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lint
This commit is contained in:
Scott Chacon
parent
5c0c4a8196
commit
3aa1f7d0b6
@ -1,165 +1,165 @@
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import { Operation, type DiffArray, charDiff } from './diff';
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export interface Token {
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text: string;
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className: string;
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text: string;
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className: string;
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}
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export interface Row {
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originalLineNumber: number;
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currentLineNumber: number;
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tokens: Token[];
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type: RowType;
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size: number;
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originalLineNumber: number;
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currentLineNumber: number;
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tokens: Token[];
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type: RowType;
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size: number;
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}
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export const enum RowType {
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Deletion = 'deletion',
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Addition = 'addition',
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Equal = 'equal',
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Spacer = 'spacer'
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Deletion = 'deletion',
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Addition = 'addition',
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Equal = 'equal',
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Spacer = 'spacer'
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}
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export function buildDiffRows(
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diff: DiffArray,
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opts = { paddingLines: 10000 }
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diff: DiffArray,
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opts = { paddingLines: 10000 }
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): {
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originalLines: readonly string[];
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currentLines: readonly string[];
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rows: readonly Row[];
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originalLines: readonly string[];
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currentLines: readonly string[];
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rows: readonly Row[];
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} {
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const { paddingLines } = opts;
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const { paddingLines } = opts;
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let currentLineNumber = 0;
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let originalLineNumber = 0;
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let currentLineNumber = 0;
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let originalLineNumber = 0;
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const originalLines: string[] = [];
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const currentLines: string[] = [];
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const rows: Row[] = [];
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const originalLines: string[] = [];
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const currentLines: string[] = [];
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const rows: Row[] = [];
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for (let i = 0; i < diff.length; ++i) {
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const token = diff[i];
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switch (token[0]) {
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case Operation.Equal:
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rows.push(...createEqualRows(token[1], i === 0, i === diff.length - 1));
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originalLines.push(...token[1]);
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currentLines.push(...token[1]);
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break;
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case Operation.Insert:
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for (const line of token[1]) {
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rows.push(createRow(line, RowType.Addition));
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}
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currentLines.push(...token[1]);
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break;
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case Operation.Delete:
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originalLines.push(...token[1]);
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if (diff[i + 1] && diff[i + 1][0] === Operation.Insert) {
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i++;
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rows.push(...createModifyRows(token[1].join('\n'), diff[i][1].join('\n')));
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currentLines.push(...diff[i][1]);
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} else {
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for (const line of token[1]) {
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rows.push(createRow(line, RowType.Deletion));
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}
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}
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break;
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}
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}
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for (let i = 0; i < diff.length; ++i) {
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const token = diff[i];
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switch (token[0]) {
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case Operation.Equal:
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rows.push(...createEqualRows(token[1], i === 0, i === diff.length - 1));
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originalLines.push(...token[1]);
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currentLines.push(...token[1]);
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break;
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case Operation.Insert:
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for (const line of token[1]) {
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rows.push(createRow(line, RowType.Addition));
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}
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currentLines.push(...token[1]);
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break;
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case Operation.Delete:
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originalLines.push(...token[1]);
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if (diff[i + 1] && diff[i + 1][0] === Operation.Insert) {
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i++;
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rows.push(...createModifyRows(token[1].join('\n'), diff[i][1].join('\n')));
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currentLines.push(...diff[i][1]);
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} else {
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for (const line of token[1]) {
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rows.push(createRow(line, RowType.Deletion));
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}
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}
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break;
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}
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}
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return { originalLines, currentLines, rows };
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return { originalLines, currentLines, rows };
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function createEqualRows(lines: string[], atStart: boolean, atEnd: boolean): Row[] {
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const equalRows = [];
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if (!atStart) {
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for (let i = 0; i < paddingLines && i < lines.length; i++) {
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equalRows.push(createRow(lines[i], RowType.Equal));
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}
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if (lines.length > paddingLines * 2 + 1 && !atEnd) {
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equalRows.push(
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createRow(
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`skipping ${lines.length - paddingLines * 2} matching lines`,
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RowType.Spacer,
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lines.length - paddingLines * 2
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)
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);
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}
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}
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if (!atEnd) {
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const start = Math.max(lines.length - paddingLines - 1, atStart ? 0 : paddingLines);
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let skip = lines.length - paddingLines - 1;
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if (!atStart) {
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skip -= paddingLines;
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}
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if (skip > 0) {
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originalLineNumber += skip;
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currentLineNumber += skip;
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}
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function createEqualRows(lines: string[], atStart: boolean, atEnd: boolean): Row[] {
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const equalRows = [];
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if (!atStart) {
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for (let i = 0; i < paddingLines && i < lines.length; i++) {
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equalRows.push(createRow(lines[i], RowType.Equal));
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}
