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https://github.com/fluencelabs/wasm-bindgen
synced 2025-03-16 18:20:51 +00:00
Implement suggestings from @fitzgen.
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@ -357,25 +357,31 @@ impl<'a> Context<'a> {
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Ok(String::from(
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"
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function(i, len_ptr) {
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const toString = Object.prototype.toString;
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const debug_str = val => {
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// primitive types
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const type = typeof val;
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if (type == 'number' || type == 'boolean' || val == null) {
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return val + '';
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return `${val}`;
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}
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if (type == 'string') {
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return '\"' + val + '\"';
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return `\"${val}\"`;
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}
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if (type == 'symbol') {
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const description = val.description;
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if (description == null) {
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return 'Symbol';
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} else {
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return 'Symbol(' + description + ')';
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return `Symbol(${description})`;
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}
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}
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if (type == 'function') {
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return 'Function';
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const name = val.name;
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if (typeof name == 'string') {
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return `Function(${name})`;
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} else {
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return 'Function';
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}
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}
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// objects
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if (Array.isArray(val)) {
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@ -391,19 +397,23 @@ impl<'a> Context<'a> {
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return debug;
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}
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// Test for built-in
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const builtInMatches = /\\[object ([^])+\\]/.exec(val.toString());
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const builtInMatches = /\\[object ([^])+\\]/.exec(toString.call(val));
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let className;
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if (builtInMatches.len > 0) {
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className = builtInMatches[0];
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} else {
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// Failed to match the standard '[object ClassName]'
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return val.toString();
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return toString.call(val);
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}
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if (className == 'Object') {
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// we're a user defined class or Object
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// JSON.stringify avoids problems with cycles, and is generally much
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// easier than looping through ownProperties of `val`.
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return 'Object(' + JSON.stringify(val) + ')';
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try {
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return 'Object(' + JSON.stringify(val) + ')';
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} catch (_) {
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return 'Object';
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}
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} else {
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return className;
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}
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