@angular/compiler/esm2015/src/render3/util.js

Angular - the compiler library

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { StaticSymbol } from '../aot/static_symbol';
import * as o from '../output/output_ast';
/**
 * Convert an object map with `Expression` values into a `LiteralMapExpr`.
 */
export function mapToMapExpression(map) {
    const result = Object.keys(map).map(key => ({
        key,
        // The assertion here is because really TypeScript doesn't allow us to express that if the
        // key is present, it will have a value, but this is true in reality.
        value: map[key],
        quoted: false,
    }));
    return o.literalMap(result);
}
/**
 * Convert metadata into an `Expression` in the given `OutputContext`.
 *
 * This operation will handle arrays, references to symbols, or literal `null` or `undefined`.
 */
export function convertMetaToOutput(meta, ctx) {
    if (Array.isArray(meta)) {
        return o.literalArr(meta.map(entry => convertMetaToOutput(entry, ctx)));
    }
    if (meta instanceof StaticSymbol) {
        return ctx.importExpr(meta);
    }
    if (meta == null) {
        return o.literal(meta);
    }
    throw new Error(`Internal error: Unsupported or unknown metadata: ${meta}`);
}
export function typeWithParameters(type, numParams) {
    if (numParams === 0) {
        return o.expressionType(type);
    }
    const params = [];
    for (let i = 0; i < numParams; i++) {
        params.push(o.DYNAMIC_TYPE);
    }
    return o.expressionType(type, undefined, params);
}
const ANIMATE_SYMBOL_PREFIX = '@';
export function prepareSyntheticPropertyName(name) {
    return `${ANIMATE_SYMBOL_PREFIX}${name}`;
}
export function prepareSyntheticListenerName(name, phase) {
    return `${ANIMATE_SYMBOL_PREFIX}${name}.${phase}`;
}
export function isSyntheticPropertyOrListener(name) {
    return name.charAt(0) == ANIMATE_SYMBOL_PREFIX;
}
export function getSyntheticPropertyName(name) {
    // this will strip out listener phase values...
    // @foo.start => @foo
    const i = name.indexOf('.');
    name = i > 0 ? name.substring(0, i) : name;
    if (name.charAt(0) !== ANIMATE_SYMBOL_PREFIX) {
        name = ANIMATE_SYMBOL_PREFIX + name;
    }
    return name;
}
export function prepareSyntheticListenerFunctionName(name, phase) {
    return `animation_${name}_${phase}`;
}
export function jitOnlyGuardedExpression(expr) {
    const ngJitMode = new o.ExternalExpr({ name: 'ngJitMode', moduleName: null });
    const jitFlagNotDefined = new o.BinaryOperatorExpr(o.BinaryOperator.Identical, new o.TypeofExpr(ngJitMode), o.literal('undefined'));
    const jitFlagUndefinedOrTrue = new o.BinaryOperatorExpr(o.BinaryOperator.Or, jitFlagNotDefined, ngJitMode, /* type */ undefined, 
    /* sourceSpan */ undefined, true);
    return new o.BinaryOperatorExpr(o.BinaryOperator.And, jitFlagUndefinedOrTrue, expr);
}
export function wrapReference(value) {
    const wrapped = new o.WrappedNodeExpr(value);
    return { value: wrapped, type: wrapped };
