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Merge pull request #100 from sendilkumarn/remove-coder-func

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Reduce the JS file size and optimizing encoder and decoder functions
This commit is contained in:
Alex Crichton
2018-04-04 08:46:36 -05:00
committed by GitHub
parent 07c5ff5a93 64d7c8d082
commit 9723fdd69b
1 changed files with 5 additions and 17 deletions
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22
crates/cli-support/src/js.rs
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@ -568,7 +568,7 @@ impl<'a> Context<'a> {
self.globals.push_str(&format!("
function passStringToWasm(arg) {{
{}
const buf = textEncoder().encode(arg);
const buf = cachedEncoder.encode(arg);
const ptr = wasm.__wbindgen_malloc(buf.length);
getUint8Memory().set(buf, ptr);
return [ptr, buf.length];
@ -655,7 +655,7 @@ impl<'a> Context<'a> {
}
if self.config.nodejs {
self.globals.push_str(&format!("
const TextEncoder = require('util');
const TextEncoder = require('util').TextEncoder;
"));
} else if !self.config.browser {
self.globals.push_str(&format!("
@ -665,13 +665,7 @@ impl<'a> Context<'a> {
"));
}
self.globals.push_str(&format!("
let cachedEncoder = null;
function textEncoder() {{
if (cachedEncoder)
return cachedEncoder;
cachedEncoder = new TextEncoder('utf-8');
return cachedEncoder;
}}
let cachedEncoder = new TextEncoder('utf-8');
"));
}
@ -691,13 +685,7 @@ impl<'a> Context<'a> {
"));
}
self.globals.push_str(&format!("
let cachedDecoder = null;
function textDecoder() {{
if (cachedDecoder)
return cachedDecoder;
cachedDecoder = new TextDecoder('utf-8');
return cachedDecoder;
}}
let cachedDecoder = new TextDecoder('utf-8');
"));
}
@ -709,7 +697,7 @@ impl<'a> Context<'a> {
self.expose_uint8_memory();
self.globals.push_str(&format!("
function getStringFromWasm(ptr, len) {{
return textDecoder().decode(getUint8Memory().slice(ptr, ptr + len));
return cachedDecoder.decode(getUint8Memory().slice(ptr, ptr + len));
}}
"));
}