web-deploy/node_modules/clean-css/lib/optimizer/restore-from-optimizing.js
2024-04-26 18:37:00 +01:00

79 lines
1.9 KiB
JavaScript

var Hack = require('./hack');
var Marker = require('../tokenizer/marker');
var ASTERISK_HACK = '*';
var BACKSLASH_HACK = '\\';
var IMPORTANT_TOKEN = '!important';
var UNDERSCORE_HACK = '_';
var BANG_HACK = '!ie';
function restoreFromOptimizing(properties, restoreCallback) {
var property;
var restored;
var current;
var i;
for (i = properties.length - 1; i >= 0; i--) {
property = properties[i];
if (property.dynamic && property.important) {
restoreImportant(property);
continue;
}
if (property.dynamic) {
continue;
}
if (property.unused) {
continue;
}
if (!property.dirty && !property.important && !property.hack) {
continue;
}
if (property.optimizable && restoreCallback) {
restored = restoreCallback(property);
property.value = restored;
} else {
restored = property.value;
}
if (property.important) {
restoreImportant(property);
}
if (property.hack) {
restoreHack(property);
}
if ('all' in property) {
current = property.all[property.position];
current[1][1] = property.name;
current.splice(2, current.length - 1);
Array.prototype.push.apply(current, restored);
}
}
}
function restoreImportant(property) {
property.value[property.value.length - 1][1] += IMPORTANT_TOKEN;
}
function restoreHack(property) {
if (property.hack[0] == Hack.UNDERSCORE) {
property.name = UNDERSCORE_HACK + property.name;
} else if (property.hack[0] == Hack.ASTERISK) {
property.name = ASTERISK_HACK + property.name;
} else if (property.hack[0] == Hack.BACKSLASH) {
property.value[property.value.length - 1][1] += BACKSLASH_HACK + property.hack[1];
} else if (property.hack[0] == Hack.BANG) {
property.value[property.value.length - 1][1] += Marker.SPACE + BANG_HACK;
}
}
module.exports = restoreFromOptimizing;