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Avoid incorrectly converting local variables to boolean values.

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Former-commit-id: 322f6dec4c669bdc1ef534f7786cf12aee580e53
This commit is contained in:
John-David Dalton
2013-05-27 15:31:41 -07:00
parent be52c181ea
commit 96e47f3d27
4 changed files with 12 additions and 7 deletions
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4
build.js
View File

@@ -2221,7 +2221,7 @@
}
return match.replace(/^(( *)if *\(.*?\bisArray\([^\)]+\).*?\) *{\n)(( *)var index[^;]+.+\n+)/m, function(snippet, statement, indent, vars) {
vars = vars
.replace(/\b(length *=)[^;]+/, '$1 collection' + (methodName == 'reduce' ? '.length' : ' ? collection.length : 0'))
.replace(/\b(length *=)[^;=]+/, '$1 collection' + (methodName == 'reduce' ? '.length' : ' ? collection.length : 0'))
.replace(RegExp('^ ' + indent, 'gm'), indent);
return vars + statement.replace(/\bisArray\([^\)]+\)/, "typeof length == 'number'");
@@ -3263,7 +3263,7 @@
modified = modified
.replace(/\bctor *=.+\s+/, '')
.replace(/^ *ctor\.prototype.+\s+.+\n/m, '')
.replace(/(?:,\n)? *props *=[^;]+/, '')
.replace(/(?:,\n)? *props *=[^;=]+/, '')
.replace(/^ *for *\((?=prop)/, '$&var ')
}
if (!/support\.nonEnumArgs *=(?! *(?:false|true))/.test(match)) {

9
build/post-compile.js
View File

@@ -41,12 +41,17 @@
[/(\w+)\s*=\s*!1\b/, /(\w+)\s*=\s*!0\b/].forEach(function(regexp, index) {
var varName = (regexp.exec(source) || 0)[1];
if (varName) {
source = source.replace(RegExp('([!=]==\\s*)' + varName + '|' + varName + '(\\s*[!=]==)', 'g'), '$1' + !!index + '$2');
source = source.replace(RegExp('([!=]==\\s*)' + varName + '\\b|\\b' + varName + '(\\s*[!=]==)', 'g'), function(match, prelude, postlude, at) {
// avoid replacing local variables with the same name
return RegExp('\\b' + varName + '\\s*(?:,|=[^=])').test(source.slice(at - 10, at))
? match
: (prelude || '') + !!index + (postlude || '');
});
}
});
// replace `!1` and `!0` in expressions with `false` and `true` values
[/([!=]==)\s*!1|(.)!1\s*([!=]==)/g, /([!=]==)\s*!0|(.)!0\s*([!=]==)/g].forEach(function(regexp, index) {
[/([!=]==)\s*!1\b|(.)!1\s*([!=]==)/g, /([!=]==)\s*!0\b|(.)!0\s*([!=]==)/g].forEach(function(regexp, index) {
source = source.replace(regexp, function(match, prelude, chr, postlude) {
return (prelude || chr + (/\w/.test(chr) ? ' ' : '')) + !!index + (postlude || '');
});

4
dist/lodash.compat.min.js vendored
View File

@@ -39,11 +39,11 @@ for(t=a.createCallback(t,r),dt(n,function(n,r,u){o[++e]={a:t(n,r,u),b:e,c:n}}),u
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return typeof t=="number"?t:Br(n).length},a.some=wt,a.sortedIndex=St,a.template=function(n,t,e){var u=a.templateSettings;n||(n=""),e=$r({},e,u);var o,i=$r({},e.imports,u.imports),u=Br(i),i=gt(i),c=0,l=e.interpolate||_,g="__p+='",l=Ht((e.escape||_).source+"|"+l.source+"|"+(true===y?v:_).source+"|"+(e.evaluate||_).source+"|$","g");n.replace(l,function(t,r,e,u,a,i){return e||(e=u),g+=n.slice(c,i).replace(j,V),r&&(g+="'+__e("+r+")+'"),a&&(o=!0,g+="';"+a+";__p+='"),e&&(g+="'+((__t=("+e+"))==null?'':__t)+'"),c=i+t.length,t
}),g+="';\n",l=e=e.variable,l||(e="obj",g="with("+e+"){"+g+"}"),g=(o?g.replace(f,""):g).replace(p,"$1").replace(s,"$1;"),g="function("+e+"){"+(l?"":e+"||("+e+"={});")+"var __t,__p='',__e=_.escape"+(o?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+g+"return __p}";try{var h=Rt(u,"return "+g).apply(r,i)}catch(m){throw m.source=g,m}return t?h(t):(h.source=g,h)},a.unescape=function(n){return null==n?"":Jt(n).replace(g,rt)},a.uniqueId=function(n){var t=++o;return Jt(null==n?"":n)+t
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}}),xr.spliceObjects||Nr(["pop","shift","splice"],function(n){var t=Mt[n],r="splice"==n;a.prototype[n]=function(){var n=this.__wrapped__,e=t.apply(n,arguments);return 0===n.length&&delete n[0],r?new X(e):e}}),a}var r,e=typeof exports=="object"&&exports,u=typeof module=="object"&&module&&module.exports==e&&module,a=typeof global=="object"&&global;(a.globatrue===a||a.window===a)&&(n=a);var o=0,i={},c=+new Date+"",l=75,f=/\b__p\+='';/g,p=/\b(__p\+=)''\+/g,s=/(__e\(.*?\)|\b__t\))\+'';/g,g=/&(?:amp|lt|gt|quot|#39);/g,v=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,h=/\w*$/,y=/<%=([\s\S]+?)%>/g,m=(m=/\bthis\b/)&&m.test(t)&&m,d=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",b=RegExp("^["+d+"]*0+(?=.$)"),_=/($^)/,C=/[&<>"']/g,j=/['\n\r\t\u2028\u2029\\]/g,w="Array Boolean Date Error Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),x="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" "),O="[object Arguments]",E="[object Array]",S="[object Boolean]",A="[object Date]",I="[object Error]",B="[object Function]",N="[object Number]",P="[object Object]",z="[object RegExp]",F="[object String]",$={};
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2
dist/lodash.min.js vendored
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@@ -9,7 +9,7 @@ if(!u)return a;for(var o=arguments,i=0,f=typeof e=="number"?2:o.length;++i<f;)if
return a}function V(n){var t,e=[];if(!n||!q[typeof n])return e;for(t in n)ue.call(n,t)&&e.push(t);return e}function G(n){return n&&typeof n=="object"&&!Ce(n)&&ue.call(n,"__wrapped__")?n:new nt(n)}function H(n,t,e){e=(e||0)-1;for(var r=n.length;++e<r;)if(n[e]===t)return e;return-1}function J(n){return n.charCodeAt(0)}function L(n,t){var e=n.b,r=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return e<r?-1:1}function Q(n,t,e,r){function u(){var r=arguments,c=o?this:t;
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