composer set correct numberOfLines on intitial render

src/ONYXKEYS.js

@@ -105,6 +105,7 @@ export default {
         REPORT: 'report_',
         REPORT_ACTIONS: 'reportActions_',
         REPORT_DRAFT_COMMENT: 'reportDraftComment_',
+        REPORT_DRAFT_COMMENT_NUMBER_OF_LINES: 'reportDraftCommentNumberOfLines_',
         REPORT_ACTIONS_DRAFTS: 'reportActionsDrafts_',
         REPORT_USER_IS_TYPING: 'reportUserIsTyping_',
         POLICY: 'policy_',

src/components/Composer/index.js

@@ -26,6 +26,12 @@ const propTypes = {
     /** The value of the comment box */
     value: PropTypes.string,
 
+    /** Number of lines for the comment */
+    numberOfLines: PropTypes.number,
+
+    /** Callback method to update number of lines for the comment */
+    onNumberOfLinesChange: PropTypes.func,
+
     /** Callback method to handle pasting a file */
     onPasteFile: PropTypes.func,
 
@@ -75,6 +81,8 @@ const propTypes = {
 const defaultProps = {
     defaultValue: undefined,
     value: undefined,
+    numberOfLines: 1,
+    onNumberOfLinesChange: () => {},
     maxLines: -1,
     onPasteFile: () => {},
     shouldClear: false,
@@ -116,7 +124,7 @@ class Composer extends React.Component {
             : `${props.value || ''}`;
 
         this.state = {
-            numberOfLines: 1,
+            numberOfLines: props.numberOfLines || 1,
             selection: {
                 start: initialValue.length,
                 end: initialValue.length,
@@ -162,7 +170,8 @@ class Composer extends React.Component {
         if (prevProps.value !== this.props.value
             || prevProps.defaultValue !== this.props.defaultValue
             || prevProps.isComposerFullSize !== this.props.isComposerFullSize
-            || prevProps.windowWidth !== this.props.windowWidth) {
+            || prevProps.windowWidth !== this.props.windowWidth
+            || prevProps.numberOfLines !== this.props.numberOfLines) {
             this.updateNumberOfLines();
         }
 
@@ -334,11 +343,13 @@ class Composer extends React.Component {
             const lineHeight = parseInt(computedStyle.lineHeight, 10) || 20;
             const paddingTopAndBottom = parseInt(computedStyle.paddingBottom, 10)
             + parseInt(computedStyle.paddingTop, 10);
-            const numberOfLines = getNumberOfLines(this.props.maxLines, lineHeight, paddingTopAndBottom, this.textInput.scrollHeight);
+            const computedNumberOfLines = getNumberOfLines(this.props.maxLines, lineHeight, paddingTopAndBottom, this.textInput.scrollHeight);
+            const numberOfLines = computedNumberOfLines === 0 ? Math.max(this.props.numberOfLines, 1) : computedNumberOfLines;
             updateIsFullComposerAvailable(this.props, numberOfLines);
             this.setState({
                 numberOfLines,
             });
+            this.props.onNumberOfLinesChange(numberOfLines);
         });
     }
 
@@ -357,7 +368,6 @@ class Composer extends React.Component {
                 selection={this.state.selection}
                 onChange={this.shouldCallUpdateNumberOfLines}
                 onSelectionChange={this.onSelectionChange}
-                numberOfLines={this.state.numberOfLines}
                 style={[
                     propStyles,
 
@@ -367,6 +377,7 @@ class Composer extends React.Component {
                 ]}
                 /* eslint-disable-next-line react/jsx-props-no-spreading */
                 {...propsWithoutStyles}
+                numberOfLines={this.state.numberOfLines}
                 disabled={this.props.isDisabled}
             />
         );

src/libs/actions/Report.js

@@ -630,6 +630,15 @@ function saveReportComment(reportID, comment) {
     Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT}${reportID}`, comment);
 }
 
+/**
+ * Saves the number of lines for the comment
+ * @param {String} reportID
+ * @param {Number} numberOfLines
+ */
+function saveReportCommentNumberOfLines(reportID, numberOfLines) {
+    Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT_NUMBER_OF_LINES}${reportID}`, numberOfLines);
+}
+
 /**
  * Immediate indication whether the report has a draft comment.
  *
@@ -935,6 +944,16 @@ function saveReportActionDraft(reportID, reportActionID, draftMessage) {
     Onyx.set(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_DRAFTS}${reportID}_${reportActionID}`, draftMessage);
 }
 
+/**
+ * Saves the number of lines for the report action draft
+ * @param {String} reportID
+ * @param {Number} reportActionID
+ * @param {Number} numberOfLines
+ */
+function saveReportActionDraftNumberOfLines(reportID, reportActionID, numberOfLines) {
+    Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT_NUMBER_OF_LINES}${reportID}_${reportActionID}`, numberOfLines);
+}
+
 /**
  * @param {String} reportID
  * @param {String} previousValue
@@ -1375,11 +1394,13 @@ export {
     subscribeToReportCommentPushNotifications,
     unsubscribeFromReportChannel,
     saveReportComment,
+    saveReportCommentNumberOfLines,
     broadcastUserIsTyping,
     togglePinnedState,
     editReportComment,
     handleUserDeletedLinks,
     saveReportActionDraft,
+    saveReportActionDraftNumberOfLines,
     deleteReportComment,
     navigateToConciergeChat,
     setReportWithDraft,

src/pages/home/report/ReportActionCompose.js

@@ -62,6 +62,9 @@ const propTypes = {
     /** The comment left by the user */
     comment: PropTypes.string,
 
