@ng-flexy/form
Version:
Flexy components and tools to build Angular 8+ applications
215 lines • 27.7 kB
JavaScript
import { FormArray, FormControl } from '@angular/forms';
import { get, has, merge, set } from 'lodash';
import * as jsonata_ from 'jsonata';
const jsonata = jsonata_;
const ifExpressionsCache = {};
const calculatedExpresionCache = {};
export var FlexyFormDataMode;
(function (FlexyFormDataMode) {
FlexyFormDataMode["All"] = "all";
FlexyFormDataMode["Dirty"] = "dirty";
FlexyFormDataMode["Touched"] = "toched";
})(FlexyFormDataMode || (FlexyFormDataMode = {}));
export function findErrors(schema, currentData) {
const errors = {};
for (const item of schema) {
if (checkIf(item, currentData) && item.items) {
item.items.forEach((aItem, index) => {
const arrItemError = findErrors([aItem], currentData);
if (arrItemError && Object.values(arrItemError).length) {
errors[item.formName + '.' + index] = arrItemError;
}
});
}
else if (checkIf(item, currentData) &&
item.formName &&
item.formControl &&
item.formControl.invalid) {
errors[item.formName] = item.formControl.errors;
}
if (checkIf(item, currentData) && item.children) {
Object.assign(errors, findErrors(item.children, currentData));
}
}
return errors;
}
export function findSchema(fieldName, schema) {
for (const item of schema) {
if (item.formName && item.formName === fieldName) {
return item;
}
else if (item.children) {
const childSchema = findSchema(fieldName, item.children);
if (childSchema) {
return childSchema;
}
}
}
return null;
}
export function calculate(calcExp, data) {
let value;
try {
if (!calculatedExpresionCache[calcExp]) {
calculatedExpresionCache[calcExp] = jsonata(calcExp);
}
value = calculatedExpresionCache[calcExp].evaluate(data);
}
catch (e) {
// console.error(e);
value = null;
}
return value;
}
export function getSchemaData(schemas, currentData, mode = FlexyFormDataMode.All) {
let data = {};
if (schemas) {
schemas.forEach(schema => {
const fieldSchema = schema;
if (checkIf(fieldSchema, currentData)) {
const isFormControl = fieldSchema.formControl && fieldSchema.formName;
if (isFormControl && fieldSchema.formControl instanceof FormControl) {
if (checkSchemaData(fieldSchema.formControl, mode)) {
set(data, fieldSchema.formName, fieldSchema.formControl.value);
}
}
else if (isFormControl && fieldSchema.formControl instanceof FormArray) {
const arrayData = getArrayData(fieldSchema, currentData, mode, data);
if (mode === FlexyFormDataMode.All) {
set(data, fieldSchema.formName, Object.values(arrayData));
}
else if (!isInputEmpty(arrayData)) {
set(data, fieldSchema.formName, arrayData);
}
}
if (checkIf(fieldSchema, currentData)) {
data = merge(data, getSchemaData(fieldSchema.children, currentData, mode));
}
}
});
}
return data;
}
export function findRemoved(allData, originalData) {
const removed = {};
if (originalData) {
Object.keys(originalData).forEach(key => {
const path = key;
if (!isInputEmpty(originalData[key]) && isInputEmpty(allData[key])) {
set(removed, path, null);
}
else if (originalData[key] && Array.isArray(originalData[key])) {
originalData[key].forEach((item, index) => {
if (!isInputEmpty(item) && isInputEmpty(allData[key][index])) {
if (!has(removed, path)) {
set(removed, path, {});
}
const v = get(removed, path);
v['' + index] = null;
}
else if (item && isObject(item)) {
const founded = findRemoved(allData[key][index], item);
if (founded && !isInputEmpty(founded)) {
if (!has(removed, path)) {
set(removed, path, {});
}
const v = get(removed, path);
v['' + index] = founded;
}
}
});
}
else if (originalData[key] && isObject(originalData[key])) {
const founded = findRemoved(allData[key], originalData[key]);
if (founded && !isInputEmpty(founded)) {
set(removed, path, founded);
}
}
});
}
return removed;
}
export function clearEmptyArrayAndObjects(data) {
if (data) {
if (isObject(data)) {
Object.keys(data).forEach(key => {
if (isEmptyStructure(data[key])) {
delete data[key];
}
else if (isObject(data[key])) {
clearEmptyArrayAndObjects(data[key]);
}
});
}
}
}
function isObject(a) {
return !!a && a.constructor === Object;
}
function checkIf(fieldSchema, currentData) {
if (!fieldSchema.if) {
return true;
}
const ifName = 'IF_' + fieldSchema.if;
let ret;
try {
if (!ifExpressionsCache[ifName]) {
ifExpressionsCache[ifName] = jsonata(fieldSchema.if);
}
ret = ifExpressionsCache[ifName].evaluate(currentData ? currentData : {});
}
catch (e) {
// console.error(e);
ret = null;
}
return !!ret;
