mirror of
https://github.com/denoland/deno.git
synced 2024-12-22 15:24:46 -05:00
fix(console): circular customInspect (#10338)
This commit is contained in:
Aaron O'Mullan
GitHub
parent
4fa0e9c652
commit
83770e898e
2 changed files with 69 additions and 60 deletions
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@ -342,6 +342,14 @@ unitTest(function consoleTestStringifyCircular(): void {
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stringify({ str: 1, [Symbol.for("sym")]: 2, [Symbol.toStringTag]: "TAG" }),
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'TAG { str: 1, [Symbol(sym)]: 2, [Symbol(Symbol.toStringTag)]: "TAG" }',
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);
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assertEquals(
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stringify({
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[Deno.customInspect]: function () {
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return Deno.inspect(this);
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},
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}),
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"[Circular]",
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);
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// test inspect is working the same
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assertEquals(stripColor(Deno.inspect(nestedObj)), nestedObjExpected);
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});
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@ -878,12 +886,19 @@ unitTest(function consoleTestWithCustomInspectorError(): void {
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}
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}
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const a = new A();
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assertThrows(
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() => stringify(new A()),
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() => stringify(a),
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Error,
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"BOOM",
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"Custom inspect won't attempt to parse if user defined function throws",
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);
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assertThrows(
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() => stringify(a),
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Error,
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"BOOM",
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"Inpsect should fail and maintain a clear CTX_STACK",
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);
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});
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unitTest(function consoleTestWithCustomInspectFunction(): void {
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@ -200,7 +200,7 @@
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return inspectOptions.colors ? fn : (s) => s;
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}
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function inspectFunction(value, ctx, level, inspectOptions) {
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function inspectFunction(value, level, inspectOptions) {
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const cyan = maybeColor(colors.cyan, inspectOptions);
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if (customInspect in value && typeof value[customInspect] === "function") {
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return String(value[customInspect]());
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@ -222,7 +222,7 @@
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Object.keys(value).length > 0 ||
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Object.getOwnPropertySymbols(value).length > 0
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) {
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const propString = inspectRawObject(value, ctx, level, inspectOptions);
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const propString = inspectRawObject(value, level, inspectOptions);
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// Filter out the empty string for the case we only have
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// non-enumerable symbols.
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if (
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@ -242,7 +242,6 @@
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function inspectIterable(
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value,
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ctx,
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level,
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options,
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inspectOptions,
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@ -251,7 +250,6 @@
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if (level >= inspectOptions.depth) {
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return cyan(`[${options.typeName}]`);
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}
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ctx.add(value);
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const entries = [];
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@ -265,7 +263,6 @@
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entries.push(
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options.entryHandler(
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el,
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ctx,
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level + 1,
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inspectOptions,
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next.bind(iter),
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@ -274,7 +271,6 @@
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}
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entriesLength++;
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}
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ctx.delete(value);
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if (options.sort) {
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entries.sort();
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@ -427,17 +423,16 @@
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return entries;
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}
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function inspectValue(
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function _inspectValue(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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const proxyDetails = core.getProxyDetails(value);
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if (proxyDetails != null) {
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return inspectOptions.showProxy
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? inspectProxy(proxyDetails, ctx, level, inspectOptions)
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: inspectValue(proxyDetails[0], ctx, level, inspectOptions);
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? inspectProxy(proxyDetails, level, inspectOptions)
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: inspectValue(proxyDetails[0], level, inspectOptions);
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}
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const green = maybeColor(colors.green, inspectOptions);
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@ -462,29 +457,43 @@
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case "bigint": // Bigints are yellow
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return yellow(`${value}n`);
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case "function": // Function string is cyan
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if (ctx.has(value)) {
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if (ctxHas(value)) {
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// Circular string is cyan
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return cyan("[Circular]");
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}
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return inspectFunction(value, ctx, level, inspectOptions);
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return inspectFunction(value, level, inspectOptions);
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case "object": // null is bold
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if (value === null) {
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return bold("null");
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}
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if (ctx.has(value)) {
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if (ctxHas(value)) {
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// Circular string is cyan
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return cyan("[Circular]");
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}
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return inspectObject(value, ctx, level, inspectOptions);
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return inspectObject(value, level, inspectOptions);
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default:
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// Not implemented is red
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return red("[Not Implemented]");
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}
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}
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function inspectValue(
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value,
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level,
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inspectOptions,
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) {
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CTX_STACK.push(value);
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let x;
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try {
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x = _inspectValue(value, level, inspectOptions);
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} finally {
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CTX_STACK.pop();
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}
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return x;
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}
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// We can match Node's quoting behavior exactly by swapping the double quote and
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// single quote in this array. That would give preference to single quotes.
