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JamesHenrynzakas
JamesHenry
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nzakas
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Fix: Convert TSTypeOfExpression to UnaryExpression (fixes #85) (#86)
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3 files changed

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‎lib/ast-converter.js

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Original file line numberDiff line numberDiff line change
@@ -1484,6 +1484,15 @@ module.exports = function(ast, extra) {
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});
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break;
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case SyntaxKind.TypeOfExpression:
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assign(result, {
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type: "UnaryExpression",
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operator: "typeof",
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prefix: true,
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argument: convertChild(node.expression)
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});
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break;
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// Binary Operations
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case SyntaxKind.BinaryExpression:

‎tests/fixtures/basics/typeof-expression.result.js

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@@ -0,0 +1,113 @@
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module.exports = {
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"type": "Program",
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"range": [
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0,
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12
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 12
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}
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},
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"body": [
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{
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"type": "ExpressionStatement",
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"range": [
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0,
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12
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 12
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}
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},
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"expression": {
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"type": "UnaryExpression",
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"operator": "typeof",
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"prefix": true,
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"range": [
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0,
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12
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 12
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}
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},
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"argument": {
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"type": "Literal",
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"range": [
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7,
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12
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 7
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},
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"end": {
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"line": 1,
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"column": 12
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}
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},
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"value": "str",
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"raw": "'str'"
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}
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}
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}
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],
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"sourceType": "script",
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"tokens": [
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{
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"type": "Keyword",
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"value": "typeof",
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"range": [
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0,
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6
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 0
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},
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"end": {
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"line": 1,
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"column": 6
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}
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}
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},
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{
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"type": "String",
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"value": "'str'",
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"range": [
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7,
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12
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],
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"loc": {
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"start": {
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"line": 1,
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"column": 7
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},
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"end": {
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"line": 1,
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"column": 12
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}
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}
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}
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]
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};

‎tests/fixtures/basics/typeof-expression.src.js

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typeof 'str'

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