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