"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var ts = require("typescript");
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var Lint = require("tslint");
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var RULE_NAME = 'ter-newline-after-var';
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var EXPECTED_BLANK_LINE_MESSAGE = 'Expected blank line after variable declarations.';
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var UNEXPECTED_BLANK_LINE_MESSAGE = 'Unexpected blank line after variable declarations.';
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var Rule = (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.prototype.formatOptions = function (_a) {
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var alwaysOrNever = _a[0];
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return {
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always: alwaysOrNever !== 'never'
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};
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};
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Rule.prototype.apply = function (sourceFile) {
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var opt = this.formatOptions(this.ruleArguments);
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var walker = new RuleWalker(sourceFile, this.ruleName, opt);
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return this.applyWithWalker(walker);
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};
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Rule.metadata = {
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ruleName: RULE_NAME,
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hasFix: true,
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description: 'require or disallow an empty line after variable declarations',
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rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n This rule enforces a coding style where empty lines are required or disallowed after `var`, `let`, or `const`\n statements to achieve a consistent coding style across the project.\n "], ["\n This rule enforces a coding style where empty lines are required or disallowed after \\`var\\`, \\`let\\`, or \\`const\\`\n statements to achieve a consistent coding style across the project.\n "]))),
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optionsDescription: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n This rule has a string option:\n\n * `\"always\"` (default) requires an empty line after `var`, `let`, or `const`.\n Comments on a line directly after var statements are treated like additional var statements.\n * `\"never\"` disallows empty lines after `var`, `let`, or `const`.\n "], ["\n This rule has a string option:\n\n * \\`\"always\"\\` (default) requires an empty line after \\`var\\`, \\`let\\`, or \\`const\\`.\n Comments on a line directly after var statements are treated like additional var statements.\n * \\`\"never\"\\` disallows empty lines after \\`var\\`, \\`let\\`, or \\`const\\`.\n "]))),
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options: {
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type: 'array',
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items: [{
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enum: ['always', 'never']
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}],
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maxLength: 1
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},
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optionExamples: [
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Lint.Utils.dedent(templateObject_3 || (templateObject_3 = tslib_1.__makeTemplateObject(["\n \"", "\": [true]\n "], ["\n \"", "\": [true]\n "])), RULE_NAME),
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Lint.Utils.dedent(templateObject_4 || (templateObject_4 = tslib_1.__makeTemplateObject(["\n \"", "\": [true, \"always\"]\n "], ["\n \"", "\": [true, \"always\"]\n "])), RULE_NAME),
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Lint.Utils.dedent(templateObject_5 || (templateObject_5 = tslib_1.__makeTemplateObject(["\n \"", "\": [true, \"never\"]\n "], ["\n \"", "\": [true, \"never\"]\n "])), RULE_NAME)
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],
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typescriptOnly: false,
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type: 'style'
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};
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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var RuleWalker = (function (_super) {
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tslib_1.__extends(RuleWalker, _super);
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function RuleWalker() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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RuleWalker.prototype.walk = function (sourceFile) {
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var _this = this;
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this.sourceFileText = sourceFile.getFullText();
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var onNode = function (node) {
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var _a = _this, lastVariableStatementNode = _a.lastVariableStatementNode, sourceFileText = _a.sourceFileText;
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if (node.kind === ts.SyntaxKind.VariableStatement) {
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_this.lastVariableStatementNode = node;
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return;
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}
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if (node.kind === ts.SyntaxKind.EndOfFileToken) {
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_this.lastVariableStatementNode = undefined;
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return;
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}
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if (lastVariableStatementNode) {
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var unexpectedLineFixes = [];
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var expectedLineFixes = [];
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var isNewLineRequired = _this.options.always;
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var expectedLinePos = lastVariableStatementNode.end;
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var newLinesCount = 0;
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for (var i = lastVariableStatementNode.end; i < node.end; i++) {
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var code = sourceFileText.charCodeAt(i);
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if (code === 10) {
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newLinesCount++;
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if (!isNewLineRequired && newLinesCount > 1) {
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unexpectedLineFixes.push(Lint.Replacement.deleteText(i, 1));
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}
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}
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else if (code !== 9 && code !== 13 && code !== 32) {
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var leadingComments = ts.getLeadingCommentRanges("\n" + sourceFileText.slice(i), 0);
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var lastLeadingComment = leadingComments && leadingComments.pop();
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if (lastLeadingComment && (!isNewLineRequired || (isNewLineRequired && newLinesCount < 2))) {
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newLinesCount = 0;
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expectedLinePos = i - 1 + lastLeadingComment.end;
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i = expectedLinePos - 1;
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}
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else {
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if (isNewLineRequired && newLinesCount < 2) {
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expectedLineFixes.push(Lint.Replacement.appendText(expectedLinePos, '\n'));
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}
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break;
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}
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}
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}
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if (isNewLineRequired && expectedLineFixes[0]) {
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_this.addFailureAt(lastVariableStatementNode.getStart(), 1, EXPECTED_BLANK_LINE_MESSAGE, expectedLineFixes);
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}
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else if (unexpectedLineFixes[0]) {
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_this.addFailureAt(lastVariableStatementNode.getStart(), 1, UNEXPECTED_BLANK_LINE_MESSAGE, unexpectedLineFixes);
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}
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_this.lastVariableStatementNode = undefined;
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}
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return ts.forEachChild(node, onNode);
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};
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return ts.forEachChild(sourceFile, onNode);
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};
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return RuleWalker;
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}(Lint.AbstractWalker));
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var templateObject_1, templateObject_2, templateObject_3, templateObject_4, templateObject_5;
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