Package Exports

intl-messageformat-parser

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Readme

intl-messageformat-parser

Parses ICU message strings to an AST that can be used to format the messages for a person's locale.

Given a message like this:

var photosMsg = 'On {takenDate, date, short} {name} took {numPhotos, plural,' +
    '0= {no photos :(}' +
    '1= {one photo.}' +
    'other {# photos!}}';

parser.parse(msg);

This parser will produce this AST:

{
    "type": "messageFormatPattern",
    "elements": [
        {
            "type": "messageTextElement",
            "value": "On "
        },
        {
            "type": "argumentElement",
            "id": "takenDate",
            "format": {
                "type": "dateFormat",
                "style": "short"
            }
        },
        {
            "type": "messageTextElement",
            "value": " "
        },
        {
            "type": "argumentElement",
            "id": "name",
            "format": null
        },
        {
            "type": "messageTextElement",
            "value": " took "
        },
        {
            "type": "argumentElement",
            "id": "numPhotos",
            "format": {
                "type": "pluralFormat",
                "offset": 0,
                "options": [
                    {
                        "type": "optionalFormatPattern",
                        "selector": "0=",
                        "value": {
                            "type": "messageFormatPattern",
                            "elements": [
                                {
                                    "type": "messageTextElement",
                                    "value": "no photos :("
                                }
                            ]
                        }
                    },
                    {
                        "type": "optionalFormatPattern",
                        "selector": "1=",
                        "value": {
                            "type": "messageFormatPattern",
                            "elements": [
                                {
                                    "type": "messageTextElement",
                                    "value": "one photo."
                                }
                            ]
                        }
                    },
                    {
                        "type": "optionalFormatPattern",
                        "selector": "other",
                        "value": {
                            "type": "messageFormatPattern",
                            "elements": [
                                {
                                    "type": "messageTextElement",
                                    "value": "# photos!"
                                }
                            ]
                        }
                    }
                ]
            }
        }
    ]
}

License

This software is free to use under the Yahoo! Inc. BSD license. See the LICENSE file for license text and copyright information.