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0569218201
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
111 lines
3.1 KiB
JavaScript
111 lines
3.1 KiB
JavaScript
/**
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* @provides javelin-behavior
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* @requires javelin-magical-init
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* javelin-util
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*
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* @javelin-installs JX.behavior
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* @javelin-installs JX.initBehaviors
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*
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* @javelin
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*/
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/**
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* Define a Javelin behavior, which holds glue code in a structured way. See
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* @{article:Concepts: Behaviors} for a detailed description of Javelin
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* behaviors.
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*
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* To define a behavior, provide a name and a function:
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*
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* JX.behavior('win-a-hog', function(config, statics) {
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* alert("YOU WON A HOG NAMED " + config.hogName + "!");
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* });
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*
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* @param string Behavior name.
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* @param function Behavior callback/definition.
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* @return void
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* @group behavior
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*/
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JX.behavior = function(name, control_function) {
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if (__DEV__) {
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if (JX.behavior._behaviors.hasOwnProperty(name)) {
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JX.$E(
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'JX.behavior("' + name + '", ...): '+
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'behavior is already registered.');
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}
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if (!control_function) {
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JX.$E(
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'JX.behavior("' + name + '", <nothing>): '+
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'initialization function is required.');
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}
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if (typeof control_function != 'function') {
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JX.$E(
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'JX.behavior("' + name + '", <garbage>): ' +
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'initialization function is not a function.');
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}
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// IE does not enumerate over these properties
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var enumerables = {
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toString: true,
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hasOwnProperty: true,
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valueOf: true,
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isPrototypeOf: true,
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propertyIsEnumerable: true,
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toLocaleString: true,
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constructor: true
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};
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if (enumerables[name]) {
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JX.$E(
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'JX.behavior("' + name + '", <garbage>): ' +
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'do not use this property as a behavior.'
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);
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}
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}
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JX.behavior._behaviors[name] = control_function;
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JX.behavior._statics[name] = {};
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};
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/**
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* Execute previously defined Javelin behaviors, running the glue code they
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* contain to glue stuff together. See @{article:Concepts: Behaviors} for more
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* information on Javelin behaviors.
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*
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* Normally, you do not call this function yourself; instead, your server-side
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* library builds it for you.
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*
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* @param dict Map of behaviors to invoke: keys are behavior names, and values
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* are lists of configuration dictionaries. The behavior will be
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* invoked once for each configuration dictionary.
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* @return void
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* @group behavior
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*/
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JX.initBehaviors = function(map) {
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var missing_behaviors = [];
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for (var name in map) {
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if (!(name in JX.behavior._behaviors)) {
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missing_behaviors.push(name);
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continue;
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}
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var configs = map[name];
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if (!configs.length) {
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if (JX.behavior._initialized.hasOwnProperty(name)) {
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continue;
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}
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configs = [null];
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}
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for (var ii = 0; ii < configs.length; ii++) {
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JX.behavior._behaviors[name](configs[ii], JX.behavior._statics[name]);
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}
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JX.behavior._initialized[name] = true;
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}
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if (missing_behaviors.length) {
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JX.$E(
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'JX.initBehavior(map): behavior(s) not registered: ' +
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missing_behaviors.join(', ')
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);
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}
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};
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JX.behavior._behaviors = {};
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JX.behavior._statics = {};
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JX.behavior._initialized = {};
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JX.flushHoldingQueue('behavior', JX.behavior);
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