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refactor($compile): move setup/get controller methods out of the compile node closure #13427

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150 changes: 73 additions & 77 deletions src/ng/compile.js
Original file line number Diff line number Diff line change
Expand Up @@ -2360,82 +2360,6 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
}
}


function getControllers(directiveName, require, $element, elementControllers) {
var value;

if (isString(require)) {
var match = require.match(REQUIRE_PREFIX_REGEXP);
var name = require.substring(match[0].length);
var inheritType = match[1] || match[3];
var optional = match[2] === '?';

//If only parents then start at the parent element
if (inheritType === '^^') {
$element = $element.parent();
//Otherwise attempt getting the controller from elementControllers in case
//the element is transcluded (and has no data) and to avoid .data if possible
} else {
value = elementControllers && elementControllers[name];
value = value && value.instance;
}

if (!value) {
var dataName = '$' + name + 'Controller';
value = inheritType ? $element.inheritedData(dataName) : $element.data(dataName);
}

if (!value && !optional) {
throw $compileMinErr('ctreq',
"Controller '{0}', required by directive '{1}', can't be found!",
name, directiveName);
}
} else if (isArray(require)) {
value = [];
for (var i = 0, ii = require.length; i < ii; i++) {
value[i] = getControllers(directiveName, require[i], $element, elementControllers);
}
} else if (isObject(require)) {
value = {};
forEach(require, function(controller, property) {
value[property] = getControllers(directiveName, controller, $element, elementControllers);
});
}

return value || null;
}

function setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope) {
var elementControllers = createMap();
for (var controllerKey in controllerDirectives) {
var directive = controllerDirectives[controllerKey];
var locals = {
$scope: directive === newIsolateScopeDirective || directive.$$isolateScope ? isolateScope : scope,
$element: $element,
$attrs: attrs,
$transclude: transcludeFn
};

var controller = directive.controller;
if (controller == '@') {
controller = attrs[directive.name];
}

var controllerInstance = $controller(controller, locals, true, directive.controllerAs);

// For directives with element transclusion the element is a comment,
// but jQuery .data doesn't support attaching data to comment nodes as it's hard to
// clean up (http://bugs.jquery.com/ticket/8335).
// Instead, we save the controllers for the element in a local hash and attach to .data
// later, once we have the actual element.
elementControllers[directive.name] = controllerInstance;
if (!hasElementTranscludeDirective) {
$element.data('$' + directive.name + 'Controller', controllerInstance.instance);
}
}
return elementControllers;
}

function nodeLinkFn(childLinkFn, scope, linkNode, $rootElement, boundTranscludeFn) {
var i, ii, linkFn, isolateScope, controllerScope, elementControllers, transcludeFn, $element,
attrs, removeScopeBindingWatches, removeControllerBindingWatches;
Expand Down Expand Up @@ -2467,7 +2391,7 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
}

if (controllerDirectives) {
elementControllers = setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope);
elementControllers = setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope, newIsolateScopeDirective);
}

if (newIsolateScopeDirective) {
Expand Down Expand Up @@ -2595,6 +2519,78 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
}
}

function getControllers(directiveName, require, $element, elementControllers) {
var value;

if (isString(require)) {
var match = require.match(REQUIRE_PREFIX_REGEXP);
var name = require.substring(match[0].length);
var inheritType = match[1] || match[3];
var optional = match[2] === '?';

//If only parents then start at the parent element
if (inheritType === '^^') {
$element = $element.parent();
//Otherwise attempt getting the controller from elementControllers in case
//the element is transcluded (and has no data) and to avoid .data if possible
} else {
value = elementControllers && elementControllers[name];
value = value && value.instance;
}

if (!value) {
var dataName = '$' + name + 'Controller';
value = inheritType ? $element.inheritedData(dataName) : $element.data(dataName);
}

if (!value && !optional) {
throw $compileMinErr('ctreq',
"Controller '{0}', required by directive '{1}', can't be found!",
name, directiveName);
}
} else if (isArray(require)) {
value = [];
for (var i = 0, ii = require.length; i < ii; i++) {
value[i] = getControllers(directiveName, require[i], $element, elementControllers);
}
} else if (isObject(require)) {
value = {};
forEach(require, function(controller, property) {
value[property] = getControllers(directiveName, controller, $element, elementControllers);
});
}

return value || null;
}

function setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope, newIsolateScopeDirective) {
var elementControllers = createMap();
for (var controllerKey in controllerDirectives) {
var directive = controllerDirectives[controllerKey];
var locals = {
$scope: directive === newIsolateScopeDirective || directive.$$isolateScope ? isolateScope : scope,
$element: $element,
$attrs: attrs,
$transclude: transcludeFn
};

var controller = directive.controller;
if (controller == '@') {
controller = attrs[directive.name];
}

var controllerInstance = $controller(controller, locals, true, directive.controllerAs);

// For directives with element transclusion the element is a comment.
// In this case .data will not attach any data.
// Instead, we save the controllers for the element in a local hash and attach to .data
// later, once we have the actual element.
elementControllers[directive.name] = controllerInstance;
$element.data('$' + directive.name + 'Controller', controllerInstance.instance);
}
return elementControllers;
}

// Depending upon the context in which a directive finds itself it might need to have a new isolated
// or child scope created. For instance:
// * if the directive has been pulled into a template because another directive with a higher priority
Expand Down