feat(TextInputMapper): add component

Author: tenphi

.changeset/gold-turtles-draw.md

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+---
+'@cube-dev/ui-kit': minor
+---
+
+Add support for object values in Form.

.changeset/sour-tips-occur.md

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+---
+'@cube-dev/ui-kit': minor
+---
+
+Add TextInputMapper component.

src/components/fields/TextInputMapper/TextInputMapper.stories.tsx

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+import { StoryFn } from '@storybook/react';
+
+import { baseProps } from '../../../stories/lists/baseProps';
+import { Submit } from '../../actions';
+import { Form } from '../../form';
+import { TextInput } from '../TextInput/index';
+
+import { TextInputMapper, CubeTextInputMapperProps } from './TextInputMapper';
+
+export default {
+  title: 'Forms/TextInputMapper',
+  component: TextInputMapper,
+  parameters: {
+    controls: {
+      exclude: baseProps,
+    },
+  },
+  argTypes: {},
+};
+
+const Template: StoryFn<CubeTextInputMapperProps> = ({ ...props }) => (
+  <TextInputMapper
+    name="field"
+    {...props}
+    onChange={(value) => console.log('! onChange', value)}
+  />
+);
+
+const FormTemplate: StoryFn<CubeTextInputMapperProps> = ({ ...props }) => (
+  <Form
+    defaultValues={{ field: { name: 'value' } }}
+    labelPosition="top"
+    onSubmit={(data) => console.log('! onSubmit', data)}
+  >
+    <TextInputMapper
+      name="field"
+      label="Field Mapper"
+      {...props}
+      onChange={(value) => console.log('! onChange', value)}
+    />
+    <TextInput name="field.name" label="TextInput" />
+    <Submit>Submit</Submit>
+  </Form>
+);
+
+export const Default = Template.bind({});
+Default.args = {};
+
+export const WithValue = Template.bind({});
+WithValue.args = { value: { name: 'value' } };
+
+export const WithinForm = FormTemplate.bind({});
+WithinForm.args = {};

