lib css builder

libcssbuild.js

/*
author: i@darkfe.com

Usage:
$ node libcssbuild.js -o libcss.css -p

Options:
-o filename "output file name, default: lib-css.css"
-p "build minify version" default: none
*/

(function(){ 

    var FS = require('fs');
    var PATH = require('path');
    var MINIFY =  false;
    var OUTPUT = 'lib-css.css';
    var TEXTS = []; 
    var EXIT = false;

    process.argv.forEach(function(item,index){
        switch(item){
            case '-o':
                OUTPUT = process.argv[index+1] || OUTPUT;
            break;
            case '-p':
                MINIFY = true;
            break;
            case '-h':
                EXIT = true;
                console.log('Usage:');
                console.log('node tinycssbuild.js -o libcss.css -p');
                console.log('\nOptions:')
                console.log('-o filename "output file name, default: lib-css.css"');
                console.log('-p "build minify version" default: none');

            break;  
        }
    });

    if(EXIT){
        return;
    }

    function line(name, value, options){ 
      if(options === undefined){
    		TEXTS.push(
    			'.' + name + '{' + value + '}'
    		);
    	}else{
    		for(var start = options.start; start<=options.end; start += options.step){
    			TEXTS.push(
    				'.' + name + start + '{' + value.replace(/_/g,start) + '}' 
    			);
    		}
    	}
    }

    var LASTCOMMENTS = '';
    function comments(str){
        if(MINIFY){
            return;
        }
        if(LASTCOMMENTS){
            TEXTS.push('/* ' + LASTCOMMENTS + ' END */');
        }
        TEXTS.push('/* ' + str + ' START */');
        LASTCOMMENTS = str;
    }

    function eachLrtb(fn){
    	'left,right,top,bottom'.split(',').forEach(fn);
    }

    /*
        下面是具体的定义部分
    */ 

    comments('外边距');
    line('m0','margin:0');
    eachLrtb(function(item, index){ 
    	line('m'+item.charAt(0),'margin-'+ item +':_px',{
    		step  : 5,
    		start : 0,
    		end   : 30
    	});
    })
    eachLrtb(function(item, index){ 
    	line('m'+item.charAt(0)+'-','margin-'+ item +':_px',{
    		step  : 5,
    		start : 0,
    		end   : 30
    	});
    })

    comments('内边距')
    line('p0','padding:0');
    eachLrtb(function(item, index){ 
    	line('p'+item.charAt(0),'padding-'+ item +':_px',{
    		step  : 5,
    		start : 0,
    		end   : 30
    	});
    });

    comments('边框')
    line('bdr0','border:none 0');
    eachLrtb(function(item, index){
    	line('bdr' + item.charAt(0) + '0', 'border-' + item + ':none 0');
    }); 
    eachLrtb(function(item, index){
    	line(item.charAt(0) + '0',  item + ':0');
    });

    //文字部分
    comments('文字')
    line('tal','text-align:left');
    line('tar','text-align:right');
    line('tac','text-align:center');
    line('taj','text-align:justify');

    line('fz','font-size:_px',{
    	step  : 2,
    	start : 12,
    	end   : 36
    })

    line('lh','line-height:_',{
    	step  : 0.5,
    	start : 1,
    	end   : 3
    })

    line('wsn','white-space:nowrap');

    line('fwb','font-weight:bold');
    line('fwb2','font-weight:bolder');
    line('fwb3','font-weight:lighter');

    comments('表格')
    line('tbbc','border-collapse:collapse');
    line('tbla','table-layout:automatic');
    line('tblf','table-layout:fixed');

    comments('定位')
    line('poss','position:static');
    line('posa','position:absolute');
    line('posr','position:relative');
    line('posf','position:fixed');

    line('fll','float:left');
    line('flr','float:right');
    line('fln','float:none');

    line('cll','clear:left');
    line('clr','clear:right');
    line('clb','clear:both');

    comments('展示隐藏')
    line('ovv','overflow:visible');
    line('ovh','overflow:hidden');
    line('ovs','overflow:scroll');
    line('ovxs','overflow-x:scroll');
    line('ovxs','overflow-y:scroll');
    line('ovxa','overflow-x:auto');
    line('ovxa','overflow-y:auto');
    line('ovxh','overflow-x:hidden');
    line('ovxh','overflow-y:hidden');

    line('db','display:block')
    line('di','display:inline')
    line('dn','display:none')
    line('dnp','position:absolute;left:-9999px;top:-9999px')

    line('vh','visibility:hidden');
    line('vv','visibility:visible');

    //色值,默认为文字颜色,带b为背景色
    comments('色值');
    line('red','color:red');
    line('blue','color:blue');
    line('green','color:green');
    line('white','color:white');
    line('black','color:black');
    line('gray','color:gray');
    line('grey','color:grey');

    line('bwhite','background:white')
    line('bblack','background:black');

    line('nobg','background:transparent');

    //光标
    comments('光标')
    line('crp','cursor:pointer');
    line('cra','cursor:auto');
    line('crd','cursor:default');
    line('crw','cursor:wait');
    line('crh','cursor:help');
    line('crt','cursor:text');

    //垂直对齐
    comments('垂直对齐')
    line('vab','vertical-align:baseline')
    line('vas','vertical-align:sub')
    line('vasr','vertical-align:suber')
    line('vat','vertical-align:top')
    line('vam','vertical-align:middle')
    line('vab','vertical-align:bottom')

    //宽度和高度
    comments('宽度和高度')
    line('wa','width:auto');
    line('ha','height:auto');

    line('w100p','width:100%');
    line('h100p','height:100%');

    line('w25p','width:25%');
    line('w50p','width:50%');
    line('w33p','width:33.33%');

    /*
        上面是具体的定义部分
    */

    try{ 
        if(MINIFY){
            FS.writeFileSync(OUTPUT, TEXTS.join(''));
        }else{
            FS.writeFileSync(OUTPUT, TEXTS.join('\n'));
        } 
        console.log('build file: (' + OUTPUT + ') success!'); 
    }catch(e){
        console.log('build error: '　+ e.message);
    }

}());