@pnp/spfx-property-controls
Version:
Reusable property pane controls for SharePoint Framework solutions
999 lines (990 loc) • 73.9 kB
JavaScript
/**
* Helper class to format the JavaScript code.
* Based on code initially developed by: http://jsbeautifier.org/
*
* Usage:
js_beautify(js_source_text);
js_beautify(js_source_text, options);
The options are:
indent_size (default 4) - indentation size,
indent_char (default space) - character to indent with,
preserve_newlines (default true) - whether existing line breaks should be preserved,
max_preserve_newlines (default unlimited) - maximum number of line breaks to be preserved in one chunk,
jslint_happy (default false) - if true, then jslint-stricter mode is enforced.
jslint_happy !jslint_happy
---------------------------------
function () function()
brace_style (default "collapse") - "collapse" | "expand" | "end-expand"
put braces on the same line as control statements (default), or put braces on own line (Allman / ANSI style), or just put end braces on own line.
space_before_conditional (default true) - should the space before conditional statement be added, "if(true)" vs "if (true)",
unescape_strings (default false) - should printable characters in strings encoded in \xNN notation be unescaped, "example" vs "\x65\x78\x61\x6d\x70\x6c\x65"
wrap_line_length (default unlimited) - lines should wrap at next opportunity after this number of characters.
NOTE: This is not a hard limit. Lines will continue until a point where a newline would
be preserved if it were present.
e.g
js_beautify(js_source_text, {
'indent_size': 1,
'indent_char': '\t'
});
*/
var MODE;
(function (MODE) {
MODE["BlockStatement"] = "BlockStatement";
MODE["Statement"] = "Statement";
MODE["ObjectLiteral"] = "ObjectLiteral";
MODE["ArrayLiteral"] = "ArrayLiteral";
MODE["ForInitializer"] = "ForInitializer";
MODE["Conditional"] = "Conditional";
MODE["Expression"] = "Expression"; //'(EXPRESSION)'
})(MODE || (MODE = {}));
export class ScriptFormatter {
constructor() {
this.nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
this.nonASCIIidentifierChars = "\u0300-\u036f\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u0620-\u0649\u0672-\u06d3\u06e7-\u06e8\u06fb-\u06fc\u0730-\u074a\u0800-\u0814\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0840-\u0857\u08e4-\u08fe\u0900-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962-\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09d7\u09df-\u09e0\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2-\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b5f-\u0b60\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c01-\u0c03\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62-\u0c63\u0c66-\u0c6f\u0c82\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2-\u0ce3\u0ce6-\u0cef\u0d02\u0d03\u0d46-\u0d48\u0d57\u0d62-\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0df2\u0df3\u0e34-\u0e3a\u0e40-\u0e45\u0e50-\u0e59\u0eb4-\u0eb9\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f41-\u0f47\u0f71-\u0f84\u0f86-\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u1000-\u1029\u1040-\u1049\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u170e-\u1710\u1720-\u1730\u1740-\u1750\u1772\u1773\u1780-\u17b2\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u1920-\u192b\u1930-\u193b\u1951-\u196d\u19b0-\u19c0\u19c8-\u19c9\u19d0-\u19d9\u1a00-\u1a15\u1a20-\u1a53\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1b46-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1bb0-\u1bb9\u1be6-\u1bf3\u1c00-\u1c22\u1c40-\u1c49\u1c5b-\u1c7d\u1cd0-\u1cd2\u1d00-\u1dbe\u1e01-\u1f15\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2d81-\u2d96\u2de0-\u2dff\u3021-\u3028\u3099\u309a\ua640-\ua66d\ua674-\ua67d\ua69f\ua6f0-\ua6f1\ua7f8-\ua800\ua806\ua80b\ua823-\ua827\ua880-\ua881\ua8b4-\ua8c4\ua8d0-\ua8d9\ua8f3-\ua8f7\ua900-\ua909\ua926-\ua92d\ua930-\ua945\ua980-\ua983\ua9b3-\ua9c0\uaa00-\uaa27\uaa40-\uaa41\uaa4c-\uaa4d\uaa50-\uaa59\uaa7b\uaae0-\uaae9\uaaf2-\uaaf3\uabc0-\uabe1\uabec\uabed\uabf0-\uabf9\ufb20-\ufb28\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f";
this.nonASCIIidentifierStart = new RegExp("[" + this.nonASCIIidentifierStartChars + "]");
this.nonASCIIidentifier = new RegExp("[" + this.nonASCIIidentifierStartChars + this.nonASCIIidentifierChars + "]");
this.preindent_string = '';
// Whether a single character denotes a newline.
