52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
"use strict";
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var traverse = require("../../traverse");
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var util = require("../../util");
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var t = require("../../types");
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var visitor = {
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enter: function (node, parent, scope, context, state) {
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// check if this node is an identifier that matches the same as our function id
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if (!t.isIdentifier(node, { name: state.id })) return;
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// check if this node is the one referenced
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if (!t.isReferenced(node, parent)) return;
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// check that we don't have a local variable declared as that removes the need
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// for the wrapper
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var localDeclar = scope.get(state.id, true);
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if (localDeclar !== state.outerDeclar) return;
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state.selfReference = true;
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context.stop();
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}
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};
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exports.property = function (node, file, scope) {
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var key = t.toComputedKey(node, node.key);
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if (!t.isLiteral(key)) return node; // we can't set a function id with this
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var id = t.toIdentifier(key.value);
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key = t.identifier(id);
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var state = {
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id: id,
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selfReference: false,
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outerDeclar: scope.get(id, true),
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};
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traverse(node, visitor, scope, state);
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if (state.selfReference) {
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// todo: support generators
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node.value = util.template("property-method-assignment-wrapper", {
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FUNCTION: node.value,
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FUNCTION_ID: key,
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FUNCTION_KEY: scope.generateUidIdentifier(id),
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WRAPPER_KEY: scope.generateUidIdentifier(id + "Wrapper")
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});
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} else {
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node.value.id = key;
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}
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};
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