Swap-Aggregator-Subgraph/node_modules/yaml/browser/dist/stringify.js
Richa-iitr d211083153 Revert "Revert "added handler""
This reverts commit c36ee8c5ca.
2022-07-03 07:30:05 +05:30

332 lines
9.8 KiB
JavaScript

import { addCommentBefore } from './addComment';
import { Type } from './constants';
import { foldFlowLines, FOLD_BLOCK, FOLD_FLOW, FOLD_QUOTED } from './foldFlowLines';
import { strOptions } from './tags/options';
var getFoldOptions = function getFoldOptions(_ref) {
var indentAtStart = _ref.indentAtStart;
return indentAtStart ? Object.assign({
indentAtStart: indentAtStart
}, strOptions.fold) : strOptions.fold;
};
export function stringifyNumber(_ref2) {
var format = _ref2.format,
minFractionDigits = _ref2.minFractionDigits,
tag = _ref2.tag,
value = _ref2.value;
if (typeof value === 'bigint') return String(value);
if (!isFinite(value)) return isNaN(value) ? '.nan' : value < 0 ? '-.inf' : '.inf';
var n = JSON.stringify(value);
if (!format && minFractionDigits && (!tag || tag === 'tag:yaml.org,2002:float') && /^\d/.test(n)) {
var i = n.indexOf('.');
if (i < 0) {
i = n.length;
n += '.';
}
var d = minFractionDigits - (n.length - i - 1);
while (d-- > 0) {
n += '0';
}
}
return n;
}
function lineLengthOverLimit(str, limit) {
var strLen = str.length;
if (strLen <= limit) return false;
for (var i = 0, start = 0; i < strLen; ++i) {
if (str[i] === '\n') {
if (i - start > limit) return true;
start = i + 1;
if (strLen - start <= limit) return false;
}
}
return true;
}
function doubleQuotedString(value, ctx) {
var implicitKey = ctx.implicitKey,
indent = ctx.indent;
var _strOptions$doubleQuo = strOptions.doubleQuoted,
jsonEncoding = _strOptions$doubleQuo.jsonEncoding,
minMultiLineLength = _strOptions$doubleQuo.minMultiLineLength;
var json = JSON.stringify(value);
if (jsonEncoding) return json;
var str = '';
var start = 0;
for (var i = 0, ch = json[i]; ch; ch = json[++i]) {
if (ch === ' ' && json[i + 1] === '\\' && json[i + 2] === 'n') {
// space before newline needs to be escaped to not be folded
str += json.slice(start, i) + '\\ ';
i += 1;
start = i;
ch = '\\';
}
if (ch === '\\') switch (json[i + 1]) {
case 'u':
{
str += json.slice(start, i);
var code = json.substr(i + 2, 4);
switch (code) {
case '0000':
str += '\\0';
break;
case '0007':
str += '\\a';
break;
case '000b':
str += '\\v';
break;
case '001b':
str += '\\e';
break;
case '0085':
str += '\\N';
break;
case '00a0':
str += '\\_';
break;
case '2028':
str += '\\L';
break;
case '2029':
str += '\\P';
break;
default:
if (code.substr(0, 2) === '00') str += '\\x' + code.substr(2);else str += json.substr(i, 6);
}
i += 5;
start = i + 1;
}
break;
case 'n':
if (implicitKey || json[i + 2] === '"' || json.length < minMultiLineLength) {
i += 1;
} else {
// folding will eat first newline
str += json.slice(start, i) + '\n\n';
while (json[i + 2] === '\\' && json[i + 3] === 'n' && json[i + 4] !== '"') {
str += '\n';
i += 2;
}
str += indent; // space after newline needs to be escaped to not be folded
if (json[i + 2] === ' ') str += '\\';
i += 1;
start = i + 1;
}
break;
default:
i += 1;
}
}
str = start ? str + json.slice(start) : json;
return implicitKey ? str : foldFlowLines(str, indent, FOLD_QUOTED, getFoldOptions(ctx));
}
function singleQuotedString(value, ctx) {
var indent = ctx.indent,
implicitKey = ctx.implicitKey;
if (implicitKey) {
if (/\n/.test(value)) return doubleQuotedString(value, ctx);
} else {
// single quoted string can't have leading or trailing whitespace around newline
if (/[ \t]\n|\n[ \t]/.test(value)) return doubleQuotedString(value, ctx);
}
var res = "'" + value.replace(/'/g, "''").replace(/\n+/g, "$&\n".concat(indent)) + "'";
return implicitKey ? res : foldFlowLines(res, indent, FOLD_FLOW, getFoldOptions(ctx));
}
function blockString(_ref3, ctx, onComment, onChompKeep) {
var comment = _ref3.comment,
type = _ref3.type,
value = _ref3.value;
// 1. Block can't end in whitespace unless the last line is non-empty.
// 2. Strings consisting of only whitespace are best rendered explicitly.
if (/\n[\t ]+$/.test(value) || /^\s*$/.test(value)) {
return doubleQuotedString(value, ctx);
}
var indent = ctx.indent || (ctx.forceBlockIndent ? ' ' : '');
var indentSize = indent ? '2' : '1'; // root is at -1
var literal = type === Type.BLOCK_FOLDED ? false : type === Type.BLOCK_LITERAL ? true : !lineLengthOverLimit(value, strOptions.fold.lineWidth - indent.length);
var header = literal ? '|' : '>';
if (!value) return header + '\n';
var wsStart = '';
var wsEnd = '';
value = value.replace(/[\n\t ]*$/, function (ws) {
var n = ws.indexOf('\n');
if (n === -1) {
header += '-'; // strip
} else if (value === ws || n !== ws.length - 1) {
header += '+'; // keep
if (onChompKeep) onChompKeep();
}
wsEnd = ws.replace(/\n$/, '');
return '';
}).replace(/^[\n ]*/, function (ws) {
if (ws.indexOf(' ') !== -1) header += indentSize;
var m = ws.match(/ +$/);
if (m) {
wsStart = ws.slice(0, -m[0].length);
return m[0];
} else {
wsStart = ws;
return '';
}
});
if (wsEnd) wsEnd = wsEnd.replace(/\n+(?!\n|$)/g, "$&".concat(indent));
if (wsStart) wsStart = wsStart.replace(/\n+/g, "$&".concat(indent));
if (comment) {
header += ' #' + comment.replace(/ ?[\r\n]+/g, ' ');
if (onComment) onComment();
}
if (!value) return "".concat(header).concat(indentSize, "\n").concat(indent).concat(wsEnd);
if (literal) {
value = value.replace(/\n+/g, "$&".concat(indent));
return "".concat(header, "\n").concat(indent).concat(wsStart).concat(value).concat(wsEnd);
}
value = value.replace(/\n+/g, '\n$&').replace(/(?:^|\n)([\t ].*)(?:([\n\t ]*)\n(?![\n\t ]))?/g, '$1$2') // more-indented lines aren't folded
// ^ ind.line ^ empty ^ capture next empty lines only at end of indent
.replace(/\n+/g, "$&".concat(indent));
var body = foldFlowLines("".concat(wsStart).concat(value).concat(wsEnd), indent, FOLD_BLOCK, strOptions.fold);
return "".concat(header, "\n").concat(indent).concat(body);
}
function plainString(item, ctx, onComment, onChompKeep) {
var comment = item.comment,
type = item.type,
value = item.value;
var actualString = ctx.actualString,
implicitKey = ctx.implicitKey,
indent = ctx.indent,
inFlow = ctx.inFlow,
tags = ctx.tags;
if (implicitKey && /[\n[\]{},]/.test(value) || inFlow && /[[\]{},]/.test(value)) {
return doubleQuotedString(value, ctx);
}
if (!value || /^[\n\t ,[\]{}#&*!|>'"%@`]|^[?-]$|^[?-][ \t]|[\n:][ \t]|[ \t]\n|[\n\t ]#|[\n\t :]$/.test(value)) {
// not allowed:
// - empty string, '-' or '?'
// - start with an indicator character (except [?:-]) or /[?-] /
// - '\n ', ': ' or ' \n' anywhere
// - '#' not preceded by a non-space char
// - end with ' ' or ':'
return implicitKey || inFlow || value.indexOf('\n') === -1 ? value.indexOf('"') !== -1 && value.indexOf("'") === -1 ? singleQuotedString(value, ctx) : doubleQuotedString(value, ctx) : blockString(item, ctx, onComment, onChompKeep);
}
if (!implicitKey && !inFlow && type !== Type.PLAIN && value.indexOf('\n') !== -1) {
// Where allowed & type not set explicitly, prefer block style for multiline strings
return blockString(item, ctx, onComment, onChompKeep);
}
var str = value.replace(/\n+/g, "$&\n".concat(indent)); // Verify that output will be parsed as a string, as e.g. plain numbers and
// booleans get parsed with those types in v1.2 (e.g. '42', 'true' & '0.9e-3'),
// and others in v1.1.
if (actualString && typeof tags.resolveScalar(str).value !== 'string') {
return doubleQuotedString(value, ctx);
}
var body = implicitKey ? str : foldFlowLines(str, indent, FOLD_FLOW, getFoldOptions(ctx));
if (comment && !inFlow && (body.indexOf('\n') !== -1 || comment.indexOf('\n') !== -1)) {
if (onComment) onComment();
return addCommentBefore(body, indent, comment);
}
return body;
}
export function stringifyString(item, ctx, onComment, onChompKeep) {
var defaultType = strOptions.defaultType;
var implicitKey = ctx.implicitKey,
inFlow = ctx.inFlow;
var _item = item,
type = _item.type,
value = _item.value;
if (typeof value !== 'string') {
value = String(value);
item = Object.assign({}, item, {
value: value
});
}
var _stringify = function _stringify(_type) {
switch (_type) {
case Type.BLOCK_FOLDED:
case Type.BLOCK_LITERAL:
return blockString(item, ctx, onComment, onChompKeep);
case Type.QUOTE_DOUBLE:
return doubleQuotedString(value, ctx);
case Type.QUOTE_SINGLE:
return singleQuotedString(value, ctx);
case Type.PLAIN:
return plainString(item, ctx, onComment, onChompKeep);
default:
return null;
}
};
if (type !== Type.QUOTE_DOUBLE && /[\x00-\x08\x0b-\x1f\x7f-\x9f]/.test(value)) {
// force double quotes on control characters
type = Type.QUOTE_DOUBLE;
} else if ((implicitKey || inFlow) && (type === Type.BLOCK_FOLDED || type === Type.BLOCK_LITERAL)) {
// should not happen; blocks are not valid inside flow containers
type = Type.QUOTE_DOUBLE;
}
var res = _stringify(type);
if (res === null) {
res = _stringify(defaultType);
if (res === null) throw new Error("Unsupported default string type ".concat(defaultType));
}
return res;
}