this.newline = /[\n\r\u2028\u2029]/;
// Matches a whole line break (where CRLF is considered a single line break). Used to count lines.
this.lineBreak = /\r\n|[\n\r\u2028\u2029]/g;
// Test whether a given character code starts an identifier.
this.isIdentifierStart = (code) => {
if (code < 65)
return code === 36;
if (code < 91)
return true;
if (code < 97)
return code === 95;
if (code < 123)
return true;
return code >= 0xaa && this.nonASCIIidentifierStart.test(String.fromCharCode(code));
};
// Test whether a given character is part of an identifier.
this.isIdentifierChar = (code) => {
if (code < 48)
return code === 36;
if (code < 58)
return true;
if (code < 65)
return false;
if (code < 91)
return true;
if (code < 97)
return code === 95;
if (code < 123)
return true;
return code >= 0xaa && this.nonASCIIidentifier.test(String.fromCharCode(code));
};
}
create_flags(flags_base, mode) {
let next_indent_level = 0;
if (flags_base) {
next_indent_level = flags_base.indentation_level;
if (!this.just_added_newline() &&
flags_base.line_indent_level > next_indent_level) {
next_indent_level = flags_base.line_indent_level;
}
}
const next_flags = {
mode: mode,
parent: flags_base,
last_text: flags_base ? flags_base.last_text : '', // last token text
last_word: flags_base ? flags_base.last_word : '', // last 'TK_WORD' passed
declaration_statement: false,
declaration_assignment: false,
in_html_comment: false,
multiline_frame: false,
if_block: false,
else_block: false,
do_block: false,
do_while: false,
in_case_statement: false, // switch(..){ INSIDE HERE }
in_case: false, // we're on the exact line with "case 0:"
case_body: false, // the indented case-action block
indentation_level: next_indent_level,
line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level,
start_line_index: this.output_lines.length,
had_comment: false,
ternary_depth: 0
};
return next_flags;
}
// Using object instead of string to allow for later expansion of info about each line
create_output_line() {
return {
text: []
};
}
trim_output(eat_newlines) {
if (!eat_newlines) {
return;
}
if (this.output_lines.length) {
this.trim_output_line(this.output_lines[this.output_lines.length - 1]);
while (this.output_lines.length > 1 &&
this.output_lines[this.output_lines.length - 1].text.length === 0) {
this.output_lines.pop();
this.trim_output_line(this.output_lines[this.output_lines.length - 1]);
}
}
}
trim_output_line(line) {
while (line.text.length &&
(line.text[line.text.length - 1] === ' ' ||
line.text[line.text.length - 1] === this.indent_string ||
line.text[line.text.length - 1] === this.preindent_string)) {
line.text.pop();
}
}
trim(s) {
return s.replace(/^\s+|\s+$/g, '');
}
// We could use just string.split, but IE doesn't like returning empty strings
split_newlines(s) {
s = s.replace(/\x0d/g, ''); // eslint-disable-line no-control-regex
const out = [];
let idx = s.indexOf("\n");
while (idx !== -1) {
out.push(s.substring(0, idx));
s = s.substring(idx + 1);
idx = s.indexOf("\n");
}
if (s.length) {
out.push(s);
}
return out;
}
just_added_newline() {
const line = this.output_lines[this.output_lines.length - 1];
return line.text.length === 0;
}
just_added_blankline() {
if (this.just_added_newline()) {
if (this.output_lines.length === 1) {
return true; // start of the file and newline = blank
}
const line = this.output_lines[this.output_lines.length - 2];
return line.text.length === 0;
}
return false;
}
allow_wrap_or_preserved_newline(force_linewrap) {
force_linewrap = force_linewrap === true;
if (this.opt.wrap_line_length && !force_linewrap) {
const line = this.output_lines[this.output_lines.length - 1];
let proposed_line_length = 0;
// never wrap the first token of a line.
if (line.text.length > 0) {
proposed_line_length = line.text.join('').length + this.token_text.length + (this.output_space_before_token ? 1 : 0);
if (proposed_line_length >= this.opt.wrap_line_length) {
force_linewrap = true;
}
}
}
if (((this.opt.preserve_newlines && this.input_wanted_newline) || force_linewrap) && !this.just_added_newline()) {
this.print_newline(false, true);
// Expressions and array literals already indent their contents.
