eyeglass/lib/util/SassImplementation.js

Sass modules for npm.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const assertions_1 = require("./assertions");
function isSassValue(sass, value) {
    if (value && typeof value === "object") {
        return isSassNumber(sass, value)
            || isSassString(sass, value)
            || isSassColor(sass, value)
            || isSassBoolean(sass, value)
            || isSassList(sass, value)
            || isSassMap(sass, value)
            || isSassNull(sass, value);
    }
    else {
        return false;
    }
}
exports.isSassValue = isSassValue;
function inspect(sass, value) {
    if (isSassNumber(sass, value)) {
        return `${value.getValue()}${value.getUnit()}`;
    }
    else if (isSassString(sass, value)) {
        return value.getValue();
    }
    else if (isSassColor(sass, value)) {
        return `rgba(${value.getR()}, ${value.getG()}, ${value.getB()}, ${value.getA()})`;
    }
    else if (isSassBoolean(sass, value)) {
        if (value === sass.types.Boolean.TRUE) {
            return `true`;
        }
        else {
            return `false`;
        }
    }
    else if (isSassList(sass, value)) {
        let s = "(";
        for (let i = 0; i < value.getLength(); i++) {
            if (i > 0) {
                if (value.getSeparator()) {
                    s += ", ";
                }
                else {
                    s += " ";
                }
            }
            s += inspect(sass, value.getValue(i));
        }
        s += ")";
        return s;
    }
    else if (isSassMap(sass, value)) {
        let s = "(";
        for (let i = 0; i < value.getLength(); i++) {
            if (i > 0) {
                s += ", ";
            }
            s += value.getKey(i);
            s += ": ";
            s += inspect(sass, value.getValue(i));
        }
        s += ")";
        return s;
    }
    else if (isSassNull(sass, value)) {
        return "null";
    }
    else {
        return assertions_1.unreachable();
    }
}
exports.inspect = inspect;
function isSassNumber(sass, value) {
    return value instanceof sass.types.Number;
}
exports.isSassNumber = isSassNumber;
function isSassString(sass, value) {
    return value instanceof sass.types.String;
}
exports.isSassString = isSassString;
function isSassColor(sass, value) {
    return value instanceof sass.types.Color;
}
exports.isSassColor = isSassColor;
function isSassBoolean(sass, value) {
    return value instanceof sass.types.Boolean;
}
exports.isSassBoolean = isSassBoolean;
function isSassNull(sass, value) {
    return value === sass.types.Null.NULL;
}
exports.isSassNull = isSassNull;
function isSassList(sass, value) {
    return value instanceof sass.types.List;
}
exports.isSassList = isSassList;
function isSassMap(sass, value) {
    return value instanceof sass.types.Map;
}
exports.isSassMap = isSassMap;
function isSassMapOrEmptyList(sass, value) {
    return isSassMap(sass, value) || (isSassList(sass, value) && value.getLength() === 0);
}
exports.isSassMapOrEmptyList = isSassMapOrEmptyList;
function isSassError(sass, value) {
    return value instanceof sass.types.Error;
}
exports.isSassError = isSassError;
function isSassImplementation(impl) {
    return (impl && typeof impl === "object"
        && impl !== null
        && typeof impl.render === "function"
        && typeof impl.renderSync === "function"
        && typeof impl.types === "object"
        && typeof impl.info === "string");
}
exports.isSassImplementation = isSassImplementation;
const typeGuards = {
    null: isSassNull,
    string: isSassString,
    number: isSassNumber,
    map: isSassMapOrEmptyList,
    list: isSassList,
    color: isSassColor,
    boolean: isSassBoolean,
    error: isSassError,
};
function typeName(sass, value) {
    if (isSassNull(sass, value))
        return "null";
    if (isSassString(sass, value))
        return "string";
    if (isSassNumber(sass, value))
        return "number";
    if (isSassMap(sass, value))
        return "map";
    if (isSassList(sass, value))
        return "list";
    if (isSassColor(sass, value))
        return "color";
    if (isSassBoolean(sass, value))
        return "boolean";
    if (isSassError(sass, value))
        return "error";
    return assertions_1.unreachable(value);
}
function isType(sass, value, name) {
    let guard = typeGuards[name];
    if (guard(sass, value)) {
        return true;
    }
    else {
        return false;
    }
}
exports.isType = isType;
function typeError(sass, expected, actual) {
    return new sass.types.Error(`Expected ${expected}, got ${typeof actual === "string" ? actual : typeName(sass, actual)}${typeof actual === "string" ? "" : `: ${inspect(sass, actual)}`}`);
}
exports.typeError = typeError;
class SassTypeError extends Error {
    constructor(sass, expected, actual) {
        super(`Expected ${expected}, got ${typeof actual === "string" ? actual : typeName(sass, actual)}${typeof actual === "string" ? "" : `: ${inspect(sass, actual)}`}`);
    }
}
exports.SassTypeError = SassTypeError;
// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
function helpers(sass) {
    return {
        isSass: (value) => isSassImplementation(value),
        isNull: (value) => isSassNull(sass, value),
        isString: (value) => isSassString(sass, value),
        isNumber: (value) => isSassNumber(sass, value),
        isMap: (value) => isSassMap(sass, value),
        isList: (value) => isSassList(sass, value),
        isColor: (value) => isSassColor(sass, value),
        isBoolean: (value) => isSassBoolean(sass, value),
        isError: (value) => isSassError(sass, value),
        isValue: (value) => isSassValue(sass, value),
        isMapOrEmptyList: (value) => isSassMapOrEmptyList(sass, value),
        typeError: typeError.bind(null, sass),
        isType: isType.bind(null, sass),
        typeName: typeName.bind(null, sass),
        inspect: inspect.bind(null, sass),
        TypeError: class extends SassTypeError {
            constructor(expected, actual) {
                super(sass, expected, actual);
            }
        }
    };
}
exports.helpers = helpers;
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