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