diff options
Diffstat (limited to 'node_modules/json5/lib/stringify.js')
| -rw-r--r-- | node_modules/json5/lib/stringify.js | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/node_modules/json5/lib/stringify.js b/node_modules/json5/lib/stringify.js deleted file mode 100644 index 7cb3b0e1..00000000 --- a/node_modules/json5/lib/stringify.js +++ /dev/null @@ -1,261 +0,0 @@ -const util = require('./util') - -module.exports = function stringify (value, replacer, space) { - const stack = [] - let indent = '' - let propertyList - let replacerFunc - let gap = '' - let quote - - if ( - replacer != null && - typeof replacer === 'object' && - !Array.isArray(replacer) - ) { - space = replacer.space - quote = replacer.quote - replacer = replacer.replacer - } - - if (typeof replacer === 'function') { - replacerFunc = replacer - } else if (Array.isArray(replacer)) { - propertyList = [] - for (const v of replacer) { - let item - - if (typeof v === 'string') { - item = v - } else if ( - typeof v === 'number' || - v instanceof String || - v instanceof Number - ) { - item = String(v) - } - - if (item !== undefined && propertyList.indexOf(item) < 0) { - propertyList.push(item) - } - } - } - - if (space instanceof Number) { - space = Number(space) - } else if (space instanceof String) { - space = String(space) - } - - if (typeof space === 'number') { - if (space > 0) { - space = Math.min(10, Math.floor(space)) - gap = ' '.substr(0, space) - } - } else if (typeof space === 'string') { - gap = space.substr(0, 10) - } - - return serializeProperty('', {'': value}) - - function serializeProperty (key, holder) { - let value = holder[key] - if (value != null) { - if (typeof value.toJSON5 === 'function') { - value = value.toJSON5(key) - } else if (typeof value.toJSON === 'function') { - value = value.toJSON(key) - } - } - - if (replacerFunc) { - value = replacerFunc.call(holder, key, value) - } - - if (value instanceof Number) { - value = Number(value) - } else if (value instanceof String) { - value = String(value) - } else if (value instanceof Boolean) { - value = value.valueOf() - } - - switch (value) { - case null: return 'null' - case true: return 'true' - case false: return 'false' - } - - if (typeof value === 'string') { - return quoteString(value, false) - } - - if (typeof value === 'number') { - return String(value) - } - - if (typeof value === 'object') { - return Array.isArray(value) ? serializeArray(value) : serializeObject(value) - } - - return undefined - } - - function quoteString (value) { - const quotes = { - "'": 0.1, - '"': 0.2, - } - - const replacements = { - "'": "\\'", - '"': '\\"', - '\\': '\\\\', - '\b': '\\b', - '\f': '\\f', - '\n': '\\n', - '\r': '\\r', - '\t': '\\t', - '\v': '\\v', - '\0': '\\0', - '\u2028': '\\u2028', - '\u2029': '\\u2029', - } - - let product = '' - - for (let i = 0; i < value.length; i++) { - const c = value[i] - switch (c) { - case "'": - case '"': - quotes[c]++ - product += c - continue - - case '\0': - if (util.isDigit(value[i + 1])) { - product += '\\x00' - continue - } - } - - if (replacements[c]) { - product += replacements[c] - continue - } - - if (c < ' ') { - let hexString = c.charCodeAt(0).toString(16) - product += '\\x' + ('00' + hexString).substring(hexString.length) - continue - } - - product += c - } - - const quoteChar = quote || Object.keys(quotes).reduce((a, b) => (quotes[a] < quotes[b]) ? a : b) - - product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar]) - - return quoteChar + product + quoteChar - } - - function serializeObject (value) { - if (stack.indexOf(value) >= 0) { - throw TypeError('Converting circular structure to JSON5') - } - - stack.push(value) - - let stepback = indent - indent = indent + gap - - let keys = propertyList || Object.keys(value) - let partial = [] - for (const key of keys) { - const propertyString = serializeProperty(key, value) - if (propertyString !== undefined) { - let member = serializeKey(key) + ':' - if (gap !== '') { - member += ' ' - } - member += propertyString - partial.push(member) - } - } - - let final - if (partial.length === 0) { - final = '{}' - } else { - let properties - if (gap === '') { - properties = partial.join(',') - final = '{' + properties + '}' - } else { - let separator = ',\n' + indent - properties = partial.join(separator) - final = '{\n' + indent + properties + ',\n' + stepback + '}' - } - } - - stack.pop() - indent = stepback - return final - } - - function serializeKey (key) { - if (key.length === 0) { - return quoteString(key, true) - } - - const firstChar = String.fromCodePoint(key.codePointAt(0)) - if (!util.isIdStartChar(firstChar)) { - return quoteString(key, true) - } - - for (let i = firstChar.length; i < key.length; i++) { - if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) { - return quoteString(key, true) - } - } - - return key - } - - function serializeArray (value) { - if (stack.indexOf(value) >= 0) { - throw TypeError('Converting circular structure to JSON5') - } - - stack.push(value) - - let stepback = indent - indent = indent + gap - - let partial = [] - for (let i = 0; i < value.length; i++) { - const propertyString = serializeProperty(String(i), value) - partial.push((propertyString !== undefined) ? propertyString : 'null') - } - - let final - if (partial.length === 0) { - final = '[]' - } else { - if (gap === '') { - let properties = partial.join(',') - final = '[' + properties + ']' - } else { - let separator = ',\n' + indent - let properties = partial.join(separator) - final = '[\n' + indent + properties + ',\n' + stepback + ']' - } - } - - stack.pop() - indent = stepback - return final - } -} |