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Add compileFunction.

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John-David Dalton
2014-05-15 00:43:05 -07:00
parent ce3c78d30b
commit 0de72f3abb
1 changed files with 30 additions and 16 deletions
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46
lodash.js
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@@ -1983,6 +1983,32 @@
return result;
}
/**
* Compiles a function from the given source using the `varNames` and `varValues`
* pairs to import free variables into the compiled function. If `sourceURL`
* is provided it will be used as the sourceURL for the compiled function.
*
* @private
* @param {string} source The source to compile.
* @param {Array} varNames An array of free variable names.
* @param {Array} varValues An array of free variable values.
* @param {string} [sourceURL=''] The sourceURL of the source.
* @returns {Function} Returns the compiled function.
*/
function compileFunction(source, varNames, varValues, sourceURL) {
sourceURL = sourceURL ? ('\n/*\n//# sourceURL=' + sourceURL + '\n*/') : '';
try {
// provide the compiled function's source by its `toString` method or
// the `source` property as a convenience for inlining compiled templates
var result = Function(varNames, 'return ' + source + sourceURL).apply(undefined, varValues);
result.source = source;
} catch(e) {
e.source = source;
throw e;
}
return result;
}
/**
* Creates an array that is the composition of partially applied arguments,
* placeholders, and provided arguments into a single array of arguments.
@@ -7604,24 +7630,12 @@
source +
'return __p\n}';
// Use a `sourceURL` for easier debugging.
// Use a sourceURL for easier debugging
// http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl
var sourceURL = '\n/*\n//# sourceURL=' + (options.sourceURL || '/lodash/template/source[' + (templateCounter++) + ']') + '\n*/';
var sourceURL = options.sourceURL || ('/lodash/template/source[' + (templateCounter++) + ']'),
result = compileFunction(source, importsKeys, importsValues, sourceURL);
try {
var result = Function(importsKeys, 'return ' + source + sourceURL).apply(undefined, importsValues);
} catch(e) {
e.source = source;
throw e;
}
if (data) {
return result(data);
}
// provide the compiled function's source by its `toString` method, in
// supported environments, or the `source` property as a convenience for
// inlining compiled templates during the build process
result.source = source;
return result;
return data ? result(data) : result;
}
/**