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Diffstat (limited to 'node_modules/postcss-svgo/dist/index.js')
| -rw-r--r-- | node_modules/postcss-svgo/dist/index.js | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/node_modules/postcss-svgo/dist/index.js b/node_modules/postcss-svgo/dist/index.js new file mode 100644 index 00000000..466a6356 --- /dev/null +++ b/node_modules/postcss-svgo/dist/index.js @@ -0,0 +1,108 @@ +'use strict'; + +exports.__esModule = true; + +var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; + +var _postcss = require('postcss'); + +var _postcss2 = _interopRequireDefault(_postcss); + +var _postcssValueParser = require('postcss-value-parser'); + +var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser); + +var _svgo = require('svgo'); + +var _svgo2 = _interopRequireDefault(_svgo); + +var _isSvg = require('is-svg'); + +var _isSvg2 = _interopRequireDefault(_isSvg); + +var _url = require('./lib/url'); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var PLUGIN = 'postcss-svgo'; +var dataURI = /data:image\/svg\+xml(;(charset=)?utf-8)?,/; + +function minifyPromise(svgo, decl, opts) { + var promises = []; + + decl.value = (0, _postcssValueParser2.default)(decl.value).walk(function (node) { + if (node.type !== 'function' || node.value !== 'url' || !node.nodes.length) { + return; + } + var value = node.nodes[0].value; + + var decodedUri = void 0, + isUriEncoded = void 0; + + try { + decodedUri = (0, _url.decode)(value); + isUriEncoded = decodedUri !== value; + } catch (e) { + // Swallow exception if we cannot decode the value + isUriEncoded = false; + } + + if (isUriEncoded) { + value = decodedUri; + } + if (opts.encode !== undefined) { + isUriEncoded = opts.encode; + } + + var svg = value.replace(dataURI, ''); + + if (!(0, _isSvg2.default)(svg)) { + return; + } + + promises.push(new Promise(function (resolve, reject) { + return svgo.optimize(svg, function (result) { + if (result.error) { + return reject(PLUGIN + ': ' + result.error); + } + var data = isUriEncoded ? (0, _url.encode)(result.data) : result.data; + // Should always encode # otherwise we yield a broken SVG + // in Firefox (works in Chrome however). See this issue: + // https://github.com/ben-eb/cssnano/issues/245 + data = data.replace(/#/g, '%23'); + node.nodes[0] = _extends({}, node.nodes[0], { + value: 'data:image/svg+xml;charset=utf-8,' + data, + quote: isUriEncoded ? '"' : '\'', + type: 'string', + before: '', + after: '' + }); + return resolve(); + }); + })); + + return false; + }); + + return Promise.all(promises).then(function () { + return decl.value = decl.value.toString(); + }); +} + +exports.default = _postcss2.default.plugin(PLUGIN, function () { + var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + + var svgo = new _svgo2.default(opts); + return function (css) { + return new Promise(function (resolve, reject) { + var promises = []; + css.walkDecls(function (decl) { + if (dataURI.test(decl.value)) { + promises.push(minifyPromise(svgo, decl, opts)); + } + }); + return Promise.all(promises).then(resolve, reject); + }); + }; +}); +module.exports = exports['default'];
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