src/components/fields/TextInputMapper/TextInputMapper.tsx

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+import {
+  ComponentType,
+  forwardRef,
+  useEffect,
+  useMemo,
+  useRef,
+  useState,
+} from 'react';
+
+import { useEvent } from '../../../_internal/hooks';
+import { FieldBaseProps } from '../../../shared';
+import { useFieldProps, useFormProps, wrapWithField } from '../../form';
+import { CloseIcon, PlusIcon } from '../../../icons';
+import { Button } from '../../actions';
+import { Block } from '../../Block';
+import { Flow } from '../../layout/Flow';
+import { Grid } from '../../layout/Grid';
+import { Space } from '../../layout/Space';
+import { TextInput } from '../TextInput';
+
+type Mapping = {
+  key: string;
+  value: string;
+  id: number;
+};
+
+export interface CubeTextInputMapperProps extends FieldBaseProps {
+  actionLabel?: string;
+  isDisabled?: boolean;
+  value?: Record<string, string>;
+  onChange?: (value: Record<string, string> | undefined) => void;
+  InputComponent?: ComponentType<CubeTextInputMapperInputProps>;
+  keyPlaceholder?: string;
+  valuePlaceholder?: string;
+}
+
+// remove duplicates in mappings
+function removeDuplicates(mappings: Mapping[]) {
+  const keys = new Set<string>();
+
+  return mappings.filter(({ key }) => {
+    if (keys.has(key)) {
+      return false;
+    }
+
+    keys.add(key);
+
+    return true;
+  });
+}
+
+function TextInputMapper(props: CubeTextInputMapperProps, ref: any) {
+  props = useFormProps(props);
+  props = useFieldProps(props, {
+    defaultValidationTrigger: 'onChange',
+    valuePropsMapper: ({ value, onChange }) => ({
+      value: value != null ? value : {},
+      onChange: onChange,
+    }),
+  });
+
+  const counterRef = useRef(0);
+
+  let { isDisabled, actionLabel, value, onChange, InputComponent } = props;
+
+  function extractLocalValues(
+    value: Record<string, string>,
+    localValues: Mapping[],
+  ) {
+    const valueKeys = Object.keys(value);
+    const localKeys = localValues.map(({ key }) => key);
+
+    localKeys.forEach((key) => {
+      if (!valueKeys.includes(key) && key !== '') {
+        localValues = localValues.filter(({ key: k }) => k !== key);
+      }
+    });
+
+    Object.entries(value ?? {}).forEach(([key, value]) => {
+      const exist = localValues.find(({ key: k }) => k === key);
+
+      if (exist) {
+        exist.value = value;
+      } else {
+        localValues.push({ key, value, id: counterRef.current++ });
+      }
+    });
+
+    return removeDuplicates(localValues);
+  }
+
+  const [mappings, setMappings] = useState(() => {
+    return extractLocalValues(value ?? {}, []);
+  });
+
+  useEffect(() => {
+    setMappings(extractLocalValues(value ?? {}, mappings));
+  }, [JSON.stringify(value)]);
+
+  const onMappingsChange = useEvent((newMappings: Mapping[]) => {
+    const newValue = newMappings.reduce(
+      (acc, { key, value }) => {
+        acc[key] = value;
+
+        return acc;
+      },
+      {} as Record<string, string>,
+    );
+
+    const keys = Object.keys(newValue);
+
+    if (!keys.length) {
+      onChange?.(undefined);
+    } else {
+      onChange?.(newValue);
+    }
+  });
+
+  const addNewMapping = useEvent(() => {
+    setMappings((prev) => {
+      return [...prev, { key: '', value: '', id: counterRef.current++ }];
+    });
+  });
+
+  const showNewButton = useMemo(() => {
+    return (
+      !mappings.length || !mappings.some(({ key, value }) => !key || !value)
+    );
+  }, [mappings]);
+
+  InputComponent = InputComponent ?? TextInputMapperInput;
+
+  const onKeyChange = useEvent((id: number, value: string) => {
+    mappings.find((mapping) => {
+      if (mapping.id === id) {
+        mapping.key = value;
+      }
+    });
+
+    setMappings([...mappings]);
+  });
+
+  const onValueChange = useEvent((id: number, value: string) => {
+    mappings.find((mapping) => {
+      if (mapping.id === id) {
+        mapping.value = value;
+      }
+    });
+
+    setMappings([...mappings]);
+  });
+
+  const onSubmit = useEvent(() => {
+    onMappingsChange(mappings);
+  });
+
+  const renderedMappings = useMemo(() => {
+    return mappings.map((mapping) => {
+      const { key, value, id } = mapping;
+
+      return (
+        <Grid
+          key={id}
+          columns="minmax(0, 1fr) minmax(0, 1fr) min-content"
+          gap="1x"
+        >
+          <TextInputMapperInput
+            id={id}
+            isDisabled={isDisabled}
+            type="name"
+            value={key}
+            placeholder={props.keyPlaceholder || 'Key'}
+            onChange={onKeyChange}
+            onSubmit={onSubmit}
+          />
+          <InputComponent
+            id={id}
+            type="value"
+            isDisabled={!key || isDisabled}
+            value={value}
+            placeholder={props.valuePlaceholder || 'Value'}
+            onChange={onValueChange}
+            onSubmit={onSubmit}
+          />
+          <Button
+            aria-label="Remove mapping"
+            theme="danger"
+            type="clear"
+            icon={<CloseIcon />}
+            onPress={() => {
+              setMappings(mappings.filter((m) => m.id !== id));
+              onMappingsChange(mappings.filter((m) => m.id !== id));
+            }}
+          />
+        </Grid>
+      );
+    });
+  }, [JSON.stringify(mappings)]);
+
+  const element = (
+    <Flow gap="1x">
+      {[...renderedMappings]}
+      {showNewButton ? (
+        <Space gap={0}>
+          {/** Hotfix for inconsistent alignment with the label **/}
+          <Block styles={{ overflow: 'clip', width: 'max 0px' }}>&nbsp;</Block>
+          <Button
+            isDisabled={isDisabled}
+            icon={<PlusIcon />}
+            onPress={addNewMapping}
+          >
+            {actionLabel ? actionLabel : 'Mapping'}
+          </Button>
+        </Space>
+      ) : null}
+    </Flow>
+  );
+
+  return wrapWithField(element, ref, props);
+}
+
+export interface CubeTextInputMapperInputProps {
+  id: number;
+  type: 'name' | 'value';
+  value?: string;
+  placeholder?: string;
+  onChange?: (id: number, newValue: string) => void;
+  onSubmit?: (id: number) => void;
+  isDisabled?: boolean;
+}
+
+function TextInputMapperInput(props: CubeTextInputMapperInputProps) {
+  const { id, type, value, placeholder, ...rest } = props;
+
+  const onChange = useEvent((newValue: string) => {
+    props.onChange?.(id, newValue);
+  });
+
+  const onBlur = useEvent(() => {
+    props.onSubmit?.(id);
+  });
+
+  return (
+    <TextInput
+      width="auto"
+      {...rest}
+      id={undefined}
+      value={value}
+      labelPosition="top"
+      aria-label={placeholder}
+      placeholder={placeholder}
+      onChange={onChange}
+      onBlur={onBlur}
+    />
+  );
+}
+
+const _TextInputMapper = forwardRef(TextInputMapper);
+
+export { _TextInputMapper as TextInputMapper };