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Diffstat (limited to 'school/node_modules/lodash/defaultTo.js')
-rw-r--r-- | school/node_modules/lodash/defaultTo.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/school/node_modules/lodash/defaultTo.js b/school/node_modules/lodash/defaultTo.js new file mode 100644 index 0000000..5b33359 --- /dev/null +++ b/school/node_modules/lodash/defaultTo.js @@ -0,0 +1,25 @@ +/** + * Checks `value` to determine whether a default value should be returned in + * its place. The `defaultValue` is returned if `value` is `NaN`, `null`, + * or `undefined`. + * + * @static + * @memberOf _ + * @since 4.14.0 + * @category Util + * @param {*} value The value to check. + * @param {*} defaultValue The default value. + * @returns {*} Returns the resolved value. + * @example + * + * _.defaultTo(1, 10); + * // => 1 + * + * _.defaultTo(undefined, 10); + * // => 10 + */ +function defaultTo(value, defaultValue) { + return (value == null || value !== value) ? defaultValue : value; +} + +module.exports = defaultTo; |