48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
"use strict";
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var explode = require("./explode-assignable-expression");
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var t = require("../../types");
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module.exports = function (exports, opts) {
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var buildAssignment = function (left, right) {
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return t.assignmentExpression("=", left, right);
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};
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exports.ExpressionStatement = function (node, parent, scope, file) {
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// hit the `AssignmentExpression` one below
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if (file.isConsequenceExpressionStatement(node)) return;
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var expr = node.expression;
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if (!opts.is(expr, file)) return;
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var nodes = [];
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var exploded = explode(expr.left, nodes, file, scope);
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nodes.push(t.ifStatement(
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opts.build(exploded.uid, file),
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t.expressionStatement(buildAssignment(exploded.ref, expr.right))
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));
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return nodes;
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};
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exports.AssignmentExpression = function (node, parent, scope, file) {
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if (!opts.is(node, file)) return;
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var nodes = [];
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var exploded = explode(node.left, nodes, file, scope);
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nodes.push(t.logicalExpression(
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"&&",
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opts.build(exploded.uid, file),
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buildAssignment(exploded.ref, node.right)
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));
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// todo: duplicate expression node
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nodes.push(exploded.ref);
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return t.toSequenceExpression(nodes, scope);
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};
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};
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