
|
|
if (node.attributes.dy != null) {
|
|
node.attributes.dy = roundValues(node.attributes.dy);
|
|
}
|
|
|
|
if (node.attributes.x != null) {
|
|
node.attributes.x = roundValues(node.attributes.x);
|
|
}
|
|
|
|
if (node.attributes.y != null) {
|
|
node.attributes.y = roundValues(node.attributes.y);
|
|
}
|
|
},
|
|
},
|
|
};
|
|
};
|