+    /** Number of lines for the comment */
+    numberOfLines: PropTypes.number,
+
     /** The ID of the report actions will be created for */
     reportID: PropTypes.string.isRequired,
 
@@ -107,6 +110,7 @@ const propTypes = {
 const defaultProps = {
     betas: [],
     comment: '',
+    numberOfLines: 1,
     modal: {},
     report: {},
     reportActions: [],
@@ -550,6 +554,14 @@ class ReportActionCompose extends React.Component {
         }
     }
 
+    /**
+     * Update the number of lines for a comment in Onyx
+     * @param {Number} numberOfLines
+     */
+    updateNumberOfLines(numberOfLines) {
+        Report.saveReportCommentNumberOfLines(this.props.reportID, numberOfLines);
+    }
+
     /**
      * Listens for keyboard shortcuts and applies the action
      *
@@ -823,6 +835,8 @@ class ReportActionCompose extends React.Component {
                                             setIsFullComposerAvailable={this.setIsFullComposerAvailable}
                                             isComposerFullSize={this.props.isComposerFullSize}
                                             value={this.state.value}
+                                            numberOfLines={this.props.numberOfLines}
+                                            onNumberOfLinesChange={numberOfLines => this.updateNumberOfLines(numberOfLines)}
                                             onLayout={(e) => {
                                                 const composerHeight = e.nativeEvent.layout.height;
                                                 if (this.state.composerHeight === composerHeight) {
@@ -925,6 +939,9 @@ export default compose(
         comment: {
             key: ({reportID}) => `${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT}${reportID}`,
         },
+        numberOfLines: {
+            key: ({reportID}) => `${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT_NUMBER_OF_LINES}${reportID}`,
+        },
         modal: {
             key: ONYXKEYS.MODAL,
         },

src/pages/home/report/ReportActionItemMessageEdit.js

@@ -4,6 +4,7 @@ import {InteractionManager, Keyboard, View} from 'react-native';
 import PropTypes from 'prop-types';
 import _ from 'underscore';
 import ExpensiMark from 'expensify-common/lib/ExpensiMark';
+import {withOnyx} from 'react-native-onyx';
 import reportActionPropTypes from './reportActionPropTypes';
 import styles from '../../../styles/styles';
 import Composer from '../../../components/Composer';
@@ -24,6 +25,7 @@ import CONST from '../../../CONST';
 import withWindowDimensions, {windowDimensionsPropTypes} from '../../../components/withWindowDimensions';
 import withLocalize, {withLocalizePropTypes} from '../../../components/withLocalize';
 import withKeyboardState, {keyboardStatePropTypes} from '../../../components/withKeyboardState';
+import ONYXKEYS from '../../../ONYXKEYS';
 
 const propTypes = {
     /** All the data of the action */
@@ -32,6 +34,9 @@ const propTypes = {
     /** Draft message */
     draftMessage: PropTypes.string.isRequired,
 
+    /** Number of lines for the draft message */
+    numberOfLines: PropTypes.number,
+
     /** ReportID that holds the comment we're editing */
     reportID: PropTypes.string.isRequired,
 
@@ -57,6 +62,7 @@ const defaultProps = {
     forwardedRef: () => {},
     report: {},
     shouldDisableEmojiPicker: false,
+    numberOfLines: 1,
 };
 
 class ReportActionItemMessageEdit extends React.Component {
@@ -136,6 +142,14 @@ class ReportActionItemMessageEdit extends React.Component {
         }
     }
 
+    /**
+     * Update the number of lines for a draft in Onyx
+     * @param {Number} numberOfLines
+     */
+    updateNumberOfLines(numberOfLines) {
+        Report.saveReportActionDraftNumberOfLines(this.props.reportID, this.props.action.reportActionID, numberOfLines);
+    }
+
     /**
      * Delete the draft of the comment being edited. This will take the comment out of "edit mode" with the old content.
      */
@@ -273,6 +287,8 @@ class ReportActionItemMessageEdit extends React.Component {
                         }}
                         selection={this.state.selection}
                         onSelectionChange={this.onSelectionChange}
+                        numberOfLines={this.props.numberOfLines}
+                        onNumberOfLinesChange={numberOfLines => this.updateNumberOfLines(numberOfLines)}
                     />
                     <View style={styles.editChatItemEmojiWrapper}>
                         <EmojiPickerButton
@@ -314,6 +330,12 @@ export default compose(
     withLocalize,
     withWindowDimensions,
     withKeyboardState,
+    withOnyx({
+        numberOfLines: {
+            key: ({reportID, action}) => `${ONYXKEYS.COLLECTION.REPORT_DRAFT_COMMENT_NUMBER_OF_LINES}${reportID}_${action.reportActionID}`,
+            initWithStoredValues: false,
+        },
+    }),
 )(React.forwardRef((props, ref) => (
     /* eslint-disable-next-line react/jsx-props-no-spreading */
     <ReportActionItemMessageEdit {...props} forwardedRef={ref} />