if (!(this.is_array(this.flags.mode) || this.is_expression(this.flags.mode) || this.flags.mode === MODE.Statement)) {
this.output_wrapped = true;
}
}
}
print_newline(force_newline, preserve_statement_flags) {
this.output_wrapped = false;
this.output_space_before_token = false;
if (!preserve_statement_flags) {
if (this.flags.last_text !== ';' && this.flags.last_text !== ',' && this.flags.last_text !== '=' && this.last_type !== 'TK_OPERATOR') {
while (this.flags.mode === MODE.Statement && !this.flags.if_block && !this.flags.do_block) {
this.restore_mode();
}
}
}
if (this.output_lines.length === 1 && this.just_added_newline()) {
return; // no newline on start of file
}
if (force_newline || !this.just_added_newline()) {
this.flags.multiline_frame = true;
this.output_lines.push(this.create_output_line());
}
}
print_token_line_indentation() {
if (this.just_added_newline()) {
const line = this.output_lines[this.output_lines.length - 1];
if (this.opt.keep_array_indentation && this.is_array(this.flags.mode) && this.input_wanted_newline) {
// prevent removing of this whitespace as redundant
line.text.push('');
for (let i = 0; i < this.whitespace_before_token.length; i += 1) {
line.text.push(this.whitespace_before_token[i]);
}
}
else {
if (this.preindent_string) {
line.text.push(this.preindent_string);
}
this.print_indent_string(this.flags.indentation_level + (this.output_wrapped ? 1 : 0));
}
}
}
print_indent_string(level) {
// Never indent your first output indent at the start of the file
if (this.output_lines.length > 1) {
const line = this.output_lines[this.output_lines.length - 1];
this.flags.line_indent_level = level;
for (let i = 0; i < level; i += 1) {
line.text.push(this.indent_string);
}
}
}
print_token_space_before() {
const line = this.output_lines[this.output_lines.length - 1];
if (this.output_space_before_token && line.text.length) {
const last_output = line.text[line.text.length - 1];
if (last_output !== ' ' && last_output !== this.indent_string) {
// prevent occassional duplicate space
line.text.push(' ');
}
}
}
print_token(printable_token) {
printable_token = printable_token || this.token_text;
this.print_token_line_indentation();
this.output_wrapped = false;
this.print_token_space_before();
this.output_space_before_token = false;
this.output_lines[this.output_lines.length - 1].text.push(printable_token);
}
indent() {
this.flags.indentation_level += 1;
}
deindent() {
if (this.flags.indentation_level > 0 &&
((!this.flags.parent) || this.flags.indentation_level > this.flags.parent.indentation_level))
this.flags.indentation_level -= 1;
}
remove_redundant_indentation(frame) {
// This implementation is effective but has some issues:
// - less than great performance due to array splicing
// - can cause line wrap to happen too soon due to indent removal
// after wrap points are calculated
// These issues are minor compared to ugly indentation.
if (frame.multiline_frame)
return;
// remove one indent from each line inside this section
let index = frame.start_line_index;
let splice_index = 0;
let line;
while (index < this.output_lines.length) {
line = this.output_lines[index];
index++;
// skip empty lines
if (line.text.length === 0) {
continue;
}
// skip the preindent string if present
if (this.preindent_string && line.text[0] === this.preindent_string) {
splice_index = 1;
}
else {
splice_index = 0;
}
// remove one indent, if present
if (line.text[splice_index] === this.indent_string) {
line.text.splice(splice_index, 1);
}
}
}
set_mode(mode) {
if (this.flags) {
this.flag_store.push(this.flags);
this.previous_flags = this.flags;
}
else {
this.previous_flags = this.create_flags(null, mode);
}
this.flags = this.create_flags(this.previous_flags, mode);
}
is_array(mode) {
return mode === MODE.ArrayLiteral;
}
is_expression(mode) {
return this.in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);
}
restore_mode() {
if (this.flag_store.length > 0) {
this.previous_flags = this.flags;
this.flags = this.flag_store.pop();
if (this.previous_flags.mode === MODE.Statement) {
this.remove_redundant_indentation(this.previous_flags);
}
}
}
start_of_object_property() {
return this.flags.mode === MODE.ObjectLiteral && this.flags.last_text === ':' && this.flags.ternary_depth === 0;
}
start_of_statement() {
if ((this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, ['var', 'let', 'const']) && this.token_type === 'TK_WORD') ||
(this.last_type === 'TK_RESERVED' && this.flags.last_text === 'do') ||
(this.last_type === 'TK_RESERVED' && this.flags.last_text === 'return' && !this.input_wanted_newline) ||
(this.last_type === 'TK_RESERVED' && this.flags.last_text === 'else' && !(this.token_type === 'TK_RESERVED' && this.token_text === 'if')) ||
(this.last_type === 'TK_END_EXPR' && (this.previous_flags.mode === MODE.ForInitializer || this.previous_flags.mode === MODE.Conditional))) {
this.set_mode(MODE.Statement);
this.indent();
if (this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, ['var', 'let', 'const']) && this.token_type === 'TK_WORD') {
this.flags.declaration_statement = true;
}
// If starting a new statement with [if, for, while, do], push to a new line.
