47 lines
2.1 KiB
JavaScript
47 lines
2.1 KiB
JavaScript
var vscode = require('vscode');
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var cp = require('child_process');
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var pathService_1 = require('./pathService');
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function formatRustfmtCommand(fileName, writeMode) {
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return pathService_1.PathService.getRustfmtPath() + ' --write-mode=' + writeMode + ' ' + fileName;
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}
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var FormatService = (function () {
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function FormatService() {
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this.writeMode = 'display';
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this.writeMode = 'display';
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}
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FormatService.prototype.provideDocumentFormattingEdits = function (document) {
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var _this = this;
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return document.save().then(function () {
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return _this.performFormatFile(document, _this.writeMode);
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});
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};
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FormatService.prototype.performFormatFile = function (document, writeMode) {
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return new Promise(function (resolve, reject) {
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var fileName = document.fileName;
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var command = formatRustfmtCommand(fileName, writeMode);
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cp.exec(command, function (err, stdout, stderr) {
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try {
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if (err && err.code == 'ENOENT') {
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vscode.window.showInformationMessage('The "rustfmt" command is not available. Make sure it is installed.');
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return resolve(null);
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}
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if (err)
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return reject('Cannot format due to syntax errors');
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// Need this to remove label of rustfmt output
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var text = stdout.toString().split('\n').slice(2).join('\n');
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//TODO: implement parsing of rustfmt output with 'diff' writemode
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var lastLine = document.lineCount;
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var lastLineLastCol = document.lineAt(lastLine - 1).range.end.character;
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var range = new vscode.Range(0, 0, lastLine - 1, lastLineLastCol);
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return resolve([new vscode.TextEdit(range, text)]);
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}
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catch (e) {
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reject(e);
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}
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});
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});
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};
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return FormatService;
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})();
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exports.FormatService = FormatService;
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//# sourceMappingURL=rustFormat.js.map
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