| 1 | /**
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| 2 | * The function to create JSONP callback name.
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| 3 | *
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| 4 | * @param {RequestOptions} options The request options.
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| 5 | * @returns {string} Returns the callback name.
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| 6 | */
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| 7 | function buildCalllbackName(options) {
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| 8 | var callbackName;
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| 9 |
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| 10 | do {
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| 11 | callbackName = options.jsonpCallbackName.call(null, options);
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| 12 | } while (callbackName in window);
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| 13 |
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| 14 | window[callbackName] = null;
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| 15 |
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| 16 | return callbackName;
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| 17 | }
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| 18 |
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| 19 | module.exports = buildCalllbackName;
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