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Diffstat (limited to 'node_modules/lodash/startsWith.js')
-rw-r--r-- | node_modules/lodash/startsWith.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/lodash/startsWith.js b/node_modules/lodash/startsWith.js new file mode 100644 index 0000000..956c098 --- /dev/null +++ b/node_modules/lodash/startsWith.js @@ -0,0 +1,39 @@ +var baseClamp = require('./_baseClamp'), + baseToString = require('./_baseToString'), + toInteger = require('./toInteger'), + toString = require('./toString'); + +/** + * Checks if `string` starts with the given target string. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to inspect. + * @param {string} [target] The string to search for. + * @param {number} [position=0] The position to search from. + * @returns {boolean} Returns `true` if `string` starts with `target`, + * else `false`. + * @example + * + * _.startsWith('abc', 'a'); + * // => true + * + * _.startsWith('abc', 'b'); + * // => false + * + * _.startsWith('abc', 'b', 1); + * // => true + */ +function startsWith(string, target, position) { + string = toString(string); + position = position == null + ? 0 + : baseClamp(toInteger(position), 0, string.length); + + target = baseToString(target); + return string.slice(position, position + target.length) == target; +} + +module.exports = startsWith; |