// if (a) if (b) if(c) d(); else e(); else f();
this.allow_wrap_or_preserved_newline(this.token_type === 'TK_RESERVED' && this.in_array(this.token_text, ['do', 'for', 'if', 'while']));
this.output_wrapped = false;
return true;
}
return false;
}
all_lines_start_with(lines, c) {
for (let i = 0; i < lines.length; i++) {
const line = this.trim(lines[i]);
if (line.charAt(0) !== c) {
return false;
}
}
return true;
}
is_special_word(word) {
return this.in_array(word, ['case', 'return', 'do', 'if', 'throw', 'else']);
}
in_array(what, arr) {
for (let i = 0; i < arr.length; i += 1) {
if (arr[i] === what) {
return true;
}
}
return false;
}
unescape_string(s) {
let esc = false;
let out = '';
let pos = 0;
let s_hex = '';
let escaped = 0;
let c;
while (esc || pos < s.length) {
c = s.charAt(pos);
pos++;
if (esc) {
esc = false;
if (c === 'x') {
// simple hex-escape \x24
s_hex = s.substr(pos, 2);
pos += 2;
}
else if (c === 'u') {
// unicode-escape, \u2134
s_hex = s.substr(pos, 4);
pos += 4;
}
else {
// some common escape, e.g \n
out += '\\' + c;
continue;
}
if (!s_hex.match(/^[0123456789abcdefABCDEF]+$/)) {
// some weird escaping, bail out,
// leaving whole string intact
return s;
}
escaped = parseInt(s_hex, 16);
if (escaped >= 0x00 && escaped < 0x20) {
// leave 0x00...0x1f escaped
if (c === 'x') {
out += '\\x' + s_hex;
}
else {
out += '\\u' + s_hex;
}
continue;
}
else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {
// single-quote, apostrophe, backslash - escape these
out += '\\' + String.fromCharCode(escaped);
}
else if (c === 'x' && escaped > 0x7e && escaped <= 0xff) {
// we bail out on \x7f..\xff,
// leaving whole string escaped,
// as it's probably completely binary
return s;
}
else {
out += String.fromCharCode(escaped);
}
}
else if (c === '\\') {
esc = true;
}
else {
out += c;
}
}
return out;
}
is_next(find) {
let local_pos = this.parser_pos;
let c = this.input.charAt(local_pos);
while (this.in_array(c, this.whitespace) && c !== find) {
local_pos++;
if (local_pos >= this.input_length) {
return false;
}
c = this.input.charAt(local_pos);
}
return c === find;
}
get_next_token() {
let resulting_string;
this.n_newlines = 0;
if (this.parser_pos >= this.input_length) {
return ['', 'TK_EOF'];
}
this.input_wanted_newline = false;
this.whitespace_before_token = [];
let c = this.input.charAt(this.parser_pos);
this.parser_pos += 1;
while (this.in_array(c, this.whitespace)) {
if (c === '\n') {
this.n_newlines += 1;
this.whitespace_before_token = [];
}
else if (this.n_newlines) {
if (c === this.indent_string) {
this.whitespace_before_token.push(this.indent_string);
}
else if (c !== '\r') {
this.whitespace_before_token.push(' ');
}
}
if (this.parser_pos >= this.input_length) {
return ['', 'TK_EOF'];
}
c = this.input.charAt(this.parser_pos);
this.parser_pos += 1;
}
// NOTE: because beautifier doesn't fully parse, it doesn't use acorn.isIdentifierStart.
