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const Hook = { |
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hooks: { action: {}, filter: {} }, |
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addAction( action, callable, priority, tag ) { |
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this.addHook( 'action', action, callable, priority, tag ); |
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return this; |
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}, |
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addFilter( action, callable, priority, tag ) { |
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this.addHook( 'filter', action, callable, priority, tag ); |
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return this; |
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}, |
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doAction( action ) { |
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return this.doHook( 'action', action, arguments ); |
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}, |
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applyFilters( action ) { |
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return this.doHook( 'filter', action, arguments ); |
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}, |
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removeAction( action, tag ) { |
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this.removeHook( 'action', action, tag ); |
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return this; |
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}, |
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removeFilter( action, priority, tag ) { |
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this.removeHook( 'filter', action, priority, tag ); |
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return this; |
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}, |
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addHook( hookType, action, callable, priority, tag ) { |
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if ( undefined === this.hooks[ hookType ][ action ] ) { |
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this.hooks[ hookType ][ action ] = []; |
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} |
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const hooks = this.hooks[ hookType ][ action ]; |
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if ( undefined === tag ) { |
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tag = action + '_' + hooks.length; |
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} |
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this.hooks[ hookType ][ action ].push( { tag, callable, priority } ); |
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return this; |
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}, |
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doHook( hookType, action, args ) { |
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args = Array.prototype.slice.call( args, 1 ); |
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|
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if ( undefined !== this.hooks[ hookType ][ action ] ) { |
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let hooks = this.hooks[ hookType ][ action ], |
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hook; |
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|
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hooks.sort( function( a, b ) { |
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return a.priority - b.priority; |
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} ); |
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|
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for ( let i = 0; i < hooks.length; i++ ) { |
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hook = hooks[ i ].callable; |
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if ( typeof hook !== 'function' ) { |
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hook = window[ hook ]; |
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} |
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|
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if ( 'action' === hookType ) { |
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args[ i ] = hook.apply( null, args ); |
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} else { |
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args[ 0 ] = hook.apply( null, args ); |
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} |
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} |
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} |
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|
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if ( 'filter' === hookType ) { |
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return args[ 0 ]; |
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} |
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return args; |
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}, |
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removeHook( hookType, action, priority, tag ) { |
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if ( undefined !== this.hooks[ hookType ][ action ] ) { |
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const hooks = this.hooks[ hookType ][ action ]; |
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for ( let i = hooks.length - 1; i >= 0; i-- ) { |
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if ( ( undefined === tag || tag === hooks[ i ].tag ) && ( undefined === priority || priority === hooks[ i ].priority ) ) { |
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hooks.splice( i, 1 ); |
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} |
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} |
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} |
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return this; |
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}, |
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}; |
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|
| 79 |
export default Hook; |
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