83 lines
3.4 KiB
JavaScript
83 lines
3.4 KiB
JavaScript
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'use strict';
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function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
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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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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; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
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var flexSpec = require('./flex-spec');
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var Declaration = require('../declaration');
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var FlexFlow = function (_Declaration) {
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_inherits(FlexFlow, _Declaration);
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function FlexFlow() {
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_classCallCheck(this, FlexFlow);
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return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
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}
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/**
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* Use two properties for 2009 spec
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*/
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FlexFlow.prototype.insert = function insert(decl, prefix, prefixes) {
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var spec = void 0;
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var _flexSpec = flexSpec(prefix);
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spec = _flexSpec[0];
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prefix = _flexSpec[1];
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if (spec !== 2009) {
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return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
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} else {
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var values = decl.value.split(/\s+/).filter(function (i) {
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return i !== 'wrap' && i !== 'nowrap' && 'wrap-reverse';
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});
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if (values.length === 0) {
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return undefined;
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}
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var already = decl.parent.some(function (i) {
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return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
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});
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if (already) {
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return undefined;
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}
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var value = values[0];
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var orient = value.indexOf('row') !== -1 ? 'horizontal' : 'vertical';
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var dir = value.indexOf('reverse') !== -1 ? 'reverse' : 'normal';
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var cloned = this.clone(decl);
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cloned.prop = prefix + 'box-orient';
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cloned.value = orient;
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if (this.needCascade(decl)) {
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cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
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}
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decl.parent.insertBefore(decl, cloned);
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cloned = this.clone(decl);
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cloned.prop = prefix + 'box-direction';
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cloned.value = dir;
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if (this.needCascade(decl)) {
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cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
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}
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return decl.parent.insertBefore(decl, cloned);
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}
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};
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return FlexFlow;
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}(Declaration);
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Object.defineProperty(FlexFlow, 'names', {
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enumerable: true,
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writable: true,
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value: ['flex-flow', 'box-direction', 'box-orient']
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});
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module.exports = FlexFlow;
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