// It just treats all identifiers and numbers and such the same.
if (this.isIdentifierChar(this.input.charCodeAt(this.parser_pos - 1))) {
if (this.parser_pos < this.input_length) {
while (this.isIdentifierChar(this.input.charCodeAt(this.parser_pos))) {
c += this.input.charAt(this.parser_pos);
this.parser_pos += 1;
if (this.parser_pos === this.input_length) {
break;
}
}
}
// small and surprisingly unugly hack for 1E-10 representation
if (this.parser_pos !== this.input_length && c.match(/^[0-9]+[Ee]$/) && (this.input.charAt(this.parser_pos) === '-' || this.input.charAt(this.parser_pos) === '+')) {
const sign = this.input.charAt(this.parser_pos);
this.parser_pos += 1;
const t = this.get_next_token();
c += sign + t[0];
return [c, 'TK_WORD'];
}
if (!(this.last_type === 'TK_DOT' ||
(this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, ['set', 'get'])))
&& this.in_array(c, this.reserved_words)) {
if (c === 'in') { // hack for 'in' operator
return [c, 'TK_OPERATOR'];
}
return [c, 'TK_RESERVED'];
}
return [c, 'TK_WORD'];
}
if (c === '(' || c === '[') {
return [c, 'TK_START_EXPR'];
}
if (c === ')' || c === ']') {
return [c, 'TK_END_EXPR'];
}
if (c === '{') {
return [c, 'TK_START_BLOCK'];
}
if (c === '}') {
return [c, 'TK_END_BLOCK'];
}
if (c === ';') {
return [c, 'TK_SEMICOLON'];
}
if (c === '/') {
let comment = '';
// peek for comment /* ... */
let inline_comment = true;
if (this.input.charAt(this.parser_pos) === '*') {
this.parser_pos += 1;
if (this.parser_pos < this.input_length) {
while (this.parser_pos < this.input_length && !(this.input.charAt(this.parser_pos) === '*' && this.input.charAt(this.parser_pos + 1) && this.input.charAt(this.parser_pos + 1) === '/')) {
c = this.input.charAt(this.parser_pos);
comment += c;
if (c === "\n" || c === "\r") {
inline_comment = false;
}
this.parser_pos += 1;
if (this.parser_pos >= this.input_length) {
break;
}
}
}
this.parser_pos += 2;
if (inline_comment && this.n_newlines === 0) {
return ['/*' + comment + '*/', 'TK_INLINE_COMMENT'];
}
else {
return ['/*' + comment + '*/', 'TK_BLOCK_COMMENT'];
}
}
// peek for comment // ...
if (this.input.charAt(this.parser_pos) === '/') {
comment = c;
while (this.input.charAt(this.parser_pos) !== '\r' && this.input.charAt(this.parser_pos) !== '\n') {
comment += this.input.charAt(this.parser_pos);
this.parser_pos += 1;
if (this.parser_pos >= this.input_length) {
break;
}
}
return [comment, 'TK_COMMENT'];
}
}
if (c === '`' || c === "'" || c === '"' || // string
((c === '/') || // regexp
(this.opt.e4x && c === "<" && this.input.slice(this.parser_pos - 1).match(/^<([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])\s*([-a-zA-Z:0-9_.]+=('[^']*'|"[^"]*"|{[^{}]*})\s*)*\/?\s*>/)) // xml
) && ( // regex and xml can only appear in specific locations during parsing
(this.last_type === 'TK_RESERVED' && this.is_special_word(this.flags.last_text)) ||
(this.last_type === 'TK_END_EXPR' && this.in_array(this.previous_flags.mode, [MODE.Conditional, MODE.ForInitializer])) ||
(this.in_array(this.last_type, ['TK_COMMENT', 'TK_START_EXPR', 'TK_START_BLOCK',
'TK_END_BLOCK', 'TK_OPERATOR', 'TK_EQUALS', 'TK_EOF', 'TK_SEMICOLON', 'TK_COMMA'
])))) {
const sep = c;
let esc = false, has_char_escapes = false;
resulting_string = c;
if (this.parser_pos < this.input_length) {
if (sep === '/') {
//
// handle regexp
//
let in_char_class = false;
while (esc || in_char_class || this.input.charAt(this.parser_pos) !== sep) {
resulting_string += this.input.charAt(this.parser_pos);
if (!esc) {
esc = this.input.charAt(this.parser_pos) === '\\';
if (this.input.charAt(this.parser_pos) === '[') {
in_char_class = true;
}
else if (this.input.charAt(this.parser_pos) === ']') {
in_char_class = false;
}
}
else {
esc = false;
}
this.parser_pos += 1;
if (this.parser_pos >= this.input_length) {
// incomplete string/rexp when end-of-file reached.
