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https://github.com/gristlabs/grist-core.git
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d1c1416d78
Summary: We used tslint earlier, and on switching to eslint, some rules were not transfered. This moves more rules over, for consistent conventions or helpful warnings. - Name private members with a leading underscore. - Prefer interface over a type alias. - Use consistent spacing around ':' in type annotations. - Use consistent spacing around braces of code blocks. - Use semicolons consistently at the ends of statements. - Use braces around even one-liner blocks, like conditionals and loops. - Warn about shadowed variables. Test Plan: Fixed all new warnings. Should be no behavior changes in code. Reviewers: paulfitz Reviewed By: paulfitz Differential Revision: https://phab.getgrist.com/D2831
67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import { CursorPos } from "app/client/components/Cursor";
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import { DocModel } from "app/client/models/DocModel";
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/**
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* Absolute position of a cell in a document
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*/
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export interface CellPosition {
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sectionId: number;
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rowId: number;
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colRef: number;
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}
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/**
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* Checks if two positions are equal.
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* @param a First position
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* @param b Second position
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*/
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export function samePosition(a: CellPosition, b: CellPosition) {
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return a && b && a.colRef == b.colRef &&
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a.sectionId == b.sectionId &&
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a.rowId == b.rowId;
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}
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/**
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* Converts cursor position to cell absolute positions. Return null if the conversion is not
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* possible (if cursor position doesn't have enough information)
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* @param position Cursor position
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* @param docModel Document model
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*/
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export function fromCursor(position: CursorPos, docModel: DocModel): CellPosition | null {
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if (!position.sectionId || !position.rowId || position.fieldIndex == null) {
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return null;
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}
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const section = docModel.viewSections.getRowModel(position.sectionId);
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const colRef = section.viewFields().peek()[position.fieldIndex]?.colRef.peek();
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const cursorPosition = {
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rowId: position.rowId,
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colRef,
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sectionId: position.sectionId,
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};
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return cursorPosition;
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}
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/**
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* Converts cell's absolute position to current cursor position.
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* @param position Cell's absolute position
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* @param docModel DocModel
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*/
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export function toCursor(position: CellPosition, docModel: DocModel): CursorPos {
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// translate colRef to fieldIndex
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const fieldIndex = docModel.viewSections.getRowModel(position.sectionId)
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.viewFields().peek()
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.findIndex(x => x.colRef.peek() == position.colRef);
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const cursorPosition = {
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rowId: position.rowId,
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fieldIndex,
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sectionId: position.sectionId
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};
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return cursorPosition;
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}
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