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implement directives (#3203)

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fixes #3166
This commit is contained in:
Alex Lam S.L
2018-06-28 18:16:49 +08:00
committed by GitHub
parent 957d5537a8
commit 76df77c08c
9 changed files with 238 additions and 209 deletions
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12
test/mocha/minify.js
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@@ -187,7 +187,7 @@ describe("minify", function() {
});
describe("#__PURE__", function() {
it("should drop #__PURE__ hint after use", function() {
it("Should drop #__PURE__ hint after use", function() {
var result = UglifyJS.minify('//@__PURE__ comment1 #__PURE__ comment2\n foo(), bar();', {
output: {
comments: "all",
@@ -197,7 +197,7 @@ describe("minify", function() {
var code = result.code;
assert.strictEqual(code, "// comment1 comment2\nbar();");
});
it("should drop #__PURE__ hint if function is retained", function() {
it("Should drop #__PURE__ hint if function is retained", function() {
var result = UglifyJS.minify("var a = /*#__PURE__*/(function(){ foo(); })();", {
output: {
comments: "all",
@@ -210,7 +210,7 @@ describe("minify", function() {
});
describe("JS_Parse_Error", function() {
it("should return syntax error", function() {
it("Should return syntax error", function() {
var result = UglifyJS.minify("function f(a{}");
var err = result.error;
assert.ok(err instanceof Error);
@@ -219,7 +219,7 @@ describe("minify", function() {
assert.strictEqual(err.line, 1);
assert.strictEqual(err.col, 12);
});
it("should reject duplicated label name", function() {
it("Should reject duplicated label name", function() {
var result = UglifyJS.minify("L:{L:{}}");
var err = result.error;
assert.ok(err instanceof Error);
@@ -231,7 +231,7 @@ describe("minify", function() {
});
describe("global_defs", function() {
it("should throw for non-trivial expressions", function() {
it("Should throw for non-trivial expressions", function() {
var result = UglifyJS.minify("alert(42);", {
compress: {
global_defs: {
@@ -243,7 +243,7 @@ describe("minify", function() {
assert.ok(err instanceof Error);
assert.strictEqual(err.stack.split(/\n/)[0], "SyntaxError: Unexpected token: keyword (debugger)");
});
it("should skip inherited properties", function() {
it("Should skip inherited properties", function() {
var foo = Object.create({ skip: this });
foo.bar = 42;
var result = UglifyJS.minify("alert(FOO);", {