336 lines
35 KiB
JavaScript
336 lines
35 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var defaultRaw = {
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colon: ': ',
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indent: ' ',
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beforeDecl: '\n',
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beforeRule: '\n',
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beforeOpen: ' ',
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beforeClose: '\n',
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beforeComment: '\n',
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after: '\n',
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emptyBody: '',
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commentLeft: ' ',
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commentRight: ' '
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};
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function capitalize(str) {
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return str[0].toUpperCase() + str.slice(1);
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}
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var Stringifier = function () {
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function Stringifier(builder) {
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_classCallCheck(this, Stringifier);
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this.builder = builder;
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}
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Stringifier.prototype.stringify = function stringify(node, semicolon) {
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this[node.type](node, semicolon);
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};
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Stringifier.prototype.root = function root(node) {
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this.body(node);
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if (node.raws.after) this.builder(node.raws.after);
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};
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Stringifier.prototype.comment = function comment(node) {
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var left = this.raw(node, 'left', 'commentLeft');
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var right = this.raw(node, 'right', 'commentRight');
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this.builder('/*' + left + node.text + right + '*/', node);
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};
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Stringifier.prototype.decl = function decl(node, semicolon) {
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var between = this.raw(node, 'between', 'colon');
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var string = node.prop + between + this.rawValue(node, 'value');
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if (node.important) {
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string += node.raws.important || ' !important';
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}
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if (semicolon) string += ';';
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this.builder(string, node);
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};
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Stringifier.prototype.rule = function rule(node) {
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this.block(node, this.rawValue(node, 'selector'));
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};
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Stringifier.prototype.atrule = function atrule(node, semicolon) {
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var name = '@' + node.name;
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var params = node.params ? this.rawValue(node, 'params') : '';
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if (typeof node.raws.afterName !== 'undefined') {
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name += node.raws.afterName;
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} else if (params) {
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name += ' ';
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}
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if (node.nodes) {
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this.block(node, name + params);
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} else {
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var end = (node.raws.between || '') + (semicolon ? ';' : '');
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this.builder(name + params + end, node);
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}
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};
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Stringifier.prototype.body = function body(node) {
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var last = node.nodes.length - 1;
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while (last > 0) {
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if (node.nodes[last].type !== 'comment') break;
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last -= 1;
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}
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var semicolon = this.raw(node, 'semicolon');
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for (var i = 0; i < node.nodes.length; i++) {
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var child = node.nodes[i];
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var before = this.raw(child, 'before');
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if (before) this.builder(before);
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this.stringify(child, last !== i || semicolon);
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}
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};
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Stringifier.prototype.block = function block(node, start) {
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var between = this.raw(node, 'between', 'beforeOpen');
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this.builder(start + between + '{', node, 'start');
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var after = void 0;
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if (node.nodes && node.nodes.length) {
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this.body(node);
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after = this.raw(node, 'after');
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} else {
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after = this.raw(node, 'after', 'emptyBody');
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}
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if (after) this.builder(after);
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this.builder('}', node, 'end');
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};
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Stringifier.prototype.raw = function raw(node, own, detect) {
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var value = void 0;
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if (!detect) detect = own;
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// Already had
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if (own) {
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value = node.raws[own];
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if (typeof value !== 'undefined') return value;
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}
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var parent = node.parent;
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// Hack for first rule in CSS
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if (detect === 'before') {
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if (!parent || parent.type === 'root' && parent.first === node) {
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return '';
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}
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}
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// Floating child without parent
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if (!parent) return defaultRaw[detect];
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// Detect style by other nodes
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var root = node.root();
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if (!root.rawCache) root.rawCache = {};
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if (typeof root.rawCache[detect] !== 'undefined') {
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return root.rawCache[detect];
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}
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if (detect === 'before' || detect === 'after') {
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return this.beforeAfter(node, detect);
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} else {
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var method = 'raw' + capitalize(detect);
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if (this[method]) {
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value = this[method](root, node);
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} else {
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root.walk(function (i) {
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value = i.raws[own];
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if (typeof value !== 'undefined') return false;
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});
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}
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}
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if (typeof value === 'undefined') value = defaultRaw[detect];
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root.rawCache[detect] = value;
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return value;
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};
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Stringifier.prototype.rawSemicolon = function rawSemicolon(root) {
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var value = void 0;
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root.walk(function (i) {
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if (i.nodes && i.nodes.length && i.last.type === 'decl') {
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value = i.raws.semicolon;
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if (typeof value !== 'undefined') return false;
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}
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});
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return value;
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};
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Stringifier.prototype.rawEmptyBody = function rawEmptyBody(root) {
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var value = void 0;
