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node_modules/autoprefixer/lib/hacks/break-props.js 2.13 KB
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  (function() {
    var BreakProps, Declaration,
      extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
      hasProp = {}.hasOwnProperty;
  
    Declaration = require('../declaration');
  
    BreakProps = (function(superClass) {
      extend(BreakProps, superClass);
  
      function BreakProps() {
        return BreakProps.__super__.constructor.apply(this, arguments);
      }
  
      BreakProps.names = ['break-inside', 'page-break-inside', 'column-break-inside', 'break-before', 'page-break-before', 'column-break-before', 'break-after', 'page-break-after', 'column-break-after'];
  
      BreakProps.prototype.prefixed = function(prop, prefix) {
        if (prefix === '-webkit-') {
          return '-webkit-column-' + prop;
        } else if (prefix === '-moz-') {
          return 'page-' + prop;
        } else {
          return BreakProps.__super__.prefixed.apply(this, arguments);
        }
      };
  
      BreakProps.prototype.normalize = function(prop) {
        if (prop.indexOf('inside') !== -1) {
          return 'break-inside';
        } else if (prop.indexOf('before') !== -1) {
          return 'break-before';
        } else if (prop.indexOf('after') !== -1) {
          return 'break-after';
        }
      };
  
      BreakProps.prototype.set = function(decl, prefix) {
        var v;
        v = decl.value;
        if (decl.prop === 'break-inside' && v === 'avoid-column' || v === 'avoid-page') {
          decl.value = 'avoid';
        }
        return BreakProps.__super__.set.apply(this, arguments);
      };
  
      BreakProps.prototype.insert = function(decl, prefix, prefixes) {
        if (decl.prop !== 'break-inside') {
          return BreakProps.__super__.insert.apply(this, arguments);
        } else if (decl.value === 'avoid-region') {
  
        } else if (decl.value === 'avoid-page' && prefix === '-webkit-') {
  
        } else {
          return BreakProps.__super__.insert.apply(this, arguments);
        }
      };
  
      return BreakProps;
  
    })(Declaration);
  
    module.exports = BreakProps;
  
  }).call(this);