All files / src/helpers helpers.js

100% Statements 38/38
100% Branches 16/16
100% Functions 10/10
100% Lines 37/37

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157                  10x                               18x 18x 18x                     46x                 4x 4x 4x 4x 4x 8x 8x 8x 8x   4x 4x                       98x 98x 82x 82x     16x 16x         16x       15x   1x     14x       14x                     99x   99x     1x     98x         98x   98x           44x   98x                                   2x 2x                
// @flow
/* eslint-disable no-param-reassign,max-len */
// This file contain any `private` method for the Veasy
 
import is from 'is_js';
import {rulesRunner, checkIsFormOK} from './validationUtils';
import {createFieldState} from './initializationUtils';
import type {Target, UpdateFunc, Schema, FieldState, ComponentState} from "../flowTypes";
 
export const FieldStatus = {
  ok: 'ok',
  error: 'error',
  normal: 'normal'
};
 
 
 
/**
 * Check if we should change the state or not.
 *
 */
export function shouldChange(
  oldState: FieldState,
  newState: FieldState
) {
  const isErrorDifferent = oldState.status !== newState.status;
  const isValueDifferent = oldState.value !== newState.value;
  return isErrorDifferent || isValueDifferent;
}
 
/**
 * throw an error with defined text, usually calls by ruleRunner().
 */
export function throwError(
  value: mixed,
  errorText: string
) {
  // eslint-disable-next-line no-throw-literal
  throw { value, errorText, status: FieldStatus.error };
}
 
 
 
export function resetForm(
  schema: Schema,
  state: ComponentState
) {
  const newSchema = { ...schema };
  delete newSchema.collectValues;
  const newState = { ...state };
  const fieldNames = Object.keys(newSchema);
  fieldNames.forEach(name => {
    const initialFieldState = createFieldState(newSchema, name);
    newState[name].value = initialFieldState.value;
    newState[name].status = initialFieldState.status;
    newState[name].errorText = initialFieldState.errorText;
  });
  checkIsFormOK(schema, newState);
  return newState;
}
 
 
 
function updateWhenNeeded(
  newFieldState: FieldState,
  propName: string,
  update: UpdateFunc,
  schema: Schema,
  formState: ?ComponentState = undefined
) {
  const fieldState = { [propName]: newFieldState };
  if (!formState) {
    update(fieldState);
    return;
  }
 
  const oldFieldState = formState[propName];
  const newFieldState1 = {
    ...oldFieldState,
    ...fieldState[propName]
  };
 
  if (
    is.existy(oldFieldState) &&
    is.existy(newFieldState)
  ) {
    if (!shouldChange(oldFieldState, newFieldState)) return;
  } else {
    return;
  }
 
  const finalState = {
    ...formState,
    [propName]: newFieldState1
  };
  update(checkIsFormOK(schema, finalState));
}
 
 
export function startValidating(
  target: Target,
  allSchema: Schema,
  update: UpdateFunc,
  allState: ComponentState,
  targetName: ?string = undefined
) {
  const fieldName = targetName || target.name;
 
  if (is.not.existy(fieldName)) {
    // If the user includes non-form field component
    // Instead of throw, we should just ignore
    return undefined;
  }
 
  const fieldInfo = {
    value: target.value,
    schema: { [fieldName]: allSchema[fieldName] }
  };
 
  return (
    Promise.resolve(fieldInfo)
      .then(info => rulesRunner(
        info.value,
        info.schema,
        allSchema,
        allState)
      )
      .catch(errorState => errorState)
      .then(newFieldState =>
        updateWhenNeeded(
          newFieldState,
          fieldName,
          update,
          allSchema,
          allState
        )
      )
  );
}
 
export function validate(
  e: {persist: ()=>void, target: Target},
  schema: Schema,
  allState: ComponentState,
  update: UpdateFunc,
  targetName: string
) {
  e.persist();
  startValidating(
    e.target,
    schema,
    update,
    allState,
    targetName
  );
}