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Add util.inspect emulation in REPL (#387)

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- output values with controlable depth and detail
- add `.hidden` and `.depth` directives
- remove `eval_mode`
- add `use_strict` and `.strict` meta command
- add missing closures on global objects
- save and load command history to/from `~/.qjs_history`
- use USEPROFILE variable on Windows in addition to HOME
- use the same style names as util.inspect
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Charlie Gordon 2024-04-21 08:46:17 +02:00 committed by GitHub
parent a77873d657
commit f227746c6e
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2 changed files with 3313 additions and 2078 deletions
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repl.js
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@ -33,12 +33,21 @@ import * as os from "os";
/* close global objects */ /* close global objects */
var Object = g.Object; var Object = g.Object;
var String = g.String; var String = g.String;
var Number = g.Number;
var Boolean = g.Boolean;
var BigInt = g.BigInt;
var Uint8Array = g.Uint8Array;
var Array = g.Array; var Array = g.Array;
var Date = g.Date; var Date = g.Date;
var RegExp = g.RegExp; var RegExp = g.RegExp;
var Error = g.Error;
var Symbol = g.Symbol;
var Math = g.Math; var Math = g.Math;
var JSON = g.JSON; var JSON = g.JSON;
var isFinite = g.isFinite; var isFinite = g.isFinite;
var isNaN = g.isNaN;
var Infinity = g.Infinity;
var console = g.console;
var colors = { var colors = {
none: "\x1b[0m", none: "\x1b[0m",
@ -63,56 +72,70 @@ import * as os from "os";
var themes = { var themes = {
dark: { dark: {
'default': 'bright_green', 'annotation': 'cyan',
'boolean': 'bright_white',
'comment': 'white', 'comment': 'white',
'string': 'bright_cyan', 'date': 'magenta',
'regex': 'cyan', 'default': 'bright_green',
'number': 'green', 'error': 'bright_red',
'keyword': 'bright_white',
'function': 'bright_yellow', 'function': 'bright_yellow',
'type': 'bright_magenta',
'identifier': 'bright_green', 'identifier': 'bright_green',
'error': 'red', 'keyword': 'bright_white',
'result': 'bright_white', 'null': 'bright_white',
'error_msg': 'bright_red', 'number': 'green',
'other': 'white',
'propname': 'white',
'regexp': 'cyan',
'string': 'bright_cyan',
'symbol': 'bright_white',
'type': 'bright_magenta',
'undefined': 'bright_white',
}, },
light: { light: {
'default': 'bright_green', 'annotation': 'cyan',
'boolean': 'bright_magenta',
'comment': 'grey', 'comment': 'grey',
'string': 'bright_cyan', 'date': 'magenta',
'regex': 'cyan', 'default': 'black',
'number': 'green',
'keyword': 'bright_magenta',
'function': 'bright_yellow',
'type': 'bright_magenta',
'identifier': 'bright_green',
'error': 'red', 'error': 'red',
'result': 'grey', 'function': 'bright_yellow',
'error_msg': 'bright_red', 'identifier': 'black',
'keyword': 'bright_magenta',
'null': 'bright_magenta',
'number': 'green',
'other': 'black',
'propname': 'black',
'regexp': 'cyan',
'string': 'bright_cyan',
'symbol': 'grey',
'type': 'bright_magenta',
'undefined': 'bright_magenta',
}, },
}; };
var styles = themes.dark; var styles = themes.dark;
var utf8 = true;
var show_time = false;
var show_colors = true;
var show_hidden = false;
var show_depth = 2;
var hex_mode = false;
var use_strict = false;
var history = []; var history = [];
var history_index;
var clip_board = ""; var clip_board = "";
var pstate = ""; var pstate = "";
