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implement compress option reduce_funcs (#2466)

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- inline single-use function declarations as expressions when permissible
- depend on `reduce_vars`
- enabled by default
- disable for speed critical code

fixes #2464
This commit is contained in:
Alex Lam S.L
2017-11-11 05:59:35 +08:00
committed by GitHub
parent 94525d859f
commit 3c74047368
22 changed files with 335 additions and 11 deletions
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14
test/compress/hoist_props.js
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@@ -3,6 +3,7 @@ issue_2377_1: {
evaluate: true,
inline: true,
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -35,6 +36,7 @@ issue_2377_2: {
inline: true,
hoist_props: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -66,6 +68,7 @@ issue_2377_3: {
inline: true,
hoist_props: true,
passes: 3,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -92,6 +95,7 @@ issue_2377_3: {
direct_access_1: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -120,6 +124,7 @@ direct_access_1: {
direct_access_2: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -143,6 +148,7 @@ direct_access_2: {
direct_access_3: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -163,6 +169,7 @@ direct_access_3: {
single_use: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -187,6 +194,7 @@ single_use: {
name_collision_1: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
@@ -224,6 +232,7 @@ name_collision_1: {
name_collision_2: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
@@ -257,6 +266,7 @@ name_collision_2: {
name_collision_3: {
options = {
hoist_props: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
@@ -293,6 +303,7 @@ contains_this_1: {
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -318,6 +329,7 @@ contains_this_2: {
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -345,6 +357,7 @@ contains_this_3: {
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -376,6 +389,7 @@ new_this: {
hoist_props: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,