upgrade dependencies

1 files changed, 131 insertions, 0 deletions

diff --git a/node_modules/tsutils/util/control-flow.js b/node_modules/tsutils/util/control-flow.js
new file mode 100644
index 000000000..8bebd68a3
--- /dev/null
+++ b/node_modules/tsutils/util/control-flow.js
@@ -0,0 +1,131 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var ts = require("typescript");
+var node_1 = require("../typeguard/node");
+function endsControlFlow(statement) {
+    if (node_1.isBlockLike(statement))
+        return handleBlock(statement).end;
+    switch (statement.kind) {
+        case ts.SyntaxKind.ForStatement:
+        case ts.SyntaxKind.ForOfStatement:
+        case ts.SyntaxKind.ForInStatement:
+        case ts.SyntaxKind.WhileStatement:
+        case ts.SyntaxKind.DoStatement:
+        case ts.SyntaxKind.SwitchStatement:
+            if (statement.parent.kind === ts.SyntaxKind.LabeledStatement)
+                statement = statement.parent;
+    }
+    return getControlFlowEnd(statement).end;
+}
+exports.endsControlFlow = endsControlFlow;
+var defaultControlFlowEnd = { statements: [], end: false };
+function getControlFlowEnd(statement, label) {
+    switch (statement.kind) {
+        case ts.SyntaxKind.ReturnStatement:
+        case ts.SyntaxKind.ThrowStatement:
+        case ts.SyntaxKind.ContinueStatement:
+        case ts.SyntaxKind.BreakStatement:
+            return { statements: [statement], end: true };
+        case ts.SyntaxKind.Block:
+            return handleBlock(statement);
+        case ts.SyntaxKind.ForStatement:
+        case ts.SyntaxKind.ForOfStatement:
+        case ts.SyntaxKind.ForInStatement:
+        case ts.SyntaxKind.DoStatement:
+        case ts.SyntaxKind.WhileStatement:
+            return matchBreakOrContinue(getControlFlowEnd(statement.statement), node_1.isBreakOrContinueStatement, label);
+        case ts.SyntaxKind.IfStatement:
+            return handleIfStatement(statement);
+        case ts.SyntaxKind.SwitchStatement:
+            return matchBreakOrContinue(handleSwitchStatement(statement), node_1.isBreakStatement, label);
+        case ts.SyntaxKind.TryStatement:
+            return handleTryStatement(statement);
+        case ts.SyntaxKind.LabeledStatement:
+            return getControlFlowEnd(statement.statement, statement.label);
+        case ts.SyntaxKind.WithStatement:
+            return getControlFlowEnd(statement.statement);
+        default:
+            return defaultControlFlowEnd;
+    }
+}
+function handleBlock(statement) {
+    var result = { statements: [], end: false };
+    for (var _i = 0, _a = statement.statements; _i < _a.length; _i++) {
+        var s = _a[_i];
+        var current = getControlFlowEnd(s);
+        (_b = result.statements).push.apply(_b, current.statements);
+        if (current.end) {
+            result.end = true;
+            break;
+        }
+    }
+    return result;
+    var _b;
+}
+function handleIfStatement(node) {
+    var then = getControlFlowEnd(node.thenStatement);
+    if (node.elseStatement === undefined) {
+        then.end = false;
+        return then;
+    }
+    var elze = getControlFlowEnd(node.elseStatement);
+    return {
+        statements: then.statements.concat(elze.statements),
+        end: then.end && elze.end,
+    };
+}
+function handleSwitchStatement(node) {
+    var hasDefault = false;
+    var result = {
+        statements: [],
+        end: false,
+    };
+    for (var _i = 0, _a = node.caseBlock.clauses; _i < _a.length; _i++) {
+        var clause = _a[_i];
+        if (clause.kind === ts.SyntaxKind.DefaultClause)
+            hasDefault = true;
+        var current = handleBlock(clause);
+        result.end = current.end;
+        (_b = result.statements).push.apply(_b, current.statements);
+    }
+    if (!hasDefault)
+        result.end = false;
+    return result;
+    var _b;
+}
+function handleTryStatement(node) {
+    var result;
+    if (node.finallyBlock !== undefined) {
+        result = handleBlock(node.finallyBlock);
+        if (result.end)
+            return result;
+    }
+    var tryResult = handleBlock(node.tryBlock);
+    result = result === undefined
+        ? tryResult
+        : { statements: result.statements.concat(tryResult.statements), end: tryResult.end };
+    if (node.catchClause !== undefined) {
+        var current = handleBlock(node.catchClause.block);
+        result = {
+            statements: result.statements.concat(current.statements),
+            end: current.end,
+        };
+    }
+    return result;
+}
+function matchBreakOrContinue(current, pred, label) {
+    var result = {
+        end: current.end,
+        statements: [],
+    };
+    for (var _i = 0, _a = current.statements; _i < _a.length; _i++) {
+        var statement = _a[_i];
+        if (pred(statement) && (statement.label === undefined || label !== undefined && statement.label.text === label.text)) {
+            result.end = false;
+            continue;
+        }
+        result.statements.push(statement);
+    }
+    return result;
+}
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