92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var tslib_1 = require("tslib");
|
|
var contexts_1 = tslib_1.__importDefault(require("./contexts"));
|
|
var visitors_1 = tslib_1.__importDefault(require("./visitors"));
|
|
var tree_1 = tslib_1.__importDefault(require("./tree"));
|
|
function default_1(root, options) {
|
|
options = options || {};
|
|
var evaldRoot;
|
|
var variables = options.variables;
|
|
var evalEnv = new contexts_1.default.Eval(options);
|
|
//
|
|
// Allows setting variables with a hash, so:
|
|
//
|
|
// `{ color: new tree.Color('#f01') }` will become:
|
|
//
|
|
// new tree.Declaration('@color',
|
|
// new tree.Value([
|
|
// new tree.Expression([
|
|
// new tree.Color('#f01')
|
|
// ])
|
|
// ])
|
|
// )
|
|
//
|
|
if (typeof variables === 'object' && !Array.isArray(variables)) {
|
|
variables = Object.keys(variables).map(function (k) {
|
|
var value = variables[k];
|
|
if (!(value instanceof tree_1.default.Value)) {
|
|
if (!(value instanceof tree_1.default.Expression)) {
|
|
value = new tree_1.default.Expression([value]);
|
|
}
|
|
value = new tree_1.default.Value([value]);
|
|
}
|
|
return new tree_1.default.Declaration("@" + k, value, false, null, 0);
|
|
});
|
|
evalEnv.frames = [new tree_1.default.Ruleset(null, variables)];
|
|
}
|
|
var visitors = [
|
|
new visitors_1.default.JoinSelectorVisitor(),
|
|
new visitors_1.default.MarkVisibleSelectorsVisitor(true),
|
|
new visitors_1.default.ExtendVisitor(),
|
|
new visitors_1.default.ToCSSVisitor({ compress: Boolean(options.compress) })
|
|
];
|
|
var preEvalVisitors = [];
|
|
var v;
|
|
var visitorIterator;
|
|
/**
|
|
* first() / get() allows visitors to be added while visiting
|
|
*
|
|
* @todo Add scoping for visitors just like functions for @plugin; right now they're global
|
|
*/
|
|
if (options.pluginManager) {
|
|
visitorIterator = options.pluginManager.visitor();
|
|
for (var i = 0; i < 2; i++) {
|
|
visitorIterator.first();
|
|
while ((v = visitorIterator.get())) {
|
|
if (v.isPreEvalVisitor) {
|
|
if (i === 0 || preEvalVisitors.indexOf(v) === -1) {
|
|
preEvalVisitors.push(v);
|
|
v.run(root);
|
|
}
|
|
}
|
|
else {
|
|
if (i === 0 || visitors.indexOf(v) === -1) {
|
|
if (v.isPreVisitor) {
|
|
visitors.unshift(v);
|
|
}
|
|
else {
|
|
visitors.push(v);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
evaldRoot = root.eval(evalEnv);
|
|
for (var i = 0; i < visitors.length; i++) {
|
|
visitors[i].run(evaldRoot);
|
|
}
|
|
// Run any remaining visitors added after eval pass
|
|
if (options.pluginManager) {
|
|
visitorIterator.first();
|
|
while ((v = visitorIterator.get())) {
|
|
if (visitors.indexOf(v) === -1 && preEvalVisitors.indexOf(v) === -1) {
|
|
v.run(evaldRoot);
|
|
}
|
|
}
|
|
}
|
|
return evaldRoot;
|
|
}
|
|
exports.default = default_1;
|
|
//# sourceMappingURL=transform-tree.js.map
|