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var assert = require("assert");
var readFileSync = require("fs").readFileSync;
var Uglify = require("../../");
function read(path) {
return readFileSync(path, "utf8");
}
function source_map(code) {
return JSON.parse(Uglify.minify(code, {
compress: false,
mangle: false,
sourceMap: true,
}).map);
}
describe("sourcemaps", function() {
it("Should give correct version", function() {
var map = source_map("var x = 1 + 1;");
assert.strictEqual(map.version, 3);
assert.deepEqual(map.names, [ "x" ]);
});
it("Should give correct names", function() {
var map = source_map([
"({",
" get enabled() {",
" return 3;",
" },",
" set enabled(x) {",
" ;",
" }",
"});",
].join("\n"));
assert.deepEqual(map.names, [ "enabled", "x" ]);
});
it("Should mark array/object literals", function() {
var result = Uglify.minify([
"var obj = {};",
"obj.wat([]);",
].join("\n"), {
sourceMap: true,
});
if (result.error) throw result.error;
assert.strictEqual(result.map, '{"version":3,"sources":["0"],"names":["obj","wat"],"mappings":"AAAA,IAAIA,IAAM,GACVA,IAAIC,IAAI"}');
});
describe("inSourceMap", function() {
it("Should read the given string filename correctly when sourceMapIncludeSources is enabled (#1236)", function() {
var result = Uglify.minify(read("./test/input/issue-1236/simple.js"), {
sourceMap: {
content: read("./test/input/issue-1236/simple.js.map"),
filename: "simple.min.js",
includeSources: true
}
});
var map = JSON.parse(result.map);
assert.equal(map.file, 'simple.min.js');
assert.equal(map.sourcesContent.length, 1);
assert.equal(map.sourcesContent[0],
'let foo = x => "foo " + x;\nconsole.log(foo("bar"));');
});
it("Should process inline source map", function() {
var code = Uglify.minify(read("./test/input/issue-520/input.js"), {
compress: { toplevel: true },
sourceMap: {
content: "inline",
url: "inline"
}
}).code + "\n";
assert.strictEqual(code, readFileSync("test/input/issue-520/output.js", "utf8"));
});
it("Should warn for missing inline source map", function() {
var warn_function = Uglify.AST_Node.warn_function;
var warnings = [];
Uglify.AST_Node.warn_function = function(txt) {
warnings.push(txt);
};
try {
var result = Uglify.minify(read("./test/input/issue-1323/sample.js"), {
mangle: false,
sourceMap: {
content: "inline"
}
});
assert.strictEqual(result.code, "var bar=function(bar){return bar};");
assert.strictEqual(warnings.length, 1);
assert.strictEqual(warnings[0], "inline source map not found");
} finally {
Uglify.AST_Node.warn_function = warn_function;
}
});
it("Should fail with multiple input and inline source map", function() {
var result = Uglify.minify([
read("./test/input/issue-520/input.js"),
read("./test/input/issue-520/output.js")
], {
sourceMap: {
content: "inline",
url: "inline"
}
});
var err = result.error;
assert.ok(err instanceof Error);
assert.strictEqual(err.stack.split(/\n/)[0], "Error: inline source map only works with singular input");
});
});
describe("sourceMapInline", function() {
it("should append source map to output js when sourceMapInline is enabled", function() {
var result = Uglify.minify('var a = function(foo) { return foo; };', {
sourceMap: {
url: "inline"
}
});
var code = result.code;
assert.strictEqual(code, "var a=function(n){return n};\n" +
"//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIjAiXSwibmFtZXMiOlsiYSIsImZvbyJdLCJtYXBwaW5ncyI6IkFBQUEsSUFBSUEsRUFBSSxTQUFTQyxHQUFPLE9BQU9BIn0=");
});
it("should not append source map to output js when sourceMapInline is not enabled", function() {
var result = Uglify.minify('var a = function(foo) { return foo; };');
var code = result.code;
assert.strictEqual(code, "var a=function(n){return n};");
});
it("should work with max_line_len", function() {
var result = Uglify.minify(read("./test/input/issue-505/input.js"), {
output: {
max_line_len: 20
},
sourceMap: {
url: "inline"
}
});
assert.strictEqual(result.error, undefined);
assert.strictEqual(result.code, read("./test/input/issue-505/output.js"));
});
});
});
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