}
function getArrayData(fieldSchema, currentData, mode, data) {
const arrayData = {};
fieldSchema.items.forEach((item, index) => {
const itemFormControl = item.formControl;
if (!itemFormControl || checkSchemaData(itemFormControl, mode)) {
if (item.children) {
const itemData = getSchemaData(item.children, currentData, mode);
if (!isInputEmpty(itemData)) {
arrayData['' + index] = itemData;
}
}
else {
arrayData['' + index] = item.formControl.value;
}
}
});
return arrayData;
}
function checkSchemaData(control, mode) {
return (control &&
(mode === FlexyFormDataMode.All ||
(mode === FlexyFormDataMode.Dirty && control.dirty) ||
(mode === FlexyFormDataMode.Touched && control.touched)));
}
function isInputEmpty(v) {
return v === void 0 || v === '';
}
function isEmptyStructure(data) {
let ret = true;
if (Array.isArray(data)) {
if (data.length > 0) {
data.forEach(item => {
ret = ret && isEmptyStructure(item);
});
}
}
else if (isObject(data)) {
if (Object.keys(data).length > 0) {
Object.keys(data).forEach(key => {
ret = ret && isEmptyStructure(data[key]);
});
}
}
else {
return isInputEmpty(data);
}
return ret;
}
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{ FlexyFormFieldLayoutSchema, FlexyFormLayoutSchema } from './layout-schema.model';\nimport { FlexyFormData } from './form.data';\nimport { AbstractControl, FormArray, FormControl } from '@angular/forms';\nimport { get, has, merge, set } from 'lodash';\nimport * as jsonata_ from 'jsonata';\n\nconst jsonata = jsonata_;\n\nconst ifExpressionsCache = {};\nconst calculatedExpresionCache = {};\n\nexport enum FlexyFormDataMode {\n  All = 'all',\n  Dirty = 'dirty',\n  Touched = 'toched'\n}\n\nexport function findErrors(schema: FlexyFormLayoutSchema[], currentData: FlexyFormData): { [key: string]: any } {\n  const errors = {};\n  for (const item of schema) {\n    if (checkIf(item as FlexyFormFieldLayoutSchema, currentData) && (item as FlexyFormFieldLayoutSchema).items) {\n      (item as FlexyFormFieldLayoutSchema).items.forEach((aItem, index) => {\n        const arrItemError = findErrors([aItem], currentData);\n        if (arrItemError && Object.values(arrItemError).length) {\n          errors[(item as FlexyFormFieldLayoutSchema).formName + '.' + index] = arrItemError;\n        }\n      });\n    } else if (\n      checkIf(item as FlexyFormFieldLayoutSchema, currentData) &&\n      (item as FlexyFormFieldLayoutSchema).formName &&\n      (item as FlexyFormFieldLayoutSchema).formControl &&\n      (item as FlexyFormFieldLayoutSchema).formControl.invalid\n    ) {\n      errors[(item as FlexyFormFieldLayoutSchema).formName] = (item as FlexyFormFieldLayoutSchema).formControl.errors;\n    }\n    if (checkIf(item as FlexyFormFieldLayoutSchema, currentData) && item.children) {\n      Object.assign(errors, findErrors(item.children, currentData));\n    }\n  }\n  return errors;\n}\n\nexport function findSchema(fieldName: string, schema: FlexyFormLayoutSchema[]): FlexyFormFieldLayoutSchema {\n  for (const item of schema) {\n    if ((item as FlexyFormFieldLayoutSchema).formName && (item as FlexyFormFieldLayoutSchema).formName === fieldName) {\n      return item as FlexyFormFieldLayoutSchema;\n    } else if (item.children) {\n      const childSchema = findSchema(fieldName, item.children);\n      if (childSchema) {\n        return childSchema;\n      }\n    }\n  }\n  return null;\n}\n\nexport function calculate(calcExp: string, data: any) {\n  let value;\n  try {\n    if (!calculatedExpresionCache[calcExp]) {\n      calculatedExpresionCache[calcExp] = jsonata(calcExp);\n    }\n    value = calculatedExpresionCache[calcExp].evaluate(data);\n  } catch (e) {\n    // console.error(e);\n    value = null;\n  }\n  return value;\n}\n\nexport function getSchemaData(schemas: FlexyFormLayoutSchema[], currentData: FlexyFormData, mode = FlexyFormDataMode.All): FlexyFormData {\n  let data: FlexyFormData = {};\n  if (schemas) {\n    schemas.forEach(schema => {\n      const fieldSchema: FlexyFormFieldLayoutSchema = schema as FlexyFormFieldLayoutSchema;\n      if (checkIf(fieldSchema, currentData)) {\n        const isFormControl = fieldSchema.formControl && fieldSchema.formName;\n        if (isFormControl && fieldSchema.formControl instanceof FormControl) {\n          if (checkSchemaData(fieldSchema.formControl, mode)) {\n            set(data, fieldSchema.formName, fieldSchema.formControl.value);\n          }\n        } else if (isFormControl && fieldSchema.formControl instanceof FormArray) {\n          const arrayData = getArrayData(fieldSchema, currentData, mode, data);\n\n          if (mode === FlexyFormDataMode.All) {\n            set(data, fieldSchema.formName, Object.values(arrayData));\n          } else if (!isInputEmpty(arrayData)) {\n            set(data, fieldSchema.formName, arrayData);\n          }\n        }\n\n        if (checkIf(fieldSchema, currentData)) {\n          data = merge(data, getSchemaData(fieldSchema.children, currentData, mode));\n        }\n      }\n    });\n  }\n  return data;\n}\n\nexport function findRemoved(allData, originalData) {\n  const removed = {};\n  if (originalData) {\n    Object.keys(originalData).forEach(key => {\n      const path = key;\n      if (!isInputEmpty(originalData[key]) && isInputEmpty(allData[key])) {\n        set(removed, path, null);\n      } else if (originalData[key] && Array.isArray(originalData[key])) {\n        originalData[key].forEach((item, index) => {\n          if (!isInputEmpty(item) && isInputEmpty(allData[key][index])) {\n            if (!has(removed, path)) {\n              set(removed, path, {});\n            }\n            const v = get(removed, path);\n            v['' + index] = null;\n          } else if (item && isObject(item)) {\n            const founded = findRemoved(allData[key][index], item);\n            if (founded && !isInputEmpty(founded)) {\n              if (!has(removed, path)) {\n                set(removed, path, {});\n              }\n              const v = get(removed, path);\n              v['' + index] = founded;\n            }\n          }\n        });\n      } else if (originalData[key] && isObject(originalData[key])) {\n        const founded = findRemoved(allData[key], originalData[key]);\n        if (founded && !isInputEmpty(founded)) {\n          set(removed, path, founded);\n        }\n      }\n    });\n  }\n  return removed;\n}\n\nexport function clearEmptyArrayAndObjects(data: { [key: string]: any }) {\n  if (data) {\n    if (isObject(data)) {\n      Object.keys(data).forEach(key => {\n        if (isEmptyStructure(data[key])) {\n          delete data[key];\n        } else if (isObject(data[key])) {\n          clearEmptyArrayAndObjects(data[key]);\n        }\n      });\n    }\n  }\n}\n\nfunction isObject(a) {\n  return !!a && a.constructor === Object;\n}\n\nfunction checkIf(fieldSchema: FlexyFormFieldLayoutSchema, currentData: FlexyFormData): boolean {\n  if (!fieldSchema.if) {\n    return true;\n  }\n  const ifName = 'IF_' + fieldSchema.if;\n  let ret;\n  try {\n    if (!ifExpressionsCache[ifName]) {\n      ifExpressionsCache[ifName] = jsonata(fieldSchema.if);\n    }\n    ret = ifExpressionsCache[ifName].evaluate(currentData ? currentData : {});\n  } catch (e) {\n    // console.error(e);\n    ret = null;\n  }\n  return !!ret;\n}\n\nfunction getArrayData(\n  fieldSchema: FlexyFormFieldLayoutSchema,\n  currentData: FlexyFormData,\n  mode: FlexyFormDataMode,\n  data: {[name: string]: any}\n) {\n  const arrayData = {};\n  fieldSchema.items.forEach((item: FlexyFormLayoutSchema, index) => {\n    const itemFormControl = (item as FlexyFormFieldLayoutSchema).formControl;\n    if (!itemFormControl || checkSchemaData(itemFormControl, mode)) {\n      if (item.children) {\n        const itemData = getSchemaData(item.children, currentData, mode);\n        if (!isInputEmpty(itemData)) {\n          arrayData['' + index] = itemData;\n        }\n      } else {\n        arrayData['' + index] = (item as FlexyFormFieldLayoutSchema).formControl.value;\n      }\n    }\n  });\n\n  return arrayData;\n}\n\nfunction checkSchemaData(control: AbstractControl, mode: FlexyFormDataMode) {\n  return (\n    control &&\n    (mode === FlexyFormDataMode.All ||\n      (mode === FlexyFormDataMode.Dirty && control.dirty) ||\n      (mode === FlexyFormDataMode.Touched && control.touched))\n  );\n}\n\nfunction isInputEmpty(v) {\n  return v === void 0 || v === '';\n}\n\nfunction isEmptyStructure(data: any) {\n  let ret = true;\n  if (Array.isArray(data)) {\n    if (data.length > 0) {\n      data.forEach(item => {\n        ret = ret && isEmptyStructure(item);\n      });\n    }\n  } else if (isObject(data)) {\n    if (Object.keys(data).length > 0) {\n      Object.keys(data).forEach(key => {\n        ret = ret && isEmptyStructure(data[key]);\n      });\n    }\n  } else {\n    return isInputEmpty(data);\n  }\n  return ret;\n}\n"]}