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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/svgo/plugins/cleanupListOfValues.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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-rw-r--r--node_modules/svgo/plugins/cleanupListOfValues.js141
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diff --git a/node_modules/svgo/plugins/cleanupListOfValues.js b/node_modules/svgo/plugins/cleanupListOfValues.js
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+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = false;
+
+exports.description = 'rounds list of values to the fixed precision';
+
+exports.params = {
+ floatPrecision: 3,
+ leadingZero: true,
+ defaultPx: true,
+ convertToPx: true
+};
+
+var regNumericValues = /^([\-+]?\d*\.?\d+([eE][\-+]?\d+)?)(px|pt|pc|mm|cm|m|in|ft|em|ex|%)?$/,
+ regSeparator = /\s+,?\s*|,\s*/,
+ removeLeadingZero = require('../lib/svgo/tools').removeLeadingZero,
+ absoluteLengths = { // relative to px
+ cm: 96/2.54,
+ mm: 96/25.4,
+ in: 96,
+ pt: 4/3,
+ pc: 16
+ };
+
+/**
+ * Round list of values to the fixed precision.
+ *
+ * @example
+ * <svg viewBox="0 0 200.28423 200.28423" enable-background="new 0 0 200.28423 200.28423">
+ * ⬇
+ * <svg viewBox="0 0 200.284 200.284" enable-background="new 0 0 200.284 200.284">
+ *
+ *
+ * <polygon points="208.250977 77.1308594 223.069336 ... "/>
+ * ⬇
+ * <polygon points="208.251 77.131 223.069 ... "/>
+ *
+ *
+ * @param {Object} item current iteration item
+ * @param {Object} params plugin params
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author kiyopikko
+ */
+exports.fn = function(item, params) {
+
+
+ if ( item.hasAttr('points') ) {
+ roundValues(item.attrs.points);
+ }
+
+ if ( item.hasAttr('enable-background') ) {
+ roundValues(item.attrs['enable-background']);
+ }
+
+ if ( item.hasAttr('viewBox') ) {
+ roundValues(item.attrs.viewBox);
+ }
+
+ if ( item.hasAttr('stroke-dasharray') ) {
+ roundValues(item.attrs['stroke-dasharray']);
+ }
+
+ if ( item.hasAttr('dx') ) {
+ roundValues(item.attrs.dx);
+ }
+
+ if ( item.hasAttr('dy') ) {
+ roundValues(item.attrs.dy);
+ }
+
+ if ( item.hasAttr('x') ) {
+ roundValues(item.attrs.x);
+ }
+
+ if ( item.hasAttr('y') ) {
+ roundValues(item.attrs.y);
+ }
+
+
+ function roundValues($prop){
+
+ var num, units,
+ match,
+ matchNew,
+ lists = $prop.value,
+ listsArr = lists.split(regSeparator),
+ roundedListArr = [],
+ roundedList;
+
+ listsArr.forEach(function(elem){
+
+ match = elem.match(regNumericValues);
+ matchNew = elem.match(/new/);
+
+ // if attribute value matches regNumericValues
+ if(match){
+
+ // round it to the fixed precision
+ num = +(+match[1]).toFixed(params.floatPrecision),
+ units = match[3] || '';
+
+ // convert absolute values to pixels
+ if (params.convertToPx && units && (units in absoluteLengths)) {
+ var pxNum = +(absoluteLengths[units] * match[1]).toFixed(params.floatPrecision);
+
+ if (String(pxNum).length < match[0].length)
+ num = pxNum,
+ units = 'px';
+ }
+
+ // and remove leading zero
+ if (params.leadingZero) {
+ num = removeLeadingZero(num);
+ }
+
+ // remove default 'px' units
+ if (params.defaultPx && units === 'px') {
+ units = '';
+ }
+
+ roundedListArr.push(num+units);
+
+ }
+ // if attribute value is "new"(only enable-background).
+ else if(matchNew){
+
+ roundedListArr.push('new');
+
+ }
+
+ });
+
+ roundedList = roundedListArr.join(' ');
+ $prop.value = roundedList;
+
+ }
+
+};