Your IP : 216.73.216.43
/**
* Get representation of define object
* @param node
* @returns object
*/
function define(node) {
'use strict';
var defineStmt, args;
defineStmt = node.body.find(function (stmt) {
return (
stmt.type === 'ExpressionStatement' &&
stmt.expression.type === 'CallExpression' &&
stmt.expression.callee.type === 'Identifier' &&
stmt.expression.callee.name === 'define' &&
stmt.expression.arguments.length > 0 &&
stmt.expression.arguments[0].type === 'ArrayExpression'
);
});
if (!defineStmt) {
return;
}
args = defineStmt.expression.arguments;
return {
func: defineStmt.expression,
modulePaths: args[0].elements,
moduleNames: args.length > 1 && args[1].params || []
};
}
/**
* Get jQueryName from define
* @param defineObject
* @returns {null|*}
*/
function getJqueryName(defineObject) {
'use strict';
var jQueryPathIndex;
if (!defineObject.modulePaths || !defineObject.moduleNames) {
return null;
}
jQueryPathIndex = defineObject.modulePaths.findIndex(function (paths) {
return paths.value.toLowerCase() === 'jquery';
});
if (jQueryPathIndex === -1 || jQueryPathIndex >= defineObject.moduleNames.length) {
return null;
}
return defineObject.moduleNames[jQueryPathIndex];
}
/**
* Get Root Program node
*/
function getProgramNode(node) {
'use strict';
if (!node.parent) {
return node;
}
return getProgramNode(node.parent);
}
/**
* Traverses the node to identify its id
*
* @param {Object} node - The node to check
* @returns {Object|Null}
*/
function getExpressionId(node) {
'use strict';
while (node) {
switch (node.type) {
case 'CallExpression':
node = node.callee;
break;
case 'MemberExpression':
node = node.object;
break;
case 'Identifier':
return node;
default:
return null;
}
}
}
/**
* Traverses from a node up to its root parent to determine if it originated from a jQuery `$()` function.
* Examples:
* $('div').find('p').first()
* isjQuery(firstNode) // => true
*
* @param {Object} node - The CallExpression node to start the traversal.
* @returns {Boolean} - true if the function call node is attached to a jQuery element set. false, otherwise.
*/
function isjQuery(node) {
'use strict';
var parentNode, defineNode, jQueryId, id;
parentNode = getProgramNode(node);
defineNode = define(parentNode);
if (!defineNode) {
return false;
}
jQueryId = getJqueryName(defineNode);
id = getExpressionId(node);
return id && jQueryId && id.name === jQueryId.name;
}
module.exports = {
traverse: getExpressionId,
isjQuery: isjQuery
};