mirror of
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291 lines
14 KiB
JavaScript
291 lines
14 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Test that inferring anonymous function information is done correctly
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* from arrow expressions.
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*/
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function test() {
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let { Parser, ParserHelpers, SyntaxTreeVisitor } =
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Cu.import("resource://devtools/shared/Parser.jsm", {});
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function verify(source, predicate, details) {
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let { name, chain } = details;
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let [[sline, scol], [eline, ecol]] = details.loc;
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let ast = Parser.reflectionAPI.parse(source);
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let node = SyntaxTreeVisitor.filter(ast, predicate).pop();
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let info = ParserHelpers.inferFunctionExpressionInfo(node);
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is(info.name, name,
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"The function expression assignment property name is correct.");
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is(chain ? info.chain.toSource() : info.chain, chain ? chain.toSource() : chain,
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"The function expression assignment property chain is correct.");
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is(info.loc.start.toSource(), { line: sline, column: scol }.toSource(),
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"The start location was correct for the identifier in: '" + source + "'.");
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is(info.loc.end.toSource(), { line: eline, column: ecol }.toSource(),
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"The end location was correct for the identifier in: '" + source + "'.");
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}
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// VariableDeclarator
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verify("var foo=()=>{}", e => e.type == "ArrowFunctionExpression", {
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name: "foo",
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chain: null,
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loc: [[1, 4], [1, 7]]
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});
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verify("\nvar\nfoo\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression", {
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name: "foo",
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chain: null,
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loc: [[3, 0], [3, 3]]
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});
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// AssignmentExpression
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verify("foo=()=>{}", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: [], loc: [[1, 0], [1, 3]] });
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verify("\nfoo\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: [], loc: [[2, 0], [2, 3]] });
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verify("foo.bar=()=>{}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[1, 0], [1, 7]] });
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verify("\nfoo.bar\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[2, 0], [2, 7]] });
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verify("this.foo=()=>{}", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: ["this"], loc: [[1, 0], [1, 8]] });
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verify("\nthis.foo\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: ["this"], loc: [[2, 0], [2, 8]] });
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verify("this.foo.bar=()=>{}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "foo"], loc: [[1, 0], [1, 12]] });
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verify("\nthis.foo.bar\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "foo"], loc: [[2, 0], [2, 12]] });
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verify("foo.this.bar=()=>{}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo", "this"], loc: [[1, 0], [1, 12]] });
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verify("\nfoo.this.bar\n=\n(\n)=>\n{\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo", "this"], loc: [[2, 0], [2, 12]] });
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// ObjectExpression
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verify("({foo:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: [], loc: [[1, 2], [1, 5]] });
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verify("(\n{\nfoo\n:\n(\n)=>\n{\n}\n}\n)", e => e.type == "ArrowFunctionExpression",
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{ name: "foo", chain: [], loc: [[3, 0], [3, 3]] });
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verify("({foo:{bar:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[1, 7], [1, 10]] });
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verify("(\n{\nfoo\n:\n{\nbar\n:\n(\n)=>\n{\n}\n}\n}\n)", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[6, 0], [6, 3]] });
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// AssignmentExpression + ObjectExpression
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verify("foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[1, 5], [1, 8]] });
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verify("\nfoo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[5, 0], [5, 3]] });
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verify("foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["foo", "bar"], loc: [[1, 10], [1, 13]] });
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verify("\nfoo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["foo", "bar"], loc: [[8, 0], [8, 3]] });
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verify("nested.foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["nested", "foo"], loc: [[1, 12], [1, 15]] });
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verify("\nnested.foo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["nested", "foo"], loc: [[5, 0], [5, 3]] });
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verify("nested.foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["nested", "foo", "bar"], loc: [[1, 17], [1, 20]] });
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verify("\nnested.foo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["nested", "foo", "bar"], loc: [[8, 0], [8, 3]] });
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verify("this.foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "foo"], loc: [[1, 10], [1, 13]] });
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verify("\nthis.foo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "foo"], loc: [[5, 0], [5, 3]] });
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verify("this.foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["this", "foo", "bar"], loc: [[1, 15], [1, 18]] });
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verify("\nthis.foo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["this", "foo", "bar"], loc: [[8, 0], [8, 3]] });
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verify("this.nested.foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "nested", "foo"], loc: [[1, 17], [1, 20]] });
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verify("\nthis.nested.foo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["this", "nested", "foo"], loc: [[5, 0], [5, 3]] });
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verify("this.nested.foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["this", "nested", "foo", "bar"], loc: [[1, 22], [1, 25]] });
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verify("\nthis.nested.foo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["this", "nested", "foo", "bar"], loc: [[8, 0], [8, 3]] });