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"util.js","sourceRoot":"","sources":["../../../../../../../packages/compiler/src/render3/util.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,YAAY,EAAC,MAAM,sBAAsB,CAAC;AAClD,OAAO,KAAK,CAAC,MAAM,sBAAsB,CAAC;AAG1C;;GAEG;AACH,MAAM,UAAU,kBAAkB,CAAC,GAA4C;IAC7E,MAAM,MAAM,GAAG,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,GAAG,CAC/B,GAAG,CAAC,EAAE,CAAC,CAAC;QACN,GAAG;QACH,0FAA0F;QAC1F,qEAAqE;QACrE,KAAK,EAAE,GAAG,CAAC,GAAG,CAAE;QAChB,MAAM,EAAE,KAAK;KACd,CAAC,CAAC,CAAC;IACR,OAAO,CAAC,CAAC,UAAU,CAAC,MAAM,CAAC,CAAC;AAC9B,CAAC;AAED;;;;GAIG;AACH,MAAM,UAAU,mBAAmB,CAAC,IAAS,EAAE,GAAkB;IAC/D,IAAI,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;QACvB,OAAO,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE,CAAC,mBAAmB,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC,CAAC,CAAC;KACzE;IACD,IAAI,IAAI,YAAY,YAAY,EAAE;QAChC,OAAO,GAAG,CAAC,UAAU,CAAC,IAAI,CAAC,CAAC;KAC7B;IACD,IAAI,IAAI,IAAI,IAAI,EAAE;QAChB,OAAO,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;KACxB;IAED,MAAM,IAAI,KAAK,CAAC,oDAAoD,IAAI,EAAE,CAAC,CAAC;AAC9E,CAAC;AAED,MAAM,UAAU,kBAAkB,CAAC,IAAkB,EAAE,SAAiB;IACtE,IAAI,SAAS,KAAK,CAAC,EAAE;QACnB,OAAO,CAAC,CAAC,cAAc,CAAC,IAAI,CAAC,CAAC;KAC/B;IACD,MAAM,MAAM,GAAa,EAAE,CAAC;IAC5B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,SAAS,EAAE,CAAC,EAAE,EAAE;QAClC,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;KAC7B;IACD,OAAO,CAAC,CAAC,cAAc,CAAC,IAAI,EAAE,SAAS,EAAE,MAAM,CAAC,CAAC;AACnD,CAAC;AAOD,MAAM,qBAAqB,GAAG,GAAG,CAAC;AAClC,MAAM,UAAU,4BAA4B,CAAC,IAAY;IACvD,OAAO,GAAG,qBAAqB,GAAG,IAAI,EAAE,CAAC;AAC3C,CAAC;AAED,MAAM,UAAU,4BAA4B,CAAC,IAAY,EAAE,KAAa;IACtE,OAAO,GAAG,qBAAqB,GAAG,IAAI,IAAI,KAAK,EAAE,CAAC;AACpD,CAAC;AAED,MAAM,UAAU,6BAA6B,CAAC,IAAY;IACxD,OAAO,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,qBAAqB,CAAC;AACjD,CAAC;AAED,MAAM,UAAU,wBAAwB,CAAC,IAAY;IACnD,+CAA+C;IAC/C,qBAAqB;IACrB,MAAM,CAAC,GAAG,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;IAC5B,IAAI,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC;IAC3C,IAAI,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,qBAAqB,EAAE;QAC5C,IAAI,GAAG,qBAAqB,GAAG,IAAI,CAAC;KACrC;IACD,OAAO,IAAI,CAAC;AACd,CAAC;AAED,MAAM,UAAU,oCAAoC,CAAC,IAAY,EAAE,KAAa;IAC9E,OAAO,aAAa,IAAI,IAAI,KAAK,EAAE,CAAC;AACtC,CAAC;AAED,MAAM,UAAU,wBAAwB,CAAC,IAAkB;IACzD,MAAM,SAAS,GAAG,IAAI,CAAC,CAAC,YAAY,CAAC,EAAC,IAAI,EAAE,WAAW,EAAE,UAAU,EAAE,IAAI,EAAC,CAAC,CAAC;IAC5E,MAAM,iBAAiB,GAAG,IAAI,CAAC,CAAC,kBAAkB,CAC9C,CAAC,CAAC,cAAc,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,UAAU,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;IACrF,MAAM,sBAAsB,GAAG,IAAI,CAAC,CAAC,kBAAkB,CACnD,CAAC,CAAC,cAAc,CAAC,EAAE,EAAE,iBAAiB,EAAE,SAAS,EAAE,UAAU,CAAC,SAAS;IACvE,gBAAgB,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;IACtC,OAAO,IAAI,CAAC,CAAC,kBAAkB,CAAC,CAAC,CAAC,cAAc,CAAC,GAAG,EAAE,sBAAsB,EAAE,IAAI,CAAC,CAAC;AACtF,CAAC;AAED,MAAM,UAAU,aAAa,CAAC,KAAU;IACtC,MAAM,OAAO,GAAG,IAAI,CAAC,CAAC,eAAe,CAAC,KAAK,CAAC,CAAC;IAC7C,OAAO,EAAC,KAAK,EAAE,OAAO,EAAE,IAAI,EAAE,OAAO,EAAC,CAAC;AACzC,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {StaticSymbol} from '../aot/static_symbol';\nimport * as o from '../output/output_ast';\nimport {OutputContext} from '../util';\n\n/**\n * Convert an object map with `Expression` values into a `LiteralMapExpr`.