@extjs/sencha-cmd-linux-32/dist/js/node_modules/fashion/src/PlaceholderProcessor.js

Productivity and performance optimization tool for building applications with Sencha Ext JS and Sencha Touch.

"use strict";

var Fashion = require('./export/Base.js');
var TypeVisitor = require('./type/TypeVisitor.js');

class PlaceholderProcessor extends TypeVisitor {
    constructor(cfg) {
        super(cfg);
    }

    literal(obj) {
        if (obj.getHash() === '%') {
            this.hasPlaceholder = true;
        }
    }

    selector(obj) {
        if (obj.selectorType === 'placeholder') {
            this.hasPlaceholder = true;
        }
    }

    selectorlist(obj) {
        var items = obj.items,
            len = items.length,
            i, item, newItems = [];

        for (i = 0; i < len; i++) {
            item = items[i];
            this.hasPlaceholder = false;
            this.visit(item);
            if (!this.hasPlaceholder) {
                newItems.push(item);
            }
        }
        obj.items = newItems;
        return false;
    }

    ruleset(obj) {
        this.hasPlaceholder = false;
        this.visit(obj.selectors);
        if (this.hasPlaceholder) {
            obj.selectors = null
        }
        this.visit(obj.children);
        return false;
    }

    process(css) {
        this.visit(css);
        if (!css.selectors || css.selectors.length === 0) {
            return;
        }
        this.outCss.push(css);
    }

    processRulesets(css) {
        this.outCss = [];
        for (var i = 0; i < css.length; i++) {
            this.process(css[i]);
        }
        return this.outCss;
    }
}

Fashion.apply(PlaceholderProcessor.prototype, {
    hasPlaceholder: false,
    outCss: null
});

module.exports = PlaceholderProcessor;