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// However, we prefer double quotes as the default.
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@ -544,10 +553,15 @@
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return `Symbol(${quoteString(symbol.description)})`;
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}
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const CTX_STACK = [];
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function ctxHas(x) {
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// Only check parent contexts
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return CTX_STACK.slice(0, CTX_STACK.length - 1).includes(x);
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}
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// Print strings when they are inside of arrays or objects with quotes
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function inspectValueWithQuotes(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -560,13 +574,12 @@
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return green(quoteString(trunc)); // Quoted strings are green
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}
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default:
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return inspectValue(value, ctx, level, inspectOptions);
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return inspectValue(value, level, inspectOptions);
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}
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}
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function inspectArray(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -575,7 +588,7 @@
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typeName: "Array",
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displayName: "",
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delims: ["[", "]"],
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entryHandler: (entry, ctx, level, inspectOptions, next) => {
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entryHandler: (entry, level, inspectOptions, next) => {
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const [index, val] = entry;
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let i = index;
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if (!value.hasOwnProperty(i)) {
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@ -588,19 +601,18 @@
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const ending = emptyItems > 1 ? "s" : "";
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return dim(`<${emptyItems} empty item${ending}>`);
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} else {
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return inspectValueWithQuotes(val, ctx, level, inspectOptions);
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return inspectValueWithQuotes(val, level, inspectOptions);
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}
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},
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group: inspectOptions.compact,
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sort: false,
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};
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return inspectIterable(value, ctx, level, options, inspectOptions);
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return inspectIterable(value, level, options, inspectOptions);
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}
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function inspectTypedArray(
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typedArrayName,
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -609,19 +621,18 @@
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typeName: typedArrayName,
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displayName: `${typedArrayName}(${valueLength})`,
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delims: ["[", "]"],
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entryHandler: (entry, ctx, level, inspectOptions) => {
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entryHandler: (entry, level, inspectOptions) => {
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const val = entry[1];
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return inspectValueWithQuotes(val, ctx, level + 1, inspectOptions);
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return inspectValueWithQuotes(val, level + 1, inspectOptions);
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},
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group: inspectOptions.compact,
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sort: false,
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};
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return inspectIterable(value, ctx, level, options, inspectOptions);
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return inspectIterable(value, level, options, inspectOptions);
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}
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function inspectSet(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -629,19 +640,18 @@
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typeName: "Set",
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displayName: "Set",
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delims: ["{", "}"],
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entryHandler: (entry, ctx, level, inspectOptions) => {
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entryHandler: (entry, level, inspectOptions) => {
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const val = entry[1];
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return inspectValueWithQuotes(val, ctx, level + 1, inspectOptions);
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return inspectValueWithQuotes(val, level + 1, inspectOptions);
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},
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group: false,
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sort: inspectOptions.sorted,
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};
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return inspectIterable(value, ctx, level, options, inspectOptions);
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return inspectIterable(value, level, options, inspectOptions);
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}
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function inspectMap(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -649,23 +659,21 @@
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typeName: "Map",
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displayName: "Map",
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delims: ["{", "}"],
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entryHandler: (entry, ctx, level, inspectOptions) => {
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entryHandler: (entry, level, inspectOptions) => {
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const [key, val] = entry;
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return `${
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inspectValueWithQuotes(
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key,
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ctx,
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level + 1,
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inspectOptions,
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)
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} => ${inspectValueWithQuotes(val, ctx, level + 1, inspectOptions)}`;
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} => ${inspectValueWithQuotes(val, level + 1, inspectOptions)}`;
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},
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group: false,
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sort: inspectOptions.sorted,
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};
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return inspectIterable(
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value,
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ctx,
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level,
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options,
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inspectOptions,
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@ -716,7 +724,6 @@
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function inspectPromise(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -736,7 +743,6 @@
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const str = `${prefix}${
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inspectValueWithQuotes(
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result,
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ctx,
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level + 1,
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inspectOptions,
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)
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@ -751,18 +757,14 @@
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function inspectProxy(
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targetAndHandler,
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ctx,
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level,
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inspectOptions,
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) {
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return `Proxy ${
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inspectArray(targetAndHandler, ctx, level, inspectOptions)
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}`;
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return `Proxy ${inspectArray(targetAndHandler, level, inspectOptions)}`;
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}
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function inspectRawObject(
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value,
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ctx,
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level,
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inspectOptions,