// bail out with what had been received so far.
return [resulting_string, 'TK_STRING'];
}
}
}
else if (this.opt.e4x && sep === '<') {
//
// handle e4x xml literals
//
const xmlRegExp = /<(\/?)([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])\s*([-a-zA-Z:0-9_.]+=('[^']*'|"[^"]*"|{[^{}]*})\s*)*(\/?)\s*>/g;
const xmlStr = this.input.slice(this.parser_pos - 1);
let match = xmlRegExp.exec(xmlStr);
if (match && match.index === 0) {
const rootTag = match[2];
let depth = 0;
while (match) {
const isEndTag = !!match[1];
const tagName = match[2];
const isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA[");
if (tagName === rootTag && !isSingletonTag) {
if (isEndTag) {
--depth;
}
else {
++depth;
}
}
if (depth <= 0) {
break;
}
match = xmlRegExp.exec(xmlStr);
}
const xmlLength = match ? match.index + match[0].length : xmlStr.length;
this.parser_pos += xmlLength - 1;
return [xmlStr.slice(0, xmlLength), "TK_STRING"];
}
}
else {
//
// handle string
//
while (esc || this.input.charAt(this.parser_pos) !== sep) {
resulting_string += this.input.charAt(this.parser_pos);
if (esc) {
if (this.input.charAt(this.parser_pos) === 'x' || this.input.charAt(this.parser_pos) === 'u') {
has_char_escapes = true;
}
esc = false;
}
else {
esc = this.input.charAt(this.parser_pos) === '\\';
}
this.parser_pos += 1;
if (this.parser_pos >= this.input_length) {
// incomplete string/rexp when end-of-file reached.
// bail out with what had been received so far.
return [resulting_string, 'TK_STRING'];
}
}
}
}
this.parser_pos += 1;
resulting_string += sep;
if (has_char_escapes && this.opt.unescape_strings) {
resulting_string = this.unescape_string(resulting_string);
}
if (sep === '/') {
// regexps may have modifiers /regexp/MOD , so fetch those, too
while (this.parser_pos < this.input_length && this.in_array(this.input.charAt(this.parser_pos), this.wordchar)) {
resulting_string += this.input.charAt(this.parser_pos);
this.parser_pos += 1;
}
}
return [resulting_string, 'TK_STRING'];
}
if (c === '#') {
if (this.output_lines.length === 1 && this.output_lines[0].text.length === 0 &&
this.input.charAt(this.parser_pos) === '!') {
resulting_string = c;
while (this.parser_pos < this.input_length && c !== '\n') {
c = this.input.charAt(this.parser_pos);
resulting_string += c;
this.parser_pos += 1;
}
return [this.trim(resulting_string) + '\n', 'TK_UNKNOWN'];
}
// Spidermonkey-specific sharp variables for circular references
// https://developer.mozilla.org/En/Sharp_variables_in_JavaScript
// http://mxr.mozilla.org/mozilla-central/source/js/src/jsscan.cpp around line 1935
let sharp = '#';
if (this.parser_pos < this.input_length && this.in_array(this.input.charAt(this.parser_pos), this.digits)) {
do {
c = this.input.charAt(this.parser_pos);
sharp += c;
this.parser_pos += 1;
} while (this.parser_pos < this.input_length && c !== '#' && c !== '=');
if (c === '#') {
//
}
else if (this.input.charAt(this.parser_pos) === '[' && this.input.charAt(this.parser_pos + 1) === ']') {
sharp += '[]';
this.parser_pos += 2;
}
else if (this.input.charAt(this.parser_pos) === '{' && this.input.charAt(this.parser_pos + 1) === '}') {
sharp += '{}';
this.parser_pos += 2;
}
return [sharp, 'TK_WORD'];
}
}
if (c === '<' && this.input.substring(this.parser_pos - 1, this.parser_pos + 3) === '<!--') {
this.parser_pos += 3;
c = '<!--';
while (this.input.charAt(this.parser_pos) !== '\n' && this.parser_pos < this.input_length) {
c += this.input.charAt(this.parser_pos);
this.parser_pos++;
}
this.flags.in_html_comment = true;
return [c, 'TK_COMMENT'];
}
if (c === '-' && this.flags.in_html_comment && this.input.substring(this.parser_pos - 1, this.parser_pos + 2) === '-->') {
this.flags.in_html_comment = false;
this.parser_pos += 2;
return ['-->', 'TK_COMMENT'];
}
if (c === '.') {
return [c, 'TK_DOT'];
}
if (this.in_array(c, this.punct)) {
while (this.parser_pos < this.input_length && this.in_array(c + this.input.charAt(this.parser_pos), this.punct)) {
c += this.input.charAt(this.parser_pos);
this.parser_pos += 1;
if (this.parser_pos >= this.input_length) {
break;
}
}
if (c === ',') {
return [c, 'TK_COMMA'];
}
else if (c === '=') {
return [c, 'TK_EQUALS'];
}
else {
return [c, 'TK_OPERATOR'];
}
}
return [c, 'TK_UNKNOWN'];
}
handle_start_expr() {
if (this.start_of_statement()) {
// The conditional starts the statement if appropriate.
