From 26fa49f4b0aa658d65a21fffe828f39e78302573 Mon Sep 17 00:00:00 2001
From: HelenHuang <LinHuang@pollex.com.tw>
Date: 星期四, 09 六月 2022 17:46:58 +0800
Subject: [PATCH] Revert "Update#139889 [ 快速篩選 ] 年資文案調整"
---
PAMapp/node_modules/terser-webpack-plugin/node_modules/terser/lib/compress/common.js | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 48 insertions(+), 0 deletions(-)
diff --git a/PAMapp/node_modules/terser-webpack-plugin/node_modules/terser/lib/compress/common.js b/PAMapp/node_modules/terser-webpack-plugin/node_modules/terser/lib/compress/common.js
index 75b12d2..8647ff3 100644
--- a/PAMapp/node_modules/terser-webpack-plugin/node_modules/terser/lib/compress/common.js
+++ b/PAMapp/node_modules/terser-webpack-plugin/node_modules/terser/lib/compress/common.js
@@ -80,9 +80,13 @@
AST_Undefined,
TreeWalker,
+ walk,
+ walk_abort,
+ walk_parent,
} from "../ast.js";
import { make_node, regexp_source_fix, string_template, makePredicate } from "../utils/index.js";
import { first_in_statement } from "../utils/first_in_statement.js";
+import { has_flag, TOP } from "./compressor-flags.js";
export function merge_sequence(array, node) {
if (node instanceof AST_Sequence) {
@@ -244,6 +248,13 @@
return node.expression instanceof AST_Function || is_iife_call(node.expression);
}
+export function is_empty(thing) {
+ if (thing === null) return true;
+ if (thing instanceof AST_EmptyStatement) return true;
+ if (thing instanceof AST_BlockStatement) return thing.body.length == 0;
+ return false;
+}
+
export const identifier_atom = makePredicate("Infinity NaN undefined");
export function is_identifier_atom(node) {
return node instanceof AST_Infinity
@@ -281,6 +292,34 @@
throw new Error("Can't convert thing to statement array");
}
+export function is_reachable(scope_node, defs) {
+ const find_ref = node => {
+ if (node instanceof AST_SymbolRef && defs.includes(node.definition())) {
+ return walk_abort;
+ }
+ };
+
+ return walk_parent(scope_node, (node, info) => {
+ if (node instanceof AST_Scope && node !== scope_node) {
+ var parent = info.parent();
+
+ if (
+ parent instanceof AST_Call
+ && parent.expression === node
+ // Async/Generators aren't guaranteed to sync evaluate all of
+ // their body steps, so it's possible they close over the variable.
+ && !(node.async || node.is_generator)
+ ) {
+ return;
+ }
+
+ if (walk(node, find_ref)) return walk_abort;
+
+ return true;
+ }
+ });
+}
+
/** Check if a ref refers to the name of a function/class it's defined within */
export function is_recursive_ref(compressor, def) {
var node;
@@ -294,3 +333,12 @@
}
return false;
}
+
+// TODO this only works with AST_Defun, shouldn't it work for other ways of defining functions?
+export function retain_top_func(fn, compressor) {
+ return compressor.top_retain
+ && fn instanceof AST_Defun
+ && has_flag(fn, TOP)
+ && fn.name
+ && compressor.top_retain(fn.name);
+}
--
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