var prompt = ""; var prompt = "";
var plen = 0; var plen = 0;
var ps1 = "qjs > "; var ps1 = "qjs > ";
var ps2 = " ... "; var ps2 = " ... ";
var utf8 = true;
var show_time = false;
var show_colors = true;
var eval_time = 0; var eval_time = 0;
var mexpr = ""; var mexpr = "";
var level = 0; var level = 0;
var cmd = ""; var cmd = "";
var cursor_pos = 0; var cursor_pos = 0;
var last_cmd = ""; var last_cmd = "";
var last_cursor_pos = 0; var last_cursor_pos = 0;
var history_index;
var this_fun, last_fun; var this_fun, last_fun;
var quote_flag = false; var quote_flag = false;
@ -393,7 +416,10 @@ import * as os from "os";
} }
function history_add(str) { function history_add(str) {
str = str.trimRight();
if (str) { if (str) {
while (history.length && !history[history.length - 1])
history.length--;
history.push(str); history.push(str);
} }
history_index = history.length; history_index = history.length;
@ -556,7 +582,7 @@ import * as os from "os";
function control_c() { function control_c() {
if (last_fun === control_c) { if (last_fun === control_c) {
std.puts("\n"); std.puts("\n");
std.exit(0); exit(0);
} else { } else {
std.puts("\n(Press Ctrl-C again to quit)\n"); std.puts("\n(Press Ctrl-C again to quit)\n");
readline_print_prompt(); readline_print_prompt();
@ -884,6 +910,7 @@ import * as os from "os";
os.signal(os.SIGINT, null); os.signal(os.SIGINT, null);
/* uninstall the stdin read handler */ /* uninstall the stdin read handler */
os.setReadHandler(term_fd, null); os.setReadHandler(term_fd, null);
save_history();
return; return;
} }
last_fun = this_fun; last_fun = this_fun;
@ -899,9 +926,6 @@ import * as os from "os";
update(); update();
} }
var hex_mode = false;
var eval_mode = "std";
function number_to_string(a, radix) { function number_to_string(a, radix) {
var s; var s;
if (!isFinite(a)) { if (!isFinite(a)) {
@ -945,84 +969,461 @@ import * as os from "os";
} else { } else {
s = a.toString(); s = a.toString();
} }
if (eval_mode === "std") return s + "n";
s += "n";
return s;
} }
function print(a) {
var stack = [];
function print_rec(a) { var util = {};
var n, i, keys, key, type, s; util.inspect = function(val, show_hidden, max_depth, use_colors) {
var options = {};
type = typeof(a); if (typeof show_hidden === 'object' && show_hidden !== null) {
if (type === "object") { options = show_hidden;
show_hidden = options.showHidden;
max_depth = options.depth;
use_colors = options.colors;
}
function set(opt, def) {
return (typeof opt === 'undefined') ? def : (opt === null) ? Infinity : opt;
}
if (typeof show_hidden !== 'boolean')
show_hidden = false;
max_depth = set(max_depth, 2);
use_colors = set(use_colors, true);
var breakLength = set(options.breakLength, Math.min(term_width, 80));
var maxArrayLength = set(options.maxArrayLength, 100);
var maxObjectLength = set(options.maxObjectLength, maxArrayLength + 10);
var maxStringLength = set(options.maxStringLength, 78);
var refs = [{}]; /* list of circular references */
var stack = []; /* stack of pending objects */
var tokens = []; /* list of generated tokens */
var output = []; /* list of output fragments */
var last_style = 'none';
function quote_str(s) {
if (s.includes("'"))
return JSON.stringify(s);
s = JSON.stringify(s).slice(1, -1).replaceAll('\\"', '"');
return `'${s}'`;
}
function push_token(s) {
tokens.push("" + s);
}
function append_token(s) {
tokens[tokens.length - 1] += s;
}
function class_tag(o) {
// get the class id of an object
// works for boxed objects, Math, JSON, globalThis...
