function format(text) {
// Parse the source text
var sourceFile = ts.createSourceFile('file.ts', text, ts.ScriptTarget.Latest, /*setParentPointers*/ true);
// Get the formatting edits on the input sources
var edits = ts.formatting.formatDocument(sourceFile, getRuleProvider(tsfmt), tsfmt);
// Apply the edits on the input code
return applyEdits(text, edits);
function getRuleProvider(options) {
// Share this between multiple formatters using the same options.
// This represents the bulk of the space the formatter uses.
var ruleProvider = new ts.formatting.RulesProvider();
ruleProvider.ensureUpToDate(options);
return ruleProvider;
}
function applyEdits(text, edits) {
// Apply edits in reverse on the existing text
var result = text;
for (var i = edits.length - 1; i >= 0; i--) {
var change = edits[i];
var head = result.slice(0, change.span.start);
var tail = result.slice(change.span.start + change.span.length);
result = head + change.newText + tail;
}
return result;
}
}
function format(fileName, text, options) {
"use strict";
if (options === void 0) { options = utils_1.createDefaultFormatCodeOptions(); }
var sourceFile = ts.createSourceFile(fileName, text, ts.ScriptTarget.Latest, "0");
fixupParentReferences(sourceFile);
var edits = ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options);
return applyEdits(text, edits);
function getRuleProvider(options) {
var ruleProvider = new ts.formatting.RulesProvider();
ruleProvider.ensureUpToDate(options);
return ruleProvider;
}
function applyEdits(text, edits) {
var result = text;
for (var i = edits.length - 1; i >= 0; i--) {
var change = edits[i];
var head = void 0;
if (typeof change.span.start === "number") {
head = result.slice(0, change.span.start);
}
else {
head = result.slice(0, change.span.start());
}
var tail = void 0;
if (typeof change.span.start === "number") {
tail = result.slice(change.span.start + change.span.length);
}
else {
tail = result.slice(change.span.start() + change.span.length());
}
result = head + change.newText + tail;
}
return result;
}
}
// Note: this uses ts.formatting which is part of the typescript 1.4 package but is not currently
// exposed in the public typescript.d.ts. The typings should be exposed in the next release.
function format(text) {
var options = getDefaultOptions();
// Parse the source text
var sourceFile = ts.createSourceFile("file.ts", text, ts.ScriptTarget.Latest, true);
fixupParentReferences(sourceFile);
// Get the formatting edits on the input sources
var edits = ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options);
// Apply the edits on the input code
return applyEdits(text, edits);
function getRuleProvider(options) {
// Share this between multiple formatters using the same options.
// This represents the bulk of the space the formatter uses.
var ruleProvider = new ts.formatting.RulesProvider();
ruleProvider.ensureUpToDate(options);
return ruleProvider;
}
function applyEdits(text, edits) {
// Apply edits in reverse on the existing text
var result = text;
for (var i = edits.length - 1; i >= 0; i--) {
var change = edits[i];
var head = result.slice(0, change.span.start);
var tail = result.slice(change.span.start + change.span.length);
result = head + change.newText + tail;
}
return result;
}
function getDefaultOptions() {
return {
IndentSize: 4,
TabSize: 4,
NewLineCharacter: '\n',
ConvertTabsToSpaces: true,
InsertSpaceAfterCommaDelimiter: true,
InsertSpaceAfterSemicolonInForStatements: true,
InsertSpaceBeforeAndAfterBinaryOperators: true,
InsertSpaceAfterKeywordsInControlFlowStatements: true,
InsertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
PlaceOpenBraceOnNewLineForFunctions: false,
PlaceOpenBraceOnNewLineForControlBlocks: false
};
}
function fixupParentReferences(sourceFile) {
var parent = sourceFile;
function walk(n) {
n.parent = parent;
var saveParent = parent;
parent = n;
ts.forEachChild(n, walk);
parent = saveParent;
}
ts.forEachChild(sourceFile, walk);
}
}
function format(text) {
let options = getDefaultOptions();
// Parse the source text
let sourceFile = ts.createSourceFile("file.ts", text, ts.ScriptTarget.Latest, /*setParentPointers*/ true);
// Get the formatting edits on the input sources
let edits = ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options);
// Apply the edits on the input code
return applyEdits(text, edits);
function getRuleProvider(options) {
// Share this between multiple formatters using the same options.
