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Optimize method compilation with/without strict mode.

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Former-commit-id: 05e4d9282116987b53a817b406c82c140a25c761
This commit is contained in:
John-David Dalton
2012-08-23 01:17:02 -07:00
parent 8d35d78eff
commit a2665529f6
4 changed files with 151 additions and 142 deletions
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12
lodash.js
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@@ -175,6 +175,9 @@
/* Detect if `Object.keys` exists and is inferred to be fast (IE, Opera, V8) */
var isKeysFast = nativeKeys && /^.+$|true/.test(nativeKeys + !!window.attachEvent);
/* Detect if strict mode, "use strict", is inferred to be fast (V8) */
var isStrictFast = !isBindFast;
/** Detect if sourceURL syntax is usable without erroring */
try {
// The JS engine in Adobe products, like InDesign, will throw a syntax error
@@ -631,8 +634,8 @@
if (typeof value == 'string') {
value = { 'array': value, 'object': value };
}
data.arrayBranch[prop] = value.array;
data.objectBranch[prop] = value.object;
data.arrayBranch[prop] = value.array || '';
data.objectBranch[prop] = value.object || '';
} else {
data[prop] = value;
}
@@ -640,7 +643,8 @@
}
// set additional template `data` values
var args = data.args,
firstArg = /^[^,]+/.exec(args)[0];
firstArg = /^[^,]+/.exec(args)[0],
useStrict = data.useStrict;
data.firstArg = firstArg;
data.hasDontEnumBug = hasDontEnumBug;
@@ -648,7 +652,7 @@
data.noArgsEnum = noArgsEnum;
data.shadowed = shadowed;
data.useHas = data.useHas !== false;
data.useStrict = data.useStrict !== false;
data.useStrict = useStrict == null ? isStrictFast : useStrict;
if (!('noCharByIndex' in data)) {
data.noCharByIndex = noCharByIndex;