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| Direktori : /www/specpages-backup/node_modules/less/lib/less/tree/ |
| Current File : /www/specpages-backup/node_modules/less/lib/less/tree/expression.js |
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var node_1 = __importDefault(require("./node"));
var paren_1 = __importDefault(require("./paren"));
var comment_1 = __importDefault(require("./comment"));
var dimension_1 = __importDefault(require("./dimension"));
var Constants = __importStar(require("../constants"));
var MATH = Constants.Math;
var Expression = function (value, noSpacing) {
this.value = value;
this.noSpacing = noSpacing;
if (!value) {
throw new Error('Expression requires an array parameter');
}
};
Expression.prototype = new node_1.default();
Expression.prototype.accept = function (visitor) {
this.value = visitor.visitArray(this.value);
};
Expression.prototype.eval = function (context) {
var returnValue;
var mathOn = context.isMathOn();
var inParenthesis = this.parens &&
(context.math !== MATH.STRICT_LEGACY || !this.parensInOp);
var doubleParen = false;
if (inParenthesis) {
context.inParenthesis();
}
if (this.value.length > 1) {
returnValue = new Expression(this.value.map(function (e) {
if (!e.eval) {
return e;
}
return e.eval(context);
}), this.noSpacing);
}
else if (this.value.length === 1) {
if (this.value[0].parens && !this.value[0].parensInOp && !context.inCalc) {
doubleParen = true;
}
returnValue = this.value[0].eval(context);
}
else {
returnValue = this;
}
if (inParenthesis) {
context.outOfParenthesis();
}
if (this.parens && this.parensInOp && !mathOn && !doubleParen
&& (!(returnValue instanceof dimension_1.default))) {
returnValue = new paren_1.default(returnValue);
}
return returnValue;
};
Expression.prototype.genCSS = function (context, output) {
for (var i = 0; i < this.value.length; i++) {
this.value[i].genCSS(context, output);
if (!this.noSpacing && i + 1 < this.value.length) {
output.add(' ');
}
}
};
Expression.prototype.throwAwayComments = function () {
this.value = this.value.filter(function (v) { return !(v instanceof comment_1.default); });
};
Expression.prototype.type = 'Expression';
exports.default = Expression;
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