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34 lines
782 B
34 lines
782 B
const merge = require('merge-options'); |
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const { getRoot } = require('../utils'); |
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const defaultConfig = { |
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removeDimensions: false |
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}; |
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/** |
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* @param {Object} [config] {@see defaultConfig} |
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* @return {Function} PostHTML plugin |
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*/ |
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function normalizeViewBox(config = {}) { |
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const cfg = merge(defaultConfig, config); |
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return (tree) => { |
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const root = getRoot(tree); |
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root.attrs = root.attrs || {}; |
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const attrs = root.attrs; |
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const { width, height, viewBox } = attrs; |
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if (!viewBox && width && height) { |
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attrs.viewBox = `0 0 ${parseFloat(width).toString()} ${parseFloat(height).toString()}`; |
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if (cfg.removeDimensions) { |
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delete attrs.width; |
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delete attrs.height; |
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} |
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} |
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return tree; |
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}; |
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} |
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module.exports = normalizeViewBox;
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