42 lines
887 B
JavaScript
42 lines
887 B
JavaScript
// https://github.com/sebmarkbage/ecmascript-rest-spread
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var t = require("../../types");
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var _ = require("lodash");
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exports.ObjectExpression = function (node) {
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var hasSpread = false;
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_.each(node.properties, function (prop) {
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if (t.isSpreadProperty(prop)) {
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hasSpread = true;
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return false;
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}
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});
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if (!hasSpread) return;
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var args = [];
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var props = [];
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var push = function () {
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if (!props.length) return;
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args.push(t.objectExpression(props));
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props = [];
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};
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_.each(node.properties, function (prop) {
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if (t.isSpreadProperty(prop)) {
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push();
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args.push(prop.argument);
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} else {
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props.push(prop);
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}
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});
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push();
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if (!t.isObjectExpression(args[0])) {
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args.unshift(t.objectExpression([]));
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}
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return t.callExpression(t.memberExpression(t.identifier("Object"), t.identifier("assign")), args);
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};
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