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) {
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@ -771,7 +773,6 @@
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if (level >= inspectOptions.depth) {
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return cyan("[Object]"); // wrappers are in cyan
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}
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ctx.add(value);
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let baseString;
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@ -812,7 +813,6 @@
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const inspectedValue = error == null
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? inspectValueWithQuotes(
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propertyValue,
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ctx,
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level + 1,
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inspectOptions,
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)
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@ -827,7 +827,7 @@
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} else {
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entries.push(
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`${maybeQuoteString(key)}: ${
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inspectValueWithQuotes(value[key], ctx, level + 1, inspectOptions)
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inspectValueWithQuotes(value[key], level + 1, inspectOptions)
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}`,
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);
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}
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@ -853,7 +853,6 @@
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const inspectedValue = error == null
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? inspectValueWithQuotes(
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propertyValue,
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ctx,
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level + 1,
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inspectOptions,
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)
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@ -868,7 +867,7 @@
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} else {
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entries.push(
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`[${maybeQuoteSymbol(key)}]: ${
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inspectValueWithQuotes(value[key], ctx, level + 1, inspectOptions)
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inspectValueWithQuotes(value[key], level + 1, inspectOptions)
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}`,
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);
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}
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@ -879,8 +878,6 @@
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const totalLength = entries.length + level +
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colors.stripColor(entries.join("")).length;
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ctx.delete(value);
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if (entries.length === 0) {
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baseString = "{}";
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} else if (totalLength > LINE_BREAKING_LENGTH || !inspectOptions.compact) {
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@ -902,7 +899,6 @@
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function inspectObject(
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value,
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consoleContext,
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level,
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inspectOptions,
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) {
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@ -927,7 +923,7 @@
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if (value instanceof Error) {
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return String(value.stack);
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} else if (Array.isArray(value)) {
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return inspectArray(value, consoleContext, level, inspectOptions);
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return inspectArray(value, level, inspectOptions);
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} else if (value instanceof Number) {
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return inspectNumberObject(value, inspectOptions);
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} else if (value instanceof Boolean) {
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@ -935,15 +931,15 @@
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} else if (value instanceof String) {
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return inspectStringObject(value, inspectOptions);
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} else if (value instanceof Promise) {
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return inspectPromise(value, consoleContext, level, inspectOptions);
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return inspectPromise(value, level, inspectOptions);
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} else if (value instanceof RegExp) {
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return inspectRegExp(value, inspectOptions);
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} else if (value instanceof Date) {
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return inspectDate(value, inspectOptions);
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} else if (value instanceof Set) {
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return inspectSet(value, consoleContext, level, inspectOptions);
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return inspectSet(value, level, inspectOptions);
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} else if (value instanceof Map) {
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return inspectMap(value, consoleContext, level, inspectOptions);
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return inspectMap(value, level, inspectOptions);
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} else if (value instanceof WeakSet) {
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return inspectWeakSet(inspectOptions);
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} else if (value instanceof WeakMap) {
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@ -952,13 +948,12 @@
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return inspectTypedArray(
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Object.getPrototypeOf(value).constructor.name,
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value,
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consoleContext,
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level,
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inspectOptions,
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);
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} else {
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// Otherwise, default object formatting
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return inspectRawObject(value, consoleContext, level, inspectOptions);
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return inspectRawObject(value, level, inspectOptions);
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}
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}
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@ -1408,7 +1403,6 @@
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// Format as an object.
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formattedArg = inspectValue(
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args[a++],
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new Set(),
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0,
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rInspectOptions,
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);
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@ -1451,7 +1445,7 @@
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string += args[a];
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} else {
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// Use default maximum depth for null or undefined arguments.
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string += inspectValue(args[a], new Set(), 0, rInspectOptions);
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string += inspectValue(args[a], 0, rInspectOptions);
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}
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}
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@ -1615,7 +1609,7 @@
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}
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const stringifyValue = (value) =>
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inspectValueWithQuotes(value, new Set(), 0, {
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inspectValueWithQuotes(value, 0, {
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...DEFAULT_INSPECT_OPTIONS,
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depth: 1,
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});
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@ -1774,7 +1768,7 @@
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value,
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inspectOptions = {},
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) {
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return inspectValue(value, new Set(), 0, {
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return inspectValue(value, 0, {
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...DEFAULT_INSPECT_OPTIONS,
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...inspectOptions,
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// TODO(nayeemrmn): Indent level is not supported.
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