| 1 | import baseClamp from './_baseClamp';
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| 2 | import toInteger from './toInteger';
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| 3 | import toString from './toString';
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| 4 |
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| 5 | /**
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| 6 | * Checks if `string` starts with the given target string.
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| 7 | *
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| 8 | * @static
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| 9 | * @memberOf _
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| 10 | * @since 3.0.0
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| 11 | * @category String
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| 12 | * @param {string} [string=''] The string to search.
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| 13 | * @param {string} [target] The string to search for.
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| 14 | * @param {number} [position=0] The position to search from.
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| 15 | * @returns {boolean} Returns `true` if `string` starts with `target`,
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| 16 | * else `false`.
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| 17 | * @example
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| 18 | *
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| 19 | * _.startsWith('abc', 'a');
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| 20 | * // => true
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| 21 | *
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| 22 | * _.startsWith('abc', 'b');
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| 23 | * // => false
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| 24 | *
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| 25 | * _.startsWith('abc', 'b', 1);
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| 26 | * // => true
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| 27 | */
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| 28 | function startsWith(string, target, position) {
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| 29 | string = toString(string);
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| 30 | position = baseClamp(toInteger(position), 0, string.length);
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| 31 | return string.lastIndexOf(target, position) == position;
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| 32 | }
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| 33 |
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| 34 | export default startsWith;
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