}
let next_mode = MODE.Expression; // eslint-disable-line @typescript-eslint/no-explicit-any
if (this.token_text === '[') {
if (this.last_type === 'TK_WORD' || this.flags.last_text === ')') {
// this is array index specifier, break immediately
// a[x], fn()[x]
if (this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, this.line_starters)) {
this.output_space_before_token = true;
}
this.set_mode(next_mode);
this.print_token(null);
this.indent();
if (this.opt.space_in_paren) {
this.output_space_before_token = true;
}
return;
}
next_mode = MODE.ArrayLiteral;
if (this.is_array(this.flags.mode)) {
if (this.flags.last_text === '[' ||
(this.flags.last_text === ',' && (this.last_last_text === ']' || this.last_last_text === '}'))) {
// ], [ goes to new line
// }, [ goes to new line
if (!this.opt.keep_array_indentation) {
this.print_newline(false, true);
}
}
}
}
else {
if (this.last_type === 'TK_RESERVED' && this.flags.last_text === 'for') {
next_mode = MODE.ForInitializer;
}
else if (this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, ['if', 'while'])) {
next_mode = MODE.Conditional;
}
else {
// next_mode = MODE.Expression;
}
}
if (this.flags.last_text === ';' || this.last_type === 'TK_START_BLOCK') {
this.print_newline(false, true);
}
else if (this.last_type === 'TK_END_EXPR' || this.last_type === 'TK_START_EXPR' || this.last_type === 'TK_END_BLOCK' || this.flags.last_text === '.') {
// TODO: Consider whether forcing this is required. Review failing tests when removed.
this.allow_wrap_or_preserved_newline(this.input_wanted_newline);
this.output_wrapped = false;
// do nothing on (( and )( and ][ and ]( and .(
}
else if (!(this.last_type === 'TK_RESERVED' && this.token_text === '(') && this.last_type !== 'TK_WORD' && this.last_type !== 'TK_OPERATOR') {
this.output_space_before_token = true;
}
else if (this.last_type === 'TK_RESERVED' && (this.flags.last_word === 'function' || this.flags.last_word === 'typeof')) {
// function() vs function ()
if (this.opt.jslint_happy) {
this.output_space_before_token = true;
}
}
else if (this.last_type === 'TK_RESERVED' && (this.in_array(this.flags.last_text, this.line_starters) || this.flags.last_text === 'catch')) {
if (this.opt.space_before_conditional) {
this.output_space_before_token = true;
}
}
// Support of this kind of newline preservation.
// a = (b &&
// (c || d));
if (this.token_text === '(') {
if (this.last_type === 'TK_EQUALS' || this.last_type === 'TK_OPERATOR') {
if (!this.start_of_object_property()) {
this.allow_wrap_or_preserved_newline(undefined);
}
}
}
this.set_mode(next_mode);
this.print_token(null);
if (this.opt.space_in_paren) {
this.output_space_before_token = true;
}
// In all cases, if we newline while inside an expression it should be indented.
this.indent();
}
handle_end_expr() {
// statements inside expressions are not valid syntax, but...