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if (lines.length > paddingLines * 2 + 1 && !atEnd) {
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equalRows.push(
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createRow(
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`skipping ${lines.length - paddingLines * 2} matching lines`,
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RowType.Spacer,
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lines.length - paddingLines * 2
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)
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);
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}
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}
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if (!atEnd) {
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const start = Math.max(lines.length - paddingLines - 1, atStart ? 0 : paddingLines);
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let skip = lines.length - paddingLines - 1;
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if (!atStart) {
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skip -= paddingLines;
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}
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if (skip > 0) {
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originalLineNumber += skip;
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currentLineNumber += skip;
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}
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for (let i = start; i < lines.length; i++) {
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equalRows.push(createRow(lines[i], RowType.Equal));
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}
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}
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return equalRows;
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}
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for (let i = start; i < lines.length; i++) {
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equalRows.push(createRow(lines[i], RowType.Equal));
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}
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}
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return equalRows;
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}
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function createModifyRows(before: string, after: string): Row[] {
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const internalDiff = charDiff(before, after, true /* cleanup diff */);
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const deletionRows = [createRow('', RowType.Deletion)];
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const insertionRows = [createRow('', RowType.Addition)];
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function createModifyRows(before: string, after: string): Row[] {
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const internalDiff = charDiff(before, after, true /* cleanup diff */);
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const deletionRows = [createRow('', RowType.Deletion)];
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const insertionRows = [createRow('', RowType.Addition)];
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for (const token of internalDiff) {
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const text = token[1];
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const type = token[0];
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const className = type === Operation.Equal ? '' : 'inner-diff';
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const lines = text.split('\n');
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for (let i = 0; i < lines.length; i++) {
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if (i > 0 && type !== Operation.Insert) {
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deletionRows.push(createRow('', RowType.Deletion));
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}
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if (i > 0 && type !== Operation.Delete) {
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insertionRows.push(createRow('', RowType.Addition));
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}
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if (!lines[i]) {
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continue;
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}
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if (type !== Operation.Insert) {
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deletionRows[deletionRows.length - 1].tokens.push({ text: lines[i], className });
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}
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if (type !== Operation.Delete) {
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insertionRows[insertionRows.length - 1].tokens.push({ text: lines[i], className });
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}
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}
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}
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return deletionRows.concat(insertionRows);
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}
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for (const token of internalDiff) {
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const text = token[1];
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const type = token[0];
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const className = type === Operation.Equal ? '' : 'inner-diff';
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const lines = text.split('\n');
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for (let i = 0; i < lines.length; i++) {
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if (i > 0 && type !== Operation.Insert) {
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deletionRows.push(createRow('', RowType.Deletion));
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}
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if (i > 0 && type !== Operation.Delete) {
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insertionRows.push(createRow('', RowType.Addition));
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}
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if (!lines[i]) {
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continue;
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}
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if (type !== Operation.Insert) {
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deletionRows[deletionRows.length - 1].tokens.push({ text: lines[i], className });
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}
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if (type !== Operation.Delete) {
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insertionRows[insertionRows.length - 1].tokens.push({ text: lines[i], className });
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}
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}
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}
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return deletionRows.concat(insertionRows);
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}
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function createRow(text: string, type: RowType, size = 1): Row {
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if (type === RowType.Addition) {
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currentLineNumber++;
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}
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if (type === RowType.Deletion) {
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originalLineNumber++;
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}
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if (type === RowType.Equal) {
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originalLineNumber++;
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currentLineNumber++;
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}
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function createRow(text: string, type: RowType, size = 1): Row {
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if (type === RowType.Addition) {
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currentLineNumber++;
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}
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if (type === RowType.Deletion) {
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originalLineNumber++;
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}
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if (type === RowType.Equal) {
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originalLineNumber++;
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currentLineNumber++;
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}
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return {
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originalLineNumber,
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currentLineNumber,
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tokens: text ? [{ text, className: 'inner-diff' }] : [],
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type,
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size
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};
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}
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return {
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originalLineNumber,
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currentLineNumber,
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tokens: text ? [{ text, className: 'inner-diff' }] : [],
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type,
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size
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};
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}
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}
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export function documentMap(lines: readonly string[]): Map<number, number> {
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const map = new Map<number, number>();
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for (let pos = 0, lineNo = 0; lineNo < lines.length; lineNo++) {
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map.set(lineNo + 1, pos);
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pos += lines[lineNo].length + 1;
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}
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return map;
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const map = new Map<number, number>();
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for (let pos = 0, lineNo = 0; lineNo < lines.length; lineNo++) {
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map.set(lineNo + 1, pos);
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pos += lines[lineNo].length + 1;
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}
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return map;
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}
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