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add buildPass File check in preperation for plugin api

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This commit is contained in:
Sebastian McKenzie 2015-03-16 01:25:59 +11:00
parent 1c6ac0a07a
commit b13b4bbfba
1 changed files with 5 additions and 0 deletions
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5
src/babel/transformation/transformer.js
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@ -3,6 +3,7 @@ import isFunction from "lodash/lang/isFunction";
import traverse from "../traversal";
import isObject from "lodash/lang/isObject";
import assign from "lodash/object/assign";
import File from "./file";
import each from "lodash/collection/each";
/**
@ -66,6 +67,10 @@ export default class Transformer {
}
buildPass(file: File): TransformerPass {
if (!(file instanceof File)) {
throw new Error("Multiple versions of babel are interacting, this is either due to a version mismatch in a plugin or it was resolved incorrectly");
}
return new TransformerPass(file, this);
}
}