diff options
Diffstat (limited to 'node_modules/autoprefixer/lib/hacks/break-props.js')
| -rw-r--r-- | node_modules/autoprefixer/lib/hacks/break-props.js | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/hacks/break-props.js b/node_modules/autoprefixer/lib/hacks/break-props.js new file mode 100644 index 00000000..4724f2f4 --- /dev/null +++ b/node_modules/autoprefixer/lib/hacks/break-props.js @@ -0,0 +1,81 @@ +'use strict'; + +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; } + +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; } + +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); } + +var Declaration = require('../declaration'); + +var BreakProps = function (_Declaration) { + _inherits(BreakProps, _Declaration); + + function BreakProps() { + _classCallCheck(this, BreakProps); + + return _possibleConstructorReturn(this, _Declaration.apply(this, arguments)); + } + + /** + * Change name for -webkit- and -moz- prefix + */ + BreakProps.prototype.prefixed = function prefixed(prop, prefix) { + return prefix + 'column-' + prop; + }; + + /** + * Return property name by final spec + */ + + + BreakProps.prototype.normalize = function normalize(prop) { + if (prop.indexOf('inside') !== -1) { + return 'break-inside'; + } else if (prop.indexOf('before') !== -1) { + return 'break-before'; + } else { + return 'break-after'; + } + }; + + /** + * Change prefixed value for avoid-column and avoid-page + */ + + + BreakProps.prototype.set = function set(decl, prefix) { + if (decl.prop === 'break-inside' && decl.value === 'avoid-column' || decl.value === 'avoid-page') { + decl.value = 'avoid'; + } + return _Declaration.prototype.set.call(this, decl, prefix); + }; + + /** + * Don’t prefix some values + */ + + + BreakProps.prototype.insert = function insert(decl, prefix, prefixes) { + if (decl.prop !== 'break-inside') { + return _Declaration.prototype.insert.call(this, decl, prefix, prefixes); + } else if (/region/i.test(decl.value) || /page/i.test(decl.value)) { + return undefined; + } else { + return _Declaration.prototype.insert.call(this, decl, prefix, prefixes); + } + }; + + return BreakProps; +}(Declaration); + +Object.defineProperty(BreakProps, 'names', { + enumerable: true, + writable: true, + value: ['break-inside', 'page-break-inside', 'column-break-inside', 'break-before', 'page-break-before', 'column-break-before', 'break-after', 'page-break-after', 'column-break-after'] +}); + + +module.exports = BreakProps;
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