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phorge-phorge/webroot/rsrc/externals/javelin/lib/behavior.js
epriestley 0569218201 Use JsShrink if jsxmin is not available
Summary: If `jsxmin` is not available, use a pure PHP implementation instead (JsShrink).

Test Plan:
  - Ran `arc lint --lintall` on all JS and fixed every relevant warning.
  - Forced minification on and browsed around the site using JS behaviors. Didn't hit anything problematic.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5670
2013-05-18 17:04:22 -07:00

111 lines
3.1 KiB
JavaScript

/**
* @provides javelin-behavior
* @requires javelin-magical-init
* javelin-util
*
* @javelin-installs JX.behavior
* @javelin-installs JX.initBehaviors
*
* @javelin
*/
/**
* Define a Javelin behavior, which holds glue code in a structured way. See
* @{article:Concepts: Behaviors} for a detailed description of Javelin
* behaviors.
*
* To define a behavior, provide a name and a function:
*
* JX.behavior('win-a-hog', function(config, statics) {
* alert("YOU WON A HOG NAMED " + config.hogName + "!");
* });
*
* @param string Behavior name.
* @param function Behavior callback/definition.
* @return void
* @group behavior
*/
JX.behavior = function(name, control_function) {
if (__DEV__) {
if (JX.behavior._behaviors.hasOwnProperty(name)) {
JX.$E(
'JX.behavior("' + name + '", ...): '+
'behavior is already registered.');
}
if (!control_function) {
JX.$E(
'JX.behavior("' + name + '", <nothing>): '+
'initialization function is required.');
}
if (typeof control_function != 'function') {
JX.$E(
'JX.behavior("' + name + '", <garbage>): ' +
'initialization function is not a function.');
}
// IE does not enumerate over these properties
var enumerables = {
toString: true,
hasOwnProperty: true,
valueOf: true,
isPrototypeOf: true,
propertyIsEnumerable: true,
toLocaleString: true,
constructor: true
};
if (enumerables[name]) {
JX.$E(
'JX.behavior("' + name + '", <garbage>): ' +
'do not use this property as a behavior.'
);
}
}
JX.behavior._behaviors[name] = control_function;
JX.behavior._statics[name] = {};
};
/**
* Execute previously defined Javelin behaviors, running the glue code they
* contain to glue stuff together. See @{article:Concepts: Behaviors} for more
* information on Javelin behaviors.
*
* Normally, you do not call this function yourself; instead, your server-side
* library builds it for you.
*
* @param dict Map of behaviors to invoke: keys are behavior names, and values
* are lists of configuration dictionaries. The behavior will be
* invoked once for each configuration dictionary.
* @return void
* @group behavior
*/
JX.initBehaviors = function(map) {
var missing_behaviors = [];
for (var name in map) {
if (!(name in JX.behavior._behaviors)) {
missing_behaviors.push(name);
continue;
}
var configs = map[name];
if (!configs.length) {
if (JX.behavior._initialized.hasOwnProperty(name)) {
continue;
}
configs = [null];
}
for (var ii = 0; ii < configs.length; ii++) {
JX.behavior._behaviors[name](configs[ii], JX.behavior._statics[name]);
}
JX.behavior._initialized[name] = true;
}
if (missing_behaviors.length) {
JX.$E(
'JX.initBehavior(map): behavior(s) not registered: ' +
missing_behaviors.join(', ')
);
}
};
JX.behavior._behaviors = {};
JX.behavior._statics = {};
JX.behavior._initialized = {};
JX.flushHoldingQueue('behavior', JX.behavior);