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70 lines
2.4 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = createTemplateBuilder;
var _options = require("./options.js");
var _string = require("./string.js");
var _literal = require("./literal.js");
const NO_PLACEHOLDER = (0, _options.validate)({
placeholderPattern: false
});
function createTemplateBuilder(formatter, defaultOpts) {
const templateFnCache = new WeakMap();
const templateAstCache = new WeakMap();
const cachedOpts = defaultOpts || (0, _options.validate)(null);
return Object.assign((tpl, ...args) => {
if (typeof tpl === "string") {
if (args.length > 1) throw new Error("Unexpected extra params.");
return extendedTrace((0, _string.default)(formatter, tpl, (0, _options.merge)(cachedOpts, (0, _options.validate)(args[0]))));
} else if (Array.isArray(tpl)) {
let builder = templateFnCache.get(tpl);
if (!builder) {
builder = (0, _literal.default)(formatter, tpl, cachedOpts);
templateFnCache.set(tpl, builder);
}
return extendedTrace(builder(args));
} else if (typeof tpl === "object" && tpl) {
if (args.length > 0) throw new Error("Unexpected extra params.");
return createTemplateBuilder(formatter, (0, _options.merge)(cachedOpts, (0, _options.validate)(tpl)));
}
throw new Error(`Unexpected template param ${typeof tpl}`);
}, {
ast: (tpl, ...args) => {
if (typeof tpl === "string") {
if (args.length > 1) throw new Error("Unexpected extra params.");
return (0, _string.default)(formatter, tpl, (0, _options.merge)((0, _options.merge)(cachedOpts, (0, _options.validate)(args[0])), NO_PLACEHOLDER))();
} else if (Array.isArray(tpl)) {
let builder = templateAstCache.get(tpl);
if (!builder) {
builder = (0, _literal.default)(formatter, tpl, (0, _options.merge)(cachedOpts, NO_PLACEHOLDER));
templateAstCache.set(tpl, builder);
}
return builder(args)();
}
throw new Error(`Unexpected template param ${typeof tpl}`);
}
});
}
function extendedTrace(fn) {
let rootStack = "";
try {
throw new Error();
} catch (error) {
if (error.stack) {
rootStack = error.stack.split("\n").slice(3).join("\n");
}
}
return arg => {
try {
return fn(arg);
} catch (err) {
err.stack += `\n =============\n${rootStack}`;
throw err;
}
};
}
//# sourceMappingURL=builder.js.map