expression-language
Version:
Javascript implementation of symfony/expression-language
113 lines (112 loc) • 3.56 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _addcslashes = require("./lib/addcslashes");
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
class Compiler {
constructor(functions) {
_defineProperty(this, "getFunction", name => {
return this.functions[name];
});
/**
* Gets the current javascript code after compilation.
*
* @returns {string} The javascript code
*/
_defineProperty(this, "getSource", () => {
return this.source;
});
_defineProperty(this, "reset", () => {
this.source = '';
return this;
});
/**
* Compiles a node
*
* @param {Node} node
* @returns {Compiler}
*/
_defineProperty(this, "compile", node => {
node.compile(this);
return this;
});
_defineProperty(this, "subcompile", node => {
let current = this.source;
this.source = '';
node.compile(this);
let source = this.source;
this.source = current;
return source;
});
/**
* Adds a raw string to the compiled code.
*
* @param {string} str The string
* @returns {Compiler}
*/
_defineProperty(this, "raw", str => {
this.source += str;
return this;
});
/**
* Adds a quoted string to the compiled code.
* @param {string} value The string
* @returns {Compiler}
*/
_defineProperty(this, "string", value => {
this.source += '"' + (0, _addcslashes.addcslashes)(value, "\0\t\"\$\\") + '"';
return this;
});
/**
* Returns a javascript representation of a given value.
* @param {int|float|null|boolean|Object|Array|string} value The value to convert
* @returns {Compiler}
*/
_defineProperty(this, "repr", (value, isIdentifier = false) => {
// Integer or Float
if (isIdentifier) {
this.raw(value);
} else if (Number.isInteger(value) || +value === value && (!isFinite(value) || !!(value % 1))) {
this.raw(value);
} else if (null === value) {
this.raw('null');
} else if (typeof value === 'boolean') {
this.raw(value ? 'true' : 'false');
} else if (typeof value === 'object') {
this.raw('{');
let first = true;
for (let oneKey of Object.keys(value)) {
if (!first) {
this.raw(', ');
}
first = false;
this.repr(oneKey);
this.raw(':');
this.repr(value[oneKey]);
}
this.raw('}');
} else if (Array.isArray(value)) {
this.raw('[');
let first = true;
for (let oneValue of value) {
if (!first) {
this.raw(', ');
}
first = false;
this.repr(oneValue);
}
this.raw(']');
} else {
this.string(value);
}
return this;
});
this.source = '';
this.functions = functions;
}
}
exports.default = Compiler;