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support in transformer for assignments - #299

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Perryvw merged 3 commits into
TypeScriptToLua:multiphase-transpilefrom
tomblind:multiphase-transpile
Dec 9, 2018
Merged

support in transformer for assignments#299
Perryvw merged 3 commits into
TypeScriptToLua:multiphase-transpilefrom
tomblind:multiphase-transpile

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@tomblind

@tomblind tomblind commented Dec 6, 2018

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Everything works (tests are passing), but this could probably use some cleanup/refactoring.

Note, I had to do some split code paths to deal with statements vs expressions.

I noticed in the TS source, operators like +=, -=, etc... are referred to as 'compound assignment operators" so I'm sticking with that terminology for those.

@tomblind

tomblind commented Dec 6, 2018

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Looks like I have tests to fix...

Comment thread src/TSHelper.ts Outdated
return [false, null];
}

public static isNonCompoundPrefixUnaryOperator(node: ts.PrefixUnaryExpression): boolean {

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Would it not be nicer to have the opposite of this function and just use a negation where you need this? Depends on what the most common case is I guess.

Comment thread src/TSHelper.ts Outdated
|| ts.isForStatement(node.parent);
}

public static createLuaConcatExpression(left: ts.Expression, right: ts.Expression): LuaConcatExpression {

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I think @lolleko made a TransformHelper.ts for functions like these.

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Totally missed it! I'll move these over.

@tomblind

tomblind commented Dec 9, 2018

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Current outstanding issues:
-destructuring into variable declarations doesn't work correctly and breaks a lot of tests
-getters/setters not yet supported

@Perryvw
Perryvw merged commit a8589f1 into TypeScriptToLua:multiphase-transpile Dec 9, 2018
@tomblind
tomblind deleted the multiphase-transpile branch January 1, 2019 12:45
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2 participants