feather/bin/build-icons-object.js

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import path from 'path';
import cheerio from 'cheerio';
import { minify } from 'html-minifier';
/**
* Build an object in the format: `{ <name>: <contents> }`.
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* @param {string[]} svgFiles - A list of filenames.
* @param {Function} getSvg - A function that returns the contents of an SVG file given a filename.
* @returns {Object}
*/
function buildIconsObject(svgFiles, getSvg) {
return svgFiles
.map(svgFile => {
const name = path.basename(svgFile, '.svg');
const svg = getSvg(svgFile);
const contents = getSvgContents(svg);
return { name, contents };
})
.reduce((icons, icon) => {
icons[icon.name] = icon.contents;
return icons;
}, {});
}
/**
* Get contents between opening and closing `<svg>` tags.
* @param {string} svg
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* @returns {string}
*/
function getSvgContents(svg) {
const $ = cheerio.load(svg);
return minify($('svg').html(), { collapseWhitespace: true });
}
export default buildIconsObject;