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root.walk(function (i) {
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if (i.nodes && i.nodes.length === 0) {
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value = i.raws.after;
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if (typeof value !== 'undefined') return false;
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}
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});
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return value;
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};
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Stringifier.prototype.rawIndent = function rawIndent(root) {
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if (root.raws.indent) return root.raws.indent;
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var value = void 0;
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root.walk(function (i) {
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var p = i.parent;
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if (p && p !== root && p.parent && p.parent === root) {
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if (typeof i.raws.before !== 'undefined') {
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var parts = i.raws.before.split('\n');
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value = parts[parts.length - 1];
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value = value.replace(/[^\s]/g, '');
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return false;
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}
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}
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});
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return value;
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};
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Stringifier.prototype.rawBeforeComment = function rawBeforeComment(root, node) {
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var value = void 0;
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root.walkComments(function (i) {
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if (typeof i.raws.before !== 'undefined') {
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value = i.raws.before;
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if (value.indexOf('\n') !== -1) {
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value = value.replace(/[^\n]+$/, '');
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}
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return false;
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}
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});
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if (typeof value === 'undefined') {
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value = this.raw(node, null, 'beforeDecl');
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}
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return value;
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};
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Stringifier.prototype.rawBeforeDecl = function rawBeforeDecl(root, node) {
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var value = void 0;
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root.walkDecls(function (i) {
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if (typeof i.raws.before !== 'undefined') {
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value = i.raws.before;
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if (value.indexOf('\n') !== -1) {
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value = value.replace(/[^\n]+$/, '');
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}
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return false;
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}
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});
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if (typeof value === 'undefined') {
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value = this.raw(node, null, 'beforeRule');
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}
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return value;
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};
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Stringifier.prototype.rawBeforeRule = function rawBeforeRule(root) {
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var value = void 0;
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root.walk(function (i) {
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if (i.nodes && (i.parent !== root || root.first !== i)) {
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if (typeof i.raws.before !== 'undefined') {
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value = i.raws.before;
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if (value.indexOf('\n') !== -1) {
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value = value.replace(/[^\n]+$/, '');
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}
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return false;
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}
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}
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});
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return value;
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};
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Stringifier.prototype.rawBeforeClose = function rawBeforeClose(root) {
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var value = void 0;
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root.walk(function (i) {
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if (i.nodes && i.nodes.length > 0) {
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if (typeof i.raws.after !== 'undefined') {
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value = i.raws.after;
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if (value.indexOf('\n') !== -1) {
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value = value.replace(/[^\n]+$/, '');
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}
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return false;
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}
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}
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});
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return value;
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};
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Stringifier.prototype.rawBeforeOpen = function rawBeforeOpen(root) {
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var value = void 0;
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root.walk(function (i) {
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if (i.type !== 'decl') {
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value = i.raws.between;
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if (typeof value !== 'undefined') return false;
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}
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});
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return value;
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};
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Stringifier.prototype.rawColon = function rawColon(root) {
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var value = void 0;
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root.walkDecls(function (i) {
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if (typeof i.raws.between !== 'undefined') {
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value = i.raws.between.replace(/[^\s:]/g, '');
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return false;
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}
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});
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return value;
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};
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Stringifier.prototype.beforeAfter = function beforeAfter(node, detect) {
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var value = void 0;
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if (node.type === 'decl') {
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value = this.raw(node, null, 'beforeDecl');
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} else if (node.type === 'comment') {
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value = this.raw(node, null, 'beforeComment');
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} else if (detect === 'before') {
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value = this.raw(node, null, 'beforeRule');
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} else {
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value = this.raw(node, null, 'beforeClose');
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}
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var buf = node.parent;
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var depth = 0;
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while (buf && buf.type !== 'root') {
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depth += 1;
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buf = buf.parent;
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}
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if (value.indexOf('\n') !== -1) {
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var indent = this.raw(node, null, 'indent');
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if (indent.length) {
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for (var step = 0; step < depth; step++) {
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value += indent;
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}
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}
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}
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return value;
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};
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Stringifier.prototype.rawValue = function rawValue(node, prop) {
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var value = node[prop];
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var raw = node.raws[prop];
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if (raw && raw.value === value) {
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return raw.raw;
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} else {
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return value;
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}
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};
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return Stringifier;
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}();
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exports.default = Stringifier;
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module.exports = exports['default'];
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