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verify("nested.this.foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["nested", "this", "foo"], loc: [[1, 17], [1, 20]] });
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verify("\nnested.this.foo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["nested", "this", "foo"], loc: [[5, 0], [5, 3]] });
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verify("nested.this.foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["nested", "this", "foo", "bar"], loc: [[1, 22], [1, 25]] });
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verify("\nnested.this.foo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["nested", "this", "foo", "bar"], loc: [[8, 0], [8, 3]] });
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// VariableDeclarator + AssignmentExpression + ObjectExpression
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verify("let foo={bar:()=>{}}", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[1, 9], [1, 12]] });
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verify("\nlet\nfoo\n=\n{\nbar\n:\n(\n)=>\n{\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["foo"], loc: [[6, 0], [6, 3]] });
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verify("let foo={bar:{baz:()=>{}}}", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["foo", "bar"], loc: [[1, 14], [1, 17]] });
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verify("\nlet\nfoo\n=\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["foo", "bar"], loc: [[9, 0], [9, 3]] });
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// New/CallExpression + AssignmentExpression + ObjectExpression
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verify("foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[1, 5], [1, 8]] });
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verify("\nfoo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[5, 0], [5, 3]] });
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verify("foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[1, 10], [1, 13]] });
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verify("\nfoo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[8, 0], [8, 3]] });
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verify("nested.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[1, 12], [1, 15]] });
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verify("\nnested.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[5, 0], [5, 3]] });
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verify("nested.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[1, 17], [1, 20]] });
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verify("\nnested.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[8, 0], [8, 3]] });
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verify("this.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[1, 10], [1, 13]] });
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verify("\nthis.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[5, 0], [5, 3]] });
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verify("this.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[1, 15], [1, 18]] });
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verify("\nthis.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[8, 0], [8, 3]] });
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verify("this.nested.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[1, 17], [1, 20]] });
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verify("\nthis.nested.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[5, 0], [5, 3]] });
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verify("this.nested.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[1, 22], [1, 25]] });
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verify("\nthis.nested.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[8, 0], [8, 3]] });
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verify("nested.this.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[1, 17], [1, 20]] });
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verify("\nnested.this.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: [], loc: [[5, 0], [5, 3]] });
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verify("nested.this.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[1, 22], [1, 25]] });
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verify("\nnested.this.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["bar"], loc: [[8, 0], [8, 3]] });
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// New/CallExpression + VariableDeclarator + AssignmentExpression + ObjectExpression
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verify("let target=foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[1, 16], [1, 19]] });
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verify("\nlet\ntarget=\nfoo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[7, 0], [7, 3]] });
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verify("let target=foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[1, 21], [1, 24]] });
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verify("\nlet\ntarget=\nfoo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[10, 0], [10, 3]] });
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verify("let target=nested.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[1, 23], [1, 26]] });
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verify("\nlet\ntarget=\nnested.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[7, 0], [7, 3]] });
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verify("let target=nested.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[1, 28], [1, 31]] });
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verify("\nlet\ntarget=\nnested.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[10, 0], [10, 3]] });
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verify("let target=this.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[1, 21], [1, 24]] });
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verify("\nlet\ntarget=\nthis.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[7, 0], [7, 3]] });
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verify("let target=this.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[1, 26], [1, 29]] });
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verify("\nlet\ntarget=\nthis.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[10, 0], [10, 3]] });
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verify("let target=this.nested.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[1, 28], [1, 31]] });
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verify("\nlet\ntarget=\nthis.nested.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[7, 0], [7, 3]] });
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verify("let target=this.nested.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[1, 33], [1, 36]] });
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verify("\nlet\ntarget=\nthis.nested.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[10, 0], [10, 3]] });
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verify("let target=nested.this.foo({bar:()=>{}})", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[1, 28], [1, 31]] });
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verify("\nlet\ntarget=\nnested.this.foo\n(\n{\nbar\n:\n(\n)=>\n{\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "bar", chain: ["target"], loc: [[7, 0], [7, 3]] });
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verify("let target=nested.this.foo({bar:{baz:()=>{}}})", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[1, 33], [1, 36]] });
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verify("\nlet\ntarget=\nnested.this.foo\n(\n{\nbar\n:\n{\nbaz\n:\n(\n)=>\n{\n}\n}\n}\n)\n", e => e.type == "ArrowFunctionExpression",
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{ name: "baz", chain: ["target", "bar"], loc: [[10, 0], [10, 3]] });
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finish();
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}
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