return Object.prototype.toString.call(o).slice(8, -1);
}
function print_rec(a, level) {
var n, n0, i, k, keys, key, type, isarray, noindex, nokeys, brace, sep;
switch (type = typeof(a)) {
case "undefined":
case "boolean":
push_token(a);
break;
case "number":
push_token(number_to_string(a, hex_mode ? 16 : 10));
break;
case "bigint":
push_token(bigint_to_string(a, hex_mode ? 16 : 10));
break;
case "string":
if (a.length > maxStringLength)
a = a.substring(0, maxStringLength) + "...";
push_token(quote_str(a));
break;
case "symbol":
push_token(String(a));
break;
case "object":
case "function":
if (a === null) { if (a === null) {
std.puts(a); push_token(a);
} else if (stack.indexOf(a) >= 0) { break;
std.puts("[circular]");
} else if (a instanceof Date) {
std.puts(`Date ${JSON.stringify(a.toGMTString())}`);
} else if (a instanceof RegExp) {
std.puts(a.toString());
} else {
stack.push(a);
if (Array.isArray(a)) {
n = a.length;
std.puts("[ ");
for(i = 0; i < n; i++) {
if (i !== 0)
std.puts(", ");
if (i in a) {
print_rec(a[i]);
} else {
std.puts("<empty>");
}
if (i > 20) {
std.puts("...");
break;
}
}
std.puts(" ]");
} else {
keys = Object.keys(a);
n = keys.length;
std.puts("{ ");
for(i = 0; i < n; i++) {
if (i !== 0)
std.puts(", ");
key = keys[i];
std.puts(key, ": ");
print_rec(a[key]);
}
std.puts(" }");
}
stack.pop(a);
} }
} else if (type === "string") { if ((n = refs.indexOf(a)) >= 0) {
s = JSON.stringify(a); push_token(`[Circular *${n}]`);
if (s.length > 79) break;
s = s.substring(0, 75) + "...\""; }
std.puts(s); if ((n = stack.indexOf(a)) >= 0) {
} else if (type === "number") { push_token(`[Circular *${refs.length}]`);
std.puts(number_to_string(a, hex_mode ? 16 : 10)); refs.push(stack[n]);
} else if (type === "bigint") { break;
std.puts(bigint_to_string(a, hex_mode ? 16 : 10)); }
} else if (type === "symbol") { var obj_index = tokens.length;
std.puts(String(a)); var tag = class_tag(a);
} else if (type === "function") { stack.push(a);
std.puts("function " + a.name + "()"); // XXX: should have Proxy instances
} else { if (a instanceof Date) {
std.puts(a); push_token(`Date ${JSON.stringify(a.toGMTString())}`);
} else if (a instanceof RegExp) {
push_token(a.toString());
} else if (a instanceof Boolean || a instanceof Number || a instanceof BigInt) {
push_token(`[${tag}: ${a}]`);
} else if (a instanceof String) {
push_token(`[${tag}: ${quote_str(a)}]`);
len = a.length;
noindex = 1;
} else if (Array.isArray(a)) {
push_token("[");
isarray = 1;
} else if (tag.includes('Array') && a instanceof Uint8Array.__proto__) {
push_token(`${tag}(${a.length}) [`);
isarray = 1;
} else if (type === 'function') {
if (a.name)
push_token(`[Function: ${a.name}]`);
else
push_token(`[Function (anonymous)]`);
} else {
var cons = (a.constructor && a.constructor.name) || 'Object';
if (tag !== 'Object') {
push_token(`${cons} [${tag}] {`);
} else if (a.__proto__ === null) {
push_token(`[${cons}: null prototype] {`);
} else if (cons !== 'Object') {
push_token(`${cons} {`);
} else {
push_token("{");
}
brace = "}";
}
keys = null;
n = 0;
n0 = 0;
k = 0;
if (isarray) {
brace = "]";
var len = a.length;
if (level > max_depth && len) {
push_token("...");
push_token(brace);
return;
}
for (i = 0; i < len; i++) {
k++;
if (i in a) {
print_rec(a[i], level + 1);
} else {
var start = i;
while (i + 1 < len && !((i + 1) in a))
i++;
if (i > start)
push_token(`<${i - start + 1} empty items>`);
else
push_token("<empty>");
}
if (k >= maxArrayLength && len - k > 5) {
push_token(`... ${len - k} more items`);
break;
}
}
noindex = 1;
/* avoid using Object.keys for large arrays */
if (i !== len && len > 1000)
nokeys = 1;
}
if (!nokeys) {
keys = show_hidden ? Object.getOwnPropertyNames(a) : Object.keys(a);
n = keys.length;
}
if (noindex) {
/* skip all index properties */
for (; n0 < n; n0++) {
i = +keys[n0];
if (i !== (i >>> 0) || i >= len)
