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workaround various IE quirks (#5084)

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fixes #5081
This commit is contained in:
Alex Lam S.L
2021-07-17 13:20:56 +01:00
committed by GitHub
parent 902997b73d
commit ef5f7fc25e
33 changed files with 477 additions and 311 deletions
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10
lib/output.js
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@@ -56,7 +56,7 @@ function OutputStream(options) {
braces : false,
comments : false,
galio : false,
ie8 : false,
ie : false,
indent_level : 4,
indent_start : 0,
inline_script : true,
@@ -193,7 +193,7 @@ function OutputStream(options) {
case "\t": return "\\t";
case "\b": return "\\b";
case "\f": return "\\f";
case "\x0B": return options.ie8 ? "\\x0B" : "\\v";
case "\x0B": return options.ie ? "\\x0B" : "\\v";
case "\u2028": return "\\u2028";
case "\u2029": return "\\u2029";
case "\ufeff": return "\\ufeff";
@@ -1290,7 +1290,7 @@ function OutputStream(options) {
function make_then(self, output) {
var b = self.body;
if (output.option("braces") && !(b instanceof AST_Const || b instanceof AST_Let)
|| output.option("ie8") && b instanceof AST_Do)
|| output.option("ie") && b instanceof AST_Do)
return make_block(b, output);
// The squeezer replaces "block"-s that contain only a single
// statement with the statement itself; technically, the AST
@@ -1515,7 +1515,7 @@ function OutputStream(options) {
var expr = self.expression;
expr.print(output);
var prop = self.property;
if (output.option("ie8") && RESERVED_WORDS[prop]) {
if (output.option("ie") && RESERVED_WORDS[prop]) {
output.print(self.optional ? "?.[" : "[");
output.add_mapping(self.end);
output.print_string(prop);
@@ -1702,7 +1702,7 @@ function OutputStream(options) {
var quote = self.start && self.start.quote;
if (self.private) {
output.print_name(key);
} else if (RESERVED_WORDS[key] ? !output.option("ie8") : is_identifier_string(key)) {
} else if (RESERVED_WORDS[key] ? !output.option("ie") : is_identifier_string(key)) {
if (quote && output.option("keep_quoted_props")) {
output.print_string(key, quote);
} else {