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Edit File: flex.js

'use strict';

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

var flexSpec = require('./flex-spec');
var Declaration = require('../declaration');

var list = require('postcss').list;

var Flex = function (_Declaration) {
    _inherits(Flex, _Declaration);

function Flex() {
        _classCallCheck(this, Flex);

return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
    }

/**
     * Change property name for 2009 spec
     */
    Flex.prototype.prefixed = function prefixed(prop, prefix) {
        var spec = void 0;

var _flexSpec = flexSpec(prefix);

spec = _flexSpec[0];
        prefix = _flexSpec[1];

if (spec === 2009) {
            return prefix + 'box-flex';
        } else {
            return _Declaration.prototype.prefixed.call(this, prop, prefix);
        }
    };

/**
     * Return property name by final spec
     */

Flex.prototype.normalize = function normalize() {
        return 'flex';
    };

/**
     * Spec 2009 supports only first argument
     * Spec 2012 disallows unitless basis
     */

Flex.prototype.set = function set(decl, prefix) {
        var spec = flexSpec(prefix)[0];
        if (spec === 2009) {
            decl.value = list.space(decl.value)[0];
            decl.value = Flex.oldValues[decl.value] || decl.value;
            return _Declaration.prototype.set.call(this, decl, prefix);
        } else if (spec === 2012) {
            var components = list.space(decl.value);
            if (components.length === 3 && components[2] === '0') {
                decl.value = components.slice(0, 2).concat('0px').join(' ');
            }
        }
        return _Declaration.prototype.set.call(this, decl, prefix);
    };

return Flex;
}(Declaration);

Object.defineProperty(Flex, 'names', {
    enumerable: true,
    writable: true,
    value: ['flex', 'box-flex']
});
Object.defineProperty(Flex, 'oldValues', {
    enumerable: true,
    writable: true,
    value: {
        auto: '1',
        none: '0'
    }
});

module.exports = Flex;

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