break;
}
}
if (n0 < n) {
if (!brace) {
append_token(" {");
brace = "}";
}
if (level > max_depth && n0 < n) {
push_token("...");
push_token(brace);
return;
}
for(i = n0; i < n; i++) {
var key = keys[i];
var desc = Object.getOwnPropertyDescriptor(a, key);
if (!desc)
continue;
if (!desc.enumerable)
push_token(`[${String(key)}]`);
else
if (+key === (key >>> 0) || key.match(/^[a-zA-Z_$][0-9a-zA-Z_$]*/))
push_token(key);
else
push_token(quote_str(key));
push_token(":");
if ('value' in desc) {
print_rec(desc.value, level + 1);
} else {
var fields = [];
if (desc.get)
fields.push("Getter");
if (desc.set)
fields.push("Setter");
push_token(`[${fields.join('/')}]`);
}
k++;
if (k > maxObjectLength && n - k > 5) {
push_token(`... ${n - k} more properties`);
break;
}
}
}
if (brace)
push_token(brace);
stack.pop(a);
if ((i = refs.indexOf(a)) > 0)
tokens[obj_index] = `<ref *${i}> ${tokens[obj_index]}`;
break;
default:
push_token(String(a));
break;
}
};
function output_str(s, style) {
if (use_colors) {
if (last_style !== style) {
output.push(colors.none);
last_style = style;
}
if (style) {
var color = colors[styles[style]];
if (color)
output.push(color);
}
}
output.push(s);
}
function output_propname(s) {
if (s[0] >= '0' && s[0] <= '9')
output_str(s, 'number');
else
output_str(s, 'propname');
output_str(": ");
}
function output_pretty(s) {
if (!use_colors) {
output_str(s);
return;
}
while (s.length > 0) {
var style = 'none';
var chunk = s;
var len = 0;
var m = null;
switch (s[0]) {
case '"':
style = 'string';
m = s.match(/^"([^\\"]|\\.)*"/);
break;
case '\'':
style = 'string';
m = s.match(/^'([^\\']|\\.)*'/);
break;
case '/':
style = 'regexp';
break;
case '<':
m = s.match(/^\<[^\>]+\>/);
if (m)
style = 'annotation';
break;
case '[':
m = s.match(/^\[[^\]]+\]/);
if (m) {
style = 'annotation';
break;
}
/* fall thru */
case ']':
case '}':
case ',':
case ' ':
style = 'other';
len = 1;
break;
case '.':
style = 'annotation';
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
style = 'number';
m = s.match(/^[0-9a-z_]+[.]?[0-9a-z_]*[eEpP]?[+-]?[0-9]*/);
break;
case '-':
len = 1;
break;
default:
if (is_block(s))
len = s.length - 1;
if (s.startsWith('Date'))
style = 'date';
else if (s.startsWith('Symbol'))
style = 'symbol';
else if (s === 'Infinity' || s === 'NaN')
style = 'keyword';
else if (s === 'true' || s === 'false')
style = 'boolean';
else if (s === 'null')
style = 'null';
else if (s === 'undefined')
style = 'undefined';
break;
}
if (m)
len = m[0].length;
if (len > 0)
chunk = s.slice(0, len);
output_str(chunk, style);
s = s.slice(chunk.length);
} }
} }
print_rec(a); function is_block(s) {
var c = s[s.length - 1];
return c === '[' || c === '{';
}
function block_width(i) {
var w = tokens[i].length;
if (tokens[i + 1] === ":") {
i += 2;
w += 2 + tokens[i].length;
}
var width = w;
if (is_block(tokens[i])) {
var seplen = 1;
while (++i < tokens.length) {
width += seplen;
var s = tokens[i];
if (s === ']' || s === '}')
break;
[ i, w ] = block_width(i);
width += w;
seplen = 2;
}
}
return [ i, width ];
}
function output_single(i, last) {
var sep = "";
while (i <= last) {
var s = tokens[i++];
if (s === ']' || s === '}') {
if (sep.length > 1)
output_str(" ");
} else {
output_str(sep);
if (tokens[i] === ":") {
output_propname(s);
i++;
s = tokens[i++];
}
}
output_pretty(s);
sep = is_block(s) ? " " : ", ";
}
}
function output_spaces(s, count) {
if (count > 0)
s += " ".repeat(count);
output_str(s);
}
function output_indent(indent, from) {
var avail_width = breakLength - indent - 2;
var [ last, width ] = block_width(from);
if (width <= avail_width) {
output_single(from, last);
return [ last, width ];
}
if (tokens[from + 1] === ":") {
output_propname(tokens[from]);
from += 2;
}
output_pretty(tokens[from]);
if (!is_block(tokens[from])) {
return [ from, width ];
}
indent += 2;
avail_width -= 2;