\n */\nexport function mapToMapExpression(map: {[key: string]: o.Expression|undefined}): o.LiteralMapExpr {\n  const result = Object.keys(map).map(\n      key => ({\n        key,\n        // The assertion here is because really TypeScript doesn't allow us to express that if the\n        // key is present, it will have a value, but this is true in reality.\n        value: map[key]!,\n        quoted: false,\n      }));\n  return o.literalMap(result);\n}\n\n/**\n * Convert metadata into an `Expression` in the given `OutputContext`.\n *\n * This operation will handle arrays, references to symbols, or literal `null` or `undefined`.\n */\nexport function convertMetaToOutput(meta: any, ctx: OutputContext): o.Expression {\n  if (Array.isArray(meta)) {\n    return o.literalArr(meta.map(entry => convertMetaToOutput(entry, ctx)));\n  }\n  if (meta instanceof StaticSymbol) {\n    return ctx.importExpr(meta);\n  }\n  if (meta == null) {\n    return o.literal(meta);\n  }\n\n  throw new Error(`Internal error: Unsupported or unknown metadata: ${meta}`);\n}\n\nexport function typeWithParameters(type: o.Expression, numParams: number): o.ExpressionType {\n  if (numParams === 0) {\n    return o.expressionType(type);\n  }\n  const params: o.Type[] = [];\n  for (let i = 0; i < numParams; i++) {\n    params.push(o.DYNAMIC_TYPE);\n  }\n  return o.expressionType(type, undefined, params);\n}\n\nexport interface R3Reference {\n  value: o.Expression;\n  type: o.Expression;\n}\n\nconst ANIMATE_SYMBOL_PREFIX = '@';\nexport function prepareSyntheticPropertyName(name: string) {\n  return `${ANIMATE_SYMBOL_PREFIX}${name}`;\n}\n\nexport function prepareSyntheticListenerName(name: string, phase: string) {\n  return `${ANIMATE_SYMBOL_PREFIX}${name}.${phase}`;\n}\n\nexport function isSyntheticPropertyOrListener(name: string) {\n  return name.charAt(0) == ANIMATE_SYMBOL_PREFIX;\n}\n\nexport function getSyntheticPropertyName(name: string) {\n  // this will strip out listener phase values...\n  // @foo.start => @foo\n  const i = name.indexOf('.');\n  name = i > 0 ? name.substring(0, i) : name;\n  if (name.charAt(0) !== ANIMATE_SYMBOL_PREFIX) {\n    name = ANIMATE_SYMBOL_PREFIX + name;\n  }\n  return name;\n}\n\nexport function prepareSyntheticListenerFunctionName(name: string, phase: string) {\n  return `animation_${name}_${phase}`;\n}\n\nexport function jitOnlyGuardedExpression(expr: o.Expression): o.Expression {\n  const ngJitMode = new o.ExternalExpr({name: 'ngJitMode', moduleName: null});\n  const jitFlagNotDefined = new o.BinaryOperatorExpr(\n      o.BinaryOperator.Identical, new o.TypeofExpr(ngJitMode), o.literal('undefined'));\n  const jitFlagUndefinedOrTrue = new o.BinaryOperatorExpr(\n      o.BinaryOperator.Or, jitFlagNotDefined, ngJitMode, /* type */ undefined,\n      /* sourceSpan */ undefined, true);\n  return new o.BinaryOperatorExpr(o.BinaryOperator.And, jitFlagUndefinedOrTrue, expr);\n}\n\nexport function wrapReference(value: any): R3Reference {\n  const wrapped = new o.WrappedNodeExpr(value);\n  return {value: wrapped, type: wrapped};\n}\n"]}