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{"version":3,"file":"formik.esm.js","sources":["../src/utils.ts","../src/FormikContext.tsx","../src/Formik.tsx","../src/Field.tsx","../src/Form.tsx","../src/withFormik.tsx","../src/connect.tsx","../src/FieldArray.tsx","../src/ErrorMessage.tsx","../src/FastField.tsx"],"sourcesContent":["import clone from 'lodash/clone';\nimport toPath from 'lodash/toPath';\nimport * as React from 'react';\n\n// Assertions\n\n/** @private is the value an empty array? */\nexport const isEmptyArray = (value?: any) =>\n Array.isArray(value) && value.length === 0;\n\n/** @private is the given object a Function? */\nexport const isFunction = (obj: any): obj is Function =>\n typeof obj === 'function';\n\n/** @private is the given object an Object? */\nexport const isObject = (obj: any): obj is Object =>\n obj !== null && typeof obj === 'object';\n\n/** @private is the given object an integer? */\nexport const isInteger = (obj: any): boolean =>\n String(Math.floor(Number(obj))) === obj;\n\n/** @private is the given object a string? */\nexport const isString = (obj: any): obj is string =>\n Object.prototype.toString.call(obj) === '[object String]';\n\n/** @private is the given object a NaN? */\n// eslint-disable-next-line no-self-compare\nexport const isNaN = (obj: any): boolean => obj !== obj;\n\n/** @private Does a React component have exactly 0 children? */\nexport const isEmptyChildren = (children: any): boolean =>\n React.Children.count(children) === 0;\n\n/** @private is the given object/value a promise? */\nexport const isPromise = (value: any): value is PromiseLike<any> =>\n isObject(value) && isFunction(value.then);\n\n/** @private is the given object/value a type of synthetic event? */\nexport const isInputEvent = (value: any): value is React.SyntheticEvent<any> =>\n value && isObject(value) && isObject(value.target);\n\n/**\n * Same as document.activeElement but wraps in a try-catch block. In IE it is\n * not safe to call document.activeElement if there is nothing focused.\n *\n * The activeElement will be null only if the document or document body is not\n * yet defined.\n *\n * @param {?Document} doc Defaults to current document.\n * @return {Element | null}\n * @see https://github.com/facebook/fbjs/blob/master/packages/fbjs/src/core/dom/getActiveElement.js\n */\nexport function getActiveElement(doc?: Document): Element | null {\n doc = doc || (typeof document !== 'undefined' ? document : undefined);\n if (typeof doc === 'undefined') {\n return null;\n }\n try {\n return doc.activeElement || doc.body;\n } catch (e) {\n return doc.body;\n }\n}\n\n/**\n * Deeply get a value from an object via its path.\n */\nexport function getIn(\n obj: any,\n key: string | string[],\n def?: any,\n p: number = 0\n) {\n const path = toPath(key);\n while (obj && p < path.length) {\n obj = obj[path[p++]];\n }\n return obj === undefined ? def : obj;\n}\n\n/**\n * Deeply set a value from in object via it's path. If the value at `path`\n * has changed, return a shallow copy of obj with `value` set at `path`.\n * If `value` has not changed, return the original `obj`.\n *\n * Existing objects / arrays along `path` are also shallow copied. Sibling\n * objects along path retain the same internal js reference. Since new\n * objects / arrays are only created along `path`, we can test if anything\n * changed in a nested structure by comparing the object's reference in\n * the old and new object, similar to how russian doll cache invalidation\n * works.\n *\n * In earlier versions of this function, which used cloneDeep, there were\n * issues whereby settings a nested value would mutate the parent\n * instead of creating a new object. `clone` avoids that bug making a\n * shallow copy of the objects along the update path\n * so no object is mutated in place.\n *\n * Before changing this function, please read through the following\n * discussions.\n *\n * @see https://github.com/developit/linkstate\n * @see https://github.com/jaredpalmer/formik/pull/123\n */\nexport function setIn(obj: any, path: string, value: any): any {\n let res:
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