120 lines
2.5 KiB
JavaScript
120 lines
2.5 KiB
JavaScript
'use strict';
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var ELEM_SEP = ':';
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exports.type = 'perItem';
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exports.active = false;
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exports.description = 'removes specified attributes';
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exports.params = {
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attrs: []
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};
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/**
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* Remove attributes
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*
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* @param attrs:
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*
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* format: [ element* : attribute* ]
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*
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* element : regexp (wrapped into ^...$), single * or omitted > all elements
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* attribute : regexp (wrapped into ^...$)
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*
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* examples:
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*
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* > basic: remove fill attribute
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* ---
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* removeAttrs:
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* attrs: 'fill'
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*
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* > remove fill attribute on path element
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* ---
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* attrs: 'path:fill'
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*
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*
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* > remove all fill and stroke attribute
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* ---
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* attrs:
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* - 'fill'
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* - 'stroke'
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*
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* [is same as]
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*
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* attrs: '(fill|stroke)'
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*
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* [is same as]
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*
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* attrs: '*:(fill|stroke)'
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*
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* [is same as]
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*
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* attrs: '.*:(fill|stroke)'
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*
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*
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* > remove all stroke related attributes
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* ----
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* attrs: 'stroke.*'
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*
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*
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* @param {Object} item current iteration item
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* @param {Object} params plugin params
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* @return {Boolean} if false, item will be filtered out
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*
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* @author Benny Schudel
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*/
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exports.fn = function(item, params) {
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// wrap into an array if params is not
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if (!Array.isArray(params.attrs)) {
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params.attrs = [params.attrs];
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}
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if (item.isElem()) {
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// prepare patterns
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var patterns = params.attrs.map(function(pattern) {
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// apply to all elements if specifc element is omitted
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if (pattern.indexOf(ELEM_SEP) === -1) {
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pattern = ['.*', ELEM_SEP, pattern].join('');
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}
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// create regexps for element and attribute name
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return pattern.split(ELEM_SEP)
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.map(function(value) {
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// adjust single * to match anything
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if (value === '*') { value = '.*'; }
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return new RegExp(['^', value, '$'].join(''), 'i');
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});
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});
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// loop patterns
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patterns.forEach(function(pattern) {
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// matches element
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if (pattern[0].test(item.elem)) {
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// loop attributes
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item.eachAttr(function(attr) {
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var name = attr.name;
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// matches attribute name
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if (pattern[1].test(name)) {
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item.removeAttr(name);
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}
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});
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}
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});
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}
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};
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