// statements must all be closed when their container closes
while (this.flags.mode === MODE.Statement) {
this.restore_mode();
}
if (this.flags.multiline_frame) {
this.allow_wrap_or_preserved_newline(this.token_text === ']' && this.is_array(this.flags.mode) && !this.opt.keep_array_indentation);
this.output_wrapped = false;
}
if (this.opt.space_in_paren) {
if (this.last_type === 'TK_START_EXPR' && !this.opt.space_in_empty_paren) {
// () [] no inner space in empty parens like these, ever, ref #320
this.trim_output(undefined);
this.output_space_before_token = false;
}
else {
this.output_space_before_token = true;
}
}
if (this.token_text === ']' && this.opt.keep_array_indentation) {
this.print_token(null);
this.restore_mode();
}
else {
this.restore_mode();
this.print_token(null);
}
this.remove_redundant_indentation(this.previous_flags);
// do {} while () // no statement required after
if (this.flags.do_while && this.previous_flags.mode === MODE.Conditional) {
this.previous_flags.mode = MODE.Expression;
this.flags.do_block = false;
this.flags.do_while = false;
}
}
handle_start_block() {
this.set_mode(MODE.BlockStatement);
const empty_braces = this.is_next('}');
const empty_anonymous_function = empty_braces && this.flags.last_word === 'function' && this.last_type === 'TK_END_EXPR';
if (this.opt.brace_style === "expand") {
if (this.last_type !== 'TK_OPERATOR' &&
(empty_anonymous_function ||
this.last_type === 'TK_EQUALS' ||
(this.last_type === 'TK_RESERVED' && this.is_special_word(this.flags.last_text) && this.flags.last_text !== 'else'))) {
this.output_space_before_token = true;
}
else {
this.print_newline(false, true);
}
}
else { // collapse
if (this.last_type !== 'TK_OPERATOR' && this.last_type !== 'TK_START_EXPR') {
if (this.last_type === 'TK_START_BLOCK') {
this.print_newline(false, true);
}
else {
this.output_space_before_token = true;
}
}
else {
// if TK_OPERATOR or TK_START_EXPR
if (this.is_array(this.previous_flags.mode) && this.flags.last_text === ',') {
if (this.last_last_text === '}') {
// }, { in array context
this.output_space_before_token = true;
}
else {
this.print_newline(false, true); // [a, b, c, {
}
}
}
}
this.print_token(null);
this.indent();
}
handle_end_block() {
// statements must all be closed when their container closes
while (this.flags.mode === MODE.Statement) {
this.restore_mode();
}
const empty_braces = this.last_type === 'TK_START_BLOCK';
if (this.opt.brace_style === "expand") {
if (!empty_braces) {
this.print_newline(false, true);
}
}
else {
// skip {}
if (!empty_braces) {
if (this.is_array(this.flags.mode) && this.opt.keep_array_indentation) {
// we REALLY need a newline here, but newliner would skip that
this.opt.keep_array_indentation = false;
this.print_newline(false, true);
this.opt.keep_array_indentation = true;
}
else {
this.print_newline(false, true);
}
}
}
this.restore_mode();
this.print_token(null);
}
handle_word() {
if (this.start_of_statement()) {
// The conditional starts the statement if appropriate.
}
else if (this.input_wanted_newline && !this.is_expression(this.flags.mode) &&
(this.last_type !== 'TK_OPERATOR' || (this.flags.last_text === '--' || this.flags.last_text === '++')) &&
this.last_type !== 'TK_EQUALS' &&
(this.opt.preserve_newlines || !(this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, ['var', 'let', 'const', 'set', 'get'])))) {
this.print_newline(false, true);
}
if (this.flags.do_block && !this.flags.do_while) {
if (this.token_type === 'TK_RESERVED' && this.token_text === 'while') {
// do {} ## while ()
this.output_space_before_token = true;
this.print_token(null);
this.output_space_before_token = true;
this.flags.do_while = true;
return;
}
else {
// do {} should always have while as the next word.
// if we don't see the expected while, recover
this.print_newline(false, true);
this.flags.do_block = false;
}
}
// if may be followed by else, or not
// Bare/inline ifs are tricky
// Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e();
if (this.flags.if_block) {
if (!this.flags.else_block && (this.token_type === 'TK_RESERVED' && this.token_text === 'else')) {
this.flags.else_block = true;
}
else {
while (this.flags.mode === MODE.Statement) {
this.restore_mode();
}
this.flags.if_block = false;
this.flags.else_block = false;
}
}
if (this.token_type === 'TK_RESERVED' && (this.token_text === 'case' || (this.token_text === 'default' && this.flags.in_case_statement))) {
this.print_newline(false, true);
if (this.flags.case_body || this.opt.jslint_happy) {
// switch cases following one another
this.deindent();
this.flags.case_body = false;
}
this.print_token(null);
this.flags.in_case = true;
this.flags.in_case_statement = true;
return;
}
if (this.token_type === 'TK_RESERVED' && this.token_text === 'function') {
if (this.in_array(this.flags.last_text, ['}', ';']) || (this.just_added_newline() && !this.in_array(this.flags.last_text, ['{', ':', '=', ',']))) {
// make sure there is a nice clean space of at least one blank line
// before a new function definition
if (!this.just_added_blankline() && !this.flags.had_comment) {
this.print_newline(false, true);
this.print_newline(true, true);
}
}
if (this.last_type === 'TK_RESERVED' || this.last_type === 'TK_WORD') {
if (this.last_type === 'TK_RESERVED' && this.in_array(this.flags.last_text, [