// This represents the bulk of the space the formatter uses.
let ruleProvider = new ts.formatting.RulesProvider();
ruleProvider.ensureUpToDate(options);
return ruleProvider;
}
function applyEdits(text, edits) {
// Apply edits in reverse on the existing text
let result = text;
for (let i = edits.length - 1; i >= 0; i--) {
let change = edits[i];
let head = result.slice(0, change.span.start);
let tail = result.slice(change.span.start + change.span.length);
result = head + change.newText + tail;
}
return result;
}
function getDefaultOptions() {
return {
IndentSize: 2,
TabSize: 2,
NewLineCharacter: '\n',
ConvertTabsToSpaces: true,
IndentStyle: ts.IndentStyle.Smart,
InsertSpaceAfterCommaDelimiter: true,
InsertSpaceAfterSemicolonInForStatements: true,
InsertSpaceBeforeAndAfterBinaryOperators: true,
InsertSpaceAfterKeywordsInControlFlowStatements: true,
InsertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
PlaceOpenBraceOnNewLineForFunctions: false,
PlaceOpenBraceOnNewLineForControlBlocks: false
};
}
}
function getRuleProvider(options) {
// Share this between multiple formatters using the same options.
// This represents the bulk of the space the formatter uses.
return ts.formatting.getFormatContext(options);
}
function format(text, endl) {
const REALLY_FORMAT = false;
text = preformat(text, endl);
if (!REALLY_FORMAT) {
return text;
}
// Parse the source text
let sourceFile = ts.createSourceFile('file.ts', text, ts.ScriptTarget.Latest, /*setParentPointers*/ true);
// Get the formatting edits on the input sources
let edits = ts.formatting.formatDocument(sourceFile, getRuleProvider(tsfmt), tsfmt);
// Apply the edits on the input code
return applyEdits(text, edits);
function countParensCurly(text) {
let cnt = 0;
for (let i = 0; i < text.length; i++) {
if (text.charAt(i) === '(' || text.charAt(i) === '{') {
cnt++;
}
if (text.charAt(i) === ')' || text.charAt(i) === '}') {
cnt--;
}
}
return cnt;
}
function repeatStr(s, cnt) {
let r = '';
for (let i = 0; i < cnt; i++) {
r += s;
}
return r;
}
function preformat(text, endl) {
let lines = text.split(endl);
let inComment = false;
let inCommentDeltaIndent = 0;
let indent = 0;
for (let i = 0; i < lines.length; i++) {
let line = lines[i].replace(/\s$/, '');
let repeat = false;
let lineIndent = 0;
do {
repeat = false;
if (line.substring(0, 4) === ' ') {
line = line.substring(4);
lineIndent++;
repeat = true;
}
if (line.charAt(0) === '\t') {
line = line.substring(1);
lineIndent++;
repeat = true;
}
} while (repeat);
if (line.length === 0) {
continue;
}
if (inComment) {
if (/\*\//.test(line)) {
inComment = false;
}
lines[i] = repeatStr('\t', lineIndent + inCommentDeltaIndent) + line;
continue;
}
if (/\/\*/.test(line)) {
inComment = true;
inCommentDeltaIndent = indent - lineIndent;
lines[i] = repeatStr('\t', indent) + line;
continue;
}
const cnt = countParensCurly(line);
let shouldUnindentAfter = false;
let shouldUnindentBefore = false;
if (cnt < 0) {
if (/[({]/.test(line)) {
shouldUnindentAfter = true;
}
else {
shouldUnindentBefore = true;
}
}
else if (cnt === 0) {
shouldUnindentBefore = /^\}/.test(line);
}
let shouldIndentAfter = false;
if (cnt > 0) {
shouldIndentAfter = true;
}
else if (cnt === 0) {
shouldIndentAfter = /{$/.test(line);
}
if (shouldUnindentBefore) {
indent--;
}
lines[i] = repeatStr('\t', indent) + line;
if (shouldUnindentAfter) {
indent--;
}
if (shouldIndentAfter) {
indent++;
}
}
return lines.join(endl);
}
function getRuleProvider(options) {
// Share this between multiple formatters using the same options.
// This represents the bulk of the space the formatter uses.
return ts.formatting.getFormatContext(options);
}
function applyEdits(text, edits) {
// Apply edits in reverse on the existing text
let result = text;
for (let i = edits.length - 1; i >= 0; i--) {
let change = edits[i];
let head = result.slice(0, change.span.start);
let tail = result.slice(change.span.start + change.span.length);
result = head + change.newText + tail;
}
return result;
}
}