var sep = "";
var first = from + 1;
var i, w;
if (tokens[from].endsWith('[')) {
/* array: try multiple columns for indexed values */
var k = 0, col, cols;
var tab = [];
for (i = first; i < last; i++) {
if (tokens[i][0] === '.' || tokens[i + 1] === ':')
break;
[ i, w ] = block_width(i);
tab[k++] = w;
}
var colwidth;
for (cols = Math.min(avail_width / 3, tab.length, 16); cols > 1; cols--) {
colwidth = [];
col = 0;
for (k = 0; k < tab.length; k++) {
colwidth[col] = Math.max(colwidth[col] || 0, tab[k] + 2);
col = (col + 1) % cols;
}
w = 0;
for (col = 0; col < cols; col++) {
w += colwidth[col];
}
if (w <= avail_width)
break;
}
if (cols > 1) {
w = 0;
col = cols - 1;
for (i = first; i < last; i++) {
if (tokens[i][0] === '.' || tokens[i + 1] === ':')
break;
w += sep.length;
output_str(sep);
sep = ",";
if (col === cols - 1) {
output_spaces("\n", indent);
col = 0;
} else {
output_spaces("", colwidth[col++] - w);
}
[i, w] = output_indent(indent, i);
}
first = i;
}
}
for (i = first; i < last; i++) {
output_str(sep);
sep = ",";
output_spaces("\n", indent);
[i, w] = output_indent(indent, i);
}
output_spaces("\n", indent -= 2);
output_pretty(tokens[last]);
return [last, breakLength];
}
print_rec(val, 0);
output_indent(0, 0);
output_str("");
return output.join("");
};
function print(val) {
std.puts(util.inspect(val, { depth: show_depth, colors: show_colors, showHidden: show_hidden }));
std.puts("\n");
} }
/* return true if the string was a directive */ /* return true if the string was a directive */
function handle_directive(a) { function handle_directive(a) {
var pos;
if (a === "?") { if (a === "?") {
help(); help();
return true; return true;
@ -1056,16 +1457,19 @@ import * as os from "os";
function help() { function help() {
var sel = (n) => n ? "*": " "; var sel = (n) => n ? "*": " ";
std.puts(".help print this help\n" + std.puts(".help print this help\n" +
".x " + sel(hex_mode) + "hexadecimal number display\n" + ".x " + sel(hex_mode) + "hexadecimal number display\n" +
".dec " + sel(!hex_mode) + "decimal number display\n" + ".dec " + sel(!hex_mode) + "decimal number display\n" +
".time " + sel(show_time) + "toggle timing display\n" + ".time " + sel(show_time) + "toggle timing display\n" +
".color " + sel(show_colors) + "toggle colored output\n" + ".strict " + sel(use_strict) + "toggle strict mode evaluation\n" +
".dark " + sel(styles == themes.dark) + "select dark color theme\n" + `.depth set object depth (current: ${show_depth})\n` +
".light " + sel(styles == themes.light) + "select light color theme\n" + ".hidden " + sel(show_hidden) + "toggle hidden properties display\n" +
".clear clear the terminal\n" + ".color " + sel(show_colors) + "toggle colored output\n" +
".load load source code from a file\n" + ".dark " + sel(styles == themes.dark) + "select dark color theme\n" +
".quit exit\n"); ".light " + sel(styles == themes.light) + "select light color theme\n" +
".clear clear the terminal\n" +
".load load source code from a file\n" +
".quit exit\n");
} }
function load(s) { function load(s) {
@ -1078,6 +1482,11 @@ import * as os from "os";
} }
} }
function exit(e) {
save_history();
std.exit(e);
}
function to_bool(s, def) { function to_bool(s, def) {
return s ? "1 true yes Yes".includes(s) : def; return s ? "1 true yes Yes".includes(s) : def;
} }
@ -1088,31 +1497,31 @@ import * as os from "os";
"x": (s) => { hex_mode = to_bool(s, true); }, "x": (s) => { hex_mode = to_bool(s, true); },
"dec": (s) => { hex_mode = !to_bool(s, true); }, "dec": (s) => { hex_mode = !to_bool(s, true); },
"time": (s) => { show_time = to_bool(s, !show_time); }, "time": (s) => { show_time = to_bool(s, !show_time); },
"strict": (s) => { use_strict = to_bool(s, !use_strict); },
"depth": (s) => { show_depth = +s || 2; },
"hidden": (s) => { show_hidden = to_bool(s, !show_hidden); },
"color": (s) => { show_colors = to_bool(s, !show_colors); }, "color": (s) => { show_colors = to_bool(s, !show_colors); },
"dark": () => { styles = themes.dark; }, "dark": () => { styles = themes.dark; },
"light": () => { styles = themes.light; }, "light": () => { styles = themes.light; },
"clear": () => { std.puts("\x1b[H\x1b[J") }, "clear": () => { std.puts("\x1b[H\x1b[J") },
"quit": () => { std.exit(0); }, "quit": () => { exit(0); },
}, null); }, null);
function eval_and_print(expr) { function eval_and_print(expr) {
var result; var result;
try { try {
if (eval_mode === "math") if (use_strict)
expr = '"use math"; void 0;' + expr; expr = '"use strict"; void 0;' + expr;
var now = (new Date).getTime(); var now = Date.now();
/* eval as a script */ /* eval as a script */
result = std.evalScript(expr, { backtrace_barrier: true }); result = std.evalScript(expr, { backtrace_barrier: true });
eval_time = (new Date).getTime() - now; eval_time = Date.now() - now;
std.puts(colors[styles.result]);
print(result); print(result);
std.puts("\n");
std.puts(colors.none);
/* set the last result */ /* set the last result */
g._ = result; g._ = result;
} catch (error) { } catch (error) {
std.puts(colors[styles.error_msg]); std.puts(colors[styles.error]);
if (error instanceof Error) { if (error instanceof Error) {
console.log(error); console.log(error);
if (error.stack) { if (error.stack) {
@ -1222,7 +1631,7 @@ import * as os from "os";
} }
function parse_regex() { function parse_regex() {
style = 'regex'; style = 'regexp';
push_state('/'); push_state('/');
while (i < n) { while (i < n) {
c = str[i++]; c = str[i++];
@ -1260,6 +1669,8 @@ import * as os from "os";
function parse_number() { function parse_number() {
style = 'number'; style = 'number';
// TODO(chqrlie) parse partial number syntax
// TODO(chqrlie) special case bignum
while (i < n && (is_word(str[i]) || (str[i] == '.' && (i == n - 1 || str[i + 1] != '.')))) { while (i < n && (is_word(str[i]) || (str[i] == '.' && (i == n - 1 || str[i + 1] != '.')))) {
i++; i++;
} }
@ -1285,10 +1696,19 @@ import * as os from "os";
while (i < n && is_word(str[i])) while (i < n && is_word(str[i]))
i++; i++;
var w = '|' + str.substring(start, i) + '|'; var s = str.substring(start, i);
var w = '|' + s + '|';
if (js_keywords.indexOf(w) >= 0) { if (js_keywords.indexOf(w) >= 0) {
style = 'keyword'; style = 'keyword';
if (s === 'true' || s === 'false')
style = 'boolean';
else if (s === 'true' || s === 'false')
style = 'boolean';
else if (s === 'null')
style = 'null';
else if (s === 'undefined')
style = 'undefined';
if (js_no_regex.indexOf(w) >= 0) if (js_no_regex.indexOf(w) >= 0)
can_regex = 0; can_regex = 0;
return; return;
@ -1382,7 +1802,7 @@ import * as os from "os";
can_regex = 0; can_regex = 0;
break; break;
} }
if (is_word(c) || c == '$') { if (is_word(c)) {
parse_identifier(); parse_identifier();
break; break;
} }
@ -1396,15 +1816,39 @@ import * as os from "os";
return [ state, level, r ]; return [ state, level, r ];
} }
var m, s = std.getenv("COLORFGBG"); function config_file(s) {
if (s && (m = s.match(/(\d+);(\d+)/))) { return (std.getenv("HOME") || std.getenv("USERPROFILE") || ".") + "/" + s;
if (+m[2] !== 0) { // light background }
styles = themes.light; function save_history() {
var s = history.slice(-1000).join('\n').trim();
if (s) {
try {
var f = std.open(config_file(".qjs_history"), "w");
f.puts(s + '\n');
f.close();
} catch (e) {
}
}
}
function load_history() {
var a = std.loadFile(config_file(".qjs_history"));
if (a) {
history = a.trim().split('\n');
history_index = history.length;
}
}
function load_config() {
var m, s = std.getenv("COLORFGBG");
if (s && (m = s.match(/(\d+);(\d+)/))) {
if (+m[2] !== 0) { // light background
styles = themes.light;
}
} }
} }
load_config();
load_history();
termInit(); termInit();
cmd_start(); cmd_start();
})(globalThis); })(globalThis);