nano-json
A well formatted JS objects stringifyer
Last updated 4 years ago by holixus .
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nano-json

Well formatted(customizable) JSON like generator. Not compatible with pure JSON (smart strings/ids qouting).

Its very usefull for easy readble JS-objects dumps because you can define formats for sub-elements of objects deeply pretty.

API

id2str(id)

Returns quoted id value if it's keyword or not identifier.

id2str('blah'); // blah
id2str('blah-blah'); // 'blah-blah'
id2str('class'); // 'class'

str2str(str)

Returns quoted string. Automaticaly detects quotes symbols.

str2str('some string'); // 'some string'
str2str('some "" string with "double" quotes'); // 'some "" string with "double" quotes'
str2str("some '' string with 'single' quotes"); // "some '' string with 'single' quotes"

qstr(str)

Returns single qouted string.

qstr('some string'); // 'some string'
qstr('some "" string with "double" quotes'); // 'some "" string with "double" quotes'
qstr("some '' string with 'single' quotes"); // 'some \'\' string with \'single\' quotes'

dqstr(str)

Returns double quoted string.

dqstr('some string'); // "some string"
dqstr('some "" string with "double" quotes'); // "some \"\" string with \"double\" quotes"
dqstr("some '' string with 'single' quotes"); // "some '' string with 'single' quotes"

js2str(obj, default_radix, unarray)

  • obj Object;
  • default_radix Number - radix for number values (10 if undefined);
  • unarray Boolean - stringify root array as list (without square brackets).

Returns stringified object.

js2str([ 10, 20, 30 ], 10, 1); // 10,20,30
js2str([ 10, 20, 30 ], 10, 0); // [10,20,30]
js2str([ 10, 20, 30 ], 16, 0); // [0xa,0x14,0x28]
js2str({ a: 1 }); // {a:1}

render(obj[, style[, indent[, tab]]])

  • obj Object
  • style Object or String
    • String - list format string: '<before-list>#<between-items>#<after-list>#<empty-list>'
    • Object - { '':'<lists-format>', ['":':1], ['<>:':<ids-width>][, <ID>:<sub-style>]* }
      • '':String - current object list format string: '<before-list>#<between-items>#<after-list>#<empty-list>'
      • '":':Boolean - force qouting of object keys flag
      • '<>:':Number - minimal width of object keys (will be padded by spaces)
      • '#':Boolean - enable array items index number comments
      • ID:Object - style for sub-object with identifier ID
      • '*':Object - style for array sub-items
  • indent String - indent string ('' by default)
  • tab String - one indentation level spaces string

style samples

' #, # # '
var style = ' #, # # ';
render([ 1, 2, 3 ], style); // '[ 1, 2, 3 ]'
render([ 1 ], style); // '[ 1 ]'
render([ ], style); // '[ ]'
render({ a:1, b:2, c:3 }, style); // '{ a:1, b:2, c:3 }'
render({ a:1 }, style); // '{ a:1 }'
render({ }, style); // '{ }'
'#,##'
var style = '#,##';
render([ 1, 2, 3 ], style); // '[1,2,3]'
render([ 1 ], style); // '[1]'
render([ ], style); // '[]'
render({ a:1, b:2, c:3 }, style); // '{a:1,b:2,c:3}'
render({ a:1 }, style); // '{a:1}'
render({ }, style); // '{}'
'\n+#,\n+#\n=# '

Where the '+' symbol means next level of indentation.

var style = '\n+#,\n+#\n=# ';
render([ 1, 2, 3 ], style, '', ' '); // '[\n 1,\n 2,\n 3\n]'
render([ 1 ], style); // '[\n 1\n]'
render([ ], style); // '[ ]'
render({ a:1, b:2, c:3 }, style); // '{\n a:1,\n b:2,\n c:3\n}'
render({ a:1 }, style); // '{\n a:1\n}'
render({ }, style); // '{ }'

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