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25 lines
663 B
25 lines
663 B
import before from './before.js'; |
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/** |
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* Creates a function that is restricted to invoking `func` once. Repeat calls |
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* to the function return the value of the first invocation. The `func` is |
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* invoked with the `this` binding and arguments of the created function. |
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* |
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* @static |
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* @memberOf _ |
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* @since 0.1.0 |
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* @category Function |
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* @param {Function} func The function to restrict. |
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* @returns {Function} Returns the new restricted function. |
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* @example |
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* |
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* var initialize = _.once(createApplication); |
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* initialize(); |
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* initialize(); |
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* // => `createApplication` is invoked once |
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*/ |
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function once(func) { |
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return before(2, func); |
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} |
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export default once;
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