96 lines
2.1 KiB
JavaScript
96 lines
2.1 KiB
JavaScript
"use strict";
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var browserslist = require('browserslist');
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var agents = require('caniuse-lite').agents;
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var utils = require('./utils');
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var Browsers = /*#__PURE__*/function () {
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/**
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* Return all prefixes for default browser data
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*/
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Browsers.prefixes = function prefixes() {
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if (this.prefixesCache) {
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return this.prefixesCache;
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}
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this.prefixesCache = [];
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for (var name in agents) {
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this.prefixesCache.push("-" + agents[name].prefix + "-");
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}
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this.prefixesCache = utils.uniq(this.prefixesCache).sort(function (a, b) {
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return b.length - a.length;
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});
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return this.prefixesCache;
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}
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/**
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* Check is value contain any possible prefix
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*/
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;
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Browsers.withPrefix = function withPrefix(value) {
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if (!this.prefixesRegexp) {
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this.prefixesRegexp = new RegExp(this.prefixes().join('|'));
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}
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return this.prefixesRegexp.test(value);
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};
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function Browsers(data, requirements, options, browserslistOpts) {
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this.data = data;
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this.options = options || {};
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this.browserslistOpts = browserslistOpts || {};
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this.selected = this.parse(requirements);
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}
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/**
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* Return browsers selected by requirements
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*/
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var _proto = Browsers.prototype;
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_proto.parse = function parse(requirements) {
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var opts = {};
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for (var i in this.browserslistOpts) {
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opts[i] = this.browserslistOpts[i];
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}
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opts.path = this.options.from;
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return browserslist(requirements, opts);
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}
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/**
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* Return prefix for selected browser
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*/
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;
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_proto.prefix = function prefix(browser) {
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var _browser$split = browser.split(' '),
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name = _browser$split[0],
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version = _browser$split[1];
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var data = this.data[name];
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var prefix = data.prefix_exceptions && data.prefix_exceptions[version];
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if (!prefix) {
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prefix = data.prefix;
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}
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return "-" + prefix + "-";
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}
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/**
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* Is browser is selected by requirements
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*/
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;
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_proto.isSelected = function isSelected(browser) {
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return this.selected.includes(browser);
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};
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return Browsers